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The System performance object consists of counters that apply to more than one instance of a component processors on the computer.
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The Memory performance object consists of counters that describe the behavior of physical and virtual memory on the computer. Physical memory is the amount of random access memory on the computer. Virtual memory consists of the space in physical memory and on disk. Many of the memory counters monitor paging, which is the movement of pages of code and data between disk and physical memory. Excessive paging, a symptom of a memory shortage, can cause delays which interfere with all system processes.
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% Processor Time is the percentage of elapsed time that the processor spends to execute a non-Idle thread. It is calculated by measuring the duration of the idle thread is active in the sample interval, and subtracting that time from interval duration. (Each processor has an idle thread that consumes cycles when no other threads are ready to run). This counter is the primary indicator of processor activity, and displays the average percentage of busy time observed during the sample interval. It is calculated by monitoring the time that the service is inactive, and subtracting that value from 100%.
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% Total DPC Time is the average percentage of time that all processors spend receiving and servicing deferred procedure calls (DPCs). (DPCs are interrupts that run at a lower priority than the standard interrupts). It is the sum of Processor: % DPC Time for all processors on the computer, divided by the number of processors. System: % Total DPC Time is a component of System: % Total Privileged Time because DPCs are executed in privileged mode. DPCs are counted separately and are not a component of the interrupt count. This counter displays the average busy time as a percentage of the sample time.
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File Read Operations/sec is the combined rate of file system read requests to all devices on the computer, including requests to read from the file system cache. It is measured in numbers of reads. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
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File Write Operations/sec is the combined rate of the file system write requests to all devices on the computer, including requests to write to data in the file system cache. It is measured in numbers of writes. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
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File Control Operations/sec is the combined rate of file system operations that are neither reads nor writes, such as file system control requests and requests for information about device characteristics or status. This is the inverse of System: File Data Operations/sec and is measured in number of operations perf second. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
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File Read Bytes/sec is the overall rate at which bytes are read to satisfy file system read requests to all devices on the computer, including reads from the file system cache. It is measured in number of bytes per second. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
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File Write Bytes/sec is the overall rate at which bytes are written to satisfy file system write requests to all devices on the computer, including writes to the file system cache. It is measured in number of bytes per second. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
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File Control Bytes/sec is the overall rate at which bytes are transferred for all file system operations that are neither reads nor writes, including file system control requests and requests for information about device characteristics or status. It is measured in numbers of bytes. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
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% Total Interrupt Time is the average percentage of time that all processors spend receiving and servicing hardware interrupts during sample intervals, where the value is an indirect indicator of the activity of devices that generate interrupts. It is the sum of Processor: % Interrupt Time for of all processors on the computer, divided by the number of processors. DPCs are counted separately and are not a component of the interrupt count. This value is an indirect indicator of the activity of devices that generate interrupts, such as the system timer, the mouse, disk drivers, data communication lines, network interface cards and other peripheral devices.
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Available Bytes is the amount of physical memory, in bytes, immediately available for allocation to a process or for system use. It is equal to the sum of memory assigned to the standby (cached), free and zero page lists. For a full explanation of the memory manager, refer to MSDN and/or the System Performance and Troubleshooting Guide chapter in the Windows Server 2003 Resource Kit.
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Committed Bytes is the amount of committed virtual memory, in bytes. Committed memory is the physical memory which has space reserved on the disk paging file(s). There can be one or more paging files on each physical drive. This counter displays the last observed value only; it is not an average.
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Page Faults/sec is the average number of pages faulted per second. It is measured in number of pages faulted per second because only one page is faulted in each fault operation, hence this is also equal to the number of page fault operations. This counter includes both hard faults (those that require disk access) and soft faults (where the faulted page is found elsewhere in physical memory.) Most processors can handle large numbers of soft faults without significant consequence. However, hard faults, which require disk access, can cause significant delays.
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Commit Limit is the amount of virtual memory that can be committed without having to extend the paging file(s). It is measured in bytes. Committed memory is the physical memory which has space reserved on the disk paging files. There can be one paging file on each logical drive). If the paging file(s) are be expanded, this limit increases accordingly. This counter displays the last observed value only; it is not an average.
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Write Copies/sec is the rate at which page faults are caused by attempts to write that have been satisfied by coping of the page from elsewhere in physical memory. This is an economical way of sharing data since pages are only copied when they are written to; otherwise, the page is shared. This counter shows the number of copies, without regard for the number of pages copied in each operation.
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Transition Faults/sec is the rate at which page faults are resolved by recovering pages that were being used by another process sharing the page, or were on the modified page list or the standby list, or were being written to disk at the time of the page fault. The pages were recovered without additional disk activity. Transition faults are counted in numbers of faults; because only one page is faulted in each operation, it is also equal to the number of pages faulted.
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Cache Faults/sec is the rate at which faults occur when a page sought in the file system cache is not found and must be retrieved from elsewhere in memory (a soft fault) or from disk (a hard fault). The file system cache is an area of physical memory that stores recently used pages of data for applications. Cache activity is a reliable indicator of most application I/O operations. This counter shows the number of faults, without regard for the number of pages faulted in each operation.
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Demand Zero Faults/sec is the rate at which a zeroed page is required to satisfy the fault. Zeroed pages, pages emptied of previously stored data and filled with zeros, are a security feature of Windows that prevent processes from seeing data stored by earlier processes that used the memory space. Windows maintains a list of zeroed pages to accelerate this process. This counter shows the number of faults, without regard to the number of pages retrieved to satisfy the fault. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
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Pages/sec is the rate at which pages are read from or written to disk to resolve hard page faults. This counter is a primary indicator of the kinds of faults that cause system-wide delays. It is the sum of Memory\\Pages Input/sec and Memory\\Pages Output/sec. It is counted in numbers of pages, so it can be compared to other counts of pages, such as Memory\\Page Faults/sec, without conversion. It includes pages retrieved to satisfy faults in the file system cache (usually requested by applications) non-cached mapped memory files.
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Page Reads/sec is the rate at which the disk was read to resolve hard page faults. It shows the number of reads operations, without regard to the number of pages retrieved in each operation. Hard page faults occur when a process references a page in virtual memory that is not in working set or elsewhere in physical memory, and must be retrieved from disk. This counter is a primary indicator of the kinds of faults that cause system-wide delays. It includes read operations to satisfy faults in the file system cache (usually requested by applications) and in non-cached mapped memory files. Compare the value of Memory\\Pages Reads/sec to the value of Memory\\Pages Input/sec to determine the average number of pages read during each operation.
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Processor Queue Length is the number of threads in the processor queue. Unlike the disk counters, this counter counters, this counter shows ready threads only, not threads that are running. There is a single queue for processor time even on computers with multiple processors. Therefore, if a computer has multiple processors, you need to divide this value by the number of processors servicing the workload. A sustained processor queue of less than 10 threads per processor is normally acceptable, dependent of the workload.
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Thread State is the current state of the thread. It is 0 for Initialized, 1 for Ready, 2 for Running, 3 for Standby, 4 for Terminated, 5 for Wait, 6 for Transition, 7 for Unknown. A Running thread is using a processor; a Standby thread is about to use one. A Ready thread wants to use a processor, but is waiting for a processor because none are free. A thread in Transition is waiting for a resource in order to execute, such as waiting for its execution stack to be paged in from disk. A Waiting thread has no use for the processor because it is waiting for a peripheral operation to complete or a resource to become free.
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Pages Output/sec is the rate at which pages are written to disk to free up space in physical memory. Pages are written back to disk only if they are changed in physical memory, so they are likely to hold data, not code. A high rate of pages output might indicate a memory shortage. Windows writes more pages back to disk to free up space when physical memory is in short supply. This counter shows the number of pages, and can be compared to other counts of pages, without conversion.
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Page Writes/sec is the rate at which pages are written to disk to free up space in physical memory. Pages are written to disk only if they are changed while in physical memory, so they are likely to hold data, not code. This counter shows write operations, without regard to the number of pages written in each operation. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
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The Browser performance object consists of counters that measure the rates of announcements, enumerations, and other Browser transmissions.
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Announcements Server/sec is the rate at which the servers in this domain have announced themselves to this server.
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Pool Paged Bytes is the size, in bytes, of the paged pool, an area of system memory (physical memory used by the operating system) for objects that can be written to disk when they are not being used. Memory\\Pool Paged Bytes is calculated differently than Process\\Pool Paged Bytes, so it might not equal Process\\Pool Paged Bytes\\_Total. This counter displays the last observed value only; it is not an average.
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Pool Nonpaged Bytes is the size, in bytes, of the nonpaged pool, an area of system memory (physical memory used by the operating system) for objects that cannot be written to disk, but must remain in physical memory as long as they are allocated. Memory\\Pool Nonpaged Bytes is calculated differently than Process\\Pool Nonpaged Bytes, so it might not equal Process\\Pool Nonpaged Bytes\\_Total. This counter displays the last observed value only; it is not an average.
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Pool Paged Allocs is the number of calls to allocate space in the paged pool. The paged pool is an area of system memory (physical memory used by the operating system) for objects that can be written to disk when they are not being used. It is measured in numbers of calls to allocate space, regardless of the amount of space allocated in each call. This counter displays the last observed value only; it is not an average.
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Pool Paged Resident Bytes is the current size, in bytes, of the paged pool. The paged pool is an area of system memory (physical memory used by the operating system) for objects that can be written to disk when they are not being used. Space used by the paged and nonpaged pools are taken from physical memory, so a pool that is too large denies memory space to processes. This counter displays the last observed value only; it is not an average.
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Pool Nonpaged Allocs is the number of calls to allocate space in the nonpaged pool. The nonpaged pool is an area of system memory area for objects that cannot be written to disk, and must remain in physical memory as long as they are allocated. It is measured in numbers of calls to allocate space, regardless of the amount of space allocated in each call. This counter displays the last observed value only; it is not an average.
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Bytes Total/sec is the total rate of bytes sent to or received from the network by the protocol, but only for the frames (packets) which carry data. This is the sum of Frame Bytes/sec and Datagram Bytes/sec.
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System Code Total Bytes is the size, in bytes, of the pageable operating system code currently in virtual memory. It is a measure of the amount of physical memory being used by the operating system that can be written to disk when not in use. This value is calculated by summing the bytes in Ntoskrnl.exe, Hal.dll, the boot drivers, and file systems loaded by Ntldr/osloader. This counter does not include code that must remain in physical memory and cannot be written to disk. This counter displays the last observed value only; it is not an average.
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System Code Resident Bytes is the size, in bytes of the operating system code currently in physical memory that can be written to disk when not in use. This value is a component of Memory\\System Code Total Bytes, which also includes operating system code on disk. Memory\\System Code Resident Bytes (and Memory\\System Code Total Bytes) does not include code that must remain in physical memory and cannot be written to disk. This counter displays the last observed value only; it is not an average.
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System Driver Total Bytes is the size, in bytes, of the pageable virtual memory currently being used by device drivers. Pageable memory can be written to disk when it is not being used. It includes physical memory (Memory\\System Driver Resident Bytes) and code and data paged to disk. It is a component of Memory\\System Code Total Bytes. This counter displays the last observed value only; it is not an average.
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System Driver Resident Bytes is the size, in bytes, of the pageable physical memory being used by device drivers. It is the working set (physical memory area) of the drivers. This value is a component of Memory\\System Driver Total Bytes, which also includes driver memory that has been written to disk. Neither Memory\\System Driver Resident Bytes nor Memory\\System Driver Total Bytes includes memory that cannot be written to disk.
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System Cache Resident Bytes is the size, in bytes, of the pageable operating system code in the file system cache. This value includes only current physical pages and does not include any virtual memory pages not currently resident. It does equal the System Cache value shown in Task Manager. As a result, this value may be smaller than the actual amount of virtual memory in use by the file system cache. This value is a component of Memory\\System Code Resident Bytes which represents all pageable operating system code that is currently in physical memory. This counter displays the last observed value only; it is not an average.
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Announcements Domain/sec is the rate at which a domain has announced itself to the network.
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Election Packets/sec is the rate at which browser election packets have been received by this workstation.
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Mailslot Writes/sec is the rate at which mailslot messages have been successfully received.
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Server List Requests/sec is the rate at which requests to retrieve a list of browser servers have been processed by this workstation.
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The Cache performance object consists of counters that monitor the file system cache, an area of physical memory that stores recently used data as long as possible to permit access to the data without having to read from the disk. Because applications typically use the cache, the cache is monitored as an indicator of application I/O operations. When memory is plentiful, the cache can grow, but when memory is scarce, the cache can become too small to be effective.
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Data Maps/sec is the frequency that a file system such as NTFS, maps a page of a file into the file system cache to read the page.
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Sync Data Maps/sec counts the frequency that a file system, such as NTFS, maps a page of a file into the file system cache to read the page, and wishes to wait for the page to be retrieved if it is not in main memory.
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Async Data Maps/sec is the frequency that an application using a file system, such as NTFS, to map a page of a file into the file system cache to read the page, and does not wait for the page to be retrieved if it is not in main memory.
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Data Map Hits is the percentage of data maps in the file system cache that could be resolved without having to retrieve a page from the disk, because the page was already in physical memory.
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Data Map Pins/sec is the frequency of data maps in the file system cache that resulted in pinning a page in main memory, an action usually preparatory to writing to the file on disk. While pinned, a page’s physical address in main memory and virtual address in the file system cache will not be altered.
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Pin Reads/sec is the frequency of reading data into the file system cache preparatory to writing the data back to disk. Pages read in this fashion are pinned in memory at the completion of the read. While pinned, a page’s physical address in the file system cache will not be altered.
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Sync Pin Reads/sec is the frequency of reading data into the file system cache preparatory to writing the data back to disk. Pages read in this fashion are pinned in memory at the completion of the read. The file system will not regain control until the page is pinned in the file system cache, in particular if the disk must be accessed to retrieve the page. While pinned, a page’s physical address in the file system cache will not be altered.
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Async Pin Reads/sec is the frequency of reading data into the file system cache preparatory to writing the data back to disk. Pages read in this fashion are pinned in memory at the completion of the read. The file system will regain control immediately even if the disk must be accessed to retrieve the page. While pinned, a page’s physical address will not be altered.
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Pin Read Hits is the percentage of pin read requests that hit the file system cache, i.e., did not require a disk read in order to provide access to the page in the file system cache. While pinned, a page’s physical address in the file system cache will not be altered. The LAN Redirector uses this method for retrieving data from the cache, as does the LAN Server for small transfers. This is usually the method used by the disk file systems as well.
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Copy Reads/sec is the frequency of reads from pages of the file system cache that involve a memory copy of the data from the cache to the application’s buffer. The LAN Redirector uses this method for retrieving information from the file system cache, as does the LAN Server for small transfers. This is a method used by the disk file systems as well.
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Sync Copy Reads/sec is the frequency of reads from pages of the file system cache that involve a memory copy of the data from the cache to the application’s buffer. The file system will not regain control until the copy operation is complete, even if the disk must be accessed to retrieve the page.
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Async Copy Reads/sec is the frequency of reads from pages of the file system cache that involve a memory copy of the data from the cache to the application’s buffer. The application will regain control immediately even if the disk must be accessed to retrieve the page.
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Copy Read Hits is the percentage of cache copy read requests that hit the cache, that is, they did not require a disk read in order to provide access to the page in the cache. A copy read is a file read operation that is satisfied by a memory copy from a page in the cache to the application’s buffer. The LAN Redirector uses this method for retrieving information from the cache, as does the LAN Server for small transfers. This is a method used by the disk file systems as well.
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MDL Reads/sec is the frequency of reads from the file system cache that use a Memory Descriptor List (MDL) to access the data. The MDL contains the physical address of each page involved in the transfer, and thus can employ a hardware Direct Memory Access (DMA) device to effect the copy. The LAN Server uses this method for large transfers out of the server.
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Sync MDL Reads/sec is the frequency of reads from the file system cache that use a Memory Descriptor List (MDL) to access the pages. The MDL contains the physical address of each page in the transfer, thus permitting Direct Memory Access (DMA) of the pages. If the accessed page(s) are not in main memory, the caller will wait for the pages to fault in from the disk.
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Async MDL Reads/sec is the frequency of reads from the file system cache that use a Memory Descriptor List (MDL) to access the pages. The MDL contains the physical address of each page in the transfer, thus permitting Direct Memory Access (DMA) of the pages. If the accessed page(s) are not in main memory, the calling application program will not wait for the pages to fault in from disk.
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MDL Read Hits is the percentage of Memory Descriptor List (MDL) Read requests to the file system cache that hit the cache, i.e., did not require disk accesses in order to provide memory access to the page(s) in the cache.
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Read Aheads/sec is the frequency of reads from the file system cache in which the Cache detects sequential access to a file. The read aheads permit the data to be transferred in larger blocks than those being requested by the application, reducing the overhead per access.
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Fast Reads/sec is the frequency of reads from the file system cache that bypass the installed file system and retrieve the data directly from the cache. Normally, file I/O requests invoke the appropriate file system to retrieve data from a file, but this path permits direct retrieval of data from the cache without file system involvement if the data is in the cache. Even if the data is not in the cache, one invocation of the file system is avoided.
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Sync Fast Reads/sec is the frequency of reads from the file system cache that bypass the installed file system and retrieve the data directly from the cache. Normally, file I/O requests invoke the appropriate file system to retrieve data from a file, but this path permits direct retrieval of data from the cache without file system involvement if the data is in the cache. Even if the data is not in the cache, one invocation of the file system is avoided. If the data is not in the cache, the request (application program call) will wait until the data has been retrieved from disk.
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Async Fast Reads/sec is the frequency of reads from the file system cache that bypass the installed file system and retrieve the data directly from the cache. Normally, file I/O requests will invoke the appropriate file system to retrieve data from a file, but this path permits data to be retrieved from the cache directly (without file system involvement) if the data is in the cache. Even if the data is not in the cache, one invocation of the file system is avoided. If the data is not in the cache, the request (application program call) will not wait until the data has been retrieved from disk, but will get control immediately.
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Fast Read Resource Misses/sec is the frequency of cache misses necessitated by the lack of available resources to satisfy the request.
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Fast Read Not Possibles/sec is the frequency of attempts by an Application Program Interface (API) function call to bypass the file system to get to data in the file system cache that could not be honored without invoking the file system.
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Lazy Write Flushes/sec is the rate at which the Lazy Writer thread has written to disk. Lazy Writing is the process of updating the disk after the page has been changed in memory, so that the application that changed the file does not have to wait for the disk write to be complete before proceeding. More than one page can be transferred by each write operation.
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Lazy Write Pages/sec is the rate at which the Lazy Writer thread has written to disk. Lazy Writing is the process of updating the disk after the page has been changed in memory, so that the application that changed the file does not have to wait for the disk write to be complete before proceeding. More than one page can be transferred on a single disk write operation.
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Data Flushes/sec is the rate at which the file system cache has flushed its contents to disk as the result of a request to flush or to satisfy a write-through file write request. More than one page can be transferred on each flush operation.
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Data Flush Pages/sec is the number of pages the file system cache has flushed to disk as a result of a request to flush or to satisfy a write-through file write request. More than one page can be transferred on each flush operation.
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% User Time is the percentage of elapsed time the processor spends in the user mode. User mode is a restricted processing mode designed for applications, environment subsystems, and integral subsystems. The alternative, privileged mode, is designed for operating system components and allows direct access to hardware and all memory. The operating system switches application threads to privileged mode to access operating system services. This counter displays the average busy time as a percentage of the sample time.
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% Privileged Time is the percentage of elapsed time that the process threads spent executing code in privileged mode. When a Windows system service in called, the service will often run in privileged mode to gain access to system-private data. Such data is protected from access by threads executing in user mode. Calls to the system can be explicit or implicit, such as page faults or interrupts. Unlike some early operating systems, Windows uses process boundaries for subsystem protection in addition to the traditional protection of user and privileged modes. Some work done by Windows on behalf of the application might appear in other subsystem processes in addition to the privileged time in the process.
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Context Switches/sec is the combined rate at which all processors on the computer are switched from one thread to another. Context switches occur when a running thread voluntarily relinquishes the processor, is preempted by a higher priority ready thread, or switches between user-mode and privileged (kernel) mode to use an Executive or subsystem service. It is the sum of Thread\\Context Switches/sec for all threads running on all processors in the computer and is measured in numbers of switches. There are context switch counters on the System and Thread objects. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
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Interrupts/sec is the average rate, in incidents per second, at which the processor received and serviced hardware interrupts. It does not include deferred procedure calls (DPCs), which are counted separately. This value is an indirect indicator of the activity of devices that generate interrupts, such as the system clock, the mouse, disk drivers, data communication lines, network interface cards, and other peripheral devices. These devices normally interrupt the processor when they have completed a task or require attention. Normal thread execution is suspended. The system clock typically interrupts the processor every 10 milliseconds, creating a background of interrupt activity. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
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System Calls/sec is the combined rate of calls to operating system service routines by all processes running on the computer. These routines perform all of the basic scheduling and synchronization of activities on the computer, and provide access to non-graphic devices, memory management, and name space management. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
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Level 1 TLB Fills/sec is the frequency of faults that occur when reference is made to memory whose Page Table Entry (PTE) is not in the Translation Lookaside Buffer (TLB). On some computers this fault is handled by software loading the PTE into the TLB, and this counter is incremented.
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Level 2 TLB Fills/sec is the frequency of faults that occur when reference is made to memory whose Page Table Entry (PTE) is not in the Translation Lookaside Buffer (TLB), nor is the page containing the PTE. On some computers this fault is handled by software loading the PTE into the TLB, and this counter is incremented.
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% User Time is the percentage of elapsed time that the process threads spent executing code in user mode. Applications, environment subsystems, and integral subsystems execute in user mode. Code executing in user mode cannot damage the integrity of the Windows executive, kernel, and device drivers. Unlike some early operating systems, Windows uses process boundaries for subsystem protection in addition to the traditional protection of user and privileged modes. Some work done by Windows on behalf of the application might appear in other subsystem processes in addition to the privileged time in the process.
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% Privileged Time is the percentage of elapsed time that the process threads spent executing code in privileged mode. When a Windows system service is called, the service will often run in privileged mode to gain access to system-private data. Such data is protected from access by threads executing in user mode. Calls to the system can be explicit or implicit, such as page faults or interrupts. Unlike some early operating systems, Windows uses process boundaries for subsystem protection in addition to the traditional protection of user and privileged modes. Some work done by Windows on behalf of the application might appear in other subsystem processes in addition to the privileged time in the process.
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Enumerations Server/sec is the rate at which server browse requests have been processed by this workstation.
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Enumerations Domain/sec is the rate at which domain browse requests have been processed by this workstation.
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Enumerations Other/sec is the rate at which browse requests processed by this workstation are not domain or server browse requests.
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Missed Server Announcements is the number of server announcements that have been missed due to configuration or allocation limits.
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Missed Mailslot Datagrams is the number of Mailslot Datagrams that have been discarded due to configuration or allocation limits.
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Missed Server List Requests is the number of requests to retrieve a list of browser servers that were received by this workstation, but could not be processed.
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Virtual Bytes Peak is the maximum size, in bytes, of virtual address space the process has used at any one time. Use of virtual address space does not necessarily imply corresponding use of either disk or main memory pages. However, virtual space is finite, and the process might limit its ability to load libraries.
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Virtual Bytes is the current size, in bytes, of the virtual address space the process is using. Use of virtual address space does not necessarily imply corresponding use of either disk or main memory pages. Virtual space is finite, and the process can limit its ability to load libraries.
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Page Faults/sec is the rate at which page faults by the threads executing in this process are occurring. A page fault occurs when a thread refers to a virtual memory page that is not in its working set in main memory. This may not cause the page to be fetched from disk if it is on the standby list and hence already in main memory, or if it is in use by another process with whom the page is shared.
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Working Set Peak is the maximum size, in bytes, of the Working Set of this process at any point in time. The Working Set is the set of memory pages touched recently by the threads in the process. If free memory in the computer is above a threshold, pages are left in the Working Set of a process even if they are not in use. When free memory falls below a threshold, pages are trimmed from Working Sets. If they are needed they will then be soft-faulted back into the Working Set before they leave main memory.
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Working Set is the current size, in bytes, of the Working Set of this process. The Working Set is the set of memory pages touched recently by the threads in the process. If free memory in the computer is above a threshold, pages are left in the Working Set of a process even if they are not in use. When free memory falls below a threshold, pages are trimmed from Working Sets. If they are needed they will then be soft-faulted back into the Working Set before leaving main memory.
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Page File Bytes Peak is the maximum amount of virtual memory, in bytes, that this process has reserved for use in the paging file(s). Paging files are used to store pages of memory used by the process that are not contained in other files. Paging files are shared by all processes, and the lack of space in paging files can prevent other processes from allocating memory. If there is no paging file, this counter reflects the maximum amount of virtual memory that the process has reserved for use in physical memory.
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Page File Bytes is the current amount of virtual memory, in bytes, that this process has reserved for use in the paging file(s). Paging files are used to store pages of memory used by the process that are not contained in other files. Paging files are shared by all processes, and the lack of space in paging files can prevent other processes from allocating memory. If there is no paging file, this counter reflects the current amount of virtual memory that the process has reserved for use in physical memory.
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Private Bytes is the current size, in bytes, of memory that this process has allocated that cannot be shared with other processes.
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% Processor Time is the percentage of elapsed time that all of process threads used the processor to execution instructions. An instruction is the basic unit of execution in a computer, a thread is the object that executes instructions, and a process is the object created when a program is run. Code executed to handle some hardware interrupts and trap conditions are included in this count.
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% Processor Time is the percentage of elapsed time that all of process threads used the processor to execution instructions. An instruction is the basic unit of execution in a computer, a thread is the object that executes instructions, and a process is the object created when a program is run. Code executed to handle some hardware interrupts and trap conditions are included in this count.
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% User Time is the percentage of elapsed time that this thread has spent executing code in user mode. Applications, environment subsystems, and integral subsystems execute in user mode. Code executing in user mode cannot damage the integrity of the Windows NT Executive, Kernel, and device drivers. Unlike some early operating systems, Windows NT uses process boundaries for subsystem protection in addition to the traditional protection of user and privileged modes. These subsystem processes provide additional protection. Therefore, some work done by Windows NT on behalf of your application might appear in other subsystem processes in addition to the privileged time in your process.
195
% Privileged Time is the percentage of elapsed time that the process threads spent executing code in privileged mode. When a Windows system service in called, the service will often run in privileged mode to gain access to system-private data. Such data is protected from access by threads executing in user mode. Calls to the system can be explicit or implicit, such as page faults or interrupts. Unlike some early operating systems, Windows uses process boundaries for subsystem protection in addition to the traditional protection of user and privileged modes. Some work done by Windows on behalf of the application might appear in other subsystem processes in addition to the privileged time in the process.
197
Context Switches/sec is the rate of switches from one thread to another. Thread switches can occur either inside of a single process or across processes. A thread switch can be caused either by one thread asking another for information, or by a thread being preempted by another, higher priority thread becoming ready to run. Unlike some early operating systems, Windows NT uses process boundaries for subsystem protection in addition to the traditional protection of user and privileged modes. These subsystem processes provide additional protection. Therefore, some work done by Windows NT on behalf of an application appear in other subsystem processes in addition to the privileged time in the application. Switching to the subsystem process causes one Context Switch in the application thread. Switching back causes another Context Switch in the subsystem thread.
199
Current Disk Queue Length is the number of requests outstanding on the disk at the time the performance data is collected. It also includes requests in service at the time of the collection. This is a instantaneous snapshot, not an average over the time interval. Multi-spindle disk devices can have multiple requests that are active at one time, but other concurrent requests are awaiting service. This counter might reflect a transitory high or low queue length, but if there is a sustained load on the disk drive, it is likely that this will be consistently high. Requests experience delays proportional to the length of this queue minus the number of spindles on the disks. For good performance, this difference should average less than two.
201
% Disk Time is the percentage of elapsed time that the selected disk drive was busy servicing read or write requests.
203
% Disk Read Time is the percentage of elapsed time that the selected disk drive was busy servicing read requests.
205
% Disk Write Time is the percentage of elapsed time that the selected disk drive was busy servicing write requests.
207
Avg. Disk sec/Transfer is the time, in seconds, of the average disk transfer.
209
Avg. Disk sec/Read is the average time, in seconds, of a read of data from the disk.
211
Avg. Disk sec/Write is the average time, in seconds, of a write of data to the disk.
213
Disk Transfers/sec is the rate of read and write operations on the disk.
215
Disk Reads/sec is the rate of read operations on the disk.
217
Disk Writes/sec is the rate of write operations on the disk.
219
Disk Bytes/sec is the rate bytes are transferred to or from the disk during write or read operations.
221
Disk Read Bytes/sec is the rate at which bytes are transferred from the disk during read operations.
223
Disk Write Bytes/sec is rate at which bytes are transferred to the disk during write operations.
225
Avg. Disk Bytes/Transfer is the average number of bytes transferred to or from the disk during write or read operations.
227
Avg. Disk Bytes/Read is the average number of bytes transferred from the disk during read operations.
229
Avg. Disk Bytes/Write is the average number of bytes transferred to the disk during write operations.
231
The Process performance object consists of counters that monitor running application program and system processes. All the threads in a process share the same address space and have access to the same data.
233
The Thread performance object consists of counters that measure aspects of thread behavior. A thread is the basic object that executes instructions on a processor. All running processes have at least one thread.
235
The Physical Disk performance object consists of counters that monitor hard or fixed disk drive on a computer. Disks are used to store file, program, and paging data and are read to retrieve these items, and written to record changes to them. The values of physical disk counters are sums of the values of the logical disks (or partitions) into which they are divided.
237
The Logical Disk performance object consists of counters that monitor logical partitions of a hard or fixed disk drives. Performance Monitor identifies logical disks by their a drive letter, such as C.
239
The Processor performance object consists of counters that measure aspects of processor activity The processor is the part of the computer that performs arithmetic and logical computations, initiates operations on peripherals, and runs the threads of processes. A computer can have multiple processors. The processor object represents each processor as an instance of the object.
241
% Total Processor Time is the average percentage of time that all processors on the computer are executing non-idle threads. This counter was designed as the primary indicator of processor activity on multiprocessor computers. It is equal to the sum of Process: % Processor Time for all processors, divided by the number of processors. It is calculated by summing the time that all processors spend executing the thread of the Idle process in each sample interval, subtracting that value from 100%, and dividing the difference by the number of processors on the computer. (Each processor has an Idle thread which consumes cycles when no other threads are ready to run). For example, on a multiprocessor computer, a value of 50% means that all processors are busy for half of the sample interval, or that half of the processors are busy for all of the sample interval. This counter displays the average percentage of busy time observed during the sample interval. It is calculated by monitoring the time the service was inactive, and then subtracting that value from 100%.
243
% Total User Time is the average percentage of non-idle time all processors spend in user mode. It is the sum of Processor: % User Time for all processors on the computer, divided by the number of processors. System: % Total User Time and System: % Total Privileged Time sum to % Total Processor Time, but not always to 100%. (User mode is a restricted processing mode designed for applications, environment subsystems, and integral subsystems. The alternative, privileged mode, is designed for operating system components and allows direct access to hardware and all memory. The operating system switches application threads to privileged mode to access operating system services). This counter displays the average busy time as a percentage of the sample time.
245
% Total Privileged Time is the average percentage of non-idle time all processors spend in privileged (kernel) mode. It is the sum of Processor: % Privileged Time for all processors on the computer, divided by the number of processors. System: % Total User Time and System: % Total Privileged Time sum to % Total Processor Time, but not always to 100%. (Privileged mode is an processing mode designed for operating system components which allows direct access to hardware and all memory. The operating system switches application threads to privileged mode to access operating system services. The alternative, user mode, is a restricted processing mode designed for applications and environment subsystems). This counter displays the average busy time as a percentage of the sample time.
247
Total Interrupts/sec is the combined rate of hardware interrupts received and serviced by all processors on the computer It is the sum of Processor: Interrupts/sec for all processors, and divided by the number of processors, and is measured in numbers of interrupts. It does not include DPCs, which are counted separately. This value is an indirect indicator of the activity of devices that generate interrupts, such as the system timer, the mouse, disk drivers, data communication lines, network interface cards and other peripheral devices. These devices normally interrupt the processor when they have completed a task or require attention. Normal thread execution is suspended during interrupts. Most system clocks interrupt the processor every 10 milliseconds, creating a background of interrupt activity. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
249
Processes is the number of processes in the computer at the time of data collection. This is an instantaneous count, not an average over the time interval. Each process represents the running of a program.
251
Threads is the number of threads in the computer at the time of data collection. This is an instantaneous count, not an average over the time interval. A thread is the basic executable entity that can execute instructions in a processor.
253
Events is the number of events in the computer at the time of data collection. This is an instantaneous count, not an average over the time interval. An event is used when two or more threads try to synchronize execution.
255
Semaphores is the number of semaphores in the computer at the time of data collection. This is an instantaneous count, not an average over the time interval. Threads use semaphores to obtain exclusive access to data structures that they share with other threads.
257
Mutexes counts the number of mutexes in the computer at the time of data collection. This is an instantaneous count, not an average over the time interval. Mutexes are used by threads to assure only one thread is executing a particular section of code.
259
Sections is the number of sections in the computer at the time of data collection. This is an instantaneous count, not an average over the time interval. A section is a portion of virtual memory created by a process for storing data. A process can share sections with other processes.
261
The Object performance object consists of counters that monitor logical objects in the system, such as processes, threads, mutexes, and semaphores. This information can be used to detect the unnecessary consumption of computer resources. Each object requires memory to store basic information about the object.
263
The Redirector performance object consists of counter that monitor network connections originating at the local computer.
265
Bytes Received/sec is the rate of bytes coming in to the Redirector from the network. It includes all application data as well as network protocol information (such as packet headers).
267
Packets Received/sec is the rate at which the Redirector is receiving packets (also called SMBs or Server Message Blocks). Network transmissions are divided into packets. The average number of bytes received in a packet can be obtained by dividing Bytes Received/sec by this counter. Some packets received might not contain incoming data (for example an acknowledgment to a write made by the Redirector would count as an incoming packet).
269
Read Bytes Paging/sec is the rate at which the Redirector is attempting to read bytes in response to page faults. Page faults are caused by loading of modules (such as programs and libraries), by a miss in the Cache (see Read Bytes Cache/sec), or by files directly mapped into the address space of applications (a high-performance feature of Windows NT).
271
Read Bytes Non-Paging/sec are those bytes read by the Redirector in response to normal file requests by an application when they are redirected to come from another computer. In addition to file requests, this counter includes other methods of reading across the network such as Named Pipes and Transactions. This counter does not count network protocol information, just application data.
273
Read Bytes Cache/sec is the rate at which applications are accessing the file system cache by using the Redirector. Some of these data requests are satisfied by retrieving the data from the cache. Requests that miss the Cache cause a page fault (see Read Bytes Paging/sec).
275
Read Bytes Network/sec is the rate at which applications are reading data across the network. This occurs when data sought in the file system cache is not found there and must be retrieved from the network. Dividing this value by Bytes Received/sec indicates the proportion of application data traveling across the network. (see Bytes Received/sec).
277
Bytes Transmitted/sec is the rate at which bytes are leaving the Redirector to the network. It includes all application data as well as network protocol information (such as packet headers and the like).
279
Packets Transmitted/sec is the rate at which the Redirector is sending packets (also called SMBs or Server Message Blocks). Network transmissions are divided into packets. The average number of bytes transmitted in a packet can be obtained by dividing Bytes Transmitted/sec by this counter.
281
Write Bytes Paging/sec is the rate at which the Redirector is attempting to write bytes changed in the pages being used by applications. The program data changed by modules (such as programs and libraries) that were loaded over the network are ‘paged out’ when no longer needed. Other output pages come from the file system cache (see Write Bytes Cache/sec).
283
Write Bytes Non-Paging/sec is the rate at which bytes are written by the Redirector in response to normal file outputs by an application when they are redirected to another computer. In addition to file requests, this count includes other methods of writing across the network, such as Named Pipes and Transactions. This counter does not count network protocol information, just application data.
285
Write Bytes Cache/sec is the rate at which applications on your computer are writing to the file system cache by using the Redirector. The data might not leave your computer immediately; it can be retained in the cache for further modification before being written to the network. This saves network traffic. Each write of a byte into the cache is counted here.
287
Write Bytes Network/sec is the rate at which applications are writing data across the network. This occurs when the file system cache is bypassed, such as for Named Pipes or Transactions, or when the cache writes the bytes to disk to make room for other data. Dividing this counter by Bytes Transmitted/sec will indicate the proportion of application data being to the network (see Transmitted Bytes/sec).
289
File Read Operations/sec is the rate at which applications are asking the Redirector for data. Each call to a file system or similar Application Program Interface (API) call counts as one operation.
291
Read Operations Random/sec counts the rate at which, on a file-by-file basis, reads are made that are not sequential. If a read is made using a particular file handle, and then is followed by another read that is not immediately the contiguous next byte, this counter is incremented by one.
293
Read Packets/sec is the rate at which read packets are being placed on the network. Each time a single packet is sent with a request to read data remotely, this counter is incremented by one.
295
Reads Large/sec is the rate at which reads over 2 times the server’s negotiated buffer size are made by applications. Too many of these could place a strain on server resources. This counter is incremented once for each read. It does not count packets.
297
Read Packets Small/sec is the rate at which reads less than one-fourth of the server’s negotiated buffer size are made by applications. Too many of these could indicate a waste of buffers on the server. This counter is incremented once for each read. It does not count packets.
299
File Write Operations/sec is the rate at which applications are sending data to the Redirector. Each call to a file system or similar Application Program Interface (API) call counts as one operation.
301
Write Operations Random/sec is the rate at which, on a file-by-file basis, writes are made that are not sequential. If a write is made using a particular file handle, and then is followed by another write that is not immediately the next contiguous byte, this counter is incremented by one.
303
Write Packets/sec is the rate at which writes are being sent to the network. Each time a single packet is sent with a request to write remote data, this counter is incremented by one.
305
Writes Large/sec is the rate at which writes are made by applications that are over 2 times the server’s negotiated buffer size. Too many of these could place a strain on server resources. This counter is incremented once for each write: it counts writes, not packets.
307
Write Packets Small/sec is the rate at which writes are made by applications that are less than one-fourth of the server’s negotiated buffer size. Too many of these could indicate a waste of buffers on the server. This counter is incremented once for each write: it counts writes, not packets.
309
Reads Denied/sec is the rate at which the server is unable to accommodate requests for Raw Reads. When a read is much larger than the server’s negotiated buffer size, the Redirector requests a Raw Read which, if granted, would permit the transfer of the data without lots of protocol overhead on each packet. To accomplish this the server must lock out other requests, so the request is denied if the server is really busy.
311
Writes Denied/sec is the rate at which the server is unable to accommodate requests for Raw Writes. When a write is much larger than the server’s negotiated buffer size, the Redirector requests a Raw Write which, if granted, would permit the transfer of the data without lots of protocol overhead on each packet. To accomplish this the server must lock out other requests, so the request is denied if the server is really busy.
313
Network Errors/sec is the rate at which serious unexpected errors are occurring. Such errors generally indicate that the Redirector and one or more Servers are having serious communication difficulties. For example an SMB (Server Manager Block) protocol error is a Network Error. An entry is written to the System Event Log and provide details.
315
Server Sessions counts the total number of security objects the Redirector has managed. For example, a logon to a server followed by a network access to the same server will establish one connection, but two sessions.
317
Server Reconnects counts the number of times your Redirector has had to reconnect to a server in order to complete a new active request. You can be disconnected by the Server if you remain inactive for too long. Locally even if all your remote files are closed, the Redirector will keep your connections intact for (nominally) ten minutes. Such inactive connections are called Dormant Connections. Reconnecting is expensive in time.
319
Connects Core counts the number of connections you have to servers running the original MS-Net SMB protocol, including MS-Net itself and Xenix and VAX’s.
321
Connects LAN Manager 2.0 counts connections to LAN Manager 2.0 servers, including LMX servers.
323
Connects LAN Manager 2.1 counts connections to LAN Manager 2.1 servers, including LMX servers.
325
Connects Windows NT counts the connections to Windows 2000 or earlier computers.
327
Server Disconnects counts the number of times a Server has disconnected your Redirector. See also Server Reconnects.
329
Server Sessions Hung counts the number of active sessions that are timed out and unable to proceed due to a lack of response from the remote server.
331
The Server performance object consists of counters that measure communication between the local computer and the network.
333
The number of bytes the server has received from the network. Indicates how busy the server is.
335
The number of bytes the server has sent on the network. Indicates how busy the server is.
337
Thread Wait Reason is only applicable when the thread is in the Wait state (see Thread State). It is 0 or 7 when the thread is waiting for the Executive, 1 or 8 for a Free Page, 2 or 9 for a Page In, 3 or 10 for a Pool Allocation, 4 or 11 for an Execution Delay, 5 or 12 for a Suspended condition, 6 or 13 for a User Request, 14 for an Event Pair High, 15 for an Event Pair Low, 16 for an LPC Receive, 17 for an LPC Reply, 18 for Virtual Memory, 19 for a Page Out; 20 and higher are not assigned at the time of this writing. Event Pairs are used to communicate with protected subsystems (see Context Switches).
339
% DPC Time is the percentage of time that the processor spent receiving and servicing deferred procedure calls (DPCs) during the sample interval. DPCs are interrupts that run at a lower priority than standard interrupts. % DPC Time is a component of % Privileged Time because DPCs are executed in privileged mode. They are counted separately and are not a component of the interrupt counters. This counter displays the average busy time as a percentage of the sample time.
341
The number of sessions that have been closed due to their idle time exceeding the AutoDisconnect parameter for the server. Shows whether the AutoDisconnect setting is helping to conserve resources.
343
The number of sessions that have been closed due to unexpected error conditions or sessions that have reached the autodisconnect timeout and have been disconnected normally.
345
The number of sessions that have terminated normally. Useful in interpreting the Sessions Times Out and Sessions Errored Out statistics–allows percentage calculations.
347
The number of sessions that have been forced to logoff. Can indicate how many sessions were forced to logoff due to logon time constraints.
349
The number of failed logon attempts to the server. Can indicate whether password guessing programs are being used to crack the security on the server.
351
The number of times opens on behalf of clients have failed with STATUS_ACCESS_DENIED. Can indicate whether somebody is randomly attempting to access files in hopes of getting at something that was not properly protected.
353
The number of times accesses to files opened successfully were denied. Can indicate attempts to access files without proper access authorization.
355
The number of times an internal Server Error was detected. Unexpected errors usually indicate a problem with the Server.
357
The number of times the server has rejected blocking SMBs due to insufficient count of free work items. Indicates whether the MaxWorkItem or MinFreeWorkItems server parameters might need to be adjusted.
359
The number of times STATUS_DATA_NOT_ACCEPTED was returned at receive indication time. This occurs when no work item is available or can be allocated to service the incoming request. Indicates whether the InitWorkItems or MaxWorkItems parameters might need to be adjusted.
361
The number of successful open attempts performed by the server of behalf of clients. Useful in determining the amount of file I/O, determining overhead for path-based operations, and for determining the effectiveness of open locks.
363
The number of files currently opened in the server. Indicates current server activity.
365
The number of sessions currently active in the server. Indicates current server activity.
367
The number of searches for files currently active in the server. Indicates current server activity.
369
The number of bytes of non-pageable computer memory the server is using. This value is useful for determining the values of the MaxNonpagedMemoryUsage value entry in the Windows NT Registry.
371
The number of times allocations from nonpaged pool have failed. Indicates that the computer’s physical memory is too small.
373
The maximum number of bytes of nonpaged pool the server has had in use at any one point. Indicates how much physical memory the computer should have.
375
The number of bytes of pageable computer memory the server is currently using. Can help in determining good values for the MaxPagedMemoryUsage parameter.
377
The number of times allocations from paged pool have failed. Indicates that the computer’s physical memory or paging file are too small.
379
The maximum number of bytes of paged pool the server has had allocated. Indicates the proper sizes of the Page File(s) and physical memory.
381
Server Announce Allocations Failed/sec is the rate at which server (or domain) announcements have failed due to lack of memory.
383
Mailslot Allocations Failed is the number of times the datagram receiver has failed to allocate a buffer to hold a user mailslot write.
385
Mailslot Receives Failed indicates the number of mailslot messages that could not be received due to transport failures.
387
Mailslot Writes Failed is the total number of mailslot messages that have been successfully received, but that could not be written to the mailslot.
389
Bytes Total/sec is the rate the Redirector is processing data bytes. This includes all application and file data in addition to protocol information such as packet headers.
391
File Data Operations/sec is the rate at which the Redirector is processing data operations. One operation should include many bytes, since each operation has overhead. The efficiency of this path can be determined by dividing the Bytes/sec by this counter to obtain the average number of bytes transferred per operation.
393
Current Commands counts the number of requests to the Redirector that are currently queued for service. If this number is much larger than the number of network adapter cards installed in the computer, then the network(s) and/or the server(s) being accessed are seriously bottlenecked.
395
The number of bytes the server has sent to and received from the network. This value provides an overall indication of how busy the server is.
397
% Interrupt Time is the time the processor spends receiving and servicing hardware interrupts during sample intervals. This value is an indirect indicator of the activity of devices that generate interrupts, such as the system clock, the mouse, disk drivers, data communication lines, network interface cards and other peripheral devices. These devices normally interrupt the processor when they have completed a task or require attention. Normal thread execution is suspended during interrupts. Most system clocks interrupt the processor every 10 milliseconds, creating a background of interrupt activity. suspends normal thread execution during interrupts. This counter displays the average busy time as a percentage of the sample time.
399
The NWLink NetBIOS performance object consists of counters that monitor IPX transport rates and connections.
401
Packets/sec is the rate the Redirector is processing data packets. One packet includes (hopefully) many bytes. We say hopefully here because each packet has protocol overhead. You can determine the efficiency of this path by dividing the Bytes/sec by this counter to determine the average number of bytes transferred/packet. You can also divide this counter by Operations/sec to determine the average number of packets per operation, another measure of efficiency.
405
Context Blocks Queued per second is the rate at which work context blocks had to be placed on the server’s FSP queue to await server action.
407
File Data Operations/ sec is the combined rate of read and write operations on all logical disks on the computer. This is the inverse of System: File Control Operations/sec. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
409
% Free Space is the percentage of total usable space on the selected logical disk drive that was free.
411
Free Megabytes displays the unallocated space, in megabytes, on the disk drive in megabytes. One megabyte is equal to 1,048,576 bytes.
413
Connections Open is the number of connections currently open for this protocol. This counter shows the current count only and does not accumulate over time.
415
Connections No Retries is the total count of connections that were successfully made on the first try. This number is an accumulator and shows a running total.
417
Connections With Retries is the total count of connections that were made after retrying the attempt. A retry occurs when the first connection attempt failed. This number is an accumulator and shows a running total.
419
Disconnects Local is the number of session disconnections that were initiated by the local computer. This number is an accumulator and shows a running total.
421
Disconnects Remote is the number of session disconnections that were initiated by the remote computer. This number is an accumulator and shows a running total.
423
Failures Link is the number of connections that were dropped due to a link failure. This number is an accumulator and shows a running total.
425
Failures Adapter is the number of connections that were dropped due to an adapter failure. This number is an accumulator and shows a running total.
427
Connection Session Timeouts is the number of connections that were dropped due to a session timeout. This number is an accumulator and shows a running total.
429
Connections Canceled is the number of connections that were canceled. This number is an accumulator and shows a running total.
431
Failures Resource Remote is the number of connections that failed because of resource problems or shortages on the remote computer. This number is an accumulator and shows a running total.
433
Failures Resource Local is the number of connections that failed because of resource problems or shortages on the local computer. This number is an accumulator and shows a running total.
435
Failures Not Found is the number of connection attempts that failed because the remote computer could not be found. This number is an accumulator and shows a running total.
437
Failures No Listen is the number of connections that were rejected because the remote computer was not listening for connection requests.
439
Datagrams/sec is the rate at which datagrams are processed by the computer. This counter displays the sum of datagrams sent and datagrams received. A datagram is a connectionless packet whose delivery to a remote is not guaranteed.
441
Datagram Bytes/sec is the rate at which datagram bytes are processed by the computer. This counter is the sum of datagram bytes that are sent as well as received. A datagram is a connectionless packet whose delivery to a remote is not guaranteed.
443
Datagrams Sent/sec is the rate at which datagrams are sent from the computer. A datagram is a connectionless packet whose delivery to a remote computer is not guaranteed.
445
Datagram Bytes Sent/sec is the rate at which datagram bytes are sent from the computer. A datagram is a connectionless packet whose delivery to a remote computer is not guaranteed.
447
Datagrams Received/sec is the rate at which datagrams are received by the computer. A datagram is a connectionless packet whose delivery to a remote computer is not guaranteed.
449
Datagram Bytes Received/sec is the rate at which datagram bytes are received by the computer. A datagram is a connectionless packet whose delivery to a remote computer is not guaranteed.
451
Packets/sec is the rate at which packets are processed by the computer. This count is the sum of Packets Sent and Packets Received per second. This counter includes all packets processed: control as well as data packets.
453
Packets Sent/sec is the rate at which packets are sent by the computer. This counter counts all packets sent by the computer, i.e. control as well as data packets.
455
Packets Received/sec is the rate at which packets are received by the computer. This counter counts all packets processed: control as well as data packets.
457
Frames/sec is the rate at which data frames (or packets) are processed by the computer. This counter is the sum of data frames sent and data frames received. This counter only counts those frames (packets) that carry data.
459
Frame Bytes/sec is the rate at which data bytes are processed by the computer. This counter is the sum of data frame bytes sent and received. This counter only counts the byte in frames (packets) that carry data.
461
Frames Sent/sec is the rate at which data frames are sent by the computer. This counter only counts the frames (packets) that carry data.
463
Frame Bytes Sent/sec is the rate at which data bytes are sent by the computer. This counter only counts the bytes in frames (packets) that carry data.
465
Frames Received/sec is the rate at which data frames are received by the computer. This counter only counts the frames (packets) that carry data.
467
Frame Bytes Received/sec is the rate at which data bytes are received by the computer. This counter only counts the frames (packets) that carry data.
469
Frames Re-Sent/sec is the rate at which data frames (packets) are re-sent by the computer. This counter only counts the frames or packets that carry data.
471
Frame Bytes Re-Sent/sec is the rate at which data bytes are re-sent by the computer. This counter only counts the bytes in frames that carry data.
473
Frames Rejected/sec is the rate at which data frames are rejected. This counter only counts the frames (packets) that carry data.
475
Frame Bytes Rejected/sec is the rate at which data bytes are rejected. This counter only counts the bytes in data frames (packets) that carry data.
477
Expirations Response is the count of T1 timer expirations.
479
Expirations Ack is the count of T2 timer expirations.
481
Window Send Maximum is the maximum number of bytes of data that will be sent before waiting for an acknowledgment from the remote computer.
483
Window Send Average is the running average number of data bytes that were sent before waiting for an acknowledgment from the remote computer.
485
Piggyback Ack Queued/sec is the rate at which piggybacked acknowledgments are queued. Piggyback acknowledgments are acknowledgments to received packets that are to be included in the next outgoing packet to the remote computer.
487
Piggyback Ack Timeouts is the number of times that a piggyback acknowledgment could not be sent because there was no outgoing packet to the remote on which to piggyback. A piggyback ack is an acknowledgment to a received packet that is sent along in an outgoing data packet to the remote computer. If no outgoing packet is sent within the timeout period, then an ack packet is sent and this counter is incremented.
489
The NWLink IPX performance object consists of counters that measure datagram transmission to and from computers using the IPX protocol.
491
The NWLink SPX performance object consist of counters that measure data transmission and session connections for computers using the SPX protocol.
493
The NetBEUI performance object consists of counters that measure data transmission for network activity which conforms to the NetBIOS End User Interface standard.
495
The NetBEUI Resource performance object consists of counters that track the use of buffers by the NetBEUI protocol.
497
Used Maximum is the maximum number of NetBEUI resources (buffers) in use at any point in time. This value is useful in sizing the maximum resources provided. The number in parentheses following the resource name is used to identify the resource in Event Log messages.
499
Used Average is the current number of resources (buffers) in use at this time. The number in parentheses following the resource name is used to identify the resource in Event Log messages.
501
Times Exhausted is the number of times all the resources (buffers) were in use. The number in parentheses following the resource name is used to identify the resource in Event Log messages.
503
The NBT Connection performance object consists of counters that measure the rates at which bytes are sent and received over the NBT connection between the local computer and a remote computer. The connection is identified by the name of the remote computer.
505
Bytes Received/sec is the rate at which bytes are received by the local computer over an NBT connection to some remote computer. All the bytes received by the local computer over the particular NBT connection are counted.
507
Bytes Sent/sec is the rate at which bytes are sent by the local computer over an NBT connection to some remote computer. All the bytes sent by the local computer over the particular NBT connection are counted.
509
Bytes Total/sec is the rate at which bytes are sent or received by the local computer over an NBT connection to some remote computer. All the bytes sent or received by the local computer over the particular NBT connection are counted.
511
The Network Interface performance object consists of counters that measure the rates at which bytes and packets are sent and received over a TCP/IP network connection. It includes counters that monitor connection errors.
513
Bytes Total/sec is the rate at which bytes are sent and received over each network adapter, including framing characters. Network Interface\\Bytes Received/sec is a sum of Network Interface\\Bytes Received/sec and Network Interface\\Bytes Sent/sec.
515
Packets/sec is the rate at which packets are sent and received on the network interface.
517
Packets Received/sec is the rate at which packets are received on the network interface.
519
Packets Sent/sec is the rate at which packets are sent on the network interface.
521
Current Bandwidth is an estimate of the current bandwidth of the network interface in bits per second (BPS). For interfaces that do not vary in bandwidth or for those where no accurate estimation can be made, this value is the nominal bandwidth.
523
Bytes Received/sec is the rate at which bytes are received over each network adapter, including framing characters. Network Interface\\Bytes Received/sec is a subset of Network Interface\\Bytes Total/sec.
525
Packets Received Unicast/sec is the rate at which (subnet) unicast packets are delivered to a higher-layer protocol.
527
Packets Received Non-Unicast/sec is the rate at which non-unicast (subnet broadcast or subnet multicast) packets are delivered to a higher-layer protocol.
529
Packets Received Discarded is the number of inbound packets that were chosen to be discarded even though no errors had been detected to prevent their delivery to a higher-layer protocol. One possible reason for discarding packets could be to free up buffer space.
531
Packets Received Errors is the number of inbound packets that contained errors preventing them from being deliverable to a higher-layer protocol.
533
Packets Received Unknown is the number of packets received through the interface that were discarded because of an unknown or unsupported protocol.
535
Bytes Sent/sec is the rate at which bytes are sent over each each network adapter, including framing characters. Network Interface\\Bytes Sent/sec is a subset of Network Interface\\Bytes Total/sec.
537
Packets Sent Unicast/sec is the rate at which packets are requested to be transmitted to subnet-unicast addresses by higher-level protocols. The rate includes the packets that were discarded or not sent.
539
Packets Sent Non-Unicast/sec is the rate at which packets are requested to be transmitted to non-unicast (subnet broadcast or subnet multicast) addresses by higher-level protocols. The rate includes the packets that were discarded or not sent.
541
Packets Outbound Discarded is the number of outbound packets that were chosen to be discarded even though no errors had been detected to prevent transmission. One possible reason for discarding packets could be to free up buffer space.
543
Packets Outbound Errors is the number of outbound packets that could not be transmitted because of errors.
545
Output Queue Length is the length of the output packet queue (in packets). If this is longer than two, there are delays and the bottleneck should be found and eliminated, if possible. Since the requests are queued by the Network Driver Interface Specification (NDIS) in this implementation, this will always be 0.
547
The IP performance object consists of counters that measure the rates at which IP datagrams are sent and received by using IP protocols. It also includes counters that monitor IP protocol errors.
549
Datagrams/sec is the rate, in incidents per second, at which IP datagrams were received from or sent to the interfaces, including those in error. Forwarded datagrams are not included in this rate.
551
Datagrams Received/sec is the rate, in incidents per second, at which IP datagrams are received from the interfaces, including those in error. Datagrams Received/sec is a subset of Datagrams/sec.
553
Datagrams Received Header Errors is the number of input datagrams that were discarded due to errors in the IP headers, including bad checksums, version number mismatch, other format errors, time-to-live exceeded, errors discovered in processing their IP options, etc.
555
Datagrams Received Address Errors is the number of input datagrams that were discarded because the IP address in their IP header destination field was not valid for the computer. This count includes invalid addresses (for example, 0.0. 0.0) and addresses of unsupported Classes (for example, Class E). For entities that are not IP gateways and do not forward datagrams, this counter includes datagrams that were discarded because the destination address was not a local address.
557
Datagrams Forwarded/sec is the rate, in incidents per second, at which attemps were made to find routes to forward input datagrams their final destination, because the local server was not the final IP destination. In servers that do not act as IP Gateways, this rate includes only packets that were source-routed via this entity, where the source-route option processing was successful.
559
Datagrams Received Unknown Protocol is the number of locally-addressed datagrams that were successfully received but were discarded because of an unknown or unsupported protocol.
561
Datagrams Received Discarded is the number of input IP datagrams that were discarded even though problems prevented their continued processing (for example, lack of buffer space). This counter does not include any datagrams discarded while awaiting re-assembly.
563
Datagrams Received Delivered/sec is the rate, in incidents per second, at which input datagrams were successfully delivered to IP user-protocols, including Internet Control Message Protocol (ICMP).
565
Datagrams Sent/sec is the rate, in incidents per second, at which IP datagrams were supplied for transmission by local IP user-protocols (including ICMP). This counter does not include any datagrams counted in Datagrams Forwarded/sec. Datagrams Sent/sec is a subset of Datagrams/sec.
567
Datagrams Outbound Discarded is the number of output IP datagrams that were discarded even though no problems were encountered to prevent their transmission to their destination (for example, lack of buffer space). This counter includes datagrams counted in Datagrams Forwarded/sec that meet this criterion.
569
Datagrams Outbound No Route is the number of IP datagrams that were discarded because no route could be found to transmit them to their destination. This counter includes any packets counted in Datagrams Forwarded/sec that meet this `no route’ criterion.
571
Fragments Received/sec is the rate, in incidents per second, at which IP fragments that need to be reassembled at this entity are received.
573
Fragments Re-assembled/sec is the rate, in incidents per second, at which IP fragments were successfully reassembled.
575
Fragment Re-assembly Failures is the number of failures detected by the IP reassembly algorithm, such as time outs, errors, etc. This is not necessarily a count of discarded IP fragments since some algorithms (notably RFC 815) lose track of the number of fragments by combining them as they are received.
577
Fragmented Datagrams/sec is the rate, in incidents per second, at which datagrams are successfully fragmented.
579
Fragmentation Failures is the number of IP datagrams that were discarded because they needed to be fragmented at but could not be (for example, because the `Don’t Fragment’ flag was set).
581
Fragments Created/sec is the rate, in incidents per second, at which IP datagram fragments were generated as a result of fragmentation.
583
The ICMP performance object consists of counters that measure the rates at which messages are sent and received by using ICMP protocols. It also includes counters that monitor ICMP protocol errors.
585
Messages/sec is the total rate, in incidents per second, at which ICMP messages were sent and received by the entity. The rate includes messages received or sent in error.
587
Messages Received/sec is the rate, in incidents per second at which ICMP messages were received. The rate includes messages received in error.
589
Messages Received Errors is the number of ICMP messages that the entity received but had errors, such as bad ICMP checksums, bad length, etc.
591
Received Destination Unreachable is the number of ICMP Destination Unreachable messages received.
593
Received Time Exceeded is the number of ICMP Time Exceeded messages received.
595
Received Parameter Problem is the number of ICMP Parameter Problem messages received.
597
Received Source Quench is the number of ICMP Source Quench messages received.
599
Received Redirect/sec is the rate, in incidents per second, at which ICMP Redirect messages were received.
601
Received Echo/sec is the rate, in incidents per second, at which ICMP Echo messages were received.
603
Received Echo Reply/sec is the rate, in incidents per second, at which ICMP Echo Reply messages were received.
605
Received Timestamp/sec is the rate, in incidents per second at which ICMP Timestamp Request messages were received.
607
Received Timestamp Reply/sec is the rate of ICMP Timestamp Reply messages received.
609
Received Address Mask is the number of ICMP Address Mask Request messages received.
611
Received Address Mask Reply is the number of ICMP Address Mask Reply messages received.
613
Messages Sent/sec is the rate, in incidents per second, at which the server attempted to send. The rate includes those messages sent in error.
615
Messages Outbound Errors is the number of ICMP messages that were not send due to problems within ICMP, such as lack of buffers. This value does not include errors discovered outside the ICMP layer, such as those recording the failure of IP to route the resultant datagram. In some implementations, none of the error types are included in the value of this counter.
617
Sent Destination Unreachable is the number of ICMP Destination Unreachable messages sent.
619
Sent Time Exceeded is the number of ICMP Time Exceeded messages sent.
621
Sent Parameter Problem is the number of ICMP Parameter Problem messages sent.
623
Sent Source Quench is the number of ICMP Source Quench messages sent.
625
Sent Redirect/sec is the rate, in incidents per second, at which ICMP Redirect messages were sent.
627
Sent Echo/sec is the rate of ICMP Echo messages sent.
629
Sent Echo Reply/sec is the rate, in incidents per second, at which ICMP Echo Reply messages were sent.
631
Sent Timestamp/sec is the rate, in incidents per second, at which ICMP Timestamp Request messages were sent.
633
Sent Timestamp Reply/sec is the rate, in incidents per second, at which ICMP Timestamp Reply messages were sent.
635
Sent Address Mask is the number of ICMP Address Mask Request messages sent.
637
Sent Address Mask Reply is the number of ICMP Address Mask Reply messages sent.
639
The TCP performance object consists of counters that measure the rates at which TCP Segments are sent and received by using the TCP protocol. It includes counters that monitor the number of TCP connections in each TCP connection state.
641
Segments/sec is the rate at which TCP segments are sent or received using the TCP protocol.
643
Connections Established is the number of TCP connections for which the current state is either ESTABLISHED or CLOSE-WAIT.
645
Connections Active is the number of times TCP connections have made a direct transition to the SYN-SENT state from the CLOSED state.
647
Connections Passive is the number of times TCP connections have made a direct transition to the SYN-RCVD state from the LISTEN state.
649
Connection Failures is the number of times TCP connections have made a direct transition to the CLOSED state from the SYN-SENT state or the SYN-RCVD state, plus the number of times TCP connections have made a direct transition to the LISTEN state from the SYN-RCVD state.
651
Connections Reset is the number of times TCP connections have made a direct transition to the CLOSED state from either the ESTABLISHED state or the CLOSE-WAIT state.
653
Segments Received/sec is the rate at which segments are received, including those received in error. This count includes segments received on currently established connections.
655
Segments Sent/sec is the rate at which segments are sent, including those on current connections, but excluding those containing only retransmitted bytes.
657
Segments Retransmitted/sec is the rate at which segments are retransmitted, that is, segments transmitted containing one or more previously transmitted bytes.
659
The UDP performance object consists of counters that measure the rates at which UDP datagrams are sent and received by using the UDP protocol. It includes counters that monitor UDP protocol errors.
661
Datagrams/sec is the rate at which UDP datagrams are sent or received by the entity.
663
Datagrams Received/sec is the rate at which UDP datagrams are delivered to UDP users.
665
Datagrams No Port/sec is the rate of received UDP datagrams for which there was no application at the destination port.
667
Datagrams Received Errors is the number of received UDP datagrams that could not be delivered for reasons other than the lack of an application at the destination port.
669
Datagrams Sent/sec is the rate at which UDP datagrams are sent from the entity.
671
Disk Storage device statistics from the foreign computer
673
The number of allocation failures reported by the disk storage device
675
System Up Time is the elapsed time (in seconds) that the computer has been running since it was last started. This counter displays the difference between the start time and the current time.
677
The current number of system handles in use.
679
Free System Page Table Entries is the number of page table entries not currently in used by the system. This counter displays the last observed value only; it is not an average.
681
The number of threads currently active in this process. An instruction is the basic unit of execution in a processor, and a thread is the object that executes instructions. Every running process has at least one thread.
683
The current base priority of this process. Threads within a process can raise and lower their own base priority relative to the process’ base priority.
685
The total elapsed time, in seconds, that this process has been running.
687
Alignment Fixups/sec is the rate, in incidents per seconds, at alignment faults were fixed by the system.
689
Exception Dispatches/sec is the rate, in incidents per second, at which exceptions were dispatched by the system.
691
Floating Emulations/sec is the rate of floating emulations performed by the system. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
693
Logon/sec is the rate of all server logons.
695
The current dynamic priority of this thread. The system can raise the thread’s dynamic priority above the base priority if the thread is handling user input, or lower it towards the base priority if the thread becomes compute bound.
697
The current base priority of this thread. The system can raise the thread’s dynamic priority above the base priority if the thread is handling user input, or lower it towards the base priority if the thread becomes compute bound.
699
The total elapsed time (in seconds) this thread has been running.
701
The Paging File performance object consists of counters that monitor the paging file(s) on the computer. The paging file is a reserved space on disk that backs up committed physical memory on the computer.
703
The amount of the Page File instance in use in percent. See also Process\\Page File Bytes.
705
The peak usage of the Page File instance in percent. See also Process\\Page File Bytes Peak.
707
Starting virtual address for this thread.
709
Current User Program Counter for this thread.
711
Mapped Space is virtual memory that has been mapped to a specific virtual address (or range of virtual addresses) in the process’ virtual address space. No Access protection prevents a process from writing to or reading from these pages and will generate an access violation if either is attempted.
713
Mapped Space is virtual memory that has been mapped to a specific virtual address (or range of virtual addresses) in the process’ virtual address space. Read Only protection prevents the contents of these pages from being modified. Any attempts to write or modify these pages will generate an access violation.
715
Mapped Space is virtual memory that has been mapped to a specific virtual address (or range of virtual addresses) in the process’ virtual address space. Read/Write protection allows a process to read, modify and write to these pages.
717
Mapped Space is virtual memory that has been mapped to a specific virtual address (or range of virtual addresses) in the process’ virtual address space. Write Copy protection is used when memory is shared for reading but not for writing. When processes are reading this memory, they can share the same memory, however, when a sharing process wants to have write access to this shared memory, a copy of that memory is made.
719
Mapped Space is virtual memory that has been mapped to a specific virtual address (or range of virtual addresses) in the process’ virtual address space. Executable memory is memory that can be executed by programs, but cannot be read or written. This type of protection is not supported by all processor types.
721
Mapped Space is virtual memory that has been mapped to a specific virtual address (or range of virtual addresses) in the process’ virtual address space. Execute/Read Only memory is memory that can be executed as well as read.
723
Mapped Space is virtual memory that has been mapped to a specific virtual address (or range of virtual addresses) in the process’ virtual address space. Execute/Read/Write memory is memory that can be executed by programs as well as read and modified.
725
Mapped Space is virtual memory that has been mapped to a specific virtual address (or range of virtual addresses) in the process’ virtual address space. Execute Write Copy is memory that can be executed by programs as well as read and written. This type of protection is used when memory needs to be shared between processes. If the sharing processes only read the memory, then they will all use the same memory. If a sharing process desires write access, then a copy of this memory will be made for that process.
727
Reserved Space is virtual memory that has been reserved for future use by a process, but has not been mapped or committed. No Access protection prevents a process from writing to or reading from these pages and will generate an access violation if either is attempted.
729
Reserved Space is virtual memory that has been reserved for future use by a process, but has not been mapped or committed. Read Only protection prevents the contents of these pages from being modified. Any attempts to write or modify these pages will generate an access violation.
731
Reserved Space is virtual memory that has been reserved for future use by a process, but has not been mapped or committed. Read/Write protection allows a process to read, modify and write to these pages.
733
Reserved Space is virtual memory that has been reserved for future use by a process, but has not been mapped or committed. Write Copy protection is used when memory is shared for reading but not for writing. When processes are reading this memory, they can share the same memory, however, when a sharing process wants to have read/write access to this shared memory, a copy of that memory is made.
735
Reserved Space is virtual memory that has been reserved for future use by a process, but has not been mapped or committed. Executable memory is memory that can be executed by programs, but cannot be read or written. This type of protection is not supported by all processor types.
737
Reserved Space is virtual memory that has been reserved for future use by a process, but has not been mapped or committed. Execute/Read Only memory is memory that can be executed as well as read.
739
Reserved Space is virtual memory that has been reserved for future use by a process, but has not been mapped or committed. Execute/Read/Write memory is memory that can be executed by programs as well as read and modified.
741
The Image performance object consists of counters that monitor the virtual address usage of images executed by processes on the computer.
743
Reserved Space is virtual memory that has been reserved for future use by a process, but has not been mapped or committed. Execute Write Copy is memory that can be executed by programs as well as read and written. This type of protection is used when memory needs to be shared between processes. If the sharing processes only read the memory, then they will all use the same memory. If a sharing process desires write access, then a copy of this memory will be made for that process.
745
Unassigned Space is mapped and committed virtual memory in use by the process that is not attributable to any particular image being executed by that process. No Access protection prevents a process from writing to or reading from these pages and will generate an access violation if either is attempted.
747
Unassigned Space is mapped and committed virtual memory in use by the process that is not attributable to any particular image being executed by that process. Read Only protection prevents the contents of these pages from being modified. Any attempts to write or modify these pages will generate an access violation.
749
Unassigned Space is mapped and committed virtual memory in use by the process that is not attributable to any particular image being executed by that process. Read/Write protection allows a process to read, modify and write to these pages.
751
Unassigned Space is mapped and committed virtual memory in use by the process that is not attributable to any particular image being executed by that process. Write Copy protection is used when memory is shared for reading but not for writing. When processes are reading this memory, they can share the same memory, however, when a sharing process wants to have read/write access to this shared memory, a copy of that memory is made for writing to.
753
Unassigned Space is mapped and committed virtual memory in use by the process that is not attributable to any particular image being executed by that process. Executable memory is memory that can be executed by programs, but cannot be read or written. This type of protection is not supported by all processor types.
755
Unassigned Space is mapped and committed virtual memory in use by the process that is not attributable to any particular image being executed by that process. Execute/Read Only memory is memory that can be executed as well as read.
757
Unassigned Space is mapped and committed virtual memory in use by the process that is not attributable to any particular image being executed by that process. Execute/Read/Write memory is memory that can be executed by programs as well as read and written.
759
Unassigned Space is mapped and committed virtual memory in use by the process that is not attributable to any particular image being executed by that process. Execute Write Copy is memory that can be executed by programs as well as read and written. This type of protection is used when memory needs to be shared between processes. If the sharing processes only read the memory, then they will all use the same memory. If a sharing process desires write access, then a copy of this memory will be made for that process.
761
Image Space is the virtual address space in use by the images being executed by the process. This is the sum of all the address space with this protection allocated by images run by the selected process No Access protection prevents a process from writing to or reading from these pages and will generate an access violation if either is attempted.
763
Image Space is the virtual address space in use by the images being executed by the process. This is the sum of all the address space with this protection allocated by images run by the selected process Read Only protection prevents the contents of these pages from being modified. Any attempts to write or modify these pages will generate an access violation.
765
Image Space is the virtual address space in use by the images being executed by the process. This is the sum of all the address space with this protection allocated by images run by the selected process Read/Write protection allows a process to read, modify and write to these pages.
767
Image Space is the virtual address space in use by the images being executed by the process. This is the sum of all the address space with this protection allocated by images run by the selected process Write Copy protection is used when memory is shared for reading but not for writing. When processes are reading this memory, they can share the same memory, however, when a sharing process wants to have read/write access to this shared memory, a copy of that memory is made for writing to.
769
Image Space is the virtual address space in use by the images being executed by the process. This is the sum of all the address space with this protection allocated by images run by the selected process Executable memory is memory that can be executed by programs, but cannot be read or written. This type of protection is not supported by all processor types.
771
Image Space is the virtual address space in use by the images being executed by the process. This is the sum of all the address space with this protection allocated by images run by the selected process Execute/Read-Only memory is memory that can be executed as well as read.
773
Image Space is the virtual address space in use by the images being executed by the process. This is the sum of all the address space with this protection allocated by images run by the selected process Execute/Read/Write memory is memory that can be executed by programs as well as read and written and modified.
775
Image Space is the virtual address space in use by the images being executed by the process. This is the sum of all the address space with this protection allocated by images run by the selected process Execute Write Copy is memory that can be executed by programs as well as read and written. This type of protection is used when memory needs to be shared between processes. If the sharing processes only read the memory, then they will all use the same memory. If a sharing process desires write access, then a copy of this memory will be made for that process.
777
Bytes Image Reserved is the sum of all virtual memory reserved by images within this process.
779
Bytes Image Free is the amount of virtual address space that is not in use or reserved by images within this process.
781
Bytes Reserved is the total amount of virtual memory reserved for future use by this process.
783
Bytes Free is the total unused virtual address space of this process.
785
ID Process is the unique identifier of this process. ID Process numbers are reused, so they only identify a process for the lifetime of that process.
787
The Process Address Space performance object consists of counters that monitor memory allocation and use for a selected process.
789
Image Space is the virtual address space in use by the selected image with this protection. No Access protection prevents a process from writing or reading these pages and will generate an access violation if either is attempted.
791
Image Space is the virtual address space in use by the selected image with this protection. Read Only protection prevents the contents of these pages from being modified. Any attempts to write or modify these pages will generate an access violation.
793
Image Space is the virtual address space in use by the selected image with this protection. Read/Write protection allows a process to read, modify and write to these pages.
795
Image Space is the virtual address space in use by the selected image with this protection. Write Copy protection is used when memory is shared for reading but not for writing. When processes are reading this memory, they can share the same memory, however, when a sharing process wants to have read/write access to this shared memory, a copy of that memory is made for writing to.
797
Image Space is the virtual address space in use by the selected image with this protection. Executable memory is memory that can be executed by programs, but cannot be read or written. This type of protection is not supported by all processor types.
799
Image Space is the virtual address space in use by the selected image with this protection. Execute/Read Only memory is memory that can be executed as well as read.
801
Image Space is the virtual address space in use by the selected image with this protection. Execute/Read/Write memory is memory that can be executed by programs as well as read and written.
803
Image Space is the virtual address space in use by the selected image with this protection. Execute Write Copy is memory that can be executed by programs as well as read and written. This type of protection is used when memory needs to be shared between processes. If the sharing processes only read the memory, then they will all use the same memory. If a sharing process desires write access, then a copy of this memory will be made for that process.
805
ID Thread is the unique identifier of this thread. ID Thread numbers are reused, so they only identify a thread for the lifetime of that thread.
807
Mailslot Opens Failed/sec indicates the rate at which mailslot messages to be delivered to mailslots that are not present are received by this workstation.
809
Duplicate Master Announcements indicates the number of times that the master browser has detected another master browser on the same domain.
811
Illegal Datagrams/sec is the rate at which incorrectly formatted datagrams have been received by the workstation.
813
Announcements Total/sec is the sum of Announcements Server/sec and Announcements Domain/sec.
815
Enumerations Total/sec is the rate at which browse requests have been processed by this workstation. This is the sum of Enumerations Server/sec, Enumerations Domain/sec, and Enumerations Other/sec.
817
The Thread Details performance object consists of counters that measure aspects of thread behavior that are difficult or time-consuming or collect. These counters are distinguished from those in the Thread object by their high overhead.
819
Cache Bytes is the sum of the Memory\\System Cache Resident Bytes, Memory\\System Driver Resident Bytes, Memory\\System Code Resident Bytes, and Memory\\Pool Paged Resident Bytes counters. This counter displays the last observed value only; it is not an average.
821
Cache Bytes Peak is the maximum number of bytes used by the file system cache since the system was last restarted. This might be larger than the current size of the cache. This counter displays the last observed value only; it is not an average.
823
Pages Input/sec is the rate at which pages are read from disk to resolve hard page faults. Hard page faults occur when a process refers to a page in virtual memory that is not in its working set or elsewhere in physical memory, and must be retrieved from disk. When a page is faulted, the system tries to read multiple contiguous pages into memory to maximize the benefit of the read operation. Compare the value of Memory\\Pages Input/sec to the value of Memory\\Page Reads/sec to determine the average number of pages read into memory during each read operation.
825
Transition Pages RePurposed is the rate at which the number of transition cache pages were reused for a different purpose. These pages would have otherwise remained in the page cache to provide a (fast) soft fault (instead of retrieving it from backing store) in the event the page was accessed in the future. Note these pages can contain private or sharable memory.
871
The RAS performance object consists of counters that monitor individual Remote Access Service ports of the RAS device on the computer.
873
The number of bytes transmitted total for this connection.
875
The number of bytes received total for this connection.
877
The number of data frames transmitted total for this connection.
879
The number of data frames received total for this connection.
881
The compression ratio for bytes being transmitted.
883
The compression ratio for bytes being received.
885
The total number of CRC Errors for this connection. CRC Errors occur when the frame received contains erroneous data.
887
The total number of Timeout Errors for this connection. Timeout Errors occur when an expected is not received in time.
889
The total number of Serial Overrun Errors for this connection. Serial Overrun Errors occur when the hardware cannot handle the rate at which data is received.
891
The total number of Alignment Errors for this connection. Alignment Errors occur when a byte received is different from the byte expected.
893
The total number of Buffer Overrun Errors for this connection. Buffer Overrun Errors when the software cannot handle the rate at which data is received.
895
The total number of CRC, Timeout, Serial Overrun, Alignment, and Buffer Overrun Errors for this connection.
897
The number of bytes transmitted per second.
899
The number of bytes received per second.
901
The number of frames transmitted per second.
903
The number of frames received per second.
905
The total number of CRC, Timeout, Serial Overrun, Alignment, and Buffer Overrun Errors per second.
907
The RAS performance object consists of counters that combine values for all ports of the Remote Access service (RAS) device on the computer.
909
The total number of Remote Access connections.
921
The WINS Server performance object consists of counters that monitor communications using the WINS Server service.
923
Unique Registrations/sec is the rate at which unique registration are received by the WINS server.
925
Group Registrations/sec is the rate at which group registration are received by the WINS server.
927
Total Number of Registrations/sec is the sum of the Unique and Group registrations per sec. This is the total rate at which registration are received by the WINS server.
929
Unique Renewals/sec is the rate at which unique renewals are received by the WINS server.
931
Group Renewals/sec is the rate at which group renewals are received by the WINS server.
933
Total Number of Renewals/sec is the sum of the Unique and Group renewals per sec. This is the total rate at which renewals are received by the WINS server.
935
Total Number of Releases/sec is the rate at which releases are received by the WINS server.
937
Total Number of Queries/sec is the rate at which queries are received by the WINS server.
939
Unique Conflicts/sec is the rate at which unique registrations/renewals received by the WINS server resulted in conflicts with records in the database.
941
Group Conflicts/sec is the rate at which group registration received by the WINS server resulted in conflicts with records in the database.
943
Total Number of Conflicts/sec is the sum of the Unique and Group conflicts per sec. This is the total rate at which conflicts were seen by the WINS server.
945
Total Number of Successful Releases/sec
947
Total Number of Failed Releases/sec
949
Total Number of Successful Queries/sec
951
Total Number of Failed Queries/sec
953
The total number of handles currently open by this process. This number is equal to the sum of the handles currently open by each thread in this process.
1001
Services for Macintosh AFP File Server.
1003
The maximum amount of paged memory resources used by the MacFile Server.
1005
The current amount of paged memory resources used by the MacFile Server.
1007
The maximum amount of nonpaged memory resources use by the MacFile Server.
1009
The current amount of nonpaged memory resources used by the MacFile Server.
1011
The number of sessions currently connected to the MacFile server. Indicates current server activity.
1013
The maximum number of sessions connected at one time to the MacFile server. Indicates usage level of server.
1015
The number of internal files currently open in the MacFile server. This count does not include files opened on behalf of Macintosh clients.
1017
The maximum number of internal files open at one time in the MacFile server. This count does not include files opened on behalf of Macintosh clients.
1019
The number of failed logon attempts to the MacFile server. Can indicate whether password guessing programs are being used to crack the security on the server.
1021
The number of bytes read from disk per second.
1023
The number of bytes written to disk per second.
1025
The number of bytes received from the network per second. Indicates how busy the server is.
1027
The number of bytes sent on the network per second. Indicates how busy the server is.
1029
The number of outstanding work items waiting to be processed.
1031
The maximum number of outstanding work items waiting at one time.
1033
The current number of threads used by MacFile server. Indicates how busy the server is.
1035
The maximum number of threads used by MacFile server. Indicates peak usage level of server.
1051
AppleTalk Protocol
1053
Number of packets received per second by Appletalk on this port.
1055
Number of packets sent per second by Appletalk on this port.
1057
Number of bytes received per second by Appletalk on this port.
1059
Number of bytes sent per second by Appletalk on this port.
1061
Average time in milliseconds to process a DDP packet on this port.
1063
Number of DDP packets per second received by Appletalk on this port.
1065
Average time in milliseconds to process an AARP packet on this port.
1067
Number of AARP packets per second received by Appletalk on this port.
1069
Average time in milliseconds to process an ATP packet on this port.
1071
Number of ATP packets per second received by Appletalk on this port.
1073
Average time in milliseconds to process an NBP packet on this port.
1075
Number of NBP packets per second received by Appletalk on this port.
1077
Average time in milliseconds to process a ZIP packet on this port.
1079
Number of ZIP packets per second received by Appletalk on this port.
1081
Average time in milliseconds to process an RTMP packet on this port.
1083
Number of RTMP packets per second received by Appletalk on this port.
1085
Number of ATP requests retransmitted on this port.
1087
Number of ATP release timers that have expired on this port.
1089
Number of ATP Exactly-once transaction responses per second on this port.
1091
Number of ATP At-least-once transaction responses per second on this port.
1093
Number of ATP transaction release packets per second received on this port.
1095
The current amount of nonpaged memory resources used by AppleTalk.
1097
Number of packets routed in on this port.
1099
Number of packets dropped due to resource limitations on this port.
1101
Number of ATP requests retransmitted to this port.
1103
Number of packets routed out on this port.
1111
Provides Network Statistics for the local network segment via the Network Monitor Service.
1113
The total number of frames received per second on this network segment.
1115
The number of bytes received per second on this network segment.
1117
The number of Broadcast frames received per second on this network segment.
1119
The number of Multicast frames received per second on this network segment.
1121
Percentage of network bandwidth in use on this network segment.
1125
Percentage of network bandwidth which is made up of broadcast traffic on this network segment.
1127
Percentage of network bandwidth which is made up of multicast traffic on this network segment.
1151
The Telephony System
1153
The number of telephone lines serviced by this computer.
1155
The number of telephone devices serviced by this computer.
1157
The number of telephone lines serviced by this computer that are currently active.
1159
The number of telephone devices that are currently being monitored.
1161
The rate of outgoing calls made by this computer.
1163
The rate of incoming calls answered by this computer.
1165
The number of applications that are currently using telephony services.
1167
Current outgoing calls being serviced by this computer.
1169
Current incoming calls being serviced by this computer.
1229
The Gateway Service For NetWare performance object consists of counters that measure the Gateway Server service.
1231
The Client Service For NetWare object consists of counters that measure packet transmission rates, logons, and connections.
1233
Packet Burst Read NCP Count/sec is the rate of NetWare Core Protocol requests for Packet Burst Read. Packet Burst is a windowing protocol that improves performance.
1235
Packet Burst Read Timeouts/sec is the rate the NetWare Service needs to retransmit a Burst Read Request because the NetWare server took too long to respond.
1237
Packet Burst Write NCP Count/sec is the rate of NetWare Core Protocol requests for Packet Burst Write. Packet Burst is a windowing protocol that improves performance.
1239
Packet Burst Write Timeouts/sec is the rate the NetWare Service needs to retransmit a Burst Write Request because the NetWare server took too long to respond.
1241
Packet Burst IO/sec is the sum of Packet Burst Read NCPs/sec and Packet Burst Write NCPs/sec.
1243
Connect NetWare 2.x counts connections to NetWare 2.x servers.
1245
Connect NetWare 3.x counts connections to NetWare 3.x servers.
1247
Connect NetWare 4.x counts connections to NetWare 4.x servers.
1261
Logon Total includes all interactive logons, network logons, service logons, successful logon, and failed logons since the machine is last rebooted.
1301
The Server Work Queues performance object consists of counters that monitor the length of the queues and objects in the queues.
1303
Queue Length is the current length of the server work queue for this CPU. A sustained queue length greater than four might indicate processor congestion. This is an instantaneous count, not an average over time.
1305
Active Threads is the number of threads currently working on a request from the server client for this CPU. The system keeps this number as low as possible to minimize unnecessary context switching. This is an instantaneous count for the CPU, not an average over time.
1307
Available Threads is the number of server threads on this CPU not currently working on requests from a client. The server dynamically adjusts the number of threads to maximize server performance.
1309
Every request from a client is represented in the server as a ‘work item,’ and the server maintains a pool of available work items per CPU to speed processing. This is the instantaneous number of available work items for this CPU. A sustained near-zero value indicates the need to increase the MinFreeWorkItems registry value for the Server service. This value will always be 0 in the Blocking Queue instance.
1311
Every request from a client is represented in the server as a ‘work item,’ and the server maintains a pool of available work items per CPU to speed processing. When a CPU runs out of work items, it borrows a free work item from another CPU. An increasing value of this running counter might indicate the need to increase the ‘MaxWorkItems’ or ‘MinFreeWorkItems’ registry values for the Server service. This value will always be 0 in the Blocking Queue instance.
1313
Every request from a client is represented in the server as a ‘work item,’ and the server maintains a pool of available work items per CPU to speed processing. A sustained value greater than zero indicates the need to increase the ‘MaxWorkItems’ registry value for the Server service. This value will always be 0 in the Blocking Queue instance.
1315
Current Clients is the instantaneous count of the clients being serviced by this CPU. The server actively balances the client load across all of the CPU’s in the system. This value will always be 0 in the Blocking Queue instance.
1317
The rate at which the Server is receiving bytes from the network clients on this CPU. This value is a measure of how busy the Server is.
1319
The rate at which the Server is sending bytes to the network clients on this CPU. This value is a measure of how busy the Server is.
1321
The rate at which the Server is sending and receiving bytes with the network clients on this CPU. This value is a measure of how busy the Server is.
1323
Read Operations/sec is the rate the server is performing file read operations for the clients on this CPU. This value is a measure of how busy the Server is. This value will always be 0 in the Blocking Queue instance.
1325
Read Bytes/sec is the rate the server is reading data from files for the clients on this CPU. This value is a measure of how busy the Server is.
1327
Write Operations/sec is the rate the server is performing file write operations for the clients on this CPU. This value is a measure of how busy the Server is. This value will always be 0 in the Blocking Queue instance.
1329
Write Bytes/sec is the rate the server is writing data to files for the clients on this CPU. This value is a measure of how busy the Server is.
1331
Total Bytes/sec is the rate the Server is reading and writing data to and from the files for the clients on this CPU. This value is a measure of how busy the Server is.
1333
Total Operations/sec is the rate the Server is performing file read and file write operations for the clients on this CPU. This value is a measure of how busy the Server is. This value will always be 0 in the Blocking Queue instance.
1335
DPCs Queued/sec is the average rate, in incidents per second, at which deferred procedure calls (DPCs) were added to the processor’s DPC queue. DPCs are interrupts that run at a lower priority than standard interrupts. Each processor has its own DPC queue. This counter measures the rate that DPCs are added to the queue, not the number of DPCs in the queue. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
1337
DPC Rate is the rate at which deferred procedure calls (DPCs) were added to the processors DPC queues between the timer ticks of the processor clock. DPCs are interrupts that run at alower priority than standard interrupts. Each processor has its own DPC queue. This counter measures the rate that DPCs were added to the queue, not the number of DPCs in the queue. This counter displays the last observed value only; it is not an average.
1343
Total DPCs Queued/sec is the combined rate at which deferred procedure calls (DPCs) are added to the DPC queue of all processors on the computer. (DPCs are interrupts that run at a lower priority than standard interrupts). Each processor has its own DPC queue. This counter measures the rate at which DPCs are added to the queue, not the number of DPCs in the queue. It is the sum of Processor: DPCs Queued/sec for all processors on the computer, divided by the number of processors. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
1345
Total DPC Rate is the combined rate at which deferred procedure calls (DPCs) are added to the DPC queues of all processors between timer ticks of each processor’s system clock. (DPCs are interrupts that run at a lower priority than standard interrupts). Each processor has its own DPC queue. clock on the processor. This counter measures the rate at which DPCs are added to the queue, not the number of DPCs in the queue. It is the sum of Processor: DPC Rate for all processors on the computer, divided by the number of processors. This counter displays the last observed value only; it is not an average.
1351
% Registry Quota In Use is the percentage of the Total Registry Quota Allowed that is currently being used by the system. This counter displays the current percentage value only; it is not an average.
1361
Counters that indicate the status of local and system Very Large memory allocations.
1363
VLM % Virtual Size In Use
1365
Current size of the process VLM Virtual memory space in bytes.
1367
The peak size of the process VLM virtual memory space in bytes. This value indicates the maximum size of the process VLM virtual memory since the process started.
1369
The current size of the process VLM virtual memory space in bytes that may be allocated. Note that the maximum allocation allowed may be smaller than this value due to fragmentation of the memory space.
1371
The current size of committed VLM memory space for the current process in bytes.
1373
The peak size of the committed VLM memory space in bytes for the current process since the process started.
1375
The current size of all committed VLM memory space in bytes for the system.
1377
The peak size of all committed VLM memory space in bytes since the system was started.
1379
The current size of all committed shared VLM memory space in bytes for the system.
1381
Available KBytes is the amount of physical memory, in Kilobytes, immediately available for allocation to a process or for system use. It is equal to the sum of memory assigned to the standby (cached), free and zero page lists. For a full explanation of the memory manager, refer to MSDN and/or the System Performance and Troubleshooting Guide chapter in the Windows Server 2003 Resource Kit.
1383
Available MBytes is the amount of physical memory, in Megabytes, immediately available for allocation to a process or for system use. It is equal to the sum of memory assigned to the standby (cached), free and zero page lists. For a full explanation of the memory manager, refer to MSDN and/or the System Performance and Troubleshooting Guide chapter in the Windows Server 2003 Resource Kit.
1401
Avg. Disk Queue Length is the average number of both read and write requests that were queued for the selected disk during the sample interval.
1403
Avg. Disk Read Queue Length is the average number of read requests that were queued for the selected disk during the sample interval.
1405
Avg. Disk Write Queue Length is the average number of write requests that were queued for the selected disk during the sample interval.
1407
% Committed Bytes In Use is the ratio of Memory\\Committed Bytes to the Memory\\Commit Limit. Committed memory is the physical memory in use for which space has been reserved in the paging file should it need to be written to disk. The commit limit is determined by the size of the paging file. If the paging file is enlarged, the commit limit increases, and the ratio is reduced). This counter displays the current percentage value only; it is not an average.
1409
The Full Image performance object consists of counters that monitor the virtual address usage of images executed by processes on the computer. Full Image counters are the same counters as contained in Image object with the only difference being the instance name. In the Full Image object, the instance name includes the full file path name of the loaded modules, while in the Image object only the filename is displayed.
1411
The Creating Process ID value is the Process ID of the process that created the process. The creating process may have terminated, so this value may no longer identify a running process.
1413
The rate at which the process is issuing read I/O operations. This counter counts all I/O activity generated by the process to include file, network and device I/Os.
1415
The rate at which the process is issuing write I/O operations. This counter counts all I/O activity generated by the process to include file, network and device I/Os.
1417
The rate at which the process is issuing read and write I/O operations. This counter counts all I/O activity generated by the process to include file, network and device I/Os.
1419
The rate at which the process is issuing I/O operations that are neither read nor write operations (for example, a control function). This counter counts all I/O activity generated by the process to include file, network and device I/Os.
1421
The rate at which the process is reading bytes from I/O operations. This counter counts all I/O activity generated by the process to include file, network and device I/Os.
1423
The rate at which the process is writing bytes to I/O operations. This counter counts all I/O activity generated by the process to include file, network and device I/Os.
1425
The rate at which the process is reading and writing bytes in I/O operations. This counter counts all I/O activity generated by the process to include file, network and device I/Os.
1427
The rate at which the process is issuing bytes to I/O operations that do not involve data such as control operations. This counter counts all I/O activity generated by the process to include file, network and device I/Os.
1451
Displays performance statistics about a Print Queue.
1453
Total number of jobs printed on a print queue since the last restart.
1455
Number of bytes per second printed on a print queue.
1457
Total number of pages printed through GDI on a print queue since the last restart.
1459
Current number of jobs in a print queue.
1461
Current number of references (open handles) to this printer.
1463
Peak number of references (open handles) to this printer.
1465
Current number of spooling jobs in a print queue.
1467
Maximum number of spooling jobs in a print queue since last restart.
1469
Total number of out of paper errors in a print queue since the last restart.
1471
Total number of printer not ready errors in a print queue since the last restart.
1473
Total number of job errors in a print queue since last restart.
1475
Total number of calls from browse clients to this print server to request network browse lists since last restart.
1477
Total number of calls from other print servers to add shared network printers to this server since last restart.
1479
Working Set – Private displays the size of the working set, in bytes, that is use for this process only and not shared nor sharable by other processes.
1481
Working Set – Shared displays the size of the working set, in bytes, that is sharable and may be used by other processes. Because a portion of a process’ working set is shareable, does not necessarily mean that other processes are using it.
1483
% Idle Time reports the percentage of time during the sample interval that the disk was idle.
1485
Split IO/Sec reports the rate at which I/Os to the disk were split into multiple I/Os. A split I/O may result from requesting data of a size that is too large to fit into a single I/O or that the disk is fragmented.
1501
Reports the accounting and processor usage data collected by each active named Job object.
1503
Current % Processor Time shows the percentage of the sample interval that the processes in the Job object spent executing code.
1505
Current % User mode Time shows the percentage of the sample interval that the processes in the Job object spent executing code in user mode.
1507
Current % Kernel mode Time shows the percentage of the sample interval that the processes in the Job object spent executing code in kernel or privileged mode.
1509
This Period mSec – Processor shows the time, in milliseconds, of processor time used by all the processes in the Job object, including those that have terminated or that are no longer associated with the Job object, since a time limit on the Job was established.
1511
This Period mSec – User mode shows the time, in milliseconds, of user mode processor time used by all the processes in the Job object, including those that have terminated or that are no longer associated with the Job object, since a time limit on the Job was established.
1513
This Period mSec – Kernel mode shows the time, in milliseconds, of kernel mode processor time used by all the processes in the Job object, including those that have terminated or that are no longer associated with the Job object, since a time limit on the Job was established.
1515
Pages/Sec shows the page fault rate of all the processes in the Job object.
1517
Process Count – Total shows the number of processes, both active and terminated, that are or have been associated with the Job object.
1519
Process Count – Active shows the number of processes that are currently associated with the Job object.
1521
Process Count – Terminated shows the number of processes that have been terminated because of a limit violation.
1523
Total mSec – Processor shows the time, in milliseconds, of processor time used by all the processes in the Job object, including those that have terminated or that are no longer associated with the Job object, since the Job object was created.
1525
Total mSec – User mode shows the time, in milliseconds, of user mode processor time used by all the processes in the Job object, including those that have terminated or that are no longer associated with the Job object, since the Job object was created.
1527
Total mSec – Kernel mode shows the time, in milliseconds, of kernel mode processor time used by all the processes in the Job object, including those that have terminated or that are no longer associated with the Job object, since the Job object was created.
1537
Received Packet Too Big is the number of received packets thatare larger than anticipated.
1539
Received Membership Query is the number of packets received thatquery their membership to a group.
1541
Received Membership Report is the number of packets received thatreport their membership to a group.
1543
Received Membership Reduction is the number of packets received thatcancelled their membership to a group.
1545
Received Router Solicit is the number of packets received thatsolicit the router.
1547
Received Router Advert is the number of packets received thatadvert the router.
1549
% Job object Details shows detailed performance information about the active processes that make up a Job object.
1551
Received Neighbor Solicit is the number of packets received thatsolicit a neighbor.
1553
Received Neighbor Advert is the number of packets received thatadvert a neighbor.
1555
Sent Packet Too Big is the number of sent packets thatare larger than anticipated.
1557
Sent Membership Query is the number of packets sent thatquery their membership to a group.
1559
Sent Membership Report is the number of packets sent thatreport their membership to a group.
1561
Sent Membership Reduction is the number of packets sent thatcancelled their membership to a group.
1563
Sent Router Solicit is the number of packets sent thatsolicit the router.
1565
Sent Router Advert is the number of packets sent thatadvert the router.
1567
Sent Neighbor Solicit is the number of packets sent thatsolicit a neighbor.
1569
Sent Neighbor Advert is the number of packets sent thatadvert a neighbor.
1747
% Idle Time is the percentage of time the processor is idle during the sample interval
1749
% C1 Time is the percentage of time the processor spends in the C1 low-power idle state. % C1 Time is a subset of the total processor idle time. C1 low-power idle state enables the processor to maintain its entire context and quickly return to the running state. Not all systems support the % C1 state.
1751
% C2 Time is the percentage of time the processor spends in the C2 low-power idle state. % C2 Time is a subset of the total processor idle time. C2 low-power idle state enables the processor to maintain the context of the system caches. The C2 power state is a lower power and higher exit latency state than C1. Not all systems support the C2 state.
1753
% C3 Time is the percentage of time the processor spends in the C3 low-power idle state. % C3 Time is a subset of the total processor idle time. When the processor is in the C3 low-power idle state it is unable to maintain the coherency of its caches. The C3 power state is a lower power and higher exit latency state than C2. Not all systems support the C3 state.
1755
C1 Transitions/sec is the rate that the CPU enters the C1 low-power idle state. The CPU enters the C1 state when it is sufficiently idle and exits this state on any interrupt. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
1757
C2 Transitions/sec is the rate that the CPU enters the C2 low-power idle state. The CPU enters the C2 state when it is sufficiently idle and exits this state on any interrupt. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
1759
C3 Transitions/sec is the rate that the CPU enters the C3 low-power idle state. The CPU enters the C3 state when it is sufficiently idle and exits this state on any interrupt. This counter displays the difference between the values observed in the last two samples, divided by the duration of the sample interval.
1761
Heap performance counters for must used heaps
1763
Memory actively used by this heap (FreeBytes + AllocatedBytes)
1765
Total virtual address space reserved for this heap (includes uncommitted ranges)
1767
ReservedBytes minus last uncommitted range in each segment
1769
Memory on freelists in this heap (does not include uncommitted ranges or blocks in heap cache)
1771
Number of blocks on the list of free blocks >1k in size
1773
1/Average time per allocation (excluding allocs from heap cache)
1775
1/Average time per free (excluding frees to heap cache)
1777
Number of uncommitted ranges in the reserved virtual address
1779
Difference between number of allocations and frees (for leak detection)
1781
Allocations/sec from heap cache
1783
Frees/sec from heap cache
1785
Allocations/sec of size <1k bytes (including heap cache)
1787
Frees/sec of size <1k bytes (including heap cache)
1789
Allocations/sec of size 1-8k bytes
1791
Frees/sec of size 1-8k bytes
1793
Allocations/sec of size over 8k bytes
1795
Frees/sec of size over 8k bytes
1797
Allocations/sec (including from heap cache)
1799
Frees/sec (including to heap cache)
1801
Total number of blocks in the heap cache
1803
Largest number of blocks of any one size in the heap cache
1805
(FreeBytes / CommittedBytes) *100
1807
(VirtualBytes / ReservedBytes) * 100
1809
Collisions/sec on the heap lock
1847
End Marker
1849
Displays IPSec driver counters.
1851
The number of active IPSec quick mode security associations.
1853
The number of active IPSec quick mode security associations offloaded to hardware. Certain network adapters can accelerate IPSec processing by performing hardware offload of IPSec cryptographic functions.
1855
The number of IPSec key exchange operations that are in progress but are not yet completed.
1857
The total number of successful key additions for IPSec quick mode security association negotiations since the computer was last started.
1859
The total number of key deletions for IPSec quick mode security associations since the computer was last started.
1861
The total number of successful rekey operations for IPSec quick mode security associations since the computer was last started.
1863
The number of active IPSec tunnels.
1865
The total number of packets for which the Security Parameters Index (SPI) was incorrect since the computer was last started. A large number of packets with bad SPIs within a short amount of time might indicate a packet spoofing attack.
1867
The total number of packets that could not be decrypted since the computer was last started. A packet might not be decrypted if it fails a validation check.
1869
The total number of packets for which data could not be verified (for which the integrity hash verification failed) since the computer was last started. Increases in this counter might indicate an IPSec packet spoofing or modification attack, or packet corruption by network devices.
1871
The total number of packets that contained an invalid sequence number since the computer was last started. Increases in this counter might indicate a network problem or replay attack.
1873
The total number of bytes sent using the Encapsulating Security Payload (ESP) protocol (excluding non-encrypted ESP) since the computer was last started.
1875
The total number of bytes received using the Encapsulating Security Payload (ESP) protocol (excluding non-encrypted ESP) since the computer was last started.
1877
The total number of authenticated bytes sent using either the Authentication Header (AH) protocol or the Encapsulating Security Payload (ESP) protocol since the computer was last started.
1879
The total number of authenticated bytes received using either the Authentication Header (AH) protocol or Encapsulating Security Payload (ESP) protocol since the computer was last started.
1881
The total number of bytes sent using IPSec transport mode since the computer was last started.
1883
The total number of bytes received using IPSec transport mode since the computer was last started.
1885
The total number of bytes sent using IPSec tunnel mode since the computer was last started.
1887
The total number of bytes received using IPSec tunnel mode since the computer was last started.
1889
The total number of bytes sent using IPSec hardware offload since the computer was last started. Certain network adapters can accelerate IPSec processing by performing hardware offload of IPSec cryptographic functions.
1891
The total number of bytes received using IPSec hardware offload since the computer was last started. Certain network adapters can accelerate IPSec processing by performing hardware offload of IPSec cryptographic functions.
1893
Displays Internet Key Exchange (IKE) counters.
1895
The number of pending requests to initiate an Internet Key Exchange (IKE) negotiation in order to establish a security association between IPSec peers.
1897
The number of Internet Key Exchange (IKE) messages received that are queued for processing.
1899
The total number of acquire outbound requests that failed since the IPSec service was last started. Acquires are requests to establish security associations between IPSec peers.
1901
The total number of errors that have occurred in receiving Internet Key Exchange (IKE) messages since the IPSec service was last started.
1903
The total number of errors that have occurred in sending Internet Key Exchange (IKE) messages since the IPSec service was last started.
1905
The number of entries in the acquire heap. The acquire heap stores successful acquires. Acquires are outbound requests to establish security associations between IPSec peers.
1907
The number of entries in the Internet Key Exchange (IKE) receive buffers. The receive buffers are used to store incoming IKE messages.
1909
The total number of negotiation failures that occurred during main mode or quick mode negotiation since the IPSec service was last started.
1911
The total number of identity authentication (Kerberos, certificate, and preshared key) failures that occurred during main mode negotiation since the IPSec service was last started.
1913
The total number of cookies received within Internet Key Exchange (IKE) messages that could not be matched with an active main mode security association (SA) since the IPSec service was last started. A cookie is a value contained in a received IKE message that is used to help identify the corresponding main mode SA.
1915
The total number of requests submitted to Internet Key Exchange (IKE) since the IPSec service was last started to establish a security association. This counter includes acquires that result in soft SAs.
1917
The total number of requests submitted by Internet Key Exchange (IKE) to the IPSec driver to obtain a unique Security Parameters Index (SPI) since the IPSec service was last started. The SPI is used to match inbound packets with security associations.
1919
The total number of outbound quick mode security associations added by Internet Key Exchange (IKE) to the IPSec driver since the IPSec service was last started.
1921
The total number of inbound quick mode security associations added by Internet Key Exchange (IKE) to the IPSec driver since the IPSec service was last started.
1923
The total number of failed requests submitted by Internet Key Exchange (IKE) to the IPSec driver to obtain a unique SPI since the IPSec service was last started.
1925
The total number of failed outbound quick mode security association addition requests submitted by Internet Key Exchange (IKE) to the IPSec driver since the IPSec service was last started.
1927
The total number of failed inbound quick mode security association addition requests submitted by Internet Key Exchange (IKE) to the IPSec driver since the IPSec service was last started.
1929
The number of main mode state entries. This counter includes successfully negotiated main modes, main mode negotiations in progress, and main mode negotiations that failed or expired and have not yet been deleted.
1931
The number of quick mode negotiations that are in progress.
1933
The total number of successful security associations created during main mode negotiations since the IPSec service was last started.
1935
The total number of successful security associations created during quick mode negotiations since the IPSec service was last started.
1937
The total number of security associations (SAs) formed with computers that did not respond to main mode negotiation attempts (though IPSec policy allowed communications) since the IPSec service was last started. Packets that match soft SAs are not secured by IPSec.
1939
The total number of received Internet Key Exchange (IKE) messages since the IPSec service was last started that are invalid. This counter includes IKE messages with invalid header fields, incorrect payload lengths, and incorrect values for the responder cookie. Invalid IKE messages are commonly caused by retransmitted IKE messages or an unmatched preshared key between the IPSec peers.
1941
The RAS Object Type handles individual ports of the RAS device on your system.
1943
The number of bytes transmitted total for this connection.
1945
The number of bytes received total for this connection.
1947
The number of data frames transmitted total for this connection.
1949
The number of data frames received total for this connection.
1951
The compression ratio for bytes being transmitted.
1953
The compression ratio for bytes being received.
1955
The total number of CRC Errors for this connection. CRC Errors occur when the frame received contains erroneous data.
1957
The total number of Timeout Errors for this connection. Timeout Errors occur when an expected is not received in time.
1959
The total number of Serial Overrun Errors for this connection. Serial Overrun Errors occur when the hardware cannot handle the rate at which data is received.
1961
The total number of Alignment Errors for this connection. Alignment Errors occur when a byte received is different from the byte expected.
1963
The total number of Buffer Overrun Errors for this connection. Buffer Overrun Errors when the software cannot handle the rate at which data is received.
1965
The total number of CRC, Timeout, Serial Overrun, Alignment, and Buffer Overrun Errors for this connection.
1967
The number of bytes transmitted per second.
1969
The number of bytes received per second.
1971
The number of frames transmitted per second.
1973
The number of frames received per second.
1975
The total number of CRC, Timeout, Serial Overrun, Alignment, and Buffer Overrun Errors per second.
1977
The RAS Object Type handles all combined ports of the RAS device on your system.
1979
The total number of Remote Access connections.
1981
Terminal Services per-session resource monitoring.
1983
Number of bytes input on this session after all protocol overhead has been removed.
1985
The number of frames input after any additional protocol added frames have been removed.
1987
The number of times that a wait for an available send buffer was done by the protocols on the client side of the connection.
1989
Number of frames (packets) input on this Session.
1991
Number of bytes input on this session that includes all protocol overhead.
1993
Number of bytes input after compression. This number compared with the Total Bytes input is the compression ratio.
1995
Number of input compression dictionary flushes. When the data can not be compressed, the compression dictionary is flushed so that newer data has a better chance of being compressed. Some causes of data not compressing includes transferring compressed files over Client Drive Mapping.
1997
Number of input errors of all types. Some example input errors are lost ACK’s, badly formed packets, etc.
1999
The total number of timeouts on the communication line as seen from the client side of the connection. These are typically the result of a noisy line. On some high latency networks, this could be the result of the protocol timeout being too short. Increasing the protocol timeout on these types of lines will improve performance by reducing needless re-transmissions.
2001
Number of input async framing errors. These can be caused by a noisy transmission line. Using a smaller packet size may help in some cases.
2003
Number of input async overrun errors. These can be caused by the baud rate being faster than the computer can handle, or a non-16550 serial line is used. Overruns can also occur if too many high speed serial lines are active at one time for the processor’s power.
2005
Number of input async overflow errors. These can be caused by a lack of buffer space available on the host.
2007
Number of input async parity errors. These can be caused by a noisy transmission line
2009
Number of Terminal Services transport-level errors on input.
2011
Number of bytes output on this session after all protocol overhead has been removed.
2013
The number of frames output before any additional protocol frames have been added.
2015
This is the number of times that a wait for an available send buffer was done by the protocol on the server side of the connection.
2017
Number of frames (packets) output on this session.
2019
Number of bytes output on this Session that includes all protocol overhead.
2021
Number of bytes output after compression. This number compared with the Total Bytes output is the compression ratio.
2023
Number of output compression dictionary flushes. When the data can not be compressed, the compression dictionary is flushed so that newer data has a better chance of being compressed. Some causes of data not compressing includes transfering compressed files over Client Drive Mapping.
2025
Number of output errors of all types. Some example output errors are lost ACK’s, badly formed packets, etc.
2027
The total number of timeouts on the communication line from the host side of the connection. These are typically the result of a noisy line. On some high latency networks, this could be the result of the protocol timeout being too short. Increasing the protocol timeout on these types of lines will improve performance by reducing needless re-transmissions.
2029
Number of output async framing errors. This could be caused by a hardware or line problem.
2031
Number of output async overrun errors.
2033
Number of output async overflow errors.
2035
Number of output async parity errors. These can be caused by a hardware or line problem.
2037
Number of Terminal Services transport-level errors on output.
2039
Total number of bytes on this Session after all protocol overhead has been removed.
2041
The total number of frames input and output before any additional protocol frames have been added.
2043
The number of times that a wait for an available send buffer was done by the protocols on both the server and client sides of the connection.
2045
Total number of frames (packets) on this Session.
2047
Total number of bytes on this Session that includes all protocol overhead.
2049
Total number of bytes after compression. This number compared with the total bytes is the compression ratio.
2051
Total number of compression dictionary flushes. When the data can not be compressed, the compression dictionary is flushed so that newer data has a better chance of being compressed. Some causes of data not compressing includes transfering compressed files over Client Drive Mapping.
2053
Total number of errors of all types. Some example errors are lost ACK’s, badly formed packets, etc.
2055
The total number of timeouts on the communication line from both the host and client sides of the connection. These are typically the result of a noisy line. On some high latency networks, this could be the result of the protocol timeout being too short. Increasing the protocol timeout on these types of lines will improve performance by reducing needless re-transmissions.
2057
Total number of async framing errors. These can be caused by a noisy transmission line. Using a smaller packet size may help in some cases.
2059
Total number of async overrun errors. These can be caused by the baud rate being faster than the computer can handle, or a non-16550 serial line is used. Overruns can also occur if too many high speed serial lines are active at one time for the processor’s power.
2061
Total number of async overflow errors. These can be caused by a lack of buffer space available on the host.
2063
Total number of async parity errors. These can be caused by a noisy transmission line.
2065
Total number of Terminal Services transport-level errors.
2067
Total references to all protocol caches.
2069
Total hits in all protocol caches. The protocol caches Windows objects that are likely to be re-used to avoid having to re-send them on the transmission line. Example objects are Windows icons and brushes. Hits in the cache represent objects that did not need to be re-sent.
2071
Overall hit ratio for all protocol caches.
2073
Number of references to the protocol bitmap cache.
2075
Number of hits in the protocol bitmap cache.
2077
Hit ratio in the protocol bitmap cache. A higher hit ratio means better performance since data transmissions are reduced. Low hit ratios are due to the screen updating with new information that is either not re-used, or is flushed out of the client cache.
2079
Number of references to the protocol glyph cache.
2081
Number of hits in the protocol glyph cache.
2083
Hit ratio in the protocol glyph cache. A higher hit ratio means better performance since data transmissions are reduced. Low hit ratios are due to the screen updating with new information that is either not re-used, or is flushed out of the client cache.
2085
Number of references to the protocol brush cache.
2087
Number of hits in the protocol brush cache.
2089
Hit ratio in the protocol brush cache. A higher hit ratio means better performance since data transmissions are reduced. Low hit ratios are due to the screen updating with new information that is either not re-used, or is flushed out of the client cache.
2091
Number of references to the protocol save screen bitmap cache.
2093
Number of hits in the protocol save screen bitmap cache.
2095
Hit ratio in the protocol save screen bitmap cache. A higher hit ratio means better performance since data transmissions are reduced. Low hit ratios are due to the screen updating with new information that is either not re-used, or is flushed out of the client cache.
2097
Compression ratio of the server input data stream.
2099
Compression ratio of the server output data stream.
2101
Total compression ratio of the server data stream.
2103
Terminal Services summary information.
2105
Total number of Terminal Services sessions.
2107
Number of active Terminal Services sessions.
2109
Number of inactive Terminal Services sessions.
2145
.Net CLR Data
2147
Current number of connections, pooled or not.
2149
Current number of connections in all pools associated with the process.
2151
Current number of pools associated with the process.
2153
The highest number of connections in all pools since the process started.
2155
The total number of connection open attempts that have failed for any reason.
2157
The total number of command executes that have failed for any reason.
2159
Help not available.
2161
The cumulative total number of socket connections established for this process since the process was started.
2163
The cumulative total number of bytes received over all open socket connections since the process was started. This number includes data and any protocol information that is not defined by the TCP/IP protocol.
2165
The cumulative total number of bytes sent over all open socket connections since the process was started. This number includes data and any protocol information that is not defined by the TCP/IP protocol.
2167
The cumulative total number of datagram packets received since the process was started.
2169
The cumulative total number of datagram packets sent since the process was started.
2171
Counters for CLR Garbage Collected heap.
2173
This counter displays the number of times the generation 0 objects (youngest; most recently allocated) are garbage collected (Gen 0 GC) since the start of the application. Gen 0 GC occurs when the available memory in generation 0 is not sufficient to satisfy an allocation request. This counter is incremented at the end of a Gen 0 GC. Higher generation GCs include all lower generation GCs. This counter is explicitly incremented when a higher generation (Gen 1 or Gen 2) GC occurs. _Global_ counter value is not accurate and should be ignored. This counter displays the last observed value.
2175
This counter displays the number of times the generation 1 objects are garbage collected since the start of the application. The counter is incremented at the end of a Gen 1 GC. Higher generation GCs include all lower generation GCs. This counter is explicitly incremented when a higher generation (Gen 2) GC occurs. _Global_ counter value is not accurate and should be ignored. This counter displays the last observed value.
2177
This counter displays the number of times the generation 2 objects (older) are garbage collected since the start of the application. The counter is incremented at the end of a Gen 2 GC (also called full GC). _Global_ counter value is not accurate and should be ignored. This counter displays the last observed value.
2179
This counter displays the bytes of memory that survive garbage collection (GC) and are promoted from generation 0 to generation 1; objects that are promoted just because they are waiting to be finalized are not included in this counter. This counter displays the value observed at the end of the last GC; its not a cumulative counter.
2181
This counter displays the bytes of memory that survive garbage collection (GC) and are promoted from generation 1 to generation 2; objects that are promoted just because they are waiting to be finalized are not included in this counter. This counter displays the value observed at the end of the last GC; its not a cumulative counter. This counter is reset to 0 if the last GC was a Gen 0 GC only.
2183
This counter displays the bytes per second that are promoted from generation 0 (youngest) to generation 1; objects that are promoted just because they are waiting to be finalized are not included in this counter. Memory is promoted when it survives a garbage collection. This counter was designed as an indicator of relatively long-lived objects being created per sec. This counter displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2185
This counter displays the bytes per second that are promoted from generation 1 to generation 2 (oldest); objects that are promoted just because they are waiting to be finalized are not included in this counter. Memory is promoted when it survives a garbage collection. Nothing is promoted from generation 2 since it is the oldest. This counter was designed as an indicator of very long-lived objects being created per sec. This counter displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2187
This counter displays the bytes of memory that are promoted from generation 0 to generation 1 just because they are waiting to be finalized. This counter displays the value observed at the end of the last GC; its not a cumulative counter.
2189
This counter displays the bytes of memory that are promoted from generation 1 to generation 2 just because they are waiting to be finalized. This counter displays the value observed at the end of the last GC; its not a cumulative counter. This counter is reset to 0 if the last GC was a Gen 0 GC only.
2191
This counter displays the maximum bytes that can be allocated in generation 0 (Gen 0); its does not indicate the current number of bytes allocated in Gen 0. A Gen 0 GC is triggered when the allocations since the last GC exceed this size. The Gen 0 size is tuned by the Garbage Collector and can change during the execution of the application. At the end of a Gen 0 collection the size of the Gen 0 heap is infact 0 bytes; this counter displays the size (in bytes) of allocations that would trigger the next Gen 0 GC. This counter is updated at the end of a GC; its not updated on every allocation.
2193
This counter displays the current number of bytes in generation 1 (Gen 1); this counter does not display the maximum size of Gen 1. Objects are not directly allocated in this generation; they are promoted from previous Gen 0 GCs. This counter is updated at the end of a GC; its not updated on every allocation.
2195
This counter displays the current number of bytes in generation 2 (Gen 2). Objects are not directly allocated in this generation; they are promoted from Gen 1 during previous Gen 1 GCs. This counter is updated at the end of a GC; its not updated on every allocation.
2197
This counter displays the current size of the Large Object Heap in bytes. Objects greater than 20 KBytes are treated as large objects by the Garbage Collector and are directly allocated in a special heap; they are not promoted through the generations. This counter is updated at the end of a GC; its not updated on every allocation.
2199
This counter displays the number of garbage collected objects that survive a collection because they are waiting to be finalized. If these objects hold references to other objects then those objects also survive but are not counted by this counter; the “Promoted Finalization-Memory from Gen 0″ and “Promoted Finalization-Memory from Gen 1″ counters represent all the memory that survived due to finalization. This counter is not a cumulative counter; its updated at the end of every GC with count of the survivors during that particular GC only. This counter was designed to indicate the extra overhead that the application might incur because of finalization.
2201
This counter displays the current number of GC Handles in use. GCHandles are handles to resources external to the CLR and the managed environment. Handles occupy small amounts of memory in the GCHeap but potentially expensive unmanaged resources.
2203
This counter displays the rate of bytes per second allocated on the GC Heap. This counter is updated at the end of every GC; not at each allocation. This counter is not an average over time; it displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2205
This counter displays the peak number of times a garbage collection was performed because of an explicit call to GC.Collect. Its a good practice to let the GC tune the frequency of its collections.
2207
% Time in GC is the percentage of elapsed time that was spent in performing a garbage collection (GC) since the last GC cycle. This counter is usually an indicator of the work done by the Garbage Collector on behalf of the application to collect and compact memory. This counter is updated only at the end of every GC and the counter value reflects the last observed value; its not an average.
2209
Not Displayed.
2211
This counter is the sum of four other counters; Gen 0 Heap Size; Gen 1 Heap Size; Gen 2 Heap Size and the Large Object Heap Size. This counter indicates the current memory allocated in bytes on the GC Heaps.
2213
This counter displays the amount of virtual memory (in bytes) currently committed by the Garbage Collector. (Committed memory is the physical memory for which space has been reserved on the disk paging file).
2215
This counter displays the amount of virtual memory (in bytes) currently reserved by the Garbage Collector. (Reserved memory is the virtual memory space reserved for the application but no disk or main memory pages have been used.)
2217
This counter displays the number of pinned objects encountered in the last GC. This counter tracks the pinned objects only in the heaps that were garbage collected e.g. a Gen 0 GC would cause enumeration of pinned objects in the generation 0 heap only. A pinned object is one that the Garbage Collector cannot move in memory.
2219
This counter displays the current number of sync blocks in use. Sync blocks are per-object data structures allocated for storing synchronization information. Sync blocks hold weak references to managed objects and need to be scanned by the Garbage Collector. Sync blocks are not limited to storing synchronization information and can also store COM interop metadata. This counter was designed to indicate performance problems with heavy use of synchronization primitives.
2221
Statistics for CLR Class Loader.
2223
This counter displays the cumulative number of classes loaded in all Assemblies since the start of this application.
2225
Reserved for future use.
2227
Reserved for future use.
2229
This counter displays the peak number of classes that have failed to load since the start of the application. These load failures could be due to many reasons like inadequate security or illegal format. Full details can be found in the profiling services help.
2231
This counter displays the number of classes that failed to load per second. This counter is not an average over time; it displays the difference between the values observed in the last two samples divided by the duration of the sample interval. These load failures could be due to many reasons like inadequate security or illegal format. Full details can be found in the profiling services help.
2233
This counter displays the current size (in bytes) of the memory committed by the class loader across all AppDomains. (Committed memory is the physical memory for which space has been reserved on the disk paging file.)
2235
This counter displays the total number of AppDomains unloaded since the start of the application. If an AppDomain is loaded and unloaded multiple times this counter would count each of those unloads as separate.
2237
This counter displays the number of AppDomains unloaded per second. This counter is not an average over time; it displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2239
This counter displays the current number of classes loaded in all Assemblies.
2241
This counter displays the number of classes loaded per second in all Assemblies. This counter is not an average over time; it displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2243
This counter displays the current number of AppDomains loaded in this application. AppDomains (application domains) provide a secure and versatile unit of processing that the CLR can use to provide isolation between applications running in the same process.
2245
This counter displays the peak number of AppDomains loaded since the start of this application. AppDomains (application domains) provide a secure and versatile unit of processing that the CLR can use to provide isolation between applications running in the same process.
2247
This counter displays the number of AppDomains loaded per second. AppDomains (application domains) provide a secure and versatile unit of processing that the CLR can use to provide isolation between applications running in the same process. This counter is not an average over time; it displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2249
This counter displays the current number of Assemblies loaded across all AppDomains in this application. If the Assembly is loaded as domain-neutral from multiple AppDomains then this counter is incremented once only. Assemblies can be loaded as domain-neutral when their code can be shared by all AppDomains or they can be loaded as domain-specific when their code is private to the AppDomain.
2251
This counter displays the total number of Assemblies loaded since the start of this application. If the Assembly is loaded as domain-neutral from multiple AppDomains then this counter is incremented once only. Assemblies can be loaded as domain-neutral when their code can be shared by all AppDomains or they can be loaded as domain-specific when their code is private to the AppDomain.
2253
This counter displays the number of Assemblies loaded across all AppDomains per second. If the Assembly is loaded as domain-neutral from multiple AppDomains then this counter is incremented once only. Assemblies can be loaded as domain-neutral when their code can be shared by all AppDomains or they can be loaded as domain-specific when their code is private to the AppDomain. This counter is not an average over time; it displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2255
Stats for CLR Jit.
2257
This counter displays the total number of methods compiled Just-In-Time (JIT) by the CLR JIT compiler since the start of the application. This counter does not include the pre-jitted methods.
2259
This counter displays the total IL bytes jitted since the start of the application. This counter is exactly equivalent to the “Total # of IL Bytes Jitted” counter.
2261
This counter displays the total IL bytes jitted since the start of the application. This counter is exactly equivalent to the “# of IL Bytes Jitted” counter.
2263
This counter displays the rate at which IL bytes are jitted per second. This counter is not an average over time; it displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2265
This counter displays the peak number of methods the JIT compiler has failed to JIT since the start of the application. This failure can occur if the IL cannot be verified or if there was an internal error in the JIT compiler.
2267
This counter displays the percentage of elapsed time spent in JIT compilation since the last JIT compilation phase. This counter is updated at the end of every JIT compilation phase. A JIT compilation phase is the phase when a method and its dependencies are being compiled.
2269
Not Displayed.
2271
Stats for CLR interop.
2273
This counter displays the current number of Com-Callable-Wrappers (CCWs). A CCW is a proxy for the .NET managed object being referenced from unmanaged COM client(s). This counter was designed to indicate the number of managed objects being referenced by unmanaged COM code.
2275
This counter displays the current number of stubs created by the CLR. Stubs are responsible for marshalling arguments and return values from managed to unmanaged code and vice versa; during a COM Interop call or PInvoke call.
2277
This counter displays the total number of times arguments and return values have been marshaled from managed to unmanaged code and vice versa since the start of the application. This counter is not incremented if the stubs are inlined. (Stubs are responsible for marshalling arguments and return values). Stubs usually get inlined if the marshalling overhead is small.
2279
Reserved for future use.
2281
Reserved for future use.
2283
Stats for CLR Locks and Threads.
2285
This counter displays the total number of times threads in the CLR have attempted to acquire a managed lock unsuccessfully. Managed locks can be acquired in many ways; by the “lock” statement in C# or by calling System.Monitor.Enter or by using MethodImplOptions.Synchronized custom attribute.
2287
Rate at which threads in the runtime attempt to acquire a managed lock unsuccessfully. Managed locks can be acquired in many ways; by the “lock” statement in C# or by calling System.Monitor.Enter or by using MethodImplOptions.Synchronized custom attribute.
2289
This counter displays the total number of threads currently waiting to acquire some managed lock in the application. This counter is not an average over time; it displays the last observed value.
2291
This counter displays the total number of threads that waited to acquire some managed lock since the start of the application.
2293
This counter displays the number of threads per second waiting to acquire some lock in the application. This counter is not an average over time; it displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2295
This counter displays the number of current .NET thread objects in the application. A .NET thread object is created either by new System.Threading.Thread or when an unmanaged thread enters the managed environment. This counters maintains the count of both running and stopped threads. This counter is not an average over time; it just displays the last observed value.
2297
This counter displays the number of native OS threads created and owned by the CLR to act as underlying threads for .NET thread objects. This counters value does not include the threads used by the CLR in its internal operations; it is a subset of the threads in the OS process.
2299
This counter displays the number of threads that are currently recognized by the CLR; they have a corresponding .NET thread object associated with them. These threads are not created by the CLR; they are created outside the CLR but have since run inside the CLR at least once. Only unique threads are tracked; threads with same thread ID re-entering the CLR or recreated after thread exit are not counted twice.
2301
This counter displays the total number of threads that have been recognized by the CLR since the start of this application; these threads have a corresponding .NET thread object associated with them. These threads are not created by the CLR; they are created outside the CLR but have since run inside the CLR at least once. Only unique threads are tracked; threads with same thread ID re-entering the CLR or recreated after thread exit are not counted twice.
2303
This counter displays the number of threads per second that have been recognized by the CLR; these threads have a corresponding .NET thread object associated with them. These threads are not created by the CLR; they are created outside the CLR but have since run inside the CLR at least once. Only unique threads are tracked; threads with same thread ID re-entering the CLR or recreated after thread exit are not counted twice. This counter is not an average over time; it displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2305
Stats for CLR Security.
2307
This counter displays the total number of runtime Code Access Security (CAS) checks performed since the start of the application. Runtime CAS checks are performed when a caller makes a call to a callee demanding a particular permission; the runtime check is made on every call by the caller; the check is done by examining the current thread stack of the caller. This counter used together with “Stack Walk Depth” is indicative of performance penalty for security checks.
2309
Reserved for future use.
2311
This counter displays the total number of linktime Code Access Security (CAS) checks since the start of the application. Linktime CAS checks are performed when a caller makes a call to a callee demanding a particular permission at JIT compile time; linktime check is performed once per caller. This count is not indicative of serious performance issues; its indicative of the security system activity.
2313
This counter displays the percentage of elapsed time spent in performing runtime Code Access Security (CAS) checks since the last such check. CAS allows code to be trusted to varying degrees and enforces these varying levels of trust depending on code identity. This counter is updated at the end of a runtime security check; it represents the last observed value; its not an average.
2315
Not Displayed.
2317
This counter displays the depth of the stack during that last runtime Code Access Security check. Runtime Code Access Security check is performed by crawling the stack. This counter is not an average; it just displays the last observed value.
2319
Stats for CLR Remoting.
2321
This counter displays the number of remote procedure calls invoked per second. A remote procedure call is a call on any object outside the caller;s AppDomain. This counter is not an average over time; it displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2323
This counter displays the total number of remoting channels registered across all AppDomains since the start of the application. Channels are used to transport messages to and from remote objects.
2325
This counter displays the total number of remoting proxy objects created in this process since the start of the process. Proxy object acts as a representative of the remote objects and ensures that all calls made on the proxy are forwarded to the correct remote object instance.
2327
This counter displays the current number of context-bound classes loaded. Classes that can be bound to a context are called context-bound classes; context-bound classes are marked with Context Attributes which provide usage rules for synchronization; thread affinity; transactions etc.
2329
This counter displays the number of context-bound objects allocated per second. Instances of classes that can be bound to a context are called context-bound objects; context-bound classes are marked with Context Attributes which provide usage rules for synchronization; thread affinity; transactions etc. This counter is not an average over time; it displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2331
This counter displays the current number of remoting contexts in the application. A context is a boundary containing a collection of objects with the same usage rules like synchronization; thread affinity; transactions etc.
2333
This counter displays the total number of remote procedure calls invoked since the start of this application. A remote procedure call is a call on any object outside the caller;s AppDomain.
2335
Runtime statistics on CLR exception handling.
2337
This counter displays the total number of exceptions thrown since the start of the application. These include both .NET exceptions and unmanaged exceptions that get converted into .NET exceptions e.g. null pointer reference exception in unmanaged code would get re-thrown in managed code as a .NET System.NullReferenceException; this counter includes both handled and unhandled exceptions. Exceptions that are re-thrown would get counted again. Exceptions should only occur in rare situations and not in the normal control flow of the program.
2339
This counter displays the number of exceptions thrown per second. These include both .NET exceptions and unmanaged exceptions that get converted into .NET exceptions e.g. null pointer reference exception in unmanaged code would get re-thrown in managed code as a .NET System.NullReferenceException; this counter includes both handled and unhandled exceptions. Exceptions should only occur in rare situations and not in the normal control flow of the program; this counter was designed as an indicator of potential performance problems due to large (>100s) rate of exceptions thrown. This counter is not an average over time; it displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2341
This counter displays the number of .NET exception filters executed per second. An exception filter evaluates whether an exception should be handled or not. This counter tracks the rate of exception filters evaluated; irrespective of whether the exception was handled or not. This counter is not an average over time; it displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2343
This counter displays the number of finally blocks executed per second. A finally block is guaranteed to be executed regardless of how the try block was exited. Only the finally blocks that are executed for an exception are counted; finally blocks on normal code paths are not counted by this counter. This counter is not an average over time; it displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2345
This counter displays the number of stack frames traversed from the frame that threw the .NET exception to the frame that handled the exception per second. This counter resets to 0 when an exception handler is entered; so nested exceptions would show the handler to handler stack depth. This counter is not an average over time; it displays the difference between the values observed in the last two samples divided by the duration of the sample interval.
2407
Microsoft Distributed Transaction Coordinator performance counters
2409
Number of currently active transactions
2411
Number of committed transactions
2413
Number of aborted transactions
2415
Number of in doubt transactions
2417
Maximum number of transactions ever concurrently active
2419
Number of transactions committed by the system administrator
2421
Number of transactions aborted by the system administrator
2423
Minimum time delta between transaction begin and commit
2425
Average time delta between transaction begin and commit
2427
Maximum time delta between transaction begin and commit
2429
Transactions performed per second
2431
Transactions committed per second
2433
Transactions aborted per second
2435
The Internet Information Services Global object includes counters that monitor Internet Information Services (the Web service and the FTP service) as a whole.
2437
Total requests allowed by bandwidth throttling settings (counted since service startup).
2439
Total requests temporarily blocked due to bandwidth throttling settings (counted since service startup).
2441
Total requests rejected due to bandwidth throttling settings (counted since service startup).
2443
Current requests temporarily blocked due to bandwidth throttling settings.
2445
Measured bandwidth of asynchronous I/O averaged over a minute.
2447
Current number of files whose content is in the cache for WWW and FTP services.
2449
Total number of files whose content was ever added to the cache for WWW and FTP services
2451
Total number of successful lookups in the file cache.
2453
Total number of unsuccessful lookups in the file cache.
2455
The ratio of File Cache Hits to total cache requests.
2459
File Cache Flushes since server startup.
2461
Current number of bytes used for file cache.
2463
Maximum number of bytes used for file cache.
2465
Active Flushed Entries are cached file handles that will be closed when all current transfers complete.
2467
Total Flushed Files is the number of file handles that have been removed from the cache since service start up.
2469
URI information blocks currently in the cache for WWW and FTP services.
2471
Total number of URI information blocks ever added to the cache for WWW and FTP services
2473
Total number of successful lookups in the URI cache.
2475
Total number of unsuccessful lookups in the URI cache.
2477
The ratio of URI Cache Hits to total cache requests.
2481
URI Cache Flushes since server startup.
2483
Total Flushed URIs is the number of URI information blocks that have been removed from the cache since service start up.
2485
BLOB information blocks currently in the cache for WWW and FTP services.
2487
Total number of BLOB information blocks ever added to the cache for WWW and FTP services
2489
Total number of successful lookups in the BLOB cache.
2491
Total number of unsuccessful lookups in the BLOB cache.
2493
The ratio of BLOB Cache Hits to total cache requests.
2497
BLOB Cache Flushes since server startup.
2499
Total Flushed BLOBs is the number of BLOB information blocks that have been removed from the cache since service start up.
2501
The Web Service object includes counters specific to the World Wide Web Publishing Service.
2503
Total Bytes Sent is the number of data bytes that have been sent by the Web service (since service startup).
2505
Bytes Sent/sec is the rate data bytes are being sent by the Web service.
2507
Total Bytes Received is the number of data bytes that have been received by the Web service (since service startup).
2509
Bytes Received/sec is the rate that data bytes are received by the Web service.
2511
Total bytes either received or sent by the Web service (since service startup).
2513
Bytes Total/sec is the sum of Bytes Sent/sec and Bytes Received/sec. This is the total rate of bytes transferred by the Web service.
2515
Total Files Sent is the total number of files sent by the Web service (since service startup).
2517
The rate files are sent by the Web service.
2519
Total Files Received is the total number of files received by the Web service (since service startup).
2521
The rate files are received by the Web service.
2523
Total Files Transferred is the sum of Files Sent and Files Received (since service startup).
2525
The rate files are transferred, that is, sent and received by the Web service.
2527
Current Anonymous Users is the number of users who currently have an anonymous connection using the Web service.
2529
Current NonAnonymous Users is the number of users who currently have a non-anonymous connection using the Web service.
2531
Total Anonymous Users is the total number of users who established an anonymous connection with the Web service (since service startup).
2533
The rate users are making anonymous connections to the Web service.
2535
Total NonAnonymous Users is the total number of users who established a non-anonymous connection with the Web service (since service startup).
2537
The rate users are making non-anonymous connections to the Web service.
2539
Maximum Anonymous Users is the maximum number of users who established concurrent anonymous connections using the Web service (since service startup).
2541
Maximum NonAnonymous Users is the maximum number of concurrent non-anonymous connections to the Web service (since service startup).
2543
Current Connections is the current number of connections established with the Web service.
2545
Maximum Connections is the maximum number of concurrent connections established with the Web service (since service startup).
2547
Total Connection Attempts is the number of connections that have been attempted using the Web service (since service startup). This counter is for all instances listed.
2549
The rate that connections to the Web service are being attempted.
2551
Total Logon Attempts is the number of logons attempts to the Web Service (since service startup).
2553
The rate that logons to the Web service are being attempted.
2555
Total Options Requests is the number of HTTP requests using the OPTIONS method (since service startup).
2557
The rate HTTP requests using the OPTIONS method are made.
2559
Total Get Requests is the number of HTTP requests using the GET method (since service startup). Get requests are the most common HTTP request.
2561
The rate HTTP requests using the GET method are made. Get requests are the most common HTTP request.
2563
Total Post Requests is the number of HTTP requests using the POST method (since service startup).
2565
The rate HTTP requests using the POST method are made.
2567
Total Head Requests is the number of HTTP requests using the HEAD method (since service startup). Head requests generally indicate a client is querying the state of a document they already have to see if it needs to be refreshed.
2569
The rate HTTP requests using the HEAD method are made. Head requests generally indicate a client is querying the state of a document they already have to see if it needs to be refreshed.
2571
Total Put Requests is the number of HTTP requests using the PUT method (since service startup).
2573
The rate HTTP requests using the PUT method are made.
2575
Total Delete Requests is the number of HTTP requests using the DELETE method (since service startup). Delete requests are generally used for file removals.
2577
The rate HTTP requests using the DELETE method are made. Delete requests are generally used for file removals.
2579
Total Trace Requests is the number of HTTP requests using the TRACE method (since service startup). Trace requests allow the client to see what is being received at the end of the request chain and use the information for diagnostic purposes.
2581
The rate HTTP requests using the TRACE method are made. Trace requests allow the client to see what is being received at the end of the request chain and use the information for diagnostic purposes.
2583
Total Move Requests is the number of HTTP requests using the MOVE method (since service startup). Move requests are used for moving files and directories.
2585
The rate HTTP requests using the MOVE method are made. Move requests are used for moving files and directories.
2587
Total Copy Requests is the number of HTTP requests using the COPY method (since service startup). Copy requests are used for copying files and directories.
2589
The rate HTTP requests using the COPY method are made. Copy requests are used for copying files and directories.
2591
Total Mkcol Requests is the number of HTTP requests using the MKCOL method (since service startup). Mkcol requests are used to create directories on the server.
2593
The rate HTTP requests using the MKCOL method are made. Mkcol requests are used to create directories on the server.
2595
Total Propfind Requests is the number of HTTP requests using the PROPFIND method (since service startup). Propfind requests retrieve property values on files and directories.
2597
The rate HTTP requests using the PROPFIND method are made. Propfind requests retrieve property values on files and directories.
2599
Total Proppatch Requests is the number of HTTP requests using the PROPPATCH method (since service startup). Proppatch requests set property values on files and directories.
2601
The rate HTTP requests using the PROPPATCH method are made. Proppatch requests set property values on files and directories.
2603
Total Search Requests is the number of HTTP requests using the SEARCH method (since service startup). Search requests are used to query the server to find resources that match a set of conditions provided by the client.
2605
The rate HTTP requests using the SEARCH method are made. Search requests are used to query the server to find resources that match a set of conditions provided by the client.
2607
Total Lock Requests is the number of HTTP requests using the LOCK method (since service startup). Lock requests are used to lock a file for one user so that only that user can modify the file.
2609
The rate HTTP requests using the LOCK method are made. Lock requests are used to lock a file for one user so that only that user can modify the file.
2611
Total Unlock Requests is the number of HTTP requests using the UNLOCK method (since service startup). Unlock requests are used to remove locks from files.
2613
The rate HTTP requests using the UNLOCK method are made. Unlock requests are used to remove locks from files.
2615
Total Other Request Methods is the number of HTTP requests that are not OPTIONS, GET, HEAD, POST, PUT, DELETE, TRACE, MOVE, COPY, MKCOL, PROPFIND, PROPPATCH, SEARCH, LOCK or UNLOCK methods (since service startup).
2617
The rate HTTP requests are made that do not use the OPTIONS, GET, HEAD, POST, PUT, DELETE, TRACE, MOVE, COPY, MKCOL, PROPFIND, PROPPATCH, SEARCH, LOCK or UNLOCK methods.
2619
Total Method Requests is the number of all HTTP requests (since service startup).
2621
The rate HTTP requests are received.
2623
Total CGI requests is the total number of CGI requests (since service startup).
2625
The rate CGI requests are received by the Web service.
2627
Total ISAPI Extension Requests received (since service startup).
2629
The rate that ISAPI Extension requests are received by the Web service.
2631
Total Not Found Errors is the number of requests that couldn’t be satisfied by the server because the requested document could not be found (since service startup). These are generally reported as an HTTP 404 error code to the client.
2633
The rate of errors due to requests that couldn’t be satisfied by the server because the requested document could not be found. These are generally reported as an HTTP 404 error code to the client.
2635
Total Locked Errors is the number of requests that couldn’t be satisfied by the server because the requested was locked (since service startup). These are generally reported as an HTTP 423 error code to the client.
2637
The rate of errors due to requests that couldn’t be satisfied by the server because the requested document was locked. These are generally reported as an HTTP 423 error code to the client.
2639
Current CGI Requests is the current number of CGI requests being simultaneously processed by the Web service.
2641
Current ISAPI Extension Requests is the current number of ISAPI requests being simultaneously processed by the Web service.
2643
Maximum CGI Requests is the maximum number of CGI requests simultaneously processed by the Web service (since service startup).
2645
Maximum ISAPI Extension Requests is the maximum number of ISAPI requests simultaneously processed by the Web service (since service startup).
2647
This counter is no longer valid. Value will always be zero.
2649
This counter is no longer valid. Value will always be zero.
2651
This counter is no longer valid. Value will always be zero.
2653
This counter is no longer valid. Value will always be zero.
2655
This counter is no longer valid. Value will always be zero.
2657
Total requests temporarily blocked due to bandwidth throttling settings (since service startup).
2659
Total requests allowed by bandwidth throttling settings (since service startup).
2661
Total requests rejected due to bandwidth throttling settings (since service startup).
2663
Current requests temporarily blocked due to bandwidth throttling settings.
2665
This counter is no longer valid. Value will always be zero.
2667
Measured bandwidth of asynchronous I/O averaged over a minute.
2669
Total bytes blocked due to bandwidth throttling settings (since service startup).
2671
Current bytes temporarily blocked due to bandwidth throttling settings.
2673
The length of time the Web Service has been running.
2675
The Web Service Cache Counters object includes cache counters specific to the World Wide Web Publishing Service.
2677
Current number of files whose content is in the user-mode cache.
2679
Total number of files whose content was ever added to the user-mode cache (since service startup).
2681
Total number of successful lookups in the user-mode file cache (since service startup).
2683
Total number of unsuccessful lookups in the user-mode file cache (since service startup).
2685
The ratio of user-mode file cache hits to total cache requests (since service startup).
2689
The number of files removed from the user-mode cache (since service startup).
2691
Current number of bytes used for the user-mode file cache.
2693
Maximum number of bytes used for user-mode file cache (since service startup).
2695
Active Flushed Entries are file handles cached in user-mode that will be closed when all current transfers complete.
2697
Total Flushed Files is the number of file handles that have been removed from the user-mode cache (since service startup).
2699
URI information blocks currently in the user-mode cache.
2701
Total number of URI information blocks added to the user-mode cache (since service startup).
2703
Total number of successful lookups in the user-mode URI cache (since service startup).
2705
Total number of unsuccessful lookups in the user-mode URI cache (since service startup).
2707
The ratio of user-mode URI Cache Hits to total cache requests (since service startup).
2711
User-mode URI Cache flushes (since service startup).
2713
The number of URI information blocks that have been removed from the user-mode cache (since service startup).
2715
Current number of metadata information blocks currently in the user-mode cache.
2717
Total number of metadata information blocks added to the user-mode cache (since service startup).
2719
Total number of successful lookups in the user-mode metadata cache (since service startup).
2721
Total number of unsuccessful lookups in the user-mode metadata cache (since service startup).
2723
The ratio of user-mode metadata cache hits to total cache requests (since service startup).
2727
The number of user-mode metadata cache flushes (since service startup).
2729
Total Flushed Metadata is the number of Metadata information blocks that have been removed from the user-mode cache (since service startup).
2731
URI information blocks currently cached by the kernel.
2733
Total number of URI information blocks added to the kernel cache (since service startup).
2735
Total number of successful lookups in the kernel URI cache (since service startup).
2737
The rate of kernel URI Cache hits.
2739
Total number of unsuccessful lookups in the kernel URI cache (since service startup).
2741
The ratio of kernel URI cache hits to total cache requests (since service startup).
2745
Kernel URI Cache Flushes (since server startup).
2747
The number of URI information blocks that have been removed from the kernel cache (since service startup).
2749
The Active Server Pages Object Type handles the Active Server Pages device on your system.
2751
Number of debugging document requests.
2753
Number of requests failed due to runtime errors.
2755
Number of requests failed due to preprocessor errors.
2757
Number of requests failed due to script compilation errors.
2759
The number of errors per second.
2761
The total size, in bytes, of all requests.
2763
The total size, in bytes, of responses sent to clients. This does not include standard HTTP response headers.
2765
The number of milliseconds that it took to execute the most recent request.
2767
The number of milliseconds the most recent request was waiting in the queue.
2769
The number of requests that were disconnected due to communication failure.
2771
The number of requests currently executing.
2773
The total number of requests failed due to errors, authorization failure, and rejections.
2775
Number of requests failed due to insufficient access rights.
2777
The number of requests for files that were no found.
2779
The number of requests waiting for service from the queue.
2781
The total number of requests not executed because there were insufficient resources to process them.
2783
The number of requests that executed successfully.
2785
The number of requests that timed out.
2787
The total number of requests since the service was started.
2789
The number of requests executed per second.
2791
The number of script engines in cache.
2793
The number of milliseconds that the most recent session persisted.
2795
The current number of sessions being serviced.
2797
The number of sessions timed out.
2799
The total number of sessions since the service was started.
2801
The number of templates currently cached.
2803
Percent of requests found in template cache.
2807
The number of templates invalidated in the cache due to change notification.
2809
The number of transactions aborted.
2811
The number of transactions committed.
2813
Number of transactions in progress.
2815
The total number of transactions since the service was started.
2817
Transactions started per second.
2819
The number of compiled templates cached in memory.
2821
Percent of requests found in cached in memory.
2825
Percent of requests found in script engine cache.
2829
The number of engines invalidated in the cache due to change notification.
2831
Statistics for the Message Queuing service on the selected computer.
2833
The total number of open network sessions involving the selected computer.
2835
The number of open IP sessions involving the selected computer.
2837
The number of open outgoing HTTP sessions involving the selected computer.
2839
The number of open incoming multicast sessions involving the selected computer.
2841
The number of open outgoing multicast sessions involving the selected computer.
2843
The rate at which incoming Message Queuing messages are placed in queues on the selected computer by the Message Queuing service.
2845
The total number of incoming Message Queuing messages placed in queues on the selected computer by the Message Queuing service.
2847
The rate at which outgoing Message Queuing messages are sent from the selected computer by the Message Queuing service.
2849
The total number of outgoing Message Queuing messages sent from the selected computer by the Message Queuing service.
2851
The total number of Message Queuing messages residing in active queues on the selected computer.
2853
The total number of bytes in all Message Queuing messages residing in active queues on the selected computer.
2855
Statistics about active sessions between computers running Message Queuing
2857
The rate at which Message Queuing messages are arriving at the computer in the selected session.
2859
The rate at which Message Queuing messages are being sent from the computer in the selected session.
2861
The rate at which bytes are arriving at the computer in the selected session. Only bytes in Message Queuing messages are counted.
2863
The rate at which bytes are being sent from the computer in the selected session. Only bytes in Message Queuing messages are counted.
2865
The total number of Message Queuing messages that arrived at the computer in the selected session.
2867
The total number of bytes that arrived at the computer in the selected session. Only bytes in Message Queuing messages are counted.
2869
The total number of Message Queuing messages that were sent from the computer in the selected session.
2871
The total number of bytes that were sent from the computer in the selected session. Only bytes in Message Queuing messages are counted.
2873
Message statistics for the selected Message Queuing queue
2875
The total number of Message Queuing messages that currently reside in the selected queue. For the Computer Queues instance, this counter represents the dead-letter queue.
2877
The total number of bytes in all Message Queuing messages that currently reside in the selected queue. For the Computer Queues instance, this counter represents the dead-letter queue.
2879
The total number of Message Queuing messages that currently reside in the selected journal. For the Computer Queues instance, this counter represents the computer journal.
2881
The total number of bytes in all Message Queuing messages that currently reside in the selected journal. For the Computer Queues instance, this counter represents the computer journal.
2885
The total number of sync requests received.
2887
The total number of sync requests that were answered.
2889
The total number of replication requests received.
2891
The total number of replication requests sent.
2893
The total number of times the MQIS was accessed.
2895
The total number of write requests sent.
2897
The total number MQIS accesses that resulted in an error reply by MQIS.
2899
Statistics about incoming HTTP Message Queuing messages.
2901
The rate at which HTTP Message Queuing messages are arriving at the computer.
2903
The rate at which message bytes are arriving at the computer in the incoming HTTP connection.
2905
The total number of HTTP Message Queuing messages that arrived at the computer.
2907
The total number of message bytes that arrived at the computer in the incoming HTTP connection.
2909
Statistics about active HTTP sessions between this computer and other computers running Message Queuing.
2911
The rate at which Message Queuing messages are being sent from the computer in the selected outgoing HTTP session.
2913
The rate at which message bytes are being sent from the computer in the selected outgoing HTTP session.
2915
The total number of Message Queuing messages that were sent from the computer in the selected outgoing HTTP session.
2917
The total number of message bytes that were sent from the computer in the selected outgoing HTTP session.
2919
Statistics about active outgoing multicast sessions.
2921
The rate at which Message Queuing messages are being sent from the computer in the selected session.
2923
The rate at which message bytes are being sent from the computer in the selected session.
2925
The total number of Message Queuing messages that were sent from the computer in the selected session.
2927
The total number of message bytes that were sent from the computer in the selected session.
2929
Statistics about active incoming multicast sessions.
2931
The rate at which Message Queuing messages are arriving at the computer in the selected session.
2933
The rate at which message bytes are arriving at the computer in the selected session.
2935
The total number of Message Queuing messages that arrived at the computer in the selected session.
2937
The total number of message bytes that arrived at the computer in the selected session.
2939
The FTP Service object includes counters specific to the FTP Publishing Service.
2941
Bytes Sent/sec is the rate that data bytes are sent by the FTP service.
2943
Bytes Received/sec is the rate that data bytes are received by the FTP service.
2945
Bytes Total/sec is the sum of Bytes Sent/sec and Bytes Received/sec. This is the total rate of bytes transferred by the FTP service.
2947
Total Files Sent is the total number of files sent by the FTP service since service startup.
2949
Total Files Received is the total number of files received by the FTP service since service startup.
2951
Total Files Transferred is the sum of Files Sent and Files Received. This is the total number of files transferred by the FTP service since service startup.
2953
Current Anonymous Users is the number of users who currently have an anonymous connection using the FTP service.
2955
Current NonAnonymous Users is the number of users who currently have a non-anonymous connection using the FTP service.
2957
Total Anonymous Users is the total number of users who established an anonymous connection with the FTP service (since service startup).
2959
Total NonAnonymous Users is the total number of users who established a non-anonymous connection with the FTP service (since service startup).
2961
Maximum Anonymous Users is the maximum number of users who established concurrent anonymous connections using the FTP service (since service startup).
2963
Maximum NonAnonymous Users is the maximum number of users who established concurrent non-anonymous connections using the FTP service (since service startup).
2965
Current Connections is the current number of connections established with the FTP service.
2967
Maximum Connections is the maximum number of simultaneous connections established with the FTP service.
2969
Total Connection Attempts is the number of connections that have been attempted using the FTP service (since service startup). This counter is for all instances listed.
2971
Total Logon Attempts is the number of logons that have been attempted using the FTP service (since service startup).
2973
FTP Serive and FTP site uptime in seconds.
2975
The counters specific to the SMTP Server.
2977
The total number of bytes sent.
2979
The rate that bytes are sent.
2981
The total number of bytes received.
2983
The rate that bytes are received.
2985
The total number of bytes sent and received.
2987
The rate that bytes are sent and received.
2989
The total number of bytes sent in messages.
2991
The rate that bytes are sent in messages.
2993
The total number of bytes received in messages.
2995
The rate that bytes are received in messages.
2997
The total number of bytes sent and received in messages.
2999
The rate that bytes are sent and received in messages.
3001
The total number of inbound messages accepted.
3003
The rate that inbound messages are being received.
3005
The average number of recipients per inbound message received.
3007
Base Avg Recipients/msg Received (SHOULD BE HIDDEN)
3009
The percentage of recipients that will be delivered locally.
3011
Base % Recipients Local (SHOULD BE HIDDEN)
3013
The percentage of recipients that will be delivered remotely.
3015
Base % Recipients Remote (SHOULD BE HIDDEN)
3017
The total number of messages rejected because they were too big.
3019
The total number of messages refused due to no address objects.
3021
The total number of messages refused due to no mail objects.
3023
The total number of messages delivered to local mailboxes.
3025
The rate that messages are delivered to local mailboxes.
3027
The total number of local deliveries that were retried.
3029
The average number of retries per local delivery.
3031
Base Avg Retries/msg Delivered (SHOULD BE HIDDEN)
3033
The total number of messages retrieved from the mail pick-up directory.
3035
The rate that messages are being retrieved from the mail pick-up directory.
3037
The number of non-delivery reports that have been generated.
3039
The number of messages in the local queue.
3041
The number of messages in the local retry queue.
3043
Number of handles to open mail files.
3045
Number of handles to open queue files.
3047
The number of messages in the categorizer queue.
3049
The total number of outbound messages sent.
3051
The rate that outbound messages are being sent.
3053
The total number of outbound message sends that were retried.
3055
The average number of retries per outbound message sent.
3057
Base Avg Retries/msg Sent (SHOULD BE HIDDEN)
3059
The average number of recipients per outbound messages sent.
3061
Base Avg Recipients/msg Sent (SHOULD BE HIDDEN)
3063
The number of messages in the remote queue.
3065
The total number of DNS lookups.
3067
The rate of DNS lookups.
3069
The number of messages in the retry queue for remote delivery.
3073
The total number of inbound connections received.
3075
The total number of connections currently inbound.
3077
The total number of outbound connections attempted.
3079
The number of connections currently outbound.
3081
The number of outbound connection attempts refused by remote sites.
3083
The total number of connection errors.
3085
The number of connection errors per second.
3087
The total number of messages placed in a drop directory.
3089
The number of messages placed in a drop directory per second.
3091
The total number of routing table lookups.
3093
The number of routing table lookups per second.
3095
The total number of ETRN messages received by the server.
3097
The number of ETRN messages per second.
3099
The number of messages sent to badmail because they had no recipients.
3101
The number of messages sent to badmil becuase they had exceeded the maximum hop count.
3103
The number of messages sent to badmail for reasons not associated with a specific counter.
3105
The number of malformed pickup messages sent to badmail.
3107
The number of messages sent to badmail at the request of a server event sink.
3109
The number of Delivery Status Notifications sent to badmail becuase they could not be delivered.
3111
The number of messages that have been categorized but not routed.
3113
The number of messages that have been reported as currently undeliverable by routing.
3115
The total messages submitted to queuing for delivery.
3117
The total number of failed DSN generation attempts.
3119
The number of messages that are currently being processed by a server event sink for local delivery.
3121
The total number of messages submitted to the categorizer.
3123
The rate that messages are being submitted to the categorizer.
3125
The total number of messages submitted to categorizer that have finished categorization.
3127
The rate of categorizations completed.
3129
The number of categorizations in progress.
3131
The number of categorizations that completed without any errors.
3133
The number of categorizations that failed with a hard error (not retryable).
3135
The number of categorizations that failed with a retryable error.
3137
The number of categorizations that failed due to lack of available memory.
3139
The number of categorizations that failed due to a DS logon failure
3141
The number of categorizations that failed due to a DS connection failure
3143
The number of categorizations that failed with a generic retryable error
3145
The number of messages categorizer has submitted to queueing.
3147
The number of new messages created by the categorizer (bifurcation).
3149
The number of messages marked to be aborted by the categorizer.
3151
The number of mailmsg recipients submitted to categorizer.
3153
The number of mailmsg recipients submitted from categorizer to queueing.
3155
The number of recipients set to be NDRd by the categorizer.
3157
The number of unresolved recipients (local addresses not found).
3159
The number of recipients with addresses that match multiple DS objects.
3161
The number of recipients with illegal addresses detected by the categorizer.
3163
The number of recipients NDRd by the categorizer due to a forwarding loop detection.
3165
The number of recipients NDRd by the categorizer due to a generic recipient failure.
3167
The number of recipients the categorizer is currently processing.
3169
The number of senders not found in the DS.
3171
The number of senders with addresses that match multiple DS objects.
3173
The number of DS lookups for individual addresses
3175
The number of address lookups dispatched to the DS per second
3177
The number of address lookup completions processed
3179
The number of address lookup completions processed per second
3181
The number of address lookups that did not find any DS object
3183
The number of times a duplicate recipient address was detected by mailmsg/categorizer.
3185
The total number of LDAP connections opened
3187
The total number of failures encountered connection to LDAP servers
3189
The number of LDAP connections currently open
3191
The total number of successfull LDAP binds performed
3193
The total number of LDAP bind failures
3195
LDAP searches successfully dispatched
3197
LDAP searches successfully dispatched/sec
3199
LDAP paged searches successfully dispatched
3201
Number of failures to dispatch an async LDAP search
3203
Number of failures to dispatch an async paged LDAP search
3205
Number of LDAP search completions processed
3207
LDAP search completions processed/sec
3209
Number of paged LDAP completions processed
3211
Number of LDAP searches that completed with a failure
3213
Number of LDAP paged searches that completed with a failure
3215
Number of LDAP completions with a generic failure
3217
Number of LDAP searches abandoned
3219
Number of LDAP searches pending async completon
3221
This object represents global counters for the Exchange NTFS Store driver
3223
The current number of messages in the queue directory.
3225
The total number of messages allocated.
3227
The total number of messages deleted.
3229
The total number of messages enumerated during startup.
3231
The current number of open message bodies.
3233
The current number of open message streams.
3513
Indexing Service
3515
Number of word lists.
3517
Number of saved indexes.
3519
Size of the content index (*.ci files only) in megabytes.
3521
Number of files to be filtered and added to the index.
3523
Number of unique keys (words, etc.) in the index.
3525
Number of active query client connections.
3527
Percent merge complete for the current merge.
3529
Number of documents indexed since the index was mounted.
3531
Total number of documents in the index.
3533
Total number of queries since the index was mounted.
3535
Number of files not available and deferred for indexing.
3537
Indexing Service Filter
3539
Speed of indexing file contents and properties in megabytes per hour.
3541
Average time spent binding to indexing filters.
3543
Speed of indexing contents of files in megabytes per hour.
3545
Http Indexing Service
3547
Number of completed queries in cache.
3549
Percent of queries found in the query cache.
3551
Total cache accesses 1
3553
Percent of queries not found in the query cache.
3555
Total cache accesses 2
3557
Current number of running queries.
3559
Total number of queries run since service start.
3561
Number of queries per minute.
3563
Current number of query requests queued.
3565
Total number of query requests rejected.
5401
Number of WMI High Performance provider returned by WMI Adapter
5403
Shows High Performance Classes
5405
Shows if High Performance Classes are valid
5991
Counters for System.Data.OracleClient
5993
The number of actual connections per second that are being made to servers
5995
The number of actual disconnects per second that are being made to servers
5997
The number of connections we get from the pool per second
5999
The number of connections we return to the pool per second
6001
The number of connections that are not using connection pooling
6003
The number of connections that are managed by the connection pooler
6005
The number of unique connection strings
6007
The number of unique connection strings waiting for pruning
6009
The number of active connection pools
6011
The number of inactive connection pools
6013
The number of connections currently in-use
6015
The number of connections currently available for use
6017
The number of connections currently waiting to be made ready for use
6019
The number of connections we reclaim from GCed external connections
6021
Counters for System.Data.SqlClient
6023
The number of actual connections per second that are being made to servers
6025
The number of actual disconnects per second that are being made to servers
6027
The number of connections we get from the pool per second
6029
The number of connections we return to the pool per second
6031
The number of connections that are not using connection pooling
6033
The number of connections that are managed by the connection pooler
6035
The number of unique connection strings
6037
The number of unique connection strings waiting for pruning
6039
The number of active connection pools
6041
The number of inactive connection pools
6043
The number of connections currently in-use
6045
The number of connections currently available for use
6047
The number of connections currently waiting to be made ready for use
6049
The number of connections we reclaim from GCed external connections
6051
ASP.NET v1.1.4322 global performance counters
6053
ASP.NET v1.1.4322 application performance counters
6055
Number of times the application has been restarted during the web server’s lifetime.
6057
Number of currently running web applications.
6059
The number of requests disconnected due to communication errors or user terminated.
6061
The number of milliseconds that it took to execute the most recent request.
6063
The number of requests rejected because the request queue was full.
6065
The number of requests waiting to be processed.
6067
Number of worker processes running on the machine.
6069
Number of times a worker process has restarted on the machine.
6071
The number of milliseconds the most recent request was waiting in the queue.
6073
The current number of sessions currently active.
6075
The number of sessions that have been explicitly abandoned.
6077
The number of sessions timed out.
6079
The number of sessions total.
6081
The current number of requests, including those that are queued, currently executing, or waiting to be written to the client. Under the ASP.NET process model, when this counter exceeds the requestQueueLimit defined in the processModel configuration section, ASP.NET will begin rejecting requests.
6083
Number of requests utilizing anonymous authentication.
6085
Number of Authentication Anonymous Requests/Sec
6087
Total number of entries within the cache (both internal and user added)
6089
Number of additions and removals to the total cache per second.
6091
Total number of hits from the cache.
6093
Total number of cache misses.
6095
Ratio of hits from all cache calls.
6097
Cache Total Hit Ratio Base
6099
Total number of entries within the cache added by the user.
6101
Number of additions and removals to the API cache per second.
6103
Number of cache hits from user code.
6105
Number of cache misses called from user code.
6107
Ratio of hits called from user code.
6109
Cache API Hit Ratio Base
6111
Current number of entries in the output cache.
6113
Number of additions and removals to the output cache per second.
6115
Total number of ouput cacheable requests served from the output cache.
6117
Total number of ouput cacheable requests not served from the output cache.
6119
Ratio of hits to requests for output cacheable requests.
6121
Output Cache Hit Ratio Base
6123
Number of .asax, .ascx, .ashx, .asmx, or .aspx source files dynamically compiled.
6125
Number of debugging requests processed.
6127
Number of errors that have occurred during parsing and configuration.
6129
Number of errors that have occurred during compilation.
6131
Number of errors that have occurred during the processing of a request.
6133
Number of errors not handled by user code, but by the default error handler.
6135
Rate of unhandled errors.
6137
Total number of errors occurred.
6139
Rate of errors occurred.
6141
Number of active pipeline instances.
6143
The total size, in bytes, of all requests.
6145
The total size, in bytes, of responses sent to a client. This does not include standard HTTP response headers.
6147
The number of requests currently executing.
6149
Total number of failed requests.
6151
The number of requests for resources that were not found.
6153
Number of requests failed due to unauthorized access.
6155
The number of requests in the application request queue.
6157
The number of requests that timed out.
6159
The number of requests that executed successfully.
6161
The total number of requests since the application was started.
6163
The number of requests executed per second.
6165
The current number of sessions currently active.
6167
The number of sessions that have been explicitly abandoned.
6169
The number of sessions timed out.
6171
Total number of sessions since the application was started.
6173
The number of transactions aborted.
6175
The number of transactions committed.
6177
Number of transactions in progress.
6179
The total number of transactions since the application was started.
6181
Transactions started per second.
6183
The total number of connections to the State Server used by session state.
6185
The total number of connections to the SQL Server used by session state.
6825
MSDTC Bridge 3.0.0.0 performance counters
6827
The number of WS-AT protocol messages that the WS-AT service failed to send per second.
6829
The number of Prepare retry messages that the WS-AT service has sent per second.
6831
The number of Commit retry messages that the WS-AT service has sent per second.
6833
The number of Prepared retry messages that the WS-AT service has sent per second.
6835
The number of Replay retry messages that the WS-AT service has sent per second.
6837
The number of Fault messages that the WS-AT service has received per second.
6839
The number of Fault messages that the WS-AT service has sent per second.
6841
Average time in milliseconds for the WS-AT service to receive a Prepare message response from a participant.
6843
Base counter for the ‘Average participant prepare response time’ counter.
6845
Average time in milliseconds for the WS-AT service to receive a Commit message response from a participant.
6847
Base counter for the ‘Average participant commit response time’ counter.
6849
SMSvcHost 3.0.0.0 performance counters
6851
The total number of failures at the protocol layer of net.tcp.
6853
The total number of failures at the protocol layer of net.pipe.
6855
The total number of failures dispatching messages received over net.tcp.
6857
The total number of failures dispatching messages received over net.pipe.
6859
The total number of connections dispatched over net.tcp.
6861
The total number of connections dispatched over net.pipe.
6863
The total number of TCP connections accepted over net.tcp.
6865
The total number of named pipe connections accepted over net.pipe.
6867
The number of uri registrations currently active for net.tcp.
6869
The number of uri registrations currently active for net.pipe.
6871
The total number of uris that were succesfully registered for net.tcp.
6873
The total number of uris that were succesfully registered for net.pipe.
6875
The total number of uris that were succesfully unregistered for net.tcp.
6877
The total number of uris that were succesfully unregistered for net.pipe.
6879
ServiceModelEndpoint 3.0.0.0 performance counters
6881
The number of calls to this endpoint. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.Calls.aspx
6883
The number of calls to this endpoint per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.CallsPerSecond.aspx
6885
The number of calls to this endpoint that are in progress. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.CallsOutstanding.aspx
6887
The number of calls with unhandled exceptions at this endpoint. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.CallsFailed.aspx
6889
The number of calls with unhandled exceptions at this endpoint per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.CallsFailedPerSecond.aspx
6891
The number of calls to this endpoint that returned faults. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.CallsFaulted.aspx
6893
The number of calls to this endpoint that returned faults per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.CallsFaultedPerSecond.aspx
6895
The average duration of calls to this endpoint. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.CallDuration.aspx
6897
Base counter for the ‘Calls Duration’ counter.
6899
The number of transactions that flowed to operations at this endpoint. This counter is incremented any time a transaction ID is present in the message that is sent to the endpoint. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.TxFlowed.aspx
6901
The number of transactions that flowed to operations at this endpoint per second. This counter is incremented any time a transaction ID is present in the message that is sent to the endpoint. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.TxFlowedPerSecond.aspx
6903
The number of calls to this endpoint that failed validation or authentication. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.SecurityValidationAuthenticationFailures.aspx
6905
The number of calls to this endpoint that failed validation or authentication per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.SecurityValidationAuthenticationFailuresPerSecond.aspx
6907
The number of calls to this endpoint that failed authorization. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.SecurityCallsNotAuthorized.aspx
6909
The number of calls to this endpoint that failed authorization per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.SecurityCallsNotAuthorizedPerSecond.aspx
6911
The number of reliable messaging sessions that faulted at this endpoint. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.RMSessionsFaulted.aspx
6913
The number of reliable messaging sessions that faulted at this endpoint per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.RMSessionsFaultedPerSecond.aspx
6915
The number of reliable messaging messages that were dropped at this endpoint. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.RMMessagesDropped.aspx
6917
The number of reliable messaging messages that were dropped at this endpoint per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.RMMessagesDroppedPerSecond.aspx
6919
ServiceModelService 3.0.0.0 performance counters
6921
The number of calls to this service. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.Calls.aspx
6923
The number of calls to this service per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.CallsPerSecond.aspx
6925
The number of calls to this service that are in progress. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.CallsOutstanding.aspx
6927
The number of calls with unhandled exceptions in this service. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.CallsFailed.aspx
6929
The number of calls with unhandled exceptions in this service per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.CallsFailedPerSecond.aspx
6931
The number of calls to this service that returned faults. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.CallsFaulted.aspx
6933
The number of calls to this service that returned faults per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.CallsFaultedPerSecond.aspx
6935
The average duration of calls to this service. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.CallDuration.aspx
6937
Base counter for the ‘Calls Duration’ counter.
6939
The number of transactions that flowed to operations in this service. This counter is incremented any time a transaction ID is present in the message that is sent to the service. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.TxFlowed.aspx
6941
The number of transactions that flowed to operations in this service per second. This counter is incremented any time a transaction ID is present in the message that is sent to the service. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.TxFlowedPerSecond.aspx
6943
The number of transacted operations with the outcome committed in this service. Work done under such operations is fully committed. Resources are updated in accordance with the work done in the operation. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.TxCommitted.aspx
6945
The number of transacted operations with the outcome committed in this service per second. Work done under such operations is fully committed. Resources are updated in accordance with the work done in the operation. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.TxCommittedPerSecond.aspx
6947
The number of transacted operations with the outcome aborted in this service. Work done under such operations is rolled back. Resources are reverted to their previous state. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.TxAborted.aspx
6949
The number of transacted operations with the outcome aborted in this service per second. Work done under such operations is rolled back. Resources are reverted to their previous state. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.TxAbortedPerSecond.aspx
6951
The number of transacted operations with an outcome in doubt in this service. Work done with an outcome in doubt is in an indeterminate state. Resources are held pending outcome. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.TxInDoubt.aspx
6953
The number of transacted operations with an outcome in doubt in this service per second. Work done with an outcome in doubt is in an indeterminate state. Resources are held pending outcome. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.TxInDoubtPerSecond.aspx
6955
The number of calls to this service that failed validation or authentication. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.SecurityValidationAuthenticationFailures.aspx
6957
The number of calls to this service that failed validation or authentication per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.SecurityValidationAuthenticationFailuresPerSecond.aspx
6959
The number of calls to this service that failed authorization. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.SecurityCallsNotAuthorized.aspx
6961
The number of calls to this service that failed authorization per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.SecurityCallsNotAuthorizedPerSecond.aspx
6963
The total number of instances of the service. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.Instances.aspx
6965
The creation rate of service instances per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.InstancesPerSecond.aspx
6967
The number of reliable messaging sessions that were faulted in this service. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.RMSessionsFaulted.aspx
6969
The number of reliable messaging sessions that were faulted in this service per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.RMSessionsFaultedPerSecond.aspx
6971
The number of reliable messaging messages that were dropped in this service. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.RMMessagesDropped.aspx
6973
The number of reliable messaging messages that were dropped in this service per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Service.RMMessagesDroppedPerSecond.aspx
6975
The number of messages to this service that were marked poisoned by the queued transport. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.MsmqPoisonMessages.aspx
6977
The number of messages to this service that were marked poisoned by the queued transport per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.MsmqPoisonMessagesPerSecond.aspx
6979
The number of messages to this servcie that were rejected by the queued transport. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.MsmqRejectedMessages.aspx
6981
The number of messages to this service that were rejected by the queued transport per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.MsmqRejectedMessagesPerSecond.aspx
6983
The number of messages to this service that were dropped by the queued transport. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.MsmqDroppedMessages.aspx
6985
The number of messages to this service that were dropped by the queued transport per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Endpoint.MsmqDroppedMessagesPerSecond.aspx
6987
ServiceModelOperation 3.0.0.0 performance counters
6989
The number of calls to this operation. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Operation.Calls.aspx
6991
The number of calls to this operation per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Operation.CallsPerSecond.aspx
6993
The number of calls to this operation that are in progress. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Operation.CallsOutstanding.aspx
6995
The number of calls with unhandled exceptions in this operation. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Operation.CallsFailed.aspx
6997
The number of calls with unhandled exceptions in this operation per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Operation.CallsFailedPerSecond.aspx
6999
The number of calls to this operation that returned faults. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Operation.CallsFaulted.aspx
7001
The number of calls to this operation that returned faults per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Operation.CallsFaultedPerSecond.aspx
7003
The average duration of calls to this operation. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Operation.CallDuration.aspx
7005
Base counter for the ‘Calls Duration’ counter.
7007
The number of transactions that flowed to this operation. This counter is incremented any time a transaction ID is present in the message sent to the operation. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Operation.TxFlowed.aspx
7009
The number of transactions that flowed to this operation per second. This counter is incremented any time a transaction ID is present in the message sent to the operation. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Operation.TxFlowedPerSecond.aspx
7011
The number of calls to this operation that failed validation or authentication. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Operation.SecurityValidationAuthenticationFailures.aspx
7013
The number of calls to this operation that failed validation or authentication per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Operation.SecurityValidationAuthenticationFailuresPerSecond.aspx
7015
The number of calls to this operation that failed authorization. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Operation.SecurityCallsNotAuthorized.aspx
7017
The number of calls to this operation that failed authorization per second. http://msdn.microsoft.com/en-US/library/System.ServiceModel.Diagnostics.PerformanceCounters.Operation.SecurityCallsNotAuthorizedPerSecond.aspx
7019
Windows Workflow Foundation Performance Counters
7021
Total number of workflows created.
7023
Rate of workflows created per second.
7025
Total number of workflows unloaded.
7027
Rate of workflows unloaded per second.
7029
Total number of workflows loaded.
7031
Rate of workflows loaded per second.
7033
Total number of workflows completed.
7035
Rate of workflows completed per second.
7037
Total number of workflows suspended.
7039
Rate of workflows suspended per second.
7041
Total number of workflows terminated.
7043
Rate of workflows terminated per second.
7045
Total number of workflows in memory.
7047
Total number of workflows aborted.
7049
Rate of workflows aborted per second.
7051
Total number of workflows persisted.
7053
Rate of workflows persisted per second.
7055
Total number of workflow instances actively executing.
7057
Rate of workflows becoming idle per second.
7059
Total number of workflows ready to execute.
7061
Total number of workflows waiting for a thread.
7063
This category includes a series of counters for MySQL.
7065
The number of times a procedures metadata had to be queried from the server.
7067
The number of times a procedures metadata was retrieved from the client-side cache.
7069
ASP.NET State Service
7275
The current number of sessions currently active.
7277
The number of sessions that have been explicitly abandoned.
7279
The number of sessions timed out.
7281
The number of sessions total.
7283
ASP.NET global performance counters
7285
ASP.NET application performance counters
7287
Number of times the application has been restarted during the web server’s lifetime.
7289
Number of currently running web applications.
7291
The number of requests disconnected due to communication errors or user terminated.
7293
The number of milliseconds that it took to execute the most recent request.
7295
The number of requests rejected because the request queue was full.
7297
The number of requests waiting to be processed.
7299
Number of worker processes running on the machine.
7301
Number of times a worker process has restarted on the machine.
7303
The number of milliseconds the most recent request was waiting in the queue.
7305
The current number of sessions currently active.
7307
The number of sessions that have been explicitly abandoned.
7309
The number of sessions timed out.
7311
The number of sessions total.
7313
The current number of requests, including those that are queued, currently executing, or waiting to be written to the client. Under the ASP.NET process model, when this counter exceeds the requestQueueLimit defined in the processModel configuration section, ASP.NET will begin rejecting requests.
7315
Number of audit successes in the application since it was started.
7317
Number of audit failures in the application since it was started.
7319
Number of error events raised since the application was started.
7321
Number of runtime error events raised since the application was started.
7323
Number of HTTP error events raised since the application was started.
7325
Number of requests utilizing anonymous authentication.
7327
Number of Authentication Anonymous Requests/Sec
7329
Total number of entries within the cache (both internal and user added)
7331
Number of additions and removals to the total cache per second.
7333
Total number of hits from the cache.
7335
Total number of cache misses.
7337
Ratio of hits from all cache calls.
7339
Cache Total Hit Ratio Base
7341
Total number of entries within the cache added by the user.
7343
Number of additions and removals to the API cache per second.
7345
Number of cache hits from user code.
7347
Number of cache misses called from user code.
7349
Ratio of hits called from user code.
7351
Cache API Hit Ratio Base
7353
Current number of entries in the output cache.
7355
Number of additions and removals to the output cache per second.
7357
Total number of output cacheable requests served from the output cache.
7359
Total number of output cacheable requests not served from the output cache.
7361
Ratio of hits to requests for output cacheable requests.
7363
Output Cache Hit Ratio Base
7365
Number of .asax, .ascx, .ashx, .asmx, or .aspx source files dynamically compiled.
7367
Number of debugging requests processed.
7369
Number of errors that have occurred during parsing and configuration.
7371
Number of errors that have occurred during compilation.
7373
Number of errors that have occurred during the processing of a request.
7375
Number of errors not handled by user code, but by the default error handler.
7377
Rate of unhandled errors.
7379
Total number of errors occurred.
7381
Rate of errors occurred.
7383
Number of active pipeline instances.
7385
The total size, in bytes, of all requests.
7387
The total size, in bytes, of responses sent to a client. This does not include standard HTTP response headers.
7389
The number of requests currently executing.
7391
Total number of failed requests.
7393
The number of requests for resources that were not found.
7395
Number of requests failed due to unauthorized access.
7397
The number of requests in the application request queue.
7399
The number of requests that timed out.
7401
The number of requests that executed successfully.
7403
The total number of requests since the application was started.
7405
The number of requests executed per second.
7407
The current number of sessions currently active.
7409
The number of sessions that have been explicitly abandoned.
7411
The number of sessions timed out.
7413
Total number of sessions since the application was started.
7415
The number of transactions aborted.
7417
The number of transactions committed.
7419
Number of transactions in progress.
7421
The total number of transactions since the application was started.
7423
Transactions started per second.
7425
The total number of connections to the State Server used by session state.
7427
The total number of connections to the SQL Server used by session state.
7429
Total number of instrumentation events raised since the application was started.
7431
Total number of instrumentation events per second.
7433
Number of application events raised since the application was started.
7435
Number of application events raised per second.
7437
Number of error events raised since the application was started.
7439
Number of error events per second.
7441
Number of runtime error events raised since the application was started.
7443
Number of runtime error events per second.
7445
Number of HTTP error events raised since the application was started.
7447
Number of HTTP error events raised per second.
7449
Number of request events raised since the application was started
7451
Number of request events raised per second.
7453
Number of audit successes in the application since it was started.
7455
Number of audit failures in the application since it was started.
7457
Number of successful membership credential validations since the application was started.
7459
Number of failed membership credential validations since the application was started.
7461
Number of successful forms authentication ticket validations since the application was started.
7463
Number of failed forms authentication ticket validations since the application was started.
7465
Number of viewstate MAC validations that failed since the application was started.
7467
The number of milliseconds that it took to execute the most recent request.
7469
The number of requests disconnected due to communication errors or user terminated.
7471
The number of requests rejected because the application request queue was full.
7473
The number of milliseconds the most recent request was waiting in the queue.
7475
The amount of physical memory used by the machine divided by the physical memory limit for the cache, as a percentage. When this reaches 100%, half of the cache entries will be forcibly removed. The __Total__ instance is the average of all instances, and therefore cannot be used to determine when cache entries will be forcibly removed.
7477
Cache % Machine Memory Limit Used Base
7479
The value of private bytes for the worker process divided by the private bytes memory limit for the cache, as a percentage. When this reaches 100%, half of the cache entries will be forcibly removed. The __Total__ instance is the average of all instances, and therefore cannot be used to determine when cache entries will be forcibly removed.
7481
Cache % Process Memory Limit Used Base
7483
Total number of entries forcibly removed from the cache due to memory pressure.
7485
Total number of entries forcibly removed from the cache due to memory pressure that were originally inserted into the cache using one of the public cache APIs.
7487
Total number of entries forcibly removed from the cache due to memory pressure that were originally inserted into the cache by the output cache feature.
7489
ASP.NET global performance counters
7491
ASP.NET application performance counters
7493
Number of times the application has been restarted during the web server’s lifetime.
7495
Number of currently running web applications.
7497
The number of requests disconnected due to communication errors or user terminated.
7499
The number of milliseconds that it took to execute the most recent request.
7501
The number of requests rejected because the request queue was full.
7503
The number of requests waiting to be processed.
7505
Number of worker processes running on the machine.
7507
Number of times a worker process has restarted on the machine.
7509
The number of milliseconds the most recent request was waiting in the queue.
7511
The current number of sessions currently active.
7513
The number of sessions that have been explicitly abandoned.
7515
The number of sessions timed out.
7517
The number of sessions total.
7519
The current number of requests, including those that are queued, currently executing, or waiting to be written to the client. Under the ASP.NET process model, when this counter exceeds the requestQueueLimit defined in the processModel configuration section, ASP.NET will begin rejecting requests.
7521
Number of audit successes in the application since it was started.
7523
Number of audit failures in the application since it was started.
7525
Number of error events raised since the application was started.
7527
Number of runtime error events raised since the application was started.
7529
Number of HTTP error events raised since the application was started.
7531
Number of requests utilizing anonymous authentication.
7533
Number of Authentication Anonymous Requests/Sec
7535
Total number of entries within the cache (both internal and user added)
7537
Number of additions and removals to the total cache per second.
7539
Total number of hits from the cache.
7541
Total number of cache misses.
7543
Ratio of hits from all cache calls.
7545
Cache Total Hit Ratio Base
7547
Total number of entries within the cache added by the user.
7549
Number of additions and removals to the API cache per second.
7551
Number of cache hits from user code.
7553
Number of cache misses called from user code.
7555
Ratio of hits called from user code.
7557
Cache API Hit Ratio Base
7559
Current number of entries in the output cache.
7561
Number of additions and removals to the output cache per second.
7563
Total number of output cacheable requests served from the output cache.
7565
Total number of output cacheable requests not served from the output cache.
7567
Ratio of hits to requests for output cacheable requests.
7569
Output Cache Hit Ratio Base
7571
Number of .asax, .ascx, .ashx, .asmx, or .aspx source files dynamically compiled.
7573
Number of debugging requests processed.
7575
Number of errors that have occurred during parsing and configuration.
7577
Number of errors that have occurred during compilation.
7579
Number of errors that have occurred during the processing of a request.
7581
Number of errors not handled by user code, but by the default error handler.
7583
Rate of unhandled errors.
7585
Total number of errors occurred.
7587
Rate of errors occurred.
7589
Number of active pipeline instances.
7591
The total size, in bytes, of all requests.
7593
The total size, in bytes, of responses sent to a client. This does not include standard HTTP response headers.
7595
The number of requests currently executing.
7597
Total number of failed requests.
7599
The number of requests for resources that were not found.
7601
Number of requests failed due to unauthorized access.
7603
The number of requests in the application request queue.
7605
The number of requests that timed out.
7607
The number of requests that executed successfully.
7609
The total number of requests since the application was started.
7611
The number of requests executed per second.
7613
The current number of sessions currently active.
7615
The number of sessions that have been explicitly abandoned.
7617
The number of sessions timed out.
7619
Total number of sessions since the application was started.
7621
The number of transactions aborted.
7623
The number of transactions committed.
7625
Number of transactions in progress.
7627
The total number of transactions since the application was started.
7629
Transactions started per second.
7631
The total number of connections to the State Server used by session state.
7633
The total number of connections to the SQL Server used by session state.
7635
Total number of instrumentation events raised since the application was started.
7637
Total number of instrumentation events per second.
7639
Number of application events raised since the application was started.
7641
Number of application events raised per second.
7643
Number of error events raised since the application was started.
7645
Number of error events per second.
7647
Number of runtime error events raised since the application was started.
7649
Number of runtime error events per second.
7651
Number of HTTP error events raised since the application was started.
7653
Number of HTTP error events raised per second.
7655
Number of request events raised since the application was started
7657
Number of request events raised per second.
7659
Number of audit successes in the application since it was started.
7661
Number of audit failures in the application since it was started.
7663
Number of successful membership credential validations since the application was started.
7665
Number of failed membership credential validations since the application was started.
7667
Number of successful forms authentication ticket validations since the application was started.
7669
Number of failed forms authentication ticket validations since the application was started.
7671
Number of viewstate MAC validations that failed since the application was started.
7673
The number of milliseconds that it took to execute the most recent request.
7675
The number of requests disconnected due to communication errors or user terminated.
7677
The number of requests rejected because the application request queue was full.
7679
The number of milliseconds the most recent request was waiting in the queue.
7681
The amount of physical memory used by the machine divided by the physical memory limit for the cache, as a percentage. When this reaches 100%, half of the cache entries will be forcibly removed. The __Total__ instance is the average of all instances, and therefore cannot be used to determine when cache entries will be forcibly removed.
7683
Cache % Machine Memory Limit Used Base
7685
The value of private bytes for the worker process divided by the private bytes memory limit for the cache, as a percentage. When this reaches 100%, half of the cache entries will be forcibly removed. The __Total__ instance is the average of all instances, and therefore cannot be used to determine when cache entries will be forcibly removed.
7687
Cache % Process Memory Limit Used Base
7689
Total number of entries forcibly removed from the cache due to memory pressure.
7691
Total number of entries forcibly removed from the cache due to memory pressure that were originally inserted into the cache using one of the public cache APIs.
7693
Total number of entries forcibly removed from the cache due to memory pressure that were originally inserted into the cache by the output cache feature.
