Poolmon Windows Server 2012 R2
I have a Windows 2012 R2 std. Server with a memory leak. Something tells me that the leak started after we installed Symantic Endpoint protection 12.1.5 - but I am not sure. I tried to disable Symantic without any change to the memory leak. Using RamMap I can see that The Nonpaged Pool grows 1GB per day. Aug 30, 2012 Hi Sonny. This article is part of a series, please see Part 3 – 7 for different approaches to identifying the cause of the leak. If you are using Windows 7/Server 2008 R2 or a newer OS, I recommend trying the steps in Part 7. Windows Server 2012 Debugging debug Windows Server 2012 R2 Failover Cluster windows Hyper-V kernel Windows 8 John Marlin windbg Deployment Debug Ninja Storage and File Systems Windows 2012 Printing Scott McArthur Windows Server 2008 R2 Virtual Machines Ned Pyle. Poolmon is a utility that keeps track of the memory usage by the pool by their tag name. Poolmon is included into your Windows Driver Kit, usually referred to as WDK. Here is how you would be able to use Poolmon to address the concern of Kernel Mode memory Leak. Here are the steps you can follow to identify memory leaks in kernel Mode through.
- Windows 8.1
- Microsoft Windows Server 2012 R2
- Poolmon Windows 2012 R2
- Poolmon Windows Server 2012 R2 End Of Life
Windows 8.1
PoolMon requires the following system configuration, permissions, and files.
System Requirements
The version of PoolMon included in the Windows Driver Kit (WDK) and described in this document runs only on Microsoft Windows XP and later versions of Windows.
Microsoft Windows Server 2012 R2
Pool Tagging Requirement
Before running any version of PoolMon on Windows XP or earlier versions of Windows, you must enable pool tagging. Pool tagging is permanently enabled on Windows Server 2003 and later versions of Windows.
The pool tagging feature collects and calculates statistics about pool memory sorted by the tag value of the allocation.
To enable pool tagging, use GFlags, a tool included in Debugging Tools for Windows. Open the Global Flags dialog box, check the Enable Pool Tagging check box, and then restart the computer.
Requirements for Terminal Services Session Pool Monitoring
PoolMon displays allocations from the Terminal Services session pools only on Windows Server 2003 and later versions of Windows.
Windows allocates memory from Terminal Services session pools only when the computer is configured as a Terminal Server. On Terminal Servers, the kernel-mode portions of the Win32 subsystem allocate memory from the session pools. Otherwise, Windows allocates pool memory for Terminal Services from the system pool.
Requirements for Generating a Local Tag File
The /c parameter, which creates a localtag.txt file of pool tags used by drivers on the local machine, is supported only on 32-bit versions of Windows.
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Display Requirements
To see the entire PoolMon display, the Command Prompt window size must be at least 80 characters wide (width=80) and at least 53 rows high (height=53), and the Command Prompt window buffer must be at least 500 characters wide (width=500) and at least 2000 rows high (height=2000). Otherwise, the display might be truncated.
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Required Files
poolmon.exe
msdis130.dll
msvcp70.dll
msvcr70.dll
Poolmon Windows 2012 R2
pooltag.txt
-->PoolMon (poolmon.exe), the Memory Pool Monitor, displays data that the operating system collects about memory allocations from the system paged and nonpaged kernel pools, and the memory pools used for Terminal Services sessions. The data is grouped by pool allocation tag.
Driver developers and testers often use PoolMon to detect memory leaks when they create a new driver, change the driver code, or stress the driver. You can also use PoolMon in each stage of testing to view the driver's patterns of allocation and free operations, and to reveal how much pool memory the driver is using at any given time.
The version of PoolMon described in this document is included in the ToolsOther subdirectory of the Windows Driver Kit (WDK).
Poolmon Windows Server 2012 R2 End Of Life
This topic includes:
To use PoolMon on Microsoft Windows XP and earlier systems, you must enable pool tagging. On Windows Server 2003 and later versions of Windows, pool tagging is permanently enabled. For more information, see 'Pool Tagging Requirement' in PoolMon Requirements.
PoolMon can display the names of the Windows components and commonly used drivers that assign each pool tag. This feature uses data from pooltag.txt, a file installed with PoolMon and with the Debugging Tools for Windows packages. Occasionally, Microsoft updates this file. To check for updates, go to the Microsoft support website and search for 'pooltag.txt.'