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1. #Thre tag in poolmon.exe install
2. #Thre tag in poolmon.exe drivers
3. #Thre tag in poolmon.exe driver
4. #Thre tag in poolmon.exe windows

On the right site (after the blue line), you see page table memory usage in MB for each process.Īlso the combined (non-)paged pool usage is nearly 2GB. Here you see the processes which have the high pagetable usage. Now move the Page Category column to the left side and expand the Page Table entry:

#Thre tag in poolmon.exe windows

Open the MemUsage.etl with Windows Performance Analyzer (WPA.exe), expand the memory entryĭrag and drop the graph ResidentSet from the left graph list to the analysis pane:

#Thre tag in poolmon.exe install

To see which processes use it, install the Windows Performance Toolkit which is part of the Windows 10 SDK, open a command prompt as admin and run this command: wpr.exe -start ReferenceSet -filemode & timeout 5 & wpr.exe -stop C:MemUsage.etl Removing it and using Windows Defender fixed the issue for him.1 large part of your high memory usage (2GB) comes from a high Page table usage. In the sample of the user chr0n0ss the FMic and Irp usage is caused by F-Secure Antivirus Suite: The tags are used by the program Razor Cortex. The user Samuil Dichev provided a trace with a high FMic and Irp usage

#Thre tag in poolmon.exe driver

The tag is used by the driver WiseFs64.sys which is part of the "Wise Folder Hider" program. The user Hristo Hristov provided a trace with a high FMfn usage during unzipping files: Look for driver/program updates to fix it. Here the Thre tag (Thread) is used by AVKCl.exe from G-Data.

#Thre tag in poolmon.exe drivers

Now find other 3rd party drivers which you can see in the stack. Now load the symbols inside WPA.exe and expand the stack of the tag that you saw in poolmon. Put the pooltag column at first place and add the stack column. Open the ETL with WPA.exe, add the Pool graphs to the analysis pane. MaxFile 1024 -FileMode Circular & timeout -1 & xperf -d C:\pool.etlĬapture 30 -60s of the grow. PoolAlloc+PoolFree+PoolAllocSession+PoolFreeSession -BufferSize 2048 Xperf -on PROC_THREAD+LOADER+POOL -stackwalk

Install the WPT from the Windows SDK, open a cmd.exe as admin and run this: You have use xperf to trace what causes the usage.

If the pooltag only shows Windows drivers or is listed in the pooltag.txt ( "C:\Program Files (x86)\Windows Kits\10\Debuggers\圆4\triage\pooltag.txt") Click Properties, go to the details tab to find the Product Name.

Now, go to the drivers folder ( C:\Windows\System32\drivers) and right-click the driver in question (intmsd.sys in the above image example). Then type findstr /s _ *.*, where _ is the tag (left-most name in poolmon).ĭo this to see which driver uses this tag:

To do this, open cmd prompt and type cd C:\Windows\System32\drivers. Now open a cmd prompt and run the findstr command. Now see which pooltag uses most memory as shown here: Run poolmon by going to the folder where WDK is installed, go to Tools (or C:\Program Files (x86)\Windows Kits\10\Tools\圆4) and click poolmon.exe. Install the Windows WDK, run poolmon, sort it via P after pool type so that non paged is on top and via B after bytes to see the tag which uses most memory. You can use poolmon to see which driver is causing the high usage. Look at the high value of nonpaged kernel memory. You have a memory leak caused by a driver.