Annotated marker doesn't show in WPA
When using the annotated marker funktion in WPR it doesn't show up in WPA in the cpu usage graph. What am i doing wrong?
View ArticleDifference between "Known Activities Preventing DRIPS" and "Activities...
In WPA, it appears that the DRIPS graphs "Known Activities Preventing DRIPS" and "Activities Preventing DRIPS" are the same, but I'm assuming that the developer wouldn't have created an extra graph...
View ArticleWDM driver
Hello,Can anyone point me how to collect trace using WPR for a non-Microsoft driver? I would like to understand how much duration the IO takes inside my driverThanks,Srini
View ArticleCan't open ETL files in WPA
I'm logged in to Win 10 r1903 as Admin, but can't open any ETL files in WPA with "access denied" error, despite run WPA as Admin. I can't also change ownership of any ETL file in...
View ArticleLoad Symbols Grayed Out
I tried to use WPA (10.0.18965.1000) to open a etl file. But under Trace menu both "Load Symbols" and "Configure Symbol Paths" are grayed out. I have both _NT_SYMBOL_PATH and _NT_SYMCACHE_PATH set as...
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WPA UI opens an ETL file but screen is completely gray.
I can't remember what I did, but now I can't see any provider information on the left column for Graph Explorer. It is blank. The ETL I loaded is one I just collected using WPR UI. Any suggestions on...
View ArticleSvchost.exe is the fault.
I've just installed WPT because I have plenty of faults & warnings via Event Viewer and would like to trace them.This is an example of three logged next to each other... ERROR: "faulting...
View ArticleHow to get a contiguous trace using PerfSet, PerfInc and PerfDec calls
My code looks like thisPerfCreateInstance(); // Create the Object instance PerfSetULongLongCounterValue(NewData); // Set a value say 100OldData = NewData;while(1) { if (NewData > OldData) {...
View Articleneed confermation
i am from Pakistan and i got a message from a number the is "YOU HAVE BEEN AWARDED OF £8000,000 POUNDS IN THE 2020 UK MICROSOFT MOBILE DRAW TO CLAIM UR PRIZE SEND YOUR NAME, AGE AND MOBILE# TO:...
View ArticleHardware Counters in Custom WPR Profiles
I would like to add hardware counters (to let cache misses or branch mispredictions appear in WPA) to a custom wpr profile. The only related information I could find by now are the suggestions made by...
View ArticleDocumentation for Keywords/Stacks in Custom WPR Profiles
When the xml scheme for custom WPR profiles defines some values for keywords and stacks. Some of the values allow to make a guess what they enable others don't but you never know exaclty what it is...
View Articlewindows 10 update
Windows ten creation tool to usb failed to install on usb on errors error codes 0x80042912-0xA001B can anyone give me advice on this. Want to update to1903 from 1703 but have failed to do so because it...
View ArticleI am not able to profile the heap usage from WPA
hi there..I have purposely made a memory leak issue by called GlobalAlloc(or HeapAlloc) and never free it in my dll library of WIN8.Then, I enable the additional profile setting "heap usage" for more...
View ArticleWPRP files for default profiles?
Hello there, I'm struggling with the WPRP file format and wondered whether there is any way to get WPRP files for the default profiles? That would simplify everything by a lot, since I guess most...
View Articleanyone know of a safe place to get a download for a trace file?
anyone know of a safe place to get a download for a trace file?
View ArticleWPR GUI on App Store
Great to see WPA on Win10 App Store. So much easier to stay up to date! How about also installing Windows Performance Recorder? I know wpr.exe is now part of Win10, but the GUI is so much more usable...
View ArticleWindows Performance Analyzer - CPU Usage (Sampled) not showing up
Just installed WPK, I wanted to find the reason for high system CPU usage following this guide from years ago, I can't link it but it's from superuser.com "Troubleshoot High CPU usage by the 'system'...
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CPU Usage (Sample) not being shown.
Hi, I'm developing a windows driver using Visual Studio and the WDK. Now, I'm in the process of profiling the code to solve some bottlenecks. I used the tool Windows Performance Recorder to trace CPU...
View ArticleWindows Performance Analyzer --Pool graphs not there
I'm using WPA to diagnose a memory leak on a unknown driver. I have over 5gb in non paged pool memory (which I suspect is a driver). I have used xperf to create a file for WPA but when I open the file...
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