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    xilolee's Avatar
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    POSTING INSTRUCTIONS for DPC/ISR latency, stuttering, cracks/pops

    Co-author and topic starter: Admin writhziden

    Please use the Windows Performance Analyzer (WPA) to provide us with your trace file.
    The trace file will probably be too large to upload here, so host it from a third party site like Dropbox or Microsoft OneDrive.
    You can check the original tutorial for Windows 7: How to Diagnose and Fix High DPC Latency Issues with WPA (Windows Vista/7/8) (click).
    By the way, very similar steps can be used with the Windows 10 (and they are explained, with pictures, in following steps, at points E and F).

    1. Please provide answers for (answer the best that you can):
      Read More:
    2. Run msinfo32
      Read More:
    3. Open and run DxDiag.exe
      Read More:
    4. Retrieve System Information, using speccy
      Read More:
    5. Download and install the Windows Software Development Kit (SDK) for Windows 10(click).
      Currently it's named winsdksetup.exe, size 1.13MB; but this can change when newer versions are released.
      Check the instructions I made for you:
      Read More:
    6. You can generate a new trace with this command, from an elevated command prompt window:
      xperf -on DiagEasy
      In case you don't know how to open an elevated command prompt in windows 10, these are the available methods:
      Read More:
      Wait some time (Niemiro said: "Wait until the computer has gone through a period of stuttering slowness") and then:
      xperf -d "%userprofile%\Desktop\trace.etl"
      (You should find the file trace.etl on your desktop, when it finishes)
    7. Zip (no RAR, please) all the files up: trace.etl, msinfo32.nfo and DxDiag.txt (you should find them on the Desktop of your administrator account) and attach them to your next post.
      Check MicroSoft Support How-To: Zip and unzip files (click) if you don't know how to zip files.
      Don't forget to attach the link to your speccy snapshot.
    Last edited by xilolee; 12-24-2017 at 07:52 AM.

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