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KDAB / hotspot

The Linux perf GUI for performance analysis.
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Flamegraph is not repainted correctly when zooming out #624

Open Waqar144 opened 4 months ago

Waqar144 commented 4 months ago

Describe the bug

See the attached video. It is easier to see the problem than describe it:

https://github.com/KDAB/hotspot/assets/7696024/2cdc4d1b-d0f4-4ee1-8acf-5b98becc46f8

To Reproduce Steps to reproduce the behavior:

  1. Open perf.data.perfparser.tar.gz
  2. Zoom into KateApp::init() as much as possible
  3. Zoom out using the "Go back in symbol view history (Alt + Left)" button in the top left corner of the app one step at a time
  4. See dirty regions after 2nd or 3rd step

Expected behavior Regions are cleared properly

Version Info (please complete the following information):

lievenhey commented 4 months ago

What qt version are you using? I tried with 6.7 and 5.15 but I couldn't reproduce the issue.

Waqar144 commented 4 months ago

5.15.12

lievenhey commented 4 months ago

thanks, this seems to be a problem only in 5.15.12

Waqar144 commented 1 month ago

Seems like this issue is back in 5.15.14

milianw commented 1 month ago

@lievenhey can you investigate please?