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valgrind.md

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Using valgrind for wlmaker

By default, valgrind's leak detection reports many potential and definitive leaks from libdrm and from fontconfig (via cairo). Since these are outside our control, it's helpful to suppress these leaks 1.

To run with these leak-checks suppressed:

valgrind \
  --leak-check=full \
  --suppressions=./libdrm.supp \
  --suppressions=./libcairo-fontconfig.supp \
  build/src/wlmaker

Generating suppressions files

To (re)generate suppressions, run:

valgrind \
  --leak-check=full \
  --show-reachable=yes \
  --error-limit=no \
  --gen-suppressions=all \
  --suppressions=./libdrm.supp \
  --suppressions=./libcairo-fontconfig.supp \
  --log-file=new_suppressions.log \
  build/src/wlmaker

Footnotes

  1. https://wiki.wxwidgets.org/Valgrind_Suppression_File_Howto ↩