File: render-loop.stp

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phoc 0.52.0-1
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# Print render loop execution time
#
# Usage:
#
# stap --runtime=bpf -v tools/render-loop.stp _build/src/phoc
#

probe begin
{
  printf("Measuring render loop, press ctrl-C to stop...\n")
}

probe process(@1).function("phoc_renderer_render_output").return
{
  output = user_string(@entry($output->wlr_output->name));

  printf("Render time: %10s: %6d µs\n", output, gettimeofday_us() - @entry(gettimeofday_us() ))
}