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| author | Rob Clark <robdclark@chromium.org> | 2021-04-02 14:12:26 -0700 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2021-04-07 11:05:43 -0700 |
| commit | 25ed38b3ed26918b70c1392de7481809b5f5ba2d (patch) | |
| tree | ec9545e5b148a3712dae1fb628e31cd1e6ac359a /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 528107c8e664a933b397a825f6e76c6d7dfa383b (diff) | |
drm/msm: Drop mm_lock in scan loop
lock_stat + mmm_donut[1] say that this reduces contention on mm_lock
significantly (~350x lower waittime-max, and ~100x lower waittime-avg)
[1] https://chromium.googlesource.com/chromiumos/platform/microbenchmarks/+/refs/heads/main/mmm_donut.py
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20210402211226.875726-1-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions