diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-08-05 10:14:18 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-08-05 10:54:40 +0100 |
| commit | 3fdc13c7a3cbd5788daad4cf1ddc619856e2f1c0 (patch) | |
| tree | f7997345d3475a10541ed0806f41fb971589e98e /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py | |
| parent | 033d549b811ea8512efd57fa5fb5c53e498e0db3 (diff) | |
drm/i915: Remove (struct_mutex) locking for busy-ioctl
By applying the same logic as for wait-ioctl, we can query whether a
request has completed without holding struct_mutex. The biggest impact
system-wide is removing the flush_active and the contention that causes.
Testcase: igt/gem_busy
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Akash Goel <akash.goel@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1470388464-28458-13-git-send-email-chris@chris-wilson.co.uk
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py')
0 files changed, 0 insertions, 0 deletions