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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-05-01 14:45:28 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-05-03 13:47:23 +0300 |
| commit | f4107766a96ed743c032de1edd753dbcb1839e38 (patch) | |
| tree | fc29a0189c9326a1d1abd44263c397177dca8339 /tools/perf/scripts/python/syscall-counts.py | |
| parent | d69ebf4082e993d473f82bd630bb4d6e38f6fee7 (diff) | |
| download | linux-f4107766a96ed743c032de1edd753dbcb1839e38.tar.xz | |
drm/i915/hangcheck: Track context changes
Given sufficient preemption, we may see a busy system that doesn't
advance seqno while performing work across multiple contexts, and given
sufficient pathology not even notice a change in ACTHD. What does change
between the preempting contexts is their RING, so take note of that and
treat a change in the ring address as being an indication of forward
progress.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190501114541.10077-1-chris@chris-wilson.co.uk
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
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