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| author | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2016-11-16 17:20:31 +0200 |
|---|---|---|
| committer | Mika Kuoppala <mika.kuoppala@intel.com> | 2016-11-21 14:36:40 +0200 |
| commit | e5e1fc47eac842daeccc2dd125437f43e0271032 (patch) | |
| tree | 0e4082b4481d46d2887082d9d8dca7eafa42da51 /drivers/gpu/drm/i915/i915_drv.h | |
| parent | 3fe3b030bd2d7a51c12aa6fe0e5178b9f1a726ec (diff) | |
| download | lwn-e5e1fc47eac842daeccc2dd125437f43e0271032.tar.gz lwn-e5e1fc47eac842daeccc2dd125437f43e0271032.zip | |
drm/i915: Use request retirement as context progress
As hangcheck score was removed, the active decay of score
was removed also. This removed feature for hangcheck to detect
if the gpu client was accidentally or maliciously causing intermittent
hangs. Reinstate the scoring as a per context property, so that if
one context starts to act unfavourably, ban it.
v2: ban_period_secs as a gate to score check (Chris)
v3: decay in proper spot. scores as tunables (Chris)
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 0ebec2b77ae1..691f0b694e77 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -919,6 +919,11 @@ struct i915_ctx_hang_stats { /* This context is banned to submit more work */ bool banned; + +#define CONTEXT_SCORE_GUILTY 10 +#define CONTEXT_SCORE_BAN_THRESHOLD 40 + /* Accumulated score of hangs caused by this context */ + int ban_score; }; /* This must match up with the value previously used for execbuf2.rsvd1. */ |