Re: [PATCH 0/3] Fix some races/bugs in GuC engine busyness

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On Wed, Nov 27, 2024 at 09:40:03AM -0800, Umesh Nerlige Ramappa wrote:
A few races and bugs in PMU busyness implementation are resulting in a wide
range of IGT failures. This series addresses some failures that are easily
reproduced.

To repro the issues, we run a couple iterations of igt@perf_pmu@busy-hang
followed by igt@perf_pmu@most-busy-idle-check-all test.

v2: Review rework

Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@xxxxxxxxx>

Pushed now.

Thanks,
Umesh

Umesh Nerlige Ramappa (3):
 i915/guc: Reset engine utilization buffer before registration
 i915/guc: Ensure busyness counter increases motonically
 i915/guc: Accumulate active runtime on gt reset

drivers/gpu/drm/i915/gt/intel_engine_types.h  |  5 +++
.../gpu/drm/i915/gt/uc/intel_guc_submission.c | 41 ++++++++++++++++++-
2 files changed, 44 insertions(+), 2 deletions(-)

--
2.34.1




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