{"push_id":2170089534,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"c7b20c950276a41badd994324e1983760e44842b","before":"36015334f9ee86b997fc5c0deb4964184f87648f","commits":[{"sha":"c7b20c950276a41badd994324e1983760e44842b","author":{"name":"Chris Wilson","email":"4181b934c2715a2bba60cdb3cc1b35b2777d1c23@chris-wilson.co.uk"},"message":"igt/perf_pmu: Tighten semaphore-wait measurement\n\nRecord the before/after semaphore-wait values around the sleep to try to\nreduce the inaccuracy from scheduler delays. Previously, the samples\nwere taken before submitting the batch and then after synchronising its\ncompletion. The measurement will then be the total that the semaphore\nwas being sampled, but with the extra syscalls intervening may have\ndrifted from the sleep duration. To further reduce the disparity, wait\nfor the batch to start executing before taking our samples.\n\nReferences: https://bugs.freedesktop.org/show_bug.cgi?id=104013\nSigned-off-by: Chris Wilson <chris@chris-wilson.co.uk>\nCc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>\nReviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>","distinct":true,"url":"https://api.github.com/repos/freedesktop/xorg-intel-gpu-tools/commits/c7b20c950276a41badd994324e1983760e44842b"}]}
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