Bug 104160

Summary: [CI] igt@perf_pmu@most-busy-check-all-rcs0 - fail - Failed assertion: (double)(val[i]) <= (1.0 + (tolerance)) * (double)(batch_duration_ns) && (double)(val[i]) >= (1.0 - (tolerance)) * (double)(batch_duration_ns) (perf_pmu:1963) CRITICAL: 'val[i]' != 'bat
Product: DRI Reporter: Marta Löfstedt <marta.lofstedt>
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: CLOSED FIXED QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: normal    
Priority: medium CC: intel-gfx-bugs
Version: DRI git   
Hardware: Other   
OS: All   
Whiteboard: ReadyForDev
i915 platform: GLK i915 features: Perf/OA

Description Marta Löfstedt 2017-12-07 09:16:21 UTC 
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4040/shard-glkb6/igt@perf_pmu@most-busy-check-all-rcs0.html

(perf_pmu:1963) CRITICAL: Test assertion failure function most_busy_check_all, file perf_pmu.c:278:
(perf_pmu:1963) CRITICAL: Failed assertion: (double)(val[i]) <= (1.0 + (tolerance)) * (double)(batch_duration_ns) && (double)(val[i]) >= (1.0 - (tolerance)) * (double)(batch_duration_ns)
(perf_pmu:1963) CRITICAL: 'val[i]' != 'batch_duration_ns' (528670614.000000 not within 5.000000% tolerance of 500000000.000000)
Subtest most-busy-check-all-rcs0 failed.
Comment 1 Chris Wilson 2017-12-22 20:55:13 UTC 
commit d161bbbc8f17bd81ad75f0e7f9f77d2af9dcbf28
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Fri Dec 15 15:07:33 2017 +0000

    igt/perf_pmu: Tighten measurements for most-busy
    
    Create all the spinners before starting the sampler and then measure how
    long we sleep.
    
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=104160
    Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
    Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
    Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

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