[Bug 105106] [CI] igt at perf_pmu@busy*-vcs0 - Failed assertion: (double)(val) <= (1.0 + (tolerance)) * (double)(ts[1] - ts[0]) && (double)(val) >= (1.0 - (tolerance)) * (double)(ts[1] - ts[0]) (perf_pmu:1787) CRITICAL: 'val' != 'ts[1] - ts[0]' (455000000.000000 not

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105106

--- Comment #8 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Martin Peres from comment #6)
> Was seen on drmtip_9 on blb hardware:
> https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_9/fi-blb-e6850/
> igt at perf_pmu@cpu-hotplug.html
> 
> (perf_pmu:1378) CRITICAL: Test assertion failure function cpu_hotplug, file
> ../tests/perf_pmu.c:1166:
> (perf_pmu:1378) CRITICAL: Failed assertion: (double)(val) <= (1.0 +
> (tolerance)) * (double)(ts[1] - ts[0]) && (double)(val) >= (1.0 -
> (tolerance)) * (double)(ts[1] - ts[0])
> (perf_pmu:1378) CRITICAL: 'val' != 'ts[1] - ts[0]' (45000000.000000 not
> within +5.000000%/-5.000000% tolerance of 48568116.000000)
> Subtest cpu-hotplug failed.

Please be really careful not to mix up subtests inside perf_pmu, there are
quite a few distinct issues to worry about.

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