[Bug 104241] [CI] igt at perf_pmu@busy-vecs0 - fail - Failed assertion: (double)(val) <= (1.0 + (tolerance)) * (double)(ref) && (double)(val) >= (1.0 - (tolerance)) * (double)(ref) (perf_pmu:1587) CRITICAL: 'val' != 'ref' (539089723.000000 not within 5.000000% tolerance

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104241

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit c0a60eb5096a39440c9599af7b5cc34c59e2c712
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Fri Dec 15 14:33:36 2017 +0000

    igt/perf_pmu: Tighten busy measurement

    Sleep for a known duration. In particular, CI once saw a measurement for
    busyness greater than the intended batch_duration!

    v2: Go back to starting pmu sampling outside of spinner; the GPU should
    be idle.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=104241
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
    Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

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