[Bug 103857] [CI] igt at perf_pmu@* - fail - Failed assertion: (double)(val[i]) <= (1.0 + tolerance) * (double)0.0f && (double)(val[i]) >= (1.0 - tolerance) * (double)0.0f

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103857

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

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

--- Comment #13 from Chris Wilson <chris at chris-wilson.co.uk> ---
Should be improved with

commit fbba5559d91e812db0fd446fb383a37fde48b1cb
Author: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Date:   Thu Nov 23 10:26:54 2017 +0000

    drm/i915/pmu: Clear the previous sample value when parking

    When turning off the engines, and the pmu sampling, clear the previous
    value as the current measurement should be 0.

    v2: Use a for-loop
    v3:
     * Move clearing to timer self-dis-arm to avoid race with parking.
     * Clear frequency samples as well.
    v4:
     * Init frequency to idle_freq. (Chris Wilson)

    Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
    Suggested-by: Chris Wilson <chris at chris-wilson.co.uk>
    Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk> (v3)
    Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20171123102654.29296-1-tvrtko.ursulin@linux.intel.com

Taking a chance...

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