[Bug 103929] [CI] igt at perf_pmu@rc6 - fail - Failed assertion: (double)(idle - prev) <= (1.0 + (tolerance)) * (double)(slept) && (double)(idle - prev) >= (1.0 - (tolerance)) * (double)(slept)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103929

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

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

--- Comment #9 from Chris Wilson <chris at chris-wilson.co.uk> ---
Next attempt,

commit 55da075197d1d7810043655d952e60a20b9e8fa2 (HEAD, upstream/master)
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Tue Dec 5 10:37:13 2017 +0000

    igt/perf_pmu: Replace hard-coded sleep before rc6 with a probe

    Instead of trying to sleep for 2 evaluations intervals and then assuming
    that rc6 is working, poll the rc6 residency instead.

    v2: dce

    References: https://bugs.freedesktop.org/show_bug.cgi?id=103929
    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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