[Bug 105010] [CI] igt at perf_pmu@rc6-runtime-pm*- fail/dmesg-fail - Failed assertion: (double)(idle - prev) <= (1.0 + (tolerance)) * (double)(slept) && (double)(idle - prev) >= (1.0 - (tolerance)) * (double)(slept) (perf_pmu:1745) CRITICAL: 'idle - prev' != 'slept'

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105010

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

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

--- Comment #16 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit 16ffe73c186b7897a1a6888ffb4949a8b4026624
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Thu Sep 12 13:48:13 2019 +0100

    drm/i915/pmu: Use GT parked for estimating RC6 while asleep

    As we track when we put the GT device to sleep upon idling, we can use
    that callback to sample the current rc6 counters and record the
    timestamp for estimating samples after that point while asleep.

    v2: Stick to using ktime_t
    v3: Track user_wakerefs that interfere with the new
    intel_gt_pm_wait_for_idle
    v4: No need for parked/unparked estimation if !CONFIG_PM
    v5: Keep timer park/unpark logic as was
    v6: Refactor duplicated estimate/update rc6 logic
    v7: Pull intel_get_pm_get_if_awake() out from the pmu->lock.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105010
    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>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20190912124813.19225-1-chris@chris-wilson.co.uk

One hopes for the last time.

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