From: Chris Wilson <chris@chris-wilson.co.uk>
To: Tvrtko Ursulin <tursulin@ursulin.net>, igt-dev@lists.freedesktop.org
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Subject: Re: [igt-dev] [PATCH i-g-t 3/3] tests/perf_pmu: Give sampling more time
Date: Thu, 08 Feb 2018 08:13:10 +0000 [thread overview]
Message-ID: <151807759064.28809.4247346291445702173@mail.alporthouse.com> (raw)
In-Reply-To: <20180208080131.3004-3-tvrtko.ursulin@linux.intel.com>
Quoting Tvrtko Ursulin (2018-02-08 08:01:31)
> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
>
> We get occasional errors like:
>
> (perf_pmu:21315) CRITICAL: Test assertion failure function sema_wait, file perf_pmu.c:631:
> (perf_pmu:21315) CRITICAL: Failed assertion: (double)(val[1] - val[0]) <= (1.0 + (tolerance)) * (double)(slept) && (double)(val[1] - val[0]) >= (1.0 - (tolerance)) * (double)(slept)
> (perf_pmu:21315) CRITICAL: 'val[1] - val[0]' != 'slept' (450000000.000000 not within 5.000000% tolerance of 500129618.000000)
Something to remember when reporting pmu errors is whether it's
sampling. In this case sema_wait is always sampling... But I wonder if
we can report it from pmu somehow?
-Chris
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next prev parent reply other threads:[~2018-02-08 8:13 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-08 8:01 [igt-dev] [PATCH i-g-t 1/3] tests/perf_pmu: Use perf timestamps in a few more places Tvrtko Ursulin
2018-02-08 8:01 ` [igt-dev] [PATCH i-g-t 2/3] tests/perf_pmu: Handle thermally throttled devices Tvrtko Ursulin
2018-02-08 8:10 ` Chris Wilson
2018-02-12 9:47 ` [igt-dev] [PATCH i-g-t v2 " Tvrtko Ursulin
2018-02-12 10:00 ` Chris Wilson
2018-02-12 11:35 ` [igt-dev] [PATCH i-g-t v3 " Tvrtko Ursulin
2018-02-08 8:01 ` [igt-dev] [PATCH i-g-t 3/3] tests/perf_pmu: Give sampling more time Tvrtko Ursulin
2018-02-08 8:13 ` Chris Wilson [this message]
2018-02-12 9:55 ` Tvrtko Ursulin
2018-02-12 10:02 ` Chris Wilson
2018-02-12 11:36 ` [igt-dev] [PATCH i-g-t v2 " Tvrtko Ursulin
2018-02-12 11:39 ` Chris Wilson
2018-02-08 8:09 ` [igt-dev] [PATCH i-g-t 1/3] tests/perf_pmu: Use perf timestamps in a few more places Chris Wilson
2018-02-12 9:46 ` [igt-dev] [PATCH i-g-t v2 " Tvrtko Ursulin
2018-02-12 9:57 ` Chris Wilson
2018-02-08 10:27 ` [igt-dev] ✓ Fi.CI.BAT: success for series starting with [i-g-t,1/3] " Patchwork
2018-02-08 15:13 ` [igt-dev] ✗ Fi.CI.IGT: failure " Patchwork
2018-02-12 10:28 ` [igt-dev] ✓ Fi.CI.BAT: success for series starting with [i-g-t,v2,1/3] tests/perf_pmu: Use perf timestamps in a few more places (rev3) Patchwork
2018-02-12 12:02 ` [igt-dev] ✗ Fi.CI.IGT: warning " Patchwork
2018-02-12 16:44 ` [igt-dev] ✓ Fi.CI.BAT: success for series starting with [i-g-t,v2,1/3] tests/perf_pmu: Use perf timestamps in a few more places (rev5) Patchwork
2018-02-12 17:02 ` Patchwork
2018-02-12 19:00 ` [igt-dev] ✗ Fi.CI.IGT: failure " Patchwork
2018-02-12 19:40 ` Patchwork
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