From: Mel Gorman <mgorman@techsingularity.net>
To: kernel test robot <oliver.sang@intel.com>
Cc: Vincent Guittot <vincent.guittot@linaro.org>,
Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Juri Lelli <juri.lelli@redhat.com>,
Valentin Schneider <valentin.schneider@arm.com>,
Phil Auld <pauld@redhat.com>, Hillf Danton <hdanton@sina.com>,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Stephen Rothwell <sfr@canb.auug.org.au>,
lkp@lists.01.org
Subject: Re: [sched/numa] 6499b1b2dd: phoronix-test-suite.aom-av1.0.frames_per_second -25.0% regression
Date: Fri, 6 Mar 2020 09:06:08 +0000 [thread overview]
Message-ID: <20200306090608.GS3818@techsingularity.net> (raw)
In-Reply-To: <20200306023551.GE9382@xsang-OptiPlex-9020>
On Fri, Mar 06, 2020 at 10:35:51AM +0800, kernel test robot wrote:
> Greeting,
>
> FYI, we noticed a -25.0% regression of phoronix-test-suite.aom-av1.0.frames_per_second due to commit:
>
>
> commit: 6499b1b2dd1b8d404a16b9fbbf1af6b9b3c1d83d ("sched/numa: Replace runnable_load_avg by load_avg")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
>
> in testcase: phoronix-test-suite
> on test machine: 16 threads Intel(R) Xeon(R) CPU X5570 @ 2.93GHz with 48G memory
> with following parameters:
>
> test: aom-av1-1.2.0
> cpufreq_governor: performance
> ucode: 0x1d
>
> test-description: The Phoronix Test Suite is the most comprehensive testing and benchmarking platform available that provides an extensible framework for which new tests can be easily added.
> test-url: http://www.phoronix-test-suite.com/
>
The middle of this series is not safe for bisection from a performance
perspective. It needs to be determined if the series is ok only after
all the patches are applied.
--
Mel Gorman
SUSE Labs
next prev parent reply other threads:[~2020-03-06 9:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-06 2:35 [sched/numa] 6499b1b2dd: phoronix-test-suite.aom-av1.0.frames_per_second -25.0% regression kernel test robot
2020-03-06 9:06 ` Mel Gorman [this message]
[not found] ` <20200306072827.14452-1-hdanton@sina.com>
2020-03-06 14:22 ` Sang, Oliver
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