From: Mel Gorman <mgorman@techsingularity.net>
To: lkp@lists.01.org
Subject: Re: [sched/numa] f6183ef98b: phoronix-test-suite.aom-av1.0.frames_per_second -25.0% regression
Date: Wed, 18 Mar 2020 10:53:40 +0000 [thread overview]
Message-ID: <20200318105340.GB3818@techsingularity.net> (raw)
In-Reply-To: <74027441-8ae2-044e-7cdb-74be5e3e0ab2@intel.com>
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> > Excellent. Now in your previous mail, the regression was reported based
> > on
> >
> > commit:
> > 6d4d22468dae3d8757af9f8b81b848a76ef4409d ("sched/fair: Reorder enqueue/dequeue_task_fair path")
> > 6499b1b2dd1b8d404a16b9fbbf1af6b9b3c1d83d ("sched/numa: Replace runnable_load_avg by load_avg")
> > 253e2b69ef8fda4d9345ff496b12058faaeeff6b ("sched/fair: fix statistics for find_idlest_group()")
> >
> > Can you confirm whether the report is based on just those commits or the
> > entire series? If it's not the entire series, can you give me the report
> > for the full series please? We know for a fact that this series is not
> > bisection safe in terms of performance.
>
> Hi,
>
> Sorry for the late, yes the report is based on the entire series, the result
> of head commit is 0.03:
>
> commit:
> a0f03b617c3b2644d3d47bf7d9e60aed01bd5b10 ("sched/numa: Stop an exhastive
> search if a reasonable swap candidate or idle CPU is found")
>
> $ ag -A9 phoronix-test-suite.aom-av1.0.frames_per_second /result/phoronix-test-suite/performance-aom-av1-1.2.0-ucode=0x1d/lkp-nhm-2ep1/debian-x86_64-phoronix/x86_64-rhel-7.6/gcc-7/a0f03b617c3b2644d3d47bf7d9e60aed01bd5b10/matrix.json
> 2: "phoronix-test-suite.aom-av1.0.frames_per_second": [
> 3- 0.03,
> 4- 0.03,
> 5- 0.03,
> 6- 0.03,
> 7- 0.03,
> 8- 0.03,
> 9- 0.03,
> 10- 0.03
> 11- ],
>
Ok, that is missing a bunch of fixes that have been merged since or are
in other branches of tip. I'll try reproduce this before the end of the
week but I need to get some other stuff off the table first.
--
Mel Gorman
SUSE Labs
next prev parent reply other threads:[~2020-03-18 10:53 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-26 1:32 [sched/numa] f6183ef98b: phoronix-test-suite.aom-av1.0.frames_per_second -25.0% regression kernel test robot
2020-02-26 8:03 ` Vincent Guittot
2020-02-26 8:33 ` Mel Gorman
2020-02-27 5:25 ` Rong Chen
2020-02-27 9:06 ` Mel Gorman
2020-03-05 2:58 ` Rong Chen
2020-03-05 10:12 ` Mel Gorman
2020-03-05 11:15 ` Chen, Rong A
2020-03-05 12:39 ` Mel Gorman
2020-03-18 8:43 ` Rong Chen
2020-03-18 10:53 ` Mel Gorman [this message]
2020-02-27 2:57 ` Rong Chen
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