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, 26 Feb 2020 08:33:27 +0000 [thread overview]
Message-ID: <20200226083327.GC3818@techsingularity.net> (raw)
In-Reply-To: <CAKfTPtD_ZJhJywWkPjZh6o_7TVZKbvH-D+-K_9RSoi+8L6cC2A@mail.gmail.com>
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On Wed, Feb 26, 2020 at 09:03:26AM +0100, Vincent Guittot wrote:
> Hi Rong,
>
> On Wed, 26 Feb 2020 at 02:33, kernel test robot <rong.a.chen@intel.com> wrote:
> >
> > Greeting,
> >
> > FYI, we noticed a -25.0% regression of phoronix-test-suite.aom-av1.0.frames_per_second due to commit:
> >
> >
> > commit: f6183ef98bba39a5de563d4ab4bc889ff2b600d7 ("sched/numa: replace runnable_load_avg by load_avg")
> > https://git.kernel.org/cgit/linux/kernel/git/mel/linux.git sched-lbnuma-rewrite-v2r6
>
> The following patches in the branch recover the perf regression. Do
> you see regression on the whole branch ?
>
If not, include "sched/fair: fix statistics for find_idlest_group" on top,
particularly if the workload is configured to use threads >= nr_cpus.
--
Mel Gorman
SUSE Labs
next prev parent reply other threads:[~2020-02-26 8:33 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 [this message]
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
2020-02-27 2:57 ` Rong Chen
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