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Re: [PATCH] sched/fair: Do not decay new task load on first enqueue

From Matt Fleming <matt@codeblueprint.co.uk>
Newsgroups linux.kernel
Subject Re: [PATCH] sched/fair: Do not decay new task load on first enqueue
Date 2016-10-11 12:50 +0200
Message-ID <sr2Nc-5Cj-23@gated-at.bofh.it> (permalink)
References (4 earlier) <sqFGW-8lV-3@gated-at.bofh.it> <sqI25-1gE-17@gated-at.bofh.it> <sqJhv-1Wk-9@gated-at.bofh.it> <sqNuN-4CY-13@gated-at.bofh.it> <sr1Rc-4Zl-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Tue, 11 Oct, at 10:44:25AM, Dietmar Eggemann wrote:
> 
> [...]
> 
> Yeah, you're right. But I can't see any significant difference. IMHO,
> it's all in the noise.
> 
> (A) Performance counter stats for 'perf bench sched messaging -g 100 -l
>     1 -t'
>     # 20 sender and receiver threads per group
>     # 100 groups == 4000 threads run
> 

FWIW, our tests run with 1000 loops, not 1, and we don't use 100
groups for low cpu machines. We tend to test upto $((nproc * 4)).

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Thread

Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Peter Zijlstra <peterz@infradead.org> - 2016-09-28 12:20 +0200
  Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Dietmar Eggemann <dietmar.eggemann@arm.com> - 2016-09-28 13:10 +0200
    Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Peter Zijlstra <peterz@infradead.org> - 2016-09-28 13:20 +0200
      Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Dietmar Eggemann <dietmar.eggemann@arm.com> - 2016-09-28 13:40 +0200
        Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Vincent Guittot <vincent.guittot@linaro.org> - 2016-09-28 13:50 +0200
          Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Vincent Guittot <vincent.guittot@linaro.org> - 2016-09-28 14:10 +0200
            Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Matt Fleming <matt@codeblueprint.co.uk> - 2016-10-04 23:30 +0200
          Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Matt Fleming <matt@codeblueprint.co.uk> - 2016-10-04 22:20 +0200
        Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Vincent Guittot <vincent.guittot@linaro.org> - 2016-09-28 14:30 +0200
          Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Vincent Guittot <vincent.guittot@linaro.org> - 2016-09-28 15:20 +0200
            Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Dietmar Eggemann <dietmar.eggemann@arm.com> - 2016-09-29 18:20 +0200
              Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Vincent Guittot <vincent.guittot@linaro.org> - 2016-10-03 15:10 +0200
      Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Dietmar Eggemann <dietmar.eggemann@arm.com> - 2016-09-28 20:10 +0200
  Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Matt Fleming <matt@codeblueprint.co.uk> - 2016-09-28 21:40 +0200
    Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Matt Fleming <matt@codeblueprint.co.uk> - 2016-09-30 22:40 +0200
    Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Wanpeng Li <kernellwp@gmail.com> - 2016-10-09 05:40 +0200
      Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Matt Fleming <matt@codeblueprint.co.uk> - 2016-10-10 12:10 +0200
        Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Wanpeng Li <kernellwp@gmail.com> - 2016-10-10 12:20 +0200
          Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Matt Fleming <matt@codeblueprint.co.uk> - 2016-10-11 12:30 +0200
        Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Vincent Guittot <vincent.guittot@linaro.org> - 2016-10-10 14:40 +0200
          Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Dietmar Eggemann <dietmar.eggemann@arm.com> - 2016-10-10 16:00 +0200
            Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Vincent Guittot <vincent.guittot@linaro.org> - 2016-10-10 20:30 +0200
              Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Dietmar Eggemann <dietmar.eggemann@arm.com> - 2016-10-11 11:50 +0200
                Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Matt Fleming <matt@codeblueprint.co.uk> - 2016-10-11 12:50 +0200
          Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Vincent Guittot <vincent.guittot@linaro.org> - 2016-10-10 19:40 +0200
            Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Matt Fleming <matt@codeblueprint.co.uk> - 2016-10-11 12:30 +0200
              Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Vincent Guittot <vincent.guittot@linaro.org> - 2016-10-11 15:20 +0200
                Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Matt Fleming <matt@codeblueprint.co.uk> - 2016-10-11 21:10 +0200
                Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Vincent Guittot <vincent.guittot@linaro.org> - 2016-10-12 09:50 +0200
  Re: [PATCH] sched/fair: Do not decay new task load on first enqueue Matt Fleming <matt@codeblueprint.co.uk> - 2016-10-04 22:20 +0200

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