linux-kernel - Re: [PATCH 0/5] sched/fair: SIS improvements and cleanups

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Message-ID: <141052b4-35f6-e2d2-1921-0ffa44d4b7ce@bytedance.com>
Date:   Mon, 15 Aug 2022 21:31:51 +0800
From:   Abel Wu <wuyun.abel@...edance.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Josh Don <joshdon@...gle.com>, Chen Yu <yu.c.chen@...el.com>,
        linux-kernel@...r.kernel.org, Mel Gorman <mgorman@...e.de>,
        Vincent Guittot <vincent.guittot@...aro.org>
Subject: Re: [PATCH 0/5] sched/fair: SIS improvements and cleanups

Hi Peter, it would be appreciate if you can offer some advice!

Thanks & Best,
Abel

On 7/12/22 4:20 PM, Abel Wu Wrote:
> The first patch ignores the new sched_feat SIS_UTIL when
> there are idle cores available to make full use of cpus
> as possible.
> 
> The other patches come from the SIS filter patchset [1],
> since they are irrelevant to the filter.
> 
> [1] https://lore.kernel.org/lkml/20220619120451.95251-1-wuyun.abel@bytedance.com/
> 
> Abel Wu (5):
>    sched/fair: ignore SIS_UTIL when has idle core
>    sched/fair: default to false in test_idle_cores
>    sched/fair: remove redundant check in select_idle_smt
>    sched/fair: avoid double search on same cpu
>    sched/fair: remove useless check in select_idle_core
> 
>   kernel/sched/fair.c | 45 ++++++++++++++++++++++-----------------------
>   1 file changed, 22 insertions(+), 23 deletions(-)
>