linux-kernel - Re: [PATCH v3 3/3] sched/fair: Allocate both cfs_rq and sched

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Message-ID: <CAJUgMyKAcnJyZbKpZu=MxpSRav3KEr4n2U4-xZJ96QN_aHT8hQ@mail.gmail.com>
Date: Fri, 25 Jul 2025 17:05:32 -0400
From: Zecheng Li <zecheng@...gle.com>
To: kernel test robot <oliver.sang@...el.com>
Cc: oe-lkp@...ts.linux.dev, lkp@...el.com, linux-kernel@...r.kernel.org, 
	aubrey.li@...ux.intel.com, yu.c.chen@...el.com, 
	Ingo Molnar <mingo@...hat.com>, Peter Zijlstra <peterz@...radead.org>, 
	Juri Lelli <juri.lelli@...hat.com>, Vincent Guittot <vincent.guittot@...aro.org>, 
	Dietmar Eggemann <dietmar.eggemann@....com>, Steven Rostedt <rostedt@...dmis.org>, 
	Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>, 
	Valentin Schneider <vschneid@...hat.com>, Xu Liu <xliuprof@...gle.com>, 
	Blake Jones <blakejones@...gle.com>, Namhyung Kim <namhyung@...nel.org>, 
	Josh Don <joshdon@...gle.com>, Madadi Vineeth Reddy <vineethr@...ux.ibm.com>, zli94@...u.edu
Subject: Re: [PATCH v3 3/3] sched/fair: Allocate both cfs_rq and sched_entity
 with per-cpu

Gentle ping on this patch series.

I'll be communicating from a new email address, zli94@...u.edu as I'll
soon lose access to my current corp account.

On Wed, Jul 16, 2025 at 4:51 AM kernel test robot <oliver.sang@...el.com> wrote:
>
>
>
> Hello,
>
> kernel test robot noticed a 8.8% improvement of stress-ng.session.ops_per_sec on:
>
>
> commit: ac215b990e70e247344522e1736fd878cb3c25b6 ("[PATCH v3 3/3] sched/fair: Allocate both cfs_rq and sched_entity with per-cpu")
> url: https://github.com/intel-lab-lkp/linux/commits/Zecheng-Li/sched-fair-Co-locate-cfs_rq-and-sched_entity/20250702-050528
> patch link: https://lore.kernel.org/all/20250701210230.2985885-4-zecheng@google.com/
> patch subject: [PATCH v3 3/3] sched/fair: Allocate both cfs_rq and sched_entity with per-cpu

It's great to see the kernel test robot can measure the improvement of
this patch.