linux-kernel - Re: [RESEND PATCH 0/2] sched/fair: Add documentation and optimize __update_sched

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Message-ID: <20170228005958.GC15994@ydu19desktop>
Date:   Tue, 28 Feb 2017 08:59:58 +0800
From:   Yuyang Du <yuyang.du@...el.com>
To:     mingo@...nel.org, peterz@...radead.org,
        linux-kernel@...r.kernel.org
Cc:     pjt@...gle.com, bsegall@...gle.com, morten.rasmussen@....com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        matt@...eblueprint.co.uk, umgwanakikbuti@...il.com
Subject: Re: [RESEND PATCH 0/2] sched/fair: Add documentation and optimize
 __update_sched_avg()

Hi Peter and Ingo,

Could you please give a look at this?

Thanks,
Yuyang

On Mon, Feb 13, 2017 at 05:44:21AM +0800, Yuyang Du wrote:
> Hi Peter,
> 
> I found I have some patches that go nowhere, out of which two stand out. So I resend them.
> 
> The first one adds a document about how to calculate the constants used in load tracking,
> which was suggested by you and mentioned in commit 7b20b916e953cabef569541f991a0a583bc344cb
> 
>   Author: Yuyang Du <yuyang.du@...el.com>
>   Date:   Tue May 3 05:54:27 2016 +0800
> 
>       sched/fair: Optimize sum computation with a lookup table
> 
> And the second one attempts to optimize __update_sched_avg(), mostly resulting in code simplification.
> 
> These two patches have NO changes made to the names nor functions in the existing codes.
> 
> Would you please give it a look?
> 
> Thanks,
> Yuyang
> 
> --
> 
> Yuyang Du (2):
>   documentation: Add scheduler/sched-avg.txt
>   sched/fair: Optimize __update_sched_avg()
> 
>  Documentation/scheduler/sched-avg.txt |  94 ++++++++++++++++++
>  kernel/sched/fair.c                   | 174 +++++++++++++++++-----------------
>  2 files changed, 182 insertions(+), 86 deletions(-)
>  create mode 100644 Documentation/scheduler/sched-avg.txt
> 
> -- 
> 2.1.4