linux-kernel - Re: [PATCH v2 0/6] sched/fair: Clean up sched metric definitions

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Date:	Mon, 23 Nov 2015 08:25:43 +0800
From:	Yuyang Du <yuyang.du@...el.com>
To:	mingo@...nel.org, peterz@...radead.org,
	linux-kernel@...r.kernel.org
Cc:	bsegall@...gle.com, pjt@...gle.com, morten.rasmussen@....com,
	vincent.guittot@...aro.org, dietmar.eggemann@....com,
	lizefan@...wei.com, umgwanakikbuti@...il.com
Subject: Re: [PATCH v2 0/6] sched/fair: Clean up sched metric definitions

Hi Peter and Ingo,

A reminder of this patch searies, in case you forget.

Thanks,
Yuyang

On Thu, Oct 22, 2015 at 07:24:42AM +0800, Yuyang Du wrote:
> Hi Peter and Ingo,
> 
> As discussed recently, the sched metrics need a little bit cleanup. This
> series of patches attempt to do that: refactor, rename, remove...
> 
> Thanks a lot to Ben, Morten, Dietmar, Vincent, and others who provided
> valuable comments.
> 
> v2 changes:
> - Rename SCHED_RESOLUTION_SHIFT to SCHED_FIXEDPOINT_SHIFT, thanks to Peter
> - Fix bugs in calculate_imbalance(), thanks to Vincent
> - Fix "#if 0" for increased kernel load
> 
> Thanks,
> Yuyang
> 
> Yuyang Du (6):
>   sched/fair: Generalize the load/util averages resolution definition
>   sched/fair: Remove SCHED_LOAD_SHIFT and SCHED_LOAD_SCALE
>   sched/fair: Add introduction to the sched load avg metrics
>   sched/fair: Remove scale_load_down() for load_avg
>   sched/fair: Rename scale_load() and scale_load_down()
>   sched/fair: Remove unconditionally inactive code
> 
>  include/linux/sched.h | 81 +++++++++++++++++++++++++++++++++++++++++++--------
>  init/Kconfig          | 16 ++++++++++
>  kernel/sched/core.c   |  8 ++---
>  kernel/sched/fair.c   | 33 ++++++++++-----------
>  kernel/sched/sched.h  | 52 +++++++++++++++------------------
>  5 files changed, 127 insertions(+), 63 deletions(-)
> 
> -- 
> 2.1.4
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