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Message-ID: <20160523202602.GB18670@intel.com> Date: Tue, 24 May 2016 04:26:02 +0800 From: Yuyang Du <yuyang.du@...el.com> To: peterz@...radead.org, mingo@...nel.org, linux-kernel@...r.kernel.org Cc: bsegall@...gle.com, pjt@...gle.com, morten.rasmussen@....com, vincent.guittot@...aro.org, dietmar.eggemann@....com, juri.lelli@....com Subject: Re: [RFC PATCH 0/9] Clean up and optimize sched averages Hi Peter, Could you give this a look? Thanks, Yuyang On Mon, May 16, 2016 at 02:59:25AM +0800, Yuyang Du wrote: > Hi Peter, > > Continue the left patches in this series. I realized some patches should > need thorough discussion (finally), so this post is marked RFC. > > - For LOAD_AVG_MAX_N, I am OK to stick to the old value, but it is worthwhile > to get it cleared to the true value. > > - About the renames, I noticed there is an existing sched_avg_update(), but > anyway, please NAK the renames you don't want, hopefully not all, ;) > > - Removing scale_load_down() for load_avg may have some unknown ramifications, > is it worth trying? > > The previous post is at: http://thread.gmane.org/gmane.linux.kernel/2214387/focus=2218488 > > Thanks, > Yuyang > > -- > > Yuyang Du (9): > sched/fair: Chance LOAD_AVG_MAX_N from 345 to 347 > documentation: Add scheduler/sched-avg.txt > sched/fair: Add static to remove_entity_load_avg() > sched/fair: Rename variable names for sched averages > sched/fair: Change the variable to hold the number of periods to > 32-bit > sched/fair: Add __always_inline compiler attribute to > __accumulate_sum() > sched/fair: Optimize __update_sched_avg() > sched/fair: Remove scale_load_down() for load_avg > sched/fair: Rename scale_load() and scale_load_down() > > Documentation/scheduler/sched-avg.txt | 94 ++++++++ > include/linux/sched.h | 21 +- > kernel/sched/core.c | 8 +- > kernel/sched/fair.c | 382 +++++++++++++++++---------------- > kernel/sched/sched.h | 18 +- > 5 files changed, 317 insertions(+), 206 deletions(-) > create mode 100644 Documentation/scheduler/sched-avg.txt > > -- > 1.7.9.5
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