Re: [RFC PATCH 0/9] Clean up and optimize sched averages
From: Yuyang Du
Date: Tue May 24 2016 - 00:23:38 EST
Could you give this a look?
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
> 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
> sched/fair: Add __always_inline compiler attribute to
> 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