Messages in this thread | | | From | Yuyang Du <> | Subject | [PATCH 0/6] Optimize sched averages computation | Date | Thu, 28 Apr 2016 10:56:07 +0800 |
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I started to optimize __update_load_avg() for flat util hierarchy implementation. Since it was started, let me finish.
The flat util hierarchy is not in this patchset. I am still pondering whether we add sched_avg in rq to do it or simply and only update cfs_rq util when we update the top cfs_rq (Dietmar and Vincent took this approach). I think this needs some experiments.
Yuyang Du (6): sched/fair: Optimize sum computation with a lookup table sched/fair: Rename variable names for sched averages sched/fair: Change the variable to hold the number of periods to 32bit integer sched/fair: Add __always_inline compiler attribute to __accumulate_sum() sched/fair: Optimize __update_sched_avg() documentation: Add scheuler/sched-avg.txt
Documentation/scheduler/sched-avg.txt | 160 +++++++++++++++ kernel/sched/fair.c | 352 +++++++++++++++++---------------- 2 files changed, 339 insertions(+), 173 deletions(-) create mode 100644 Documentation/scheduler/sched-avg.txt
-- 1.7.9.5
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