Re: [patch v7 0/8] sched: using runnable load avg in balance

From: Alex Shi
Date: Mon Jun 03 2013 - 02:44:49 EST

On 05/30/2013 03:01 PM, Alex Shi wrote:
> Anyway, since using runnable load avg in balance brings much benefit on
> performance and power. and this patch was reviewed for long time.
> So maybe it's time to let it clobbered in some sub-maintain tree, like tip
> or linux-next. Any comments?

What's your opinion about this patchset? Are there sth missing? :)

The patchset git tree is here:
git@xxxxxxxxxx:alexshi/power-scheduling.git runnablelb

> [patch v7 1/8] Revert "sched: Introduce temporary FAIR_GROUP_SCHED
> [patch v7 2/8] sched: move few runnable tg variables into CONFIG_SMP
> [patch v7 3/8] sched: set initial value of runnable avg for new
> [patch v7 4/8] sched: fix slept time double counting in enqueue
> [patch v7 5/8] sched: update cpu load after task_tick.

Patch 2~5 are the bug fixing.
> [patch v7 6/8] sched: compute runnable load avg in cpu_load and
> [patch v7 7/8] sched: consider runnable load average in move_tasks

Only patch 6th/7th enable the runnable load in load balance.
> [patch v7 8/8] sched: remove blocked_load_avg in tg

According to test, the 8th patch has performance gain.

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