linux-kernel - Re: [Resend patch v8 0/13] use runnable load in schedule balance

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Message-ID: <20130626142759.GM28407@twins.programming.kicks-ass.net>
Date:	Wed, 26 Jun 2013 16:27:59 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Alex Shi <alex.shi@...el.com>
Cc:	mingo@...hat.com, tglx@...utronix.de, akpm@...ux-foundation.org,
	arjan@...ux.intel.com, bp@...en8.de, pjt@...gle.com,
	namhyung@...nel.org, efault@....de, morten.rasmussen@....com,
	vincent.guittot@...aro.org, gregkh@...uxfoundation.org,
	preeti@...ux.vnet.ibm.com, viresh.kumar@...aro.org,
	linux-kernel@...r.kernel.org, len.brown@...el.com,
	rafael.j.wysocki@...el.com, jkosina@...e.cz,
	clark.williams@...il.com, tony.luck@...el.com,
	keescook@...omium.org, mgorman@...e.de, riel@...hat.com
Subject: Re: [Resend patch v8 0/13] use runnable load in schedule balance

On Thu, Jun 20, 2013 at 10:18:44AM +0800, Alex Shi wrote:
> Resend patchset for more convenient pick up.
> This patch set combine 'use runnable load in balance' serials and 'change 
> 64bit variables to long type' serials. also collected Reviewed-bys, and 
> Tested-bys.
> 
> The only changed code is fixing load to load_avg convert in UP mode, which
> found by PeterZ in task_h_load().
> 
> Paul still has some concern of blocked_load_avg out of balance consideration.
> but I didn't see the blocked_load_avg usage was thought through now, or some 
> strong reason to make it into balance.
> So, according to benchmarks testing result I keep patches unchanged.
> 
> [Resend patch v8 01/13] Revert "sched: Introduce temporary
> [Resend patch v8 02/13] sched: move few runnable tg variables into
> [Resend patch v8 03/13] sched: set initial value of runnable avg for
> [Resend patch v8 04/13] sched: fix slept time double counting in
> [Resend patch v8 05/13] sched: update cpu load after task_tick.
> [Resend patch v8 06/13] sched: compute runnable load avg in cpu_load
> [Resend patch v8 07/13] sched: consider runnable load average in
> [Resend patch v8 08/13] sched/tg: remove blocked_load_avg in balance
> [Resend patch v8 09/13] sched: change cfs_rq load avg to unsigned
> [Resend patch v8 10/13] sched/tg: use 'unsigned long' for load
> [Resend patch v8 11/13] sched/cfs_rq: change atomic64_t removed_load
> [Resend patch v8 12/13] sched/tg: remove tg.load_weight
> [Resend patch v8 13/13] sched: get_rq_runnable_load() can be static

I applied all except patch 8.
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