linux-kernel - Re: [PATCH] sched: properly account IRQ and RT load in SCHED

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Date:	Thu, 21 Aug 2008 13:22:46 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Nick Piggin <nickpiggin@...oo.com.au>,
	Gregory Haskins <ghaskins@...ell.com>,
	vatsa <vatsa@...ibm.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sched: properly account IRQ and RT load in SCHED_OTHER
	load balancing

On Thu, 2008-08-21 at 13:17 +0200, Ingo Molnar wrote:
> * Ingo Molnar <mingo@...e.hu> wrote:
> 
> > > This patch tries to solve this issue by accounting the time spend on 
> > > both Real-Time tasks and IRQ handling, and using that to 
> > > proportionally inflate the SCHED_OTHER load.
> > 
> > applied it to tip/sched/devel for more testing.
> 
> -tip testing found that it wouldnt build on UP in sched_debug.c - made 
> that bit dependent on CONFIG_SMP. sched_scale_load() does not seem to be 
> too meaningful on UP.

Thanks - just prior to posting I removed the empty stub for
sched_scale_load() because it didn't make sense for UP code to use it...

So much for double checking myself.

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