From: Peter Zijlstra <peterz@infradead.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
Gregory Haskins <ghaskins@novell.com>, vatsa <vatsa@in.ibm.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] sched: properly account IRQ and RT load in SCHED_OTHER load balancing
Date: Thu, 21 Aug 2008 13:22:46 +0200 [thread overview]
Message-ID: <1219317766.8651.110.camel@twins> (raw)
In-Reply-To: <20080821111713.GA15680@elte.hu>
On Thu, 2008-08-21 at 13:17 +0200, Ingo Molnar wrote:
> * Ingo Molnar <mingo@elte.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.
next prev parent reply other threads:[~2008-08-21 11:23 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-21 9:18 [PATCH] sched: properly account IRQ and RT load in SCHED_OTHER load balancing Peter Zijlstra
2008-08-21 10:47 ` Ingo Molnar
2008-08-21 11:17 ` Ingo Molnar
2008-08-21 11:22 ` Peter Zijlstra [this message]
2008-08-21 11:40 ` Ingo Molnar
2008-08-21 11:36 ` Gregory Haskins
2008-08-21 11:41 ` Ingo Molnar
2008-08-21 12:26 ` Gregory Haskins
2008-08-21 12:43 ` Peter Zijlstra
2008-08-21 12:47 ` Gregory Haskins
2008-08-21 12:56 ` Peter Zijlstra
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