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From: Arjan van de Ven <arjan@infradead.org>
To: Sitsofe Wheeler <sitsofe@yahoo.com>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
peterz@infradead.org
Subject: Re: How how latent should non-preemptive scheduling be?
Date: Wed, 17 Sep 2008 14:54:00 -0700 [thread overview]
Message-ID: <20080917145400.29d1809c@infradead.org> (raw)
In-Reply-To: <48D17B47.7080704@yahoo.com>
On Wed, 17 Sep 2008 22:48:55 +0100
Sitsofe Wheeler <sitsofe@yahoo.com> wrote:
> Arjan van de Ven wrote:
> > this says you haven't done "make install" on the latencytop
> > directory so it's not translating things for you.. can you do that
> > please?
>
> > Cause Maximum
> >
Percentage
Scheduler: waiting for cpu 208 msec 59.4 %
you're rather CPU bound, and your process was woken up but didn't run for over 200 milliseconds..
that sounds like a scheduler fairness issue!
next prev parent reply other threads:[~2008-09-17 21:54 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.vMKgvqjqmYnI2J40GHoTENeYm8U@ifi.uio.no>
[not found] ` <fa.808p0ZtU9DCpeky4KfNS8Drdw9w@ifi.uio.no>
2008-09-17 21:48 ` Sitsofe Wheeler
2008-09-17 21:54 ` Arjan van de Ven [this message]
2008-09-17 22:29 ` Sitsofe Wheeler
2008-09-18 2:42 ` Peter Zijlstra
2008-09-18 18:25 ` Sitsofe Wheeler
2008-09-19 8:44 ` Ingo Molnar
[not found] <fa.ERZTl/6uH+mhNoef5fPJKTRjJag@ifi.uio.no>
[not found] ` <fa.PtPFzP5kIJVCCov6YCewrh+o4z4@ifi.uio.no>
[not found] ` <fa.C6WSm5Rh2Nb+Qho7b0qDOZ9RPV8@ifi.uio.no>
[not found] ` <fa.ch6j4qXs/2sFpLkHz5fXrtjTR8c@ifi.uio.no>
[not found] ` <fa.Jx/Ygtm46CVRawlA6OnfYNn6cN0@ifi.uio.no>
2008-09-18 7:26 ` Sitsofe Wheeler
[not found] ` <fa.iIHgL48F3T5VAqFw3mqaf9Pzrs4@ifi.uio.no>
[not found] ` <fa.Td8xkKZKMSMghlJmEYefTRVF2kc@ifi.uio.no>
2008-09-19 11:54 ` Sitsofe Wheeler
2008-09-19 14:20 ` Peter Zijlstra
2008-09-22 11:57 ` Ingo Molnar
2008-09-22 12:07 ` Steven Rostedt
2008-09-23 6:33 ` Sitsofe Wheeler
2008-09-23 11:53 ` Ingo Molnar
2008-09-23 16:30 ` Sitsofe Wheeler
2008-09-23 19:39 ` Sitsofe Wheeler
2008-09-23 22:01 ` Sitsofe Wheeler
2008-09-27 20:48 ` Ingo Molnar
2008-09-28 20:56 ` Sitsofe Wheeler
2008-09-29 8:37 ` Ingo Molnar
2008-09-29 23:11 ` Sitsofe Wheeler
2008-09-30 11:22 ` Ingo Molnar
2008-09-30 13:18 ` Sitsofe Wheeler
2008-09-17 21:18 Sitsofe Wheeler
2008-09-17 21:28 ` Sitsofe Wheeler
2008-09-17 21:34 ` Arjan van de Ven
2008-09-21 20:56 ` Matt Keenan
2008-09-22 6:50 ` Sitsofe Wheeler
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