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Message-ID: <4629152C.7020801@tmr.com>
Date: Fri, 20 Apr 2007 15:31:56 -0400
From: Bill Davidsen <davidsen@....com>
To: caglar@...dus.org.tr
CC: Ingo Molnar <mingo@...e.hu>,
Christoph Pfister <christophpfister@...il.com>,
linux-kernel@...r.kernel.org,
Michael Lothian <mike@...eburn.co.uk>,
Christophe Thommeret <hftom@...e.fr>,
Jurgen Kofler <kaffeine@....net>,
Ulrich Drepper <drepper@...hat.com>
Subject: Re: Kaffeine problem with CFS
S.Çag(lar Onur wrote:
> 18 Nis 2007 Çar tarihinde, Ingo Molnar s,unlar? yazm?s,t?:
>> * S.Çag(lar Onur <caglar@...dus.org.tr> wrote:
>>> - schedule();
>>> + msleep(1);
>>>
>>> which Ingo sends me to try also has the same effect on me. I cannot
>>> reproduce hangs anymore with that patch applied top of CFS while one
>>> console checks out SVN repos and other one compiles a small test
>>> software.
>> great! Could you please unapply the hack above and try the proper fix
>> below, does this one solve the hangs too?
>
> Instead of that one, i tried CFSv3 and i cannot reproduce the hang anymore,
> Thanks!...
>
And that explains why CFS-v3 on 21-rc7-git3 wouldn't show me the hang.
As a matter of fact, nothing I did showed any bad behavior! Note that I
was doing actual badly behaved things which do sometimes glitch the
standard scheduler, not running benchmarks.
This scheduler is boring, everything works. I am going to try some tests
on a uniprocessor, though, I have been running everything on either SMP
or HT CPUs. But so far it looks fine.
--
Bill Davidsen <davidsen@....com>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
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