From: Con Kolivas <kernel@kolivas.org>
To: Andrew Morton <akpm@osdl.org>, Steven Pratt <slpratt@austin.ibm.com>
Subject: Re: [PATCH] Minor scheduler fix to get rid of skipping in xmms
Date: Tue, 9 Sep 2003 12:31:48 +1000
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On Tue, 9 Sep 2003 12:16, Con Kolivas wrote:
> On Tue, 9 Sep 2003 12:10, Con Kolivas wrote:
> > On Tue, 9 Sep 2003 08:56, Andrew Morton wrote:
> > > Steven Pratt <slpratt@austin.ibm.com> wrote:
> > > > For specjbb things are looking good from a throughput point of view.
> > > > ...
> > > > Volanomark, on the other hand is still off by quite a bit from test4
> > > > stock
> > >
> > > hmm, thanks.
> > >
> > > I'm not sure that volanomark is very representative of any real-world
> > > thing.
> > >
> > > > ...
> > > > If thre is any particular patch/tree combination you would like me to
> > > > try out, please let me know and I will see if I can get the results
> > > > for you.
> > >
> > > Could we please see test5 versus test5 plus Andrew's patch?
> > >
> > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-tes
> > >t4 /2 .6.0-test4-mm6/broken-out/sched-CAN_MIGRATE_TASK-fix.patch
> > >
> > > and if you have time, also test5 plus sched-CAN_MIGRATE_TASK-fix.patch
> > > plus
> > >
> > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-tes
> > >t4 /2
> > > .6.0-test4-mm6/broken-out/sched-balance-fix-2.6.0-test3-mm3-A0.patch
> >
> > Interestingly enough this drops the volano results the same proportion as
> > Ingo's A3 patch. 11000 ->10400 throughput with same idle, but more
> > schedule().
> >
> > I've posted some results for test5 volano and test5-A0 here:
> > http://kernel.kolivas.org/2.5/volano
> >
> > More testing underway.
>
> Correction sorry: These changes were due to
> sched-CAN_MIGRATE_TASK-fix.patch and the test results say
> volano-results-2.6.0-test5-A0-*

Further testing shows the patch: sched-balance-fix-2.6.0-test3-mm3-A0.patch to 
have no effect on volano results by itself. 

Con

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