linux-kernel - Re: CFS Bandwidth Control - Test results of cgroups tasks pinned vs unpinnede

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Message-ID: <20110921173411.GA6794@linux.vnet.ibm.com>
Date:	Wed, 21 Sep 2011 23:04:11 +0530
From:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Paul Turner <pjt@...gle.com>,
	Vladimir Davydov <vdavydov@...allels.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Bharata B Rao <bharata@...ux.vnet.ibm.com>,
	Dhaval Giani <dhaval.giani@...il.com>,
	Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...e.hu>,
	Pavel Emelianov <xemul@...allels.com>
Subject: Re: CFS Bandwidth Control - Test results of cgroups tasks pinned vs
 unpinnede

* Peter Zijlstra <a.p.zijlstra@...llo.nl> [2011-09-20 14:55:20]:

> On Thu, 2011-09-15 at 23:25 +0530, Kamalesh Babulal wrote:
> 
(snip)
> > rm -rf test*
> > rm -rf t*
> 
> You're insane, right?

Ofcourse not :-). It's a typo. it should have been 
rm -rf r* to delete the temporary files created by 
the original script (Only the part which does the
se.nr_migrations calculation was posted). 

> > ITERATIONS=60			# No of Iterations to capture the details
> > NUM_CPUS=$(cat /proc/cpuinfo |grep -i proces|wc -l)
> > 
> > NUM_HOGS=$((NUM_CPUS * 2))	# No of hogs threads to invoke
> > 
(snip)
> > for i in $(seq 1 $NUM_HOGS)
> > do
> > 	./while$i &
> 
> You can kill the above two blocks by doing:
> 
> 	while :; do :; done &

Thanks. Got to knew this from your commit 866ab43efd325fae88 previously.

Thanks,
Kamalesh.
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