linux-kernel - Re: [RFC PATCH 0/4] Gang scheduling in CFS

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Message-ID: <8762hcbsrv.fsf@abhimanyu.in.ibm.com>
Date:	Mon, 19 Dec 2011 18:52:28 +0530
From:	Nikunj A Dadhania <nikunj@...ux.vnet.ibm.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	peterz@...radead.org, linux-kernel@...r.kernel.org,
	vatsa@...ux.vnet.ibm.com, bharata@...ux.vnet.ibm.com
Subject: Re: [RFC PATCH 0/4] Gang scheduling in CFS

On Mon, 19 Dec 2011 17:15:05 +0530, Nikunj A Dadhania <nikunj@...ux.vnet.ibm.com> wrote:
> > 
> > What's behind this huge speedup? Does ebizzy use user-space 
> > spinlocks perhaps? Could we do something on the user-space side 
> > to get a similar speedup?
> > 
> Some more oprofile data here for the above ebizzy-2VM run:
> 
That is readprofile data, kernel booted with profile=2

Nikunj

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