linux-kernel - Re: Xen is a feature

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Date:	Sun, 07 Jun 2009 18:32:40 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	Avi Kivity <avi@...hat.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	George Dunlap <george.dunlap@...citrix.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	David Miller <davem@...emloft.net>,
	"jeremy@...p.org" <jeremy@...p.org>,
	Dan Magenheimer <dan.magenheimer@...cle.com>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Keir Fraser <Keir.Fraser@...citrix.com>,
	"gregkh@...e.de" <gregkh@...e.de>,
	"kurt.hackel@...cle.com" <kurt.hackel@...cle.com>,
	Ian Pratt <Ian.Pratt@...citrix.com>,
	"xen-users@...ts.xensource.com" <xen-users@...ts.xensource.com>,
	ksrinivasan <ksrinivasan@...ell.com>,
	"EAnderson@...ell.com" <EAnderson@...ell.com>,
	"wimcoekaerts@...mekes.net" <wimcoekaerts@...mekes.net>,
	Stephen Spector <stephen.spector@...rix.com>,
	"jens.axboe@...cle.com" <jens.axboe@...cle.com>,
	"npiggin@...e.de" <npiggin@...e.de>
Subject: Re: Xen is a feature

On Sun, 2009-06-07 at 15:46 +0300, Avi Kivity wrote:
> Ingo Molnar wrote:
> >
> > The 'slim hypervisor' model i was suggesting was a slimmed down 
> > _Linux_ kernel.
> >   
> 
> Yeah, I lost the context.  I should reduce my own context switching.
> 

It would be better if we monitor the switching, entry/exit and other
useful parameters in count and frequency using debugfs to increase the
performance.

Thanks,
--
JSR

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