linux-kernel - Re: 2.6.21-rc6-mm1

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Message-Id: <200704111239.06259.ak@suse.de>
Date:	Wed, 11 Apr 2007 12:39:05 +0200
From:	Andi Kleen <ak@...e.de>
To:	eranian@....hp.com
Cc:	Venki Pallipadi <venkatesh.pallipadi@...el.com>,
	Adam Belay <abelay@...ell.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, randy.dunlap@...cle.com,
	lenb@...nel.org
Subject: Re: 2.6.21-rc6-mm1


> The next kernel patch for Perfmon will not make use of the idle notification
> anymore on any platform.

What do you use instead? 

I've been actually thinking to add idle notifier support to oprofile to correct
for the "perfctr doesn't tick in idle" issue which makes numbers not add up to 100%. 
A lot of people are currently running idle=poll to work around this and that is very
wasteful.

-Andi
 
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