linux-kernel - Re: Scheduler accounting inflated for io bound processes.

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Message-ID: <20130626104243.GE28407@twins.programming.kicks-ass.net>
Date:	Wed, 26 Jun 2013 12:42:43 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Mike Galbraith <bitbucket@...ine.de>,
	Dave Chiluk <chiluk@...onical.com>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: Scheduler accounting inflated for io bound processes.

On Wed, Jun 26, 2013 at 11:37:13AM +0200, Ingo Molnar wrote:
> Would be very nice to randomize the sampling rate, by randomizing the 
> intervals within a 1% range or so - perf tooling will probably recognize 
> the different weights.

You're suggesting adding noise to the regular kernel tick?
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