linux-kernel - Re: [PATCH 03/12] perf: add perf_event_task

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Date:	Wed, 05 May 2010 11:11:24 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Tejun Heo <tj@...nel.org>, mingo@...e.hu, efault@....de,
	avi@...hat.com, paulus@...ba.org, acme@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/12] perf: add perf_event_task_migrate()

On Wed, 2010-05-05 at 07:08 +0200, Frederic Weisbecker wrote:
> 
> In fact why not moving both tracing calls under this check.
> This is going to fix the migrate trace event that gets called
> even on "spurious" migrations, and you avoid the duplicate check
> in the perf callback. 

I kept the tracepoint out of that because I wanted to see how often it
attempts silly migrations :-)



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