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From: Anton Blanchard <anton@samba.org>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@elte.hu>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mundt <lethal@linux-sh.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf: Fix inconsistency between IP and callchain sampling
Date: Fri, 22 Jan 2010 13:04:08 +1100	[thread overview]
Message-ID: <20100122020408.GC2860@kryten> (raw)
In-Reply-To: <20100118104305.GA5256@nowhere>

 
Hi Frederic,

> Concerning interrupts that happen in idle, I think we should filter
> these if exclude_idle = 1. That looks more something a user may
> want: if we don't want to profile idle, neither do we want to encumber with
> interrupts that occur inside. On the opposite, if someone wants a finegrained
> profile, let's get idle and its interrupts.
> 
> What do you guys think about that?

Yeah that sounds reasonable to me. Thanks for looking into it!

Anton

  reply	other threads:[~2010-01-22  2:07 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-18  5:47 [PATCH] perf: Fix inconsistency between IP and callchain sampling Anton Blanchard
2010-01-18 10:43 ` Frederic Weisbecker
2010-01-22  2:04   ` Anton Blanchard [this message]
2010-01-22  7:25   ` Ingo Molnar
2010-01-21 13:20 ` Frederic Weisbecker
2010-01-29  9:24 ` [tip:perf/core] " tip-bot for Anton Blanchard

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