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Message-ID: <1347461060.15764.44.camel@twins>
Subject: Re: [PATCH v2 2/3] perf: use hrtimer for event multiplexing
From: Peter Zijlstra <peterz@infradead.org>
To: Stephane Eranian <eranian@google.com>
Cc: LKML <linux-kernel@vger.kernel.org>, "mingo@elte.hu" <mingo@elte.hu>,
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        Robert Richter <robert.richter@amd.com>
Date: Wed, 12 Sep 2012 16:44:20 +0200
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On Wed, 2012-09-12 at 16:43 +0200, Stephane Eranian wrote:
> The hrtimer_active is used to prevent activating the timer multiple times
> in a row. 

see hrtimer_active(), this should do what you want I think.