linux-kernel - Re: [PATCH v2 2/3] perf: use hrtimer for event multiplexing

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Message-ID: <1347461060.15764.44.camel@twins>
Date:	Wed, 12 Sep 2012 16:44:20 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"mingo@...e.hu" <mingo@...e.hu>,
	"ak@...ux.intel.com" <ak@...ux.intel.com>,
	"Yan, Zheng" <zheng.z.yan@...el.com>,
	Robert Richter <robert.richter@....com>
Subject: Re: [PATCH v2 2/3] perf: use hrtimer for event multiplexing

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.
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