linux-kernel - Re: [PATCH 3/3] perf: remove jiffies

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Date:	Fri, 07 Sep 2012 17:40:31 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, ak@...ux.intel.com,
	zheng.z.yan@...el.com, robert.richter@....com
Subject: Re: [PATCH 3/3] perf: remove jiffies_interval

On Fri, 2012-09-07 at 16:29 +0200, Stephane Eranian wrote:
> Obsolete because superseded by hrtimer based
> multiplexing.

Not entirely, the jiffies_interval allows different PMUs to have
different rotation speeds. Your code doesn't allow this.

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