linux-kernel - Re: [PATCH] perf_events: fix broken intr throttling (v3)

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Message-ID: <4F2199E4.3020107@fb.com>
Date:	Thu, 26 Jan 2012 10:22:28 -0800
From:	Arun Sharma <asharma@...com>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	Stephane Eranian <eranian@...gle.com>,
	<linux-kernel@...r.kernel.org>, <mingo@...e.hu>, <gleb@...hat.com>,
	<wcohen@...hat.com>, <vince@...ter.net>, <andi@...stfloor.org>
Subject: Re: [PATCH] perf_events: fix broken intr throttling (v3)

On 1/26/12 8:16 AM, Peter Zijlstra wrote:
> On Thu, 2012-01-26 at 17:03 +0100, Stephane Eranian wrote:
>> This patch fixes the throttling mechanism. It was broken
>> in 3.2.0. Events were not being unthrottled. The unthrottling
>> mechanism required that events be checked at each timer tick.
>>
>> This patch solves this problem and also separates:
>>    - unthrottling
>>    - multiplexing
>>    - frequency-mode period adjustments
>
> Thanks!

Should this be Cc'ed to stable@?

  -Arun
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