linux-kernel - Re: [PATCH v5 0/2] perf: use hrtimer for event multiplexing

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Message-ID: <CAFTL4hxw0zZpKidZvUL5BfSC8j5tWEN+YDHx2=dVrAJFfgn4Cg@mail.gmail.com>
Date:	Mon, 25 Mar 2013 13:21:04 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Stephane Eranian <eranian@...gle.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, mingo@...e.hu, ak@...ux.intel.com,
	acme@...hat.com, jolsa@...hat.com, namhyung.kim@....com
Subject: Re: [PATCH v5 0/2] perf: use hrtimer for event multiplexing

2013/3/25 Peter Zijlstra <peterz@...radead.org>:
> On Fri, 2013-03-22 at 14:54 +0100, Frederic Weisbecker wrote:
>> And I have to say this patch is going to be very useful for the full
>> dynticks tree. We are happy to get rid of that tick hook.
>
> I'm sorry to have to disappoint, but the tick hook is still there ;-),
> its just no longer used for counter rotation. Of course we have
> multiple uses for the tick, what did you think :-)
>

Haha!
Bah, at least some significant part of the work is pulled outside the hook :)
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