linux-kernel - Re: [RFC] Introduce greedy hrtimer walk on idle

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Message-ID: <1316807718.9084.48.camel@twins>
Date:	Fri, 23 Sep 2011 21:55:18 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Venkatesh Pallipadi <venki@...gle.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC] Introduce greedy hrtimer walk on idle

On Fri, 2011-09-23 at 11:54 -0700, Venkatesh Pallipadi wrote:
> Comments?

One of the reasons we didn't do it before was added cost to
hrtimer_{add,del}, did you measure workloads that are heavy on  that?
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