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From: Viresh Kumar <viresh.kumar@linaro.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Lists linaro-kernel <linaro-kernel@lists.linaro.org>
Subject: Re: [Query]: tick-sched: why don't we stop tick when we are running idle task?
Date: Mon, 14 Apr 2014 17:22:30 +0530	[thread overview]
Message-ID: <CAKohpon=_ZR+QbfacGT+G_atgcc21KMYG3YxPf0nkSDLBH8Q2A@mail.gmail.com> (raw)
In-Reply-To: <20140414114744.GI11096@twins.programming.kicks-ass.net>

On 14 April 2014 17:17, Peter Zijlstra <peterz@infradead.org> wrote:
> What causes this tick? I was under the impression that once there's a
> single task (not doing any syscalls) and the above issues are sorted, no
> more tick would happen.

This is what Frederic told me earlier:

https://lkml.org/lkml/2014/2/13/238

  reply	other threads:[~2014-04-14 11:52 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-09 10:33 [Query]: tick-sched: why don't we stop tick when we are running idle task? Viresh Kumar
2014-04-09 10:49 ` Viresh Kumar
2014-04-10 14:39   ` Frederic Weisbecker
2014-04-11 10:04     ` Viresh Kumar
2014-04-11 14:53       ` Frederic Weisbecker
2014-04-11 15:18         ` Peter Zijlstra
2014-04-11 16:38           ` Viresh Kumar
2014-04-14  9:48             ` Preeti Murthy
2014-04-14  9:51               ` Viresh Kumar
2014-04-14 11:02             ` Peter Zijlstra
2014-04-14 11:42               ` Viresh Kumar
2014-04-14 11:47                 ` Peter Zijlstra
2014-04-14 11:52                   ` Viresh Kumar [this message]
2014-04-14 12:06                     ` Peter Zijlstra
2014-04-15  6:04                       ` Viresh Kumar
2014-04-15  9:30                       ` Frederic Weisbecker
2014-04-15 10:52                         ` Peter Zijlstra
2014-04-15 10:53                           ` Peter Zijlstra
2014-04-23 11:12                         ` Viresh Kumar
2014-05-09  8:44                           ` Viresh Kumar
2014-05-13 23:30                             ` Frederic Weisbecker
2014-05-22  8:44                               ` Peter Zijlstra

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