linux-kernel - Re: [Query]: tick-sched: why don't we stop tick when we are running idle task?

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAKohpon=_ZR+QbfacGT+G_atgcc21KMYG3YxPf0nkSDLBH8Q2A@mail.gmail.com>
Date:	Mon, 14 Apr 2014 17:22:30 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Lists linaro-kernel <linaro-kernel@...ts.linaro.org>
Subject: Re: [Query]: tick-sched: why don't we stop tick when we are running
 idle task?

On 14 April 2014 17:17, Peter Zijlstra <peterz@...radead.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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/