From: Arjan van de Ven <arjan@infradead.org>
To: Shaohua Li <shaohua.li@intel.com>
Cc: Len Brown <lenb@kernel.org>, "Li, Aubrey" <aubrey.li@intel.com>,
linux acpi <linux-acpi@vger.kernel.org>
Subject: Re: [RFC]cpuidle: disable menu governor if nohz is disabled
Date: Tue, 30 Aug 2011 19:35:55 -0700 [thread overview]
Message-ID: <20110830193555.5f832351@infradead.org> (raw)
In-Reply-To: <1314755767.29510.57.camel@sli10-conroe>
On Wed, 31 Aug 2011 09:56:07 +0800
Shaohua Li <shaohua.li@intel.com> wrote:
> Lenb,
> Aubrey is asking me to fix the issue. So either we delete disable nohz
> code or fix cpuidle. if you want to fix cpuidle, here it is.
>
> Thanks,
> SHaohua
>
> Subject: cpuidle: disable menu governor if nohz is disabled
>
> Aubrey is asking why nohz disables C-state. nohz has no dependency
> with idle, but menu governor does. If nohz is disabled, using menu
> governor is pointless, because we never get correct sleep length, so
> let's use ladder governor just like nohz isn't compiled in.
>
I would prefer to not allow nohz.......
--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
next prev parent reply other threads:[~2011-08-31 2:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-31 1:56 [RFC]cpuidle: disable menu governor if nohz is disabled Shaohua Li
2011-08-31 2:22 ` Li, Aubrey
2011-08-31 2:35 ` Arjan van de Ven [this message]
2011-08-31 4:50 ` Shaohua Li
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