From: Shaohua Li <shaohua.li@intel.com>
To: Arjan van de Ven <arjan@infradead.org>
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: Wed, 31 Aug 2011 12:50:24 +0800 [thread overview]
Message-ID: <1314766224.29510.61.camel@sli10-conroe> (raw)
In-Reply-To: <20110830193555.5f832351@infradead.org>
On Wed, 2011-08-31 at 10:35 +0800, Arjan van de Ven wrote:
> 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.......
is there any risk to do this? maybe lenb can answer why previous attempt
to do this failed.
prev parent reply other threads:[~2011-08-31 4:48 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
2011-08-31 4:50 ` Shaohua Li [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1314766224.29510.61.camel@sli10-conroe \
--to=shaohua.li@intel.com \
--cc=arjan@infradead.org \
--cc=aubrey.li@intel.com \
--cc=lenb@kernel.org \
--cc=linux-acpi@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox