From: Oliver Neukum <oliver@neukum.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: kernel list <linux-kernel@vger.kernel.org>,
Linux-pm mailing list <linux-pm@lists.osdl.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: [RFC] sleepy linux
Date: Thu, 27 Dec 2007 00:15:39 +0100 [thread overview]
Message-ID: <200712270015.40165.oliver@neukum.org> (raw)
In-Reply-To: <20071226203258.GE8094@elf.ucw.cz>
Am Mittwoch, 26. Dezember 2007 21:32:58 schrieb Pavel Machek:
> On Wed 2007-12-26 21:23:37, Oliver Neukum wrote:
> > Am Mittwoch, 26. Dezember 2007 21:17:22 schrieb Pavel Machek:
> > > Is there an easy way to tell if all the devices are runtime suspended?
> >
> > Do you really want to know whether they are suspended or whether they
> > could be suspended?
>
> If they are suspended.
>
> My plan is: let the drivers autosuspend on their own. If I see all of
> them are autosuspended, then it looks like great time to put whole
> system into s2ram...
Your calculation of cost/benefit will be wrong. A driver will have timeouts
based on the cost of a suspend/resume cycle of that device only.
You'd have to calculate of keeping the whole system awake against that.
Regards
Oliver
next prev parent reply other threads:[~2007-12-26 23:15 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-25 23:07 [RFC] sleepy linux Pavel Machek
2007-12-26 17:28 ` Oliver Neukum
2007-12-26 19:02 ` Pavel Machek
2007-12-26 20:17 ` Pavel Machek
2007-12-26 20:23 ` Oliver Neukum
2007-12-26 20:32 ` Pavel Machek
2007-12-26 23:15 ` Oliver Neukum [this message]
2007-12-29 23:48 ` Pavel Machek
2007-12-27 9:41 ` Oliver Neukum
2007-12-29 23:51 ` Pavel Machek
2007-12-30 16:39 ` Oliver Neukum
2007-12-31 14:44 ` Pavel Machek
2008-01-02 10:52 ` Oliver Neukum
2007-12-26 18:56 ` H. Peter Anvin
2007-12-26 19:00 ` Pavel Machek
2007-12-26 19:22 ` H. Peter Anvin
2007-12-26 20:08 ` Oliver Neukum
2007-12-26 20:43 ` H. Peter Anvin
2007-12-26 20:51 ` Pavel Machek
2007-12-26 20:54 ` H. Peter Anvin
2007-12-29 23:44 ` Pavel Machek
2007-12-26 20:09 ` [linux-pm] " Igor Stoppa
2007-12-30 11:15 ` Ingo Molnar
2008-01-05 21:51 ` Pavel Machek
2008-01-08 16:37 ` Ingo Molnar
2008-01-08 19:15 ` Pavel Machek
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=200712270015.40165.oliver@neukum.org \
--to=oliver@neukum.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@lists.osdl.org \
--cc=pavel@ucw.cz \
--cc=rjw@sisk.pl \
/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