From: Thomas Renninger <trenn-l3A5Bk7waGM@public.gmane.org>
To: Dominik Brodowski
<linux-X3ehHDuj6sIIGcDfoQAp7OTW4wlIGRCZ@public.gmane.org>
Cc: Shaohua Li <shaohua.li-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
ACPI-ML <linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Len Brown <len.brown-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Pallipadi Venkatesh
<venkatesh.pallipadi-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: [RFC 2/2] new C-state policy
Date: Wed, 11 Jan 2006 12:22:05 +0100 [thread overview]
Message-ID: <43C4EA5D.9040907@suse.de> (raw)
In-Reply-To: <20060111080402.GB599-JwFqNg2GrOVrgjWwlLH9qw@public.gmane.org>
Dominik Brodowski wrote:
> Hi,
>
>>> Also, the actual checking for bm_activity should be common code, e.g.
>> It's policy specific. Each policy could have its own method to calculate
>> bm_activity.
>
> What to do once bm_activity is or was detected, yes. How to determine
> whether there is current bus mastering activity, no -- that's core stuff,
> not policy stuff.
>
I had the experience that tweaking how bm_activity is detected could help a lot.
An aggressive policy might also accept some faulty transitions in respect of more
power saving achievements.
What about the way in the middle?:
A general check_bm_activity() function. This one can be overridden by more
complex policy drivers/modules.
I hope to get some time the next days to play with all this...
Thomas
-
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2006-01-11 11:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-10 4:12 [RFC 2/2] new C-state policy Shaohua Li
[not found] ` <1136866376.5750.29.camel-U5EdaLXB8smDugQYiPIPGdh3ngVCH38I@public.gmane.org>
2006-01-10 23:17 ` Dominik Brodowski
[not found] ` <20060110231711.GB30356-JwFqNg2GrOVrgjWwlLH9qw@public.gmane.org>
2006-01-11 2:00 ` Shaohua Li
[not found] ` <1136944855.5750.61.camel-U5EdaLXB8smDugQYiPIPGdh3ngVCH38I@public.gmane.org>
2006-01-11 8:04 ` Dominik Brodowski
[not found] ` <20060111080402.GB599-JwFqNg2GrOVrgjWwlLH9qw@public.gmane.org>
2006-01-11 11:22 ` Thomas Renninger [this message]
[not found] ` <43C4EA5D.9040907-l3A5Bk7waGM@public.gmane.org>
2006-01-11 13:51 ` Dominik Brodowski
[not found] ` <20060111135113.GA11960-JwFqNg2GrOVrgjWwlLH9qw@public.gmane.org>
2006-01-11 14:19 ` Thomas Renninger
2006-01-12 2:54 ` Shaohua Li
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=43C4EA5D.9040907@suse.de \
--to=trenn-l3a5bk7wagm@public.gmane.org \
--cc=len.brown-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org \
--cc=linux-X3ehHDuj6sIIGcDfoQAp7OTW4wlIGRCZ@public.gmane.org \
--cc=linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=shaohua.li-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org \
--cc=venkatesh.pallipadi-ral2JQCrhuEAvxtiuMwx3w@public.gmane.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.