From: Arjan van de Ven <arjan@linux.intel.com>
To: Chris Snook <csnook@redhat.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: logging server C-state time?
Date: Mon, 3 Nov 2008 11:59:52 -0800 [thread overview]
Message-ID: <20081103115952.69276f61@linux.intel.com> (raw)
In-Reply-To: <490F5568.2090003@redhat.com>
On Mon, 03 Nov 2008 14:47:52 -0500
Chris Snook <csnook@redhat.com> wrote:
> Hey folks --
>
> I'm interested in logging the amount of time that server CPUs spend
> in various C-states over the course of a complicated job, ideally in
> a manner I could sync up with output from sysstat tools. So far all
> the tools I've seen for power monitoring seem to be targeted to
> laptops and interactive use, but I'm looking for something that's
> scriptable and doesn't need ACPI battery information, even if that
> means relying on indirect measurements of power use like C-states.
> Any suggestions?
powertop gives you the C state information accumulated over time...
just look at the code how it does that ;)
--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
prev parent reply other threads:[~2008-11-03 19:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-03 19:47 logging server C-state time? Chris Snook
2008-11-03 19:59 ` Arjan van de Ven [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=20081103115952.69276f61@linux.intel.com \
--to=arjan@linux.intel.com \
--cc=csnook@redhat.com \
--cc=linux-kernel@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