Messages in this thread | | | Date | Mon, 3 Nov 2008 11:59:52 -0800 | From | Arjan van de Ven <> | Subject | Re: logging server C-state time? |
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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
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