From: Dave Jones <davej@redhat.com>
To: "Moore, Robert" <robert.moore@intel.com>
Cc: cpufreq@www.linux.org.uk
Subject: Re: Dynamic frequency governor
Date: Sun, 19 Oct 2003 14:24:23 +0100 [thread overview]
Message-ID: <20031019132422.GE8018@redhat.com> (raw)
In-Reply-To: <CFF522B18982EA4481D3A3E23B83141C24B4AA@orsmsx407.jf.intel.com>
On Fri, Oct 17, 2003 at 02:14:38PM -0700, Moore, Robert wrote:
> I've been chartered to implement a multi-state algorithm for Linux;
> this will be a new governor that adjusts the CPU frequency based upon
> percent CPU utilization as reported from the kernel idle handler.
>
> Has any work been done (or is being done) in this area? I don't want to
> rewrite the wheel.
There are several patents in this area (I think from Hitachi, I forget
exactly) It has come up before on the list, so should be in the
archives. Unless you can get a grant from the holder that it may be
used in GPL code, this has zero chance of being merged to mainline.
Dave
--
Dave Jones http://www.codemonkey.org.uk
next prev parent reply other threads:[~2003-10-19 13:24 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-17 21:14 Dynamic frequency governor Moore, Robert
2003-10-18 5:00 ` Jeremy Fitzhardinge
2003-10-18 5:58 ` Vivek Haldar
2003-10-19 21:34 ` Jeroen van der Vegt
2003-10-18 6:44 ` David Kar-Fai Tam
2003-12-22 21:41 ` David Kar-Fai Tam
2004-02-14 17:09 ` Dominik Brodowski
2003-10-19 13:24 ` Dave Jones [this message]
2003-10-20 15:40 ` Daniel Thor Kristjansson
-- strict thread matches above, loose matches on Subject: below --
2003-10-20 15:31 Moore, Robert
2003-10-20 15:39 ` Dave Jones
2003-10-20 16:33 Moore, Robert
2003-10-20 17:00 ` Dave Jones
2003-10-20 17:12 ` Daniel Thor Kristjansson
2003-10-20 17:25 ` Ducrot Bruno
2003-10-20 17:32 ` Dave Jones
2003-10-20 17:35 ` Ducrot Bruno
2003-10-20 18:10 ` Dave Jones
2003-10-20 23:28 ` Sven Dowideit
2003-10-20 17:08 Moore, Robert
2003-10-21 20:31 ` Dave Jones
2003-10-21 22:21 ` David Kar-Fai Tam
2003-10-21 23:19 ` Dave Jones
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