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SubjectRe: [RFC v1] Tunable sched_mc_power_savings=n
Andi Kleen <andi@firstfloor.org> said on Fri, 27 Jun 2008 00:38:53 +0200:
>>Peter Zijlstra wrote:
>>>>And your workload manager could just nice processes. It should probably
>>>>do that anyways to tell ondemand you don't need full frequency.
>>>
>>>Except that I want my nice 19 distcc processes to utilize as much cpu as
>>>possible, but just not bother any other stuff I might be doing...
>>
>>They already won't do that if you run ondemand and cpufreq. It won't
>>crank up the frequency for niced processes.


Tim Connors then wrote:
> Shouldn't there be a powernice, just as there is an ionice and a nice?
Hmmn, how about:

User Commands nice(1)

NAME
nice - invoke a command with an altered priority

SYNOPSIS
/usr/bin/nice [-increment | -n increment] [-s|-i|-e|-p] command [argu-
ment...]

DESCRIPTION
The nice utility invokes command, requesting that it be run
with a different priority. If -i is specified, the priority
of (disk) I/O is modified. If -e is specified, ethernet (or
other networking) priority is changed. If -p is specified, power
usage priority is changed and if -s is specified, or none
of -1, -e or -p is specified, then system scheduling priority
is modified...

--dave
--
David Collier-Brown | Always do right. This will gratify
Sun Microsystems, Toronto | some people and astonish the rest
davecb@sun.com | -- Mark Twain
(905) 943-1983, cell: (647) 833-9377, (800) 555-9786 x56583
bridge: (877) 385-4099 code: 506 9191#


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