Messages in this thread | | | From | Toralf Förster <> | Subject | Re: cpu frequency maximized even for a niced job w/ v2.6.29-rc3 | Date | Sat, 7 Feb 2009 21:48:19 +0100 |
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At Saturday 07 February 2009 20:55:45 Arjan van de Ven wrote : > On Sat, 7 Feb 2009 11:30:10 +0100 > > Toralf Förster <toralf.foerster@gmx.de> wrote: > > I'm wondering, why my ThinkPad T41 goes from 600 MHz to 1.7 GHz if I > > run this job : > > > > $> while [[ true ]]; do nice -3 factor 273244676154386297; done > > > > under v2.6.29-rc3-562-geda58a8. > > > > Former version stays at min frequency (600 MHz). > > The kernel has defaulted to this for I think a really long time; > maybe your "former version" was a distribution kernel with patches? > > Either way this is a simple tunable in sysfs; and to be honest, > going to the full speed is very often the right behavior so as a > default it is quite sane... Oh - maybe I for got to mention that I set ./ondemand/ignore_nice_load to "1"
-- MfG/Sincerely
Toralf Förster pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
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