Arjan van de Ven wrote: > On Wed, 21 Oct 2009 10:28:22 -0700 > Randy Dunlap <randy.dun...@oracle.com> wrote: > >> From: Randy Dunlap <randy.dun...@oracle.com> >> >> Use a round_jiffies() variant to reduce overhead of timer >> wakeups. This causes the ipmi timers to occur at the same >> time as other timers (per CPU). >> >> Typical powertop for /ipmi/ (2.6.31, before patch): >> 11.4% (247.4) kipmi0 : __mod_timer (process_timeout) >> 0.6% ( 13.1) <interrupt> : ipmi_si >> 0.5% ( 10.0) <kernel core> : __mod_timer (ipmi_timeout) >> >> powertop for /ipmi/, 2.6.31, after patch: >> 10.8% (247.6) kipmi0 : __mod_timer (process_timeout) >> 0.3% ( 6.9) <interrupt> : ipmi_si >> 0.0% ( 1.0) <kernel core> : __mod_timer (ipmi_timeout) > > while it is nice that ipmi_si ande the timer wake up less now.... it's > still rather sad that the 247.6 from kipmi0 are still there..... those > are a much much bigger issue
obviously :) Randy, any idea where those are coming from ? Auke _______________________________________________ Discuss mailing list Discuss@lesswatts.org http://lists.lesswatts.org/listinfo/discuss
