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 ------------------------------------------------------------------------------ Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference _______________________________________________ Openipmi-developer mailing list Openipmi-developer@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/openipmi-developer