Randy Dunlap wrote: > [FYI; resend, bounced from other email address] > > > 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) > > Signed-off-by: Randy Dunlap <randy.dun...@oracle.com> > Cc: Corey Minyard <miny...@acm.org> > Cc: openipmi-develo...@lists.sourceforge.net
sounds like a reasonable patch and small improvement, nice Auke _______________________________________________ Discuss mailing list Discuss@lesswatts.org http://lists.lesswatts.org/listinfo/discuss
