Vaidyanathan Srinivasan wrote: > Hi Arjan, > > I have been using powertop to find wakeup events and try to correlate > with total interrupts received by the idle system. I want to see the > rate of local timer interrupts go down as we optimise the drivers and > user-space applications to avoid polling. > > I observed that powertop shows very low wake-from-idle rate on SMP > system and the wake-from-idle rate is very high when all other CPUs are > offlined and only CPU0 is operational. I have routed all irqs to CPUs > before the experiment.
powertop shows wakeups *per cpu* ... _______________________________________________ Discuss mailing list [email protected] http://mail.lesswatts.org/mailman/listinfo/discuss
