At Thu, 04 Feb 2010 07:25:03 -0800, Arjan van de Ven wrote: > > > > > I am sorry, are you trying to convince me that my problem is not real? > > You can compare to my completely idle system (I even closed the > > browser but with these residency values it doesn't really matter > > anymore in terms of power saving): > > > > Cn Avg residency > > C0 (cpu running) ( 4.7%) > > C0 0.1ms ( 0.0%) > > C1 mwait 0.0ms ( 0.0%) > > C2 mwait 0.1ms ( 0.5%) > > C6 mwait 2.9ms (94.8%) > > P-states (frequencies) > > 2.41 Ghz 2.3% > > 2.40 Ghz 0.4% > > 1.60 Ghz 0.9% > > 800 Mhz 96.5% > > Wakeups-from-idle per second : 369.8 interval: 15.0s > > Power usage (ACPI estimate): 12.2W (3.0 hours) > > Top causes for wakeups: > > 73.0% (363.4)<kernel IPI> : Rescheduling interrupts > > 9.2% ( 45.7)<interrupt> : extra timer interrupt > > 6.1% ( 30.3)<interrupt> : iwlagn > > 4.0% ( 19.8)<interrupt> : acpi > > 2.1% ( 10.5) gkrellm : schedule_hrtimeout_range > > (hrtimer_wakeup) > > 2.0% ( 10.1) xfwm4 : schedule_hrtimeout_range > > (hrtimer_wakeup) > > > > > so one of the things of this rescheduling interrupt is that it is sort of a > side effect of other wakeups/code running. > I bet that if you, say, stop gkrellm, you'll see it go down proportionally > ....
Not really. As I wrote in the first mail, it's all ok until I run any X processes (running just GDM is fine). Cn Avg residency C0 (cpu running) ( 2.3%) C0 0.1ms ( 0.0%) C1 mwait 0.0ms ( 0.0%) C2 mwait 0.1ms ( 0.2%) C6 mwait 5.6ms (97.5%) P-states (frequencies) 2.41 Ghz 3.4% 2.40 Ghz 0.0% 1.60 Ghz 4.0% 800 Mhz 92.7% Wakeups-from-idle per second : 195.6 interval: 15.0s Power usage (ACPI estimate): 12.2W (2.9 hours) Top causes for wakeups: 76.6% (242.6) <kernel IPI> : Rescheduling interrupts 9.3% ( 29.5) <interrupt> : iwlagn 5.9% ( 18.7) <interrupt> : acpi 2.0% ( 6.3) <interrupt> : extra timer interrupt 1.3% ( 4.2) <interrupt> : i...@pci:0000:00:02.0 And here with networking turned off: Cn Avg residency C0 (cpu running) ( 2.3%) C0 0.0ms ( 0.0%) C1 mwait 0.0ms ( 0.0%) C2 mwait 0.1ms ( 0.2%) C6 mwait 5.9ms (97.5%) P-states (frequencies) 2.41 Ghz 4.3% 2.40 Ghz 3.2% 1.60 Ghz 4.3% 800 Mhz 88.1% Wakeups-from-idle per second : 189.1 interval: 15.0s Power usage (ACPI estimate): 11.1W (3.2 hours) Top causes for wakeups: 82.9% (254.8) <kernel IPI> : Rescheduling interrupts 7.2% ( 22.0) <interrupt> : acpi 2.7% ( 8.3) <interrupt> : extra timer interrupt 1.1% ( 3.3) <interrupt> : i...@pci:0000:00:02.0 0.7% ( 2.3) <interrupt> : ahci 0.7% ( 2.0) xfce4-hdaps : schedule_hrtimeout_range (hrtimer_wakeup) _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
