I still see the same power consumption as with 2.6.38-8 (see #54). Wakeups dropped by ~40.
Linux wm 2.6.38-9-generic #43lp760131v201106060906 SMP Mon Jun 6 08:27:00 UTC 2011 i686 i686 i386 GNU/Linux
Cn Avg residency C0 (cpu running) ( 9.1%) polling 0.8ms ( 0.0%) C1 halt 0.0ms ( 0.0%) C2 0.3ms ( 0.8%) C3 3.8ms (90.2%) P-states (frequencies) 2.17 Ghz 4.5% 1.67 Ghz 0.2% 1333 Mhz 0.1% 1000 Mhz 95.2% Wakeups-from-idle per second : 264.0 interval: 300.0s Power usage (ACPI estimate): 23.9W (1.1 hours) Top causes for wakeups: 36.9% (143.3) [Rescheduling interrupts] <kernel IPI> 15.5% ( 60.1) [radeon] <interrupt> 13.0% ( 50.6) [kernel scheduler] Load balancing tick 12.8% ( 49.9) kworker/0:0 7.4% ( 28.7) [extra timer interrupt]
I still see the same power consumption as with 2.6.38-8 (see #54).
Wakeups dropped by ~40.
Linux wm 2.6.38-9-generic #43lp760131v201 106060906 SMP Mon Jun 6 08:27:00 UTC 2011 i686 i686 i386 GNU/Linux
Cn Avg residency
C0 (cpu running) ( 9.1%)
polling 0.8ms ( 0.0%)
C1 halt 0.0ms ( 0.0%)
C2 0.3ms ( 0.8%)
C3 3.8ms (90.2%)
P-states (frequencies)
2.17 Ghz 4.5%
1.67 Ghz 0.2%
1333 Mhz 0.1%
1000 Mhz 95.2%
Wakeups-from-idle per second : 264.0 interval: 300.0s
Power usage (ACPI estimate): 23.9W (1.1 hours)
Top causes for wakeups:
36.9% (143.3) [Rescheduling interrupts] <kernel IPI>
15.5% ( 60.1) [radeon] <interrupt>
13.0% ( 50.6) [kernel scheduler] Load balancing tick
12.8% ( 49.9) kworker/0:0
7.4% ( 28.7) [extra timer interrupt]