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https://bugzilla.novell.com/show_bug.cgi?id=334170#c2


Péter Kerékfy <kerekfyp@xxxxxxxx> changed:

           What    |Removed                                         |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                                        |NEW
      Info Provider|kerekfyp@xxxxxxxx                               |




--- Comment #2 from Péter Kerékfy <kerekfyp@xxxxxxxx>  2007-10-16 03:46:31 MST 
---
After reboot and before any suspend powertop prints:

Cn                Avg residency       P-states (frequencies)
C0 (cpu running)        ( 7,2%)         2,00 Ghz     0,6%
C1                0,0ms ( 0,0%)         1,67 Ghz     0,0%
C2                1,4ms (92,8%)         1333 Mhz     0,0%
                                        1000 Mhz    99,4%


Wakeups-from-idle per second : 653,5    interval: 10,0s
no ACPI power usage estimate available

Top causes for wakeups:
  35,1% (242,4)       <interrupt> : extra timer interrupt
  18,5% (127,6)       <interrupt> : HDA Intel, i915@pci:0000:00:02.0
  14,5% (100,0)       <interrupt> : uhci_hcd:usb1, ehci_hcd:usb5
  10,5% ( 72,8)         amarokapp : schedule_timeout (process_timeout)
   4,2% ( 29,2)              Xorg : do_setitimer (it_real_fn)
   3,3% ( 22,9)            compiz : schedule_timeout (process_timeout)
   1,8% ( 12,5)   <kernel module> : queue_delayed_work_on (delayed_work_timer_f
   1,7% ( 11,7)   <kernel module> : usb_hcd_poll_rh_status (rh_timer_func)
   1,6% ( 11,0)       <interrupt> : libata
   0,9% (  6,5)        postmaster : schedule_timeout (process_timeout)
   0,9% (  6,4)       <interrupt> : iwl3945
   0,9% (  6,2)            kicker : futex_wait (hrtimer_wakeup)
   0,9% (  6,0)       <interrupt> : acpi
   0,7% (  4,8)       soffice.bin : schedule_timeout (process_timeout)
   0,6% (  3,9)            oracle : schedule_timeout (process_timeout)
   0,4% (  3,0)     <kernel core> : queue_delayed_work_on (delayed_work_timer_f
   0,4% (  2,5)           emerald : schedule_timeout (process_timeout)
   0,3% (  2,0)     <kernel core> : clocksource_register (clocksource_watchdog)
   0,3% (  1,9)            kicker : schedule_timeout (process_timeout)
   0,3% (  1,8)       <interrupt> : ahci
   0,2% (  1,3)              Xorg : schedule_timeout (process_timeout)
   0,2% (  1,1)            kopete : schedule_timeout (process_timeout)
   0,1% (  1,0)          kwrapper : do_nanosleep (hrtimer_wakeup)
   0,1% (  1,0)    NetworkManager : tg3_open (tg3_timer)
   0,1% (  1,0)    httpd2-prefork : schedule_timeout (process_timeout)
   0,1% (  1,0)              ntpd : do_setitimer (it_real_fn)
   0,1% (  1,0)          slmodemd : schedule_timeout (process_timeout)

(Note: as you probably see, this and the previous output was taken while
running a full kde desktop environment with compiz.)

When no X application (except kdm) is running the number of extra timer
interrupts decreases to ~30 before suspend and to ~300 after suspend.


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