power consumption issues :)

[hirakendu das]

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      PowerTOP version 1.7       (C) 2007 Intel Corporation

Cn          Avg residency (10s)         P-states (frequencies)
C0 (cpu running)        (67.6%)
C1                0.0ms ( 0.0%)         1.60 Ghz     0.0%
C2                0.0ms (23.0%)         1333 Mhz     0.0%
C3                0.0ms ( 9.4%)         1067 Mhz     0.0%
                                         800 Mhz   100.0%

Wakeups-from-idle per second : 22560.7
Power usage (5 minute ACPI estimate) :  76.9 W (0.9 hours left)

Top causes for wakeups:
  47.1% ( 60.9)       <interrupt> : uhci_hcd:usb5, nvidia
   8.8% ( 11.4)       <interrupt> : extra timer interrupt
   8.7% ( 11.3)       <interrupt> : uhci_hcd:usb4, ipw3945, yenta
   6.2% (  8.0)     <kernel core> : usb_hcd_poll_rh_status (rh_timer_func)
   5.8% (  7.5)       <interrupt> : libata
   4.6% (  6.0)       cpufreq-set : queue_delayed_work_on (delayed_work_timer_fn)
   3.7% (  4.8)       <interrupt> : acpi
   1.6% (  2.1)            kicker : schedule_timeout (process_timeout)
   1.5% (  2.0)     <kernel core> : queue_delayed_work_on (delayed_work_timer_fn)
   1.4% (  1.8)                 X : do_setitimer (it_real_fn)
   0.8% (  1.0)            dhcdbd : schedule_timeout (process_timeout)
   0.8% (  1.0)           klipper : schedule_timeout (process_timeout)
   0.8% (  1.0)    wpa_supplicant : schedule_timeout (process_timeout)
   0.8% (  1.0)          kwrapper : do_nanosleep (hrtimer_wakeup)
   0.8% (  1.0)                 X : nv_start_rc_timer (nv_kern_rc_timer)
   0.8% (  1.0)              kded : schedule_timeout (process_timeout)
   0.5% (  0.7)    NetworkManager : schedule_timeout (process_timeout)
   0.5% (  0.6)   knetworkmanager : schedule_timeout (process_timeout)
   0.4% (  0.5)       <interrupt> : sdhci:slot0, eth0
   0.4% (  0.5)   hald-addon-stor : schedule_timeout (process_timeout)
   0.4% (  0.5)    NetworkManager : e100_up (e100_watchdog)
   0.4% (  0.5)         ipw3945/0 : ipw_bg_link_up (delayed_work_timer_fn)
   0.4% (  0.5)               gpm : do_nanosleep (hrtimer_wakeup)
   0.3% (  0.4)         ipw3945/0 : ipw_post_associate (ipw_kickoff_roaming)
   0.2% (  0.3)       <interrupt> : ahci, uhci_hcd:usb3, ohci1394
   0.2% (  0.3)         ipw3945/0 : ipw_net_hard_start_xmit (delayed_work_timer_fn)

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     PowerTOP version 1.7       (C) 2007 Intel Corporation

Cn          Avg residency (15s)         P-states (frequencies)
C0 (cpu running)        ( 2.6%)
C1                0.0ms ( 0.0%)         1.60 Ghz     0.9%
C2                1.6ms ( 1.0%)         1333 Mhz     0.0%
C3                6.1ms (96.5%)         1067 Mhz     0.0%
                                         800 Mhz    99.1%

Wakeups-from-idle per second : 163.2
Power usage (5 minute ACPI estimate) :  51.7 W (1.5 hours left)

Top causes for wakeups:
  45.2% ( 60.9)       <interrupt> : uhci_hcd:usb5, nvidia
  15.7% ( 21.2)       <interrupt> : uhci_hcd:usb4, ipw3945, yenta
   7.6% ( 10.3)       <interrupt> : extra timer interrupt
   5.9% (  8.0)       <interrupt> : libata
   5.9% (  8.0)     <kernel core> : usb_hcd_poll_rh_status (rh_timer_func)
   4.4% (  6.0)       cpufreq-set : queue_delayed_work_on (delayed_work_timer_fn)
   1.7% (  2.3)     <kernel core> : queue_delayed_work_on (delayed_work_timer_fn)
   1.5% (  2.0)            kicker : schedule_timeout (process_timeout)
   1.4% (  1.9)                 X : do_setitimer (it_real_fn)
   1.0% (  1.4)         ipw3945/0 : ipw_net_hard_start_xmit (delayed_work_timer_fn)
   1.0% (  1.3)       <interrupt> : acpi
   0.7% (  1.0)    wpa_supplicant : schedule_timeout (process_timeout)
   0.7% (  1.0)          kwrapper : do_nanosleep (hrtimer_wakeup)
   0.7% (  1.0)            dhcdbd : schedule_timeout (process_timeout)
   0.7% (  1.0)           klipper : schedule_timeout (process_timeout)
   0.7% (  1.0)                 X : nv_start_rc_timer (nv_kern_rc_timer)
   0.6% (  0.9)   knetworkmanager : schedule_timeout (process_timeout)
   0.4% (  0.6)              kded : schedule_timeout (process_timeout)
   0.4% (  0.5)   hald-addon-stor : schedule_timeout (process_timeout)
   0.4% (  0.5)    NetworkManager : schedule_timeout (process_timeout)
   0.3% (  0.5)       <interrupt> : sdhci:slot0, eth0
   0.3% (  0.5)    NetworkManager : e100_up (e100_watchdog)
   0.3% (  0.5)               gpm : do_nanosleep (hrtimer_wakeup)
   0.3% (  0.5)         ipw3945/0 : ipw_bg_link_up (delayed_work_timer_fn)
   0.3% (  0.4)          kdesktop : schedule_timeout (process_timeout)
   0.2% (  0.3)      avahi-daemon : schedule_timeout (process_timeout)