PowerTOP 1.9    (C) 2007 Intel Corporation 

Collecting data for 15 seconds 
Cn	          Avg residency
C0 (cpu running)        (10.2%)
C1		  0.0ms ( 0.0%)
C2		  0.0ms ( 0.8%)
C3		  0.9ms (89.0%)
P-states (frequencies)
  2.41 Ghz    16.1%
  2.40 Ghz     0.0%
  2.00 Ghz     0.0%
   800 Mhz    83.9%
Wakeups-from-idle per second : 1209.9	interval: 15.0s
no ACPI power usage estimate available
Top causes for wakeups:
  97.2% (2300.3)      <kernel IPI> : Rescheduling interrupts 
   1.0% ( 23.5)       <interrupt> : extra timer interrupt 
   0.6% ( 13.2)       <interrupt> : iwl4965 
   0.4% ( 10.1)             opera : schedule_timeout (process_timeout) 
   0.2% (  4.0)   <kernel module> : usb_hcd_poll_rh_status (rh_timer_func) 
   0.1% (  2.1)    gnome-terminal : schedule_timeout (process_timeout) 
   0.1% (  1.6)    wpa_supplicant : schedule_timeout (process_timeout) 
   0.0% (  1.1)         nm-applet : schedule_timeout (process_timeout) 
   0.0% (  1.0)       <interrupt> : uhci_hcd:usb5, nvidia 
   0.0% (  1.0)            dhcdbd : schedule_timeout (process_timeout) 
   0.0% (  1.0)    cpufreq-applet : schedule_timeout (process_timeout) 
   0.0% (  1.0)              Xorg : nv_start_rc_timer (nv_kern_rc_timer) 
   0.0% (  1.0)    NetworkManager : schedule_timeout (process_timeout) 
   0.0% (  1.0)        pulseaudio : schedule_timeout (process_timeout) 
   0.0% (  0.6)       gnome-panel : schedule_timeout (process_timeout) 
   0.0% (  0.5)       <interrupt> : eth0 
   0.0% (  0.5)           iwl4965 : ieee80211_sta_work (ieee80211_sta_timer) 
   0.0% (  0.5)   <kernel module> : neigh_table_init_no_netlink (neigh_periodic_timer) 
   0.0% (  0.5)    NetworkManager : e1000_intr_msi (e1000_watchdog) 
   0.0% (  0.3)   gnome-power-man : schedule_timeout (process_timeout) 
   0.0% (  0.3)       <interrupt> : ahci 
   0.0% (  0.3)     <kernel core> : neigh_table_init_no_netlink (neigh_periodic_timer) 
   0.0% (  0.2)   update-notifier : schedule_timeout (process_timeout) 
   0.0% (  0.1)   <kernel module> : sta_info_start (sta_info_cleanup) 
   0.0% (  0.1)   operapluginclea : schedule_timeout (process_timeout) 
   0.0% (  0.1)       <interrupt> : PS/2 keyboard/mouse/touchpad 
   0.0% (  0.1)              Xorg : do_setitimer (it_real_fn) 
   0.0% (  0.1)     <kernel core> : page_writeback_init (wb_timer_fn) 
   0.0% (  0.1)           kcryptd : blk_plug_device (blk_unplug_timeout) 
   0.0% (  0.1)           pdflush : do_journal_end (delayed_work_timer_fn) 
   0.0% (  0.1)         ssh-agent : schedule_timeout (process_timeout) 
   0.0% (  0.1)   gnome-volume-ma : schedule_timeout (process_timeout) 
   0.0% (  0.1)          gconfd-2 : schedule_timeout (process_timeout) 
   0.0% (  0.1)              cron : do_nanosleep (hrtimer_wakeup) 
   0.0% (  0.1)     <kernel core> : __dst_free (delayed_work_timer_fn) 

Suggestion: Enable SATA ALPM link power management via: 
  echo min_power > /sys/class/scsi_host/host0/link_power_management_policy
or press the S key.