yenta_socket time loop ?

[Alexe Fisher]

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Hi Arjan!
I get here some issue on ubuntu-launchpad, seems like yenta_socket
module, source for about 6000 wakeups and it impossible to see it with
powertop. Is is it some known issue for powertop and/or kernel

kernel version schould be 2.6.22-14

Thank you.
Alex



PowerTOP 1.8    (C) 2007 Intel Corporation

Collecting data for 15 seconds
Cn                Avg residency
C0 (cpu running)        (52.8%)
C1                0.0ms ( 0.0%)
C2                0.0ms ( 0.3%)
C3                0.1ms (47.0%)
P-states (frequencies)
  2.01 Ghz     0.0%
  2.00 Ghz     0.0%
  1.60 Ghz     0.0%
   800 Mhz   100.0%
Wakeups-from-idle per second : 6224.7   interval: 15.0s
Power usage (ACPI estimate): 25.6W (5.8 hours)
Top causes for wakeups:
  21.5% ( 20.3)       compiz.real : schedule_timeout (process_timeout)
  15.0% ( 14.1)       <interrupt> : ahci, iwl4965, eth0
  13.5% ( 12.7)               Xgl : do_setitimer (it_real_fn)
  10.2% (  9.6)      S20powernowd : queue_delayed_work_on
(delayed_work_timer_fn)
   5.8% (  5.5)       <interrupt> : extra timer interrupt
   5.4% (  5.1)   thunderbird-bin : futex_wait (hrtimer_wakeup)
   3.0% (  2.9)       firefox-3.0 : futex_wait (hrtimer_wakeup)
   2.2% (  2.1)           emerald : schedule_timeout (process_timeout)
   2.2% (  2.1)       liferea-bin : futex_wait (hrtimer_wakeup)
   2.1% (  2.0)       <interrupt> : nvidia
   2.1% (  2.0)     <kernel core> : queue_delayed_work_on
(delayed_work_timer_fn)
   2.1% (  2.0)   mail-notificati : schedule_timeout (process_timeout)
   1.9% (  1.8)    gnome-terminal : schedule_timeout (process_timeout)
   1.6% (  1.5)    wpa_supplicant : schedule_timeout (process_timeout)
   1.1% (  1.0)    NetworkManager : tg3_open (tg3_timer)
   1.1% (  1.0)         nm-applet : schedule_timeout (process_timeout)
   1.1% (  1.0)   multiload-apple : schedule_timeout (process_timeout)
   1.1% (  1.0)            dhcdbd : schedule_timeout (process_timeout)
   1.1% (  1.0)              Xorg : nv_start_rc_timer (nv_kern_rc_timer)
   0.6% (  0.6)    NetworkManager : schedule_timeout (process_timeout)
   0.6% (  0.5)           iwl4965 : ieee80211_sta_work
(ieee80211_sta_timer)
   0.6% (  0.5)        uml_switch : do_setitimer (it_real_fn)
   0.5% (  0.5)       gnome-panel : schedule_timeout (process_timeout)
   0.5% (  0.5)   <kernel module> : neigh_table_init_no_netlink
(neigh_periodic_timer)
   0.4% (  0.4)   update-notifier : schedule_timeout (process_timeout)
   0.4% (  0.4)     <kernel core> : neigh_table_init_no_netlink
(neigh_periodic_timer)
   0.4% (  0.3)   gnome-power-man : schedule_timeout (process_timeout)
   0.3% (  0.3)   thunderbird-bin : schedule_timeout (process_timeout)
   0.2% (  0.2)          nautilus : schedule_timeout (process_timeout)
   0.2% (  0.2)           preload : schedule_timeout (process_timeout)
   0.2% (  0.2)    mapping-daemon : schedule_timeout (process_timeout)
   0.1% (  0.1)              Xorg : do_setitimer (it_real_fn)
   0.1% (  0.1)         iwl4965/0 : sta_info_start (sta_info_cleanup)
   0.1% (  0.1)       liferea-bin : schedule_timeout (process_timeout)
   0.1% (  0.1)         ssh-agent : schedule_timeout (process_timeout)
   0.1% (  0.1)         ssh-agent : do_setitimer (it_real_fn)
   0.1% (  0.1)       <interrupt> : PS/2 keyboard/mouse/touchpad
   0.1% (  0.1)               Xgl : schedule_timeout (process_timeout)
   0.1% (  0.1)          gconfd-2 : schedule_timeout (process_timeout)
   0.1% (  0.1)     <kernel core> : page_writeback_init (wb_timer_fn)
   0.1% (  0.1)   gnome-volume-ma : schedule_timeout (process_timeout)
   0.1% (  0.1)     <kernel core> : dst_run_gc (dst_run_gc)
   0.1% (  0.1)                sh : start_this_handle (commit_timeout)
   0.1% (  0.1)     <kernel core> : __neigh_event_send
(neigh_timer_handler)
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