Hi, Is there a better suggestion powertop can give for the following ? <kernel core> doesn't really say much.
Top causes for wakeups:
41.8% (327.7) <kernel core> : hrtimer_start_range_ns (tick_sched_timer)
r...@champaran 9:58 ~>sudo powertop -d
PowerTOP 1.11 (C) 2007, 2008 Intel Corporation
Collecting data for 15 seconds
Cn Avg residency
C0 (cpu running) (24.8%)
C0 0.0ms ( 0.0%)
C1 halt 0.0ms ( 0.0%)
C2 0.5ms ( 3.5%)
C3 0.3ms ( 0.9%)
C4 2.1ms (70.7%)
P-states (frequencies)
Wakeups-from-idle per second : 441.4 interval: 15.0s
Power usage (ACPI estimate): 21.5W (2.9 hours)
Top causes for wakeups:
41.8% (327.7) <kernel core> : hrtimer_start_range_ns (tick_sched_timer)
13.7% (107.7) nspluginviewer : hrtimer_start_range_ns (hrtimer_wakeup)
11.3% ( 88.4) firefox-bin : hrtimer_start_range_ns (hrtimer_wakeup)
10.1% ( 79.1) <interrupt> : PS/2 keyboard/mouse/touchpad
6.3% ( 49.1) hdapsd : hrtimer_start_range_ns (hrtimer_wakeup)
6.0% ( 47.0) <interrupt> : ipw2200
5.8% ( 45.5) konqueror : hrtimer_start_range_ns (hrtimer_wakeup)
0.5% ( 3.6) knotify4 : hrtimer_start_range_ns (hrtimer_wakeup)
0.4% ( 3.1) Xorg : hrtimer_start_range_ns (hrtimer_wakeup)
0.4% ( 3.1) <kernel core> : hrtimer_start (tick_sched_timer)
0.3% ( 2.5) konsole : hrtimer_start_range_ns (hrtimer_wakeup)
0.3% ( 2.2) <interrupt> : acpi
0.3% ( 2.2) kopete : hrtimer_start_range_ns (hrtimer_wakeup)
0.3% ( 2.1) <kernel core> : sk_reset_timer (tcp_delack_timer)
0.3% ( 2.0) apt-get : hrtimer_start_range_ns (hrtimer_wakeup)
0.3% ( 2.0) mysqld : hrtimer_start_range_ns (hrtimer_wakeup)
0.2% ( 1.5) dirmngr : hrtimer_start_range_ns (hrtimer_wakeup)
0.2% ( 1.3) plasma-desktop : hrtimer_start_range_ns (hrtimer_wakeup)
0.2% ( 1.2) krunner : hrtimer_start_range_ns (hrtimer_wakeup)
0.1% ( 1.1) pidgin : hrtimer_start_range_ns (hrtimer_wakeup)
0.1% ( 1.0) kwin : hrtimer_start_range_ns (hrtimer_wakeup)
0.1% ( 1.0) klipper : hrtimer_start_range_ns (hrtimer_wakeup)
0.1% ( 1.0) ifconfig : tg3_open (tg3_timer)
0.1% ( 1.0) dovecot : sys_epoll_wait (process_timeout)
0.1% ( 0.8) kwalletd : hrtimer_start_range_ns (hrtimer_wakeup)
0.1% ( 0.5) <kernel module> : neigh_table_init_no_netlink
(neigh_periodic_timer)
0.1% ( 0.5) <kernel core> : schedule_delayed_work_on
(delayed_work_timer_fn)
0.1% ( 0.5) wineserver : sys_epoll_wait (process_timeout)
0.1% ( 0.5) events/0 : queue_delayed_work (delayed_work_timer_fn)
0.1% ( 0.5) <kernel core> : neigh_table_init_no_netlink
(neigh_periodic_timer)
0.1% ( 0.4) kopete : sk_reset_timer (tcp_write_timer)
0.0% ( 0.3) gpg-agent : hrtimer_start_range_ns (hrtimer_wakeup)
0.0% ( 0.3) Xorg : hrtimer_start (it_real_fn)
0.0% ( 0.3) kaccess : hrtimer_start_range_ns (hrtimer_wakeup)
0.0% ( 0.2) wicd-monitor : hrtimer_start_range_ns (hrtimer_wakeup)
0.0% ( 0.2) init : hrtimer_start_range_ns (hrtimer_wakeup)
0.0% ( 0.2) imap : sys_epoll_wait (process_timeout)
0.0% ( 0.2) kded4 : hrtimer_start_range_ns (hrtimer_wakeup)
0.0% ( 0.2) dovecot-auth : sys_epoll_wait (process_timeout)
0.0% ( 0.2) kontact : hrtimer_start_range_ns (hrtimer_wakeup)
0.0% ( 0.1) kerneloops : hrtimer_start_range_ns (hrtimer_wakeup)
0.0% ( 0.1) akonadi_control : hrtimer_start_range_ns (hrtimer_wakeup)
0.0% ( 0.1) akonadiserver : hrtimer_start_range_ns (hrtimer_wakeup)
0.0% ( 0.1) auditd : sys_epoll_wait (process_timeout)
0.0% ( 0.1) audispd : hrtimer_start_range_ns (hrtimer_wakeup)
0.0% ( 0.1) korgac : hrtimer_start_range_ns (hrtimer_wakeup)
0.0% ( 0.1) async/0 : scsi_request_fn (blk_rq_timed_out_timer)
0.0% ( 0.1) <kernel core> : inet_initpeers (peer_check_expire)
0.0% ( 0.1) <kernel core> : neigh_add_timer (neigh_timer_handler)
0.0% ( 0.1) avahi-daemon : fib6_add (fib6_gc_timer_cb)
Recent USB suspend statistics
Active Device name
0.0% USB device usb5 : UHCI Host Controller (Linux 2.6.30-custom uhci_hcd)
0.0% USB device usb4 : UHCI Host Controller (Linux 2.6.30-custom uhci_hcd)
0.0% USB device usb3 : UHCI Host Controller (Linux 2.6.30-custom uhci_hcd)
0.0% USB device usb2 : UHCI Host Controller (Linux 2.6.30-custom uhci_hcd)
0.0% USB device usb1 : EHCI Host Controller (Linux 2.6.30-custom ehci_hcd)
--
Ritesh Raj Sarraf
RESEARCHUT - http://www.researchut.com
"Necessity is the mother of invention."
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