2010/2/28 Konnor Jean <[email protected]>: > I applied almost all the powersaving tricks and tips from lesswatts.org > and still on total idle with the screen dimmed to maximum, my laptop is > draining over 72 Watts. Here is what's PowerTop is saying: > > ------------------------------------------------------------------------------------------------------------------------------ > < Detailed C-state information is not P-states (frequencies) > 1.60 Ghz 0.0% > 800 Mhz 100.0% > > > Wakeups-from-idle per second : 451.1 interval: 10.0s > Power usage (5 minute ACPI estimate) : 72.5 W (0.3 hours left) > > Top causes for wakeups: > 45.3% (407.4) <kernel IPI> : Rescheduling interrupts > 29.9% (269.2) <kernel core> : hrtimer_start_range_ns (tick_sched_timer) > 7.2% ( 65.1) <interrupt> : extra timer interrupt > 5.6% ( 50.0) touchfreeze : hrtimer_start_range_ns > (hrtimer_wakeup) > 5.3% ( 48.1) <interrupt> : ath > 1.9% ( 17.4) thunderbird-bin : hrtimer_start_range_ns > (hrtimer_wakeup) > 1.0% ( 9.1) <interrupt> : nvidia > 0.6% ( 5.8) cairo-dock : hrtimer_start_range_ns (hrtimer_wakeup) > 0.6% ( 5.0) <kernel core> : hrtimer_start (tick_sched_timer) > 0.3% ( 3.0) rainlendar2 : hrtimer_start_range_ns (hrtimer_wakeup) > 0.3% ( 2.6) <kernel IPI> : TLB shootdowns > 0.2% ( 2.0) <interrupt> : sata_nv > 0.2% ( 2.0) thunderbird-bin : sk_reset_timer (tcp_write_timer) > 0.2% ( 2.0) emerald : hrtimer_start_range_ns (hrtimer_wakeup) > 0.2% ( 1.7) gnome-terminal : hrtimer_start_range_ns (hrtimer_wakeup) > 0.1% ( 1.3) <kernel core> : sk_reset_timer (tcp_delack_timer) > 0.1% ( 1.1) checkgmail : hrtimer_start_range_ns (hrtimer_wakeup) > 0.1% ( 1.0) cpupowerd : hrtimer_start_range_ns (hrtimer_wakeup) > 0.1% ( 1.0) <kernel core> : nv_kern_rc_timer (nv_kern_rc_timer) > 0.1% ( 0.7) gam_server : hrtimer_start_range_ns (hrtimer_wakeup) > ------------------------------------------------------------------------------------------------------------------------------ > > If I surf the web or listen to music, wakeups go haywire reaching 2500+ > Please, help me with that as I am getting barely 15 minutes of battery > life while in windows it is well over an hour. > > _______________________________________________ > Power mailing list > [email protected] > http://www.bughost.org/mailman/listinfo/power >
What kernel and distribution are you using? _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
