[ltp] X60s: Power drawn by audio?

Tino Keitel linux-thinkpad@linux-thinkpad.org
Mon, 5 Nov 2007 17:13:57 +0100


On Mon, Nov 05, 2007 at 19:52:58 +0530, Atul Chitnis wrote:

[...]

> Top causes for wakeups:
>   30.6% (216.1)       <interrupt> : extra timer interrupt
>   24.4% (172.3)              xmms : schedule_timeout (process_timeout)
>   13.4% ( 94.8)       <interrupt> : ipw3945, HDA Intel
>   13.1% ( 92.6)              xmms : do_nanosleep (hrtimer_wakeup)
>    6.9% ( 49.1)       S06cpuspeed : queue_delayed_work_on (delayed_work_timer_fn
>    4.8% ( 34.3)              Xorg : do_setitimer (it_real_fn)
>    1.1% (  8.1)         amarokapp : schedule_timeout (process_timeout)
>    0.8% (  6.0)       <interrupt> : i8042
>    0.6% (  4.3)              Xorg : schedule_timeout (process_timeout)
>    0.6% (  4.1)           konsole : schedule_timeout (process_timeout)
>    0.5% (  3.6)       firefox-bin : futex_wait (hrtimer_wakeup)
>
> Any recommendations? I remember Rasmus Lerdorf once posting an optimized 

Try another layer? Something lightweight like ogg123 should be better
suited to check if this is driver/hardware or software related.

Regards,
Tino