Hi, On Thu, 29 Oct 2009, Ladislav Laska wrote: >I have a IBM x60s notebook and have been tuning my Gentoo system for >power consumption for some time. Still I'm a little puzzled by some >outputs from powertop (powertop -d output attached). The lines that >trouble me are: > > 36.7% ( 58.1) <kernel core> : hrtimer_start_range_ns (tick_sched_timer) > 15.3% ( 24.3) <interrupt> : extra timer interrupt > >Since I have enabled tickless kernel (kernel config attached), I don't >know where these interrupts come from. Can someone please point >somewhere or give a hint? Is it possible to get more info from >powertop or do I have to dig somewhere else? > >Note that iwl3945 is probably normal and goes down after some idle time.
IMHO on my notebook (also x60s) adding a 'hpet=force' to the kernel commandline resolved those wakeups. -- Florian Reitmeir _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
