This one is a little bit off-topic, but it may be a bug in PowerTOP itself. Have a look at this output of PowerTOP:
PowerTOP version 1.3 (C) 2007 Intel Corporation Cn Avg residency (10s) Long term residency avg C0 (cpu running) ( 0.9%) C1 0.0ms ( 0.0%) 0.0ms C2 14.2ms ( 7.1%) 8.7ms C3 23.0ms (91.9%) 22.1ms Wakeups-from-idle per second : 45.0 no ACPI power usage estimate available Top causes for wakeups: 54.6% (10.0) bash : cpufreq_governor_dbs (delayed_work_timer_fn) 16.4% ( 3.0) xfsbufd : schedule_timeout (process_timeout) 5.5% ( 1.0) fluxbox : schedule_timeout (process_timeout) 5.5% ( 1.0) Xorg : do_setitimer (it_real_fn) 5.5% ( 1.0) mpd : schedule_timeout (process_timeout) 5.5% ( 1.0) xterm : schedule_timeout (process_timeout) 1.1% ( 0.2) init : schedule_timeout (process_timeout) 1.1% ( 0.2) <kernel core> : neigh_table_init_no_netlink (neigh_periodic_timer) 1.1% ( 0.2) <kernel core> : page_writeback_init (wb_timer_fn) 1.1% ( 0.2) <kernel core> : kswapd_run (watermark_wakeup) 1.1% ( 0.2) xfssyncd : schedule_timeout (process_timeout) 0.5% ( 0.1) <kernel core> : init_nonfatal_mce_checker (delayed_work_timer_fn) 0.5% ( 0.1) cifsdnotifyd : schedule_timeout (process_timeout) 0.5% ( 0.1) ssh-agent : do_setitimer (it_real_fn) It says I've got 45 wakeups per second, but if I sum up all the listed entries I get < 20 wakeups. Where are the other 25 wakeups from?? Peter On Wed, 2007-05-23 at 09:26 +0800, Kamchybek Jusupov wrote: > Hi René, > > Same issue over here... Arjan has mentioned that he's going to change > that to reflect message based on HD non-HD. > > > On Tue, 22 May 2007 20:53:52 +0200 / René Treffer wrote: > With a subject: powertop 1.3 / AC97 powersave > > > Hi, > > > > Does "AC97/Power Saving" option help with non-AC97 sound cards? > > > > I have an intel hd audio (via ich7) and I can't see any AC97 dmesg > > output, nor any /sys or /proc/sys controls. However without the kernel > > option powertop 1.3 complains about the missing setting. > > > > Thanks for powertop, it's really cool :) > > René Treffer > > _______________________________________________ > > Power mailing list > > [email protected] > > http://www.bughost.org/mailman/listinfo/power > > _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
