On Sun, 2007-05-13 at 13:33 +0100, Peter Robinson wrote: > > > The guys at intel have just released a tool called PowerTop > > > http://www.linuxpowertop.org (announcement to fedora-devel - > > > https://www.redhat.com/archives/fedora-devel-list/2007-May/msg00796.html > > > ) > > > > > > Anyway I installed it to play around with and noticed that rhythmbox > > > was appearing fairly frequently even though it was idle and not > > > playing (I forgot I even had it running). Something like 6.2% of the > > > nearly 2500 wakeups in a second (output below). > > <snip> > > > 3.6% rhythmbox : do_nanosleep (hrtimer_wakeup) > > <snip> > > > 2.6% rhythmbox : schedule_timeout (process_timeout) > > > > It would have been more useful getting a proper trace of where this > > wakeup comes from. Was Rhythmbox idle or not when you did this? > > Not sure how to do the proper trace, sorry. Can try if you can send me > a link to the basics. RB was idle when this was running (ie it was in > the background, in the library, no DAPs connected and no music > playing), in fact it doesn't seem to be any worse when it is playing, > the same threads are creating similar amount of wakeups.
Federico and Ryan have examples in their blogs: http://primates.ximian.com/~federico/news-2006-09.html#polling http://blogs.gnome.org/view/ryanl/2006/07/27/0 It should be pretty straight forward to identify the culprits, a bit harder to actually fix them, depending on how brain-dead the design was (ie. it was really easy in Totem). > > > 2.6% mixer_applet2 : schedule_timeout (process_timeout) > > > > http://bugzilla.gnome.org/show_bug.cgi?id=370937 > > and > > http://bugzilla.gnome.org/show_bug.cgi?id=152864 > > Yes, saw them linked from the RH BZ wakeup tracking bug. If you're interested, Arjan opened that bug some time ago: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=204948 -- Bastien Nocera <[EMAIL PROTECTED]> _______________________________________________ rhythmbox-devel mailing list rhythmbox-devel@gnome.org http://mail.gnome.org/mailman/listinfo/rhythmbox-devel
