On 11/02/10 07:40, Vitus Jensen wrote: > Hej! > > Since some kernel versions I notice very high wakeup rates during idle ... > while the reasons for the wakeup stay at reasonable low numbers. In the > 'powertop -d' output below it's 27463 wakeups/sec but the highest number > for any reason is 48. How do I find out what causes the wakeups? They > are actually there because the machine is using ~2W more than usual. > > My usual kernel is 2.6.27, it's shows ~100 wakeups (X11, Wifi+powersave) > > On this 2.6.36 powertop most of the time reports 1.000-200.000 wakeups > during idle. It may get to 100 (X11, Wifi) or ~50 (no X11, no Wifi), > seldomly.
I've seen this on specific pieces of hardware (in my case, I had a Lenovo T43 that went apenuts anyway, and I got rid of it). Is this older hardware? It's not uncommon for those - but shouldn't happen anymore on core2 level hardware and newer. Auke _______________________________________________ Power mailing list [email protected] http://www.bughost.org/mailman/listinfo/power
