On Saturday 12 May 2007, Mircea Bardac wrote: > Unfortunately, the kernel 2.6.21 in Arch misses a config option to make > this utility work, namely: CONFIG_TIMER_STATS > - http://marc.info/?l=linux-acpi&m=117893445111118&w=2 > > I believe it would be nice to have this enabled in the default kernel. > > Since I mentioned already a kernel config option, I might as well add a > request for CONFIG_USB_SUSPEND=y, since I've noticed a recommendation of > enabling it in a screenshot on: http://www.linuxpowertop.org/powertop.php
I have recently compiled my kernel with those options activated and especially the USB one improves the battery life. You should also activate: CONFIG_HPET=yes However, the powertop utility freezes my computer after some time running :(
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