Hi list, 2005/12/2, Bruno Ducrot <[EMAIL PROTECTED]>:
> > I don't see why you can't run powerd more frequently, I do.. Unless your > > ACPI > > has a problem that means the transition is slow. > > I'm sure this could not be done under Linux without a lot of > problems (it is required to use the /proc things and it's too slow in > that case). > > > I can't imagine that doing 5 (or even 50) syscalls a second is a big CPU > > load > > unless there is a specific problem with sysctls or the cpufreq > > infrastructure. > > If that's possible being not so intrusive with, say 50 syscalls under FreeBSD, > then all I said above is indeed stupid crap. > > > I run powerd like this -> > > /usr/sbin/powerd -i 90 -r 30 -a adaptive -b adaptive -n adaptive -p 200 > > Well, i've tried decreasing the polling interval, but there is an increased powerd cpu load: at 100ms polling interval the cpu load is to an astonishing 20% circa, which i think it's too much for a normal use. The sampling rate with ondemand governor in linux kernel is 10ms but cpufreqd is at 0.6% on average cpu load. Regards, MC _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
