Re: Idle loadavg of ~1, maybe MD related

Paul Mackerras
2008-01-06T11:24:56Z

Andrew Morton writes:

> Maybe, but we can usually work around it pretty comfortably.
>
> If smu_set_fan() is only ever called by a kernel thread then we can simply
> flip it over to using wait_for_completion_interruptible().
>
> If smu_set_fan() is also called from user processes then things aren't so
> easy...

I believe most of the time spent waiting is actually spent inside the
i2c layer in uninterruptible sleeps.

Robin, what does the "motherboard" line in /proc/cpuinfo say on your
machine?

Paul.