Re: [PATCH 05/13] PM: Add option to disable /sys/power/state interface

Rafael J. Wysocki
2009-02-08T23:41:35Z

On Sunday 08 February 2009, Pavel Machek wrote:
> Hi!
>
>
> > Being in suspend, where periodic user and kernel timers aren't running,
> > and random userspace threads aren't possibly spinning, rather than just
> > being in idle in the lowest power possible state, represent a pretty
> > significant power savings.
>
> If kernel timers fire too often, fix them. If user land spins, fix it,
> or SIGSTOP.
>
> And yes, autosleep is useful. That's why I done those "sleepy linux"
> patches.

I agree, it is. Still, I don't think the wakelocks in the proposed form are
the right way to implement it.

Thanks,
Rafael