Hi!
> > I'd be interested in seeing system power policies be pluggable
> > objects like cpufreq governors, i/o schedulers, and so forth.
> >
> > A sysadmin would choose from a list of policies. Some would
> > take command like "suspend to disk" (on systems with disks),
> > some architectures would add their own commands. If you
> > suspend from a "max power savings" policy, you'd normally
> > resume into that same policy, not go to full power.
>
> Couldn't a lot of this be done from userspace, like Oliver suggested?
> In fact, couldn't you just run swsusp and tell it what the new policy
> should be? The PM core would then have little to do besides informing
> drivers about the policy change.
Could you at least try swsusp before you continue this debate?
No, you do not want swsusp involved in changing to low-power
policy. swsusp is rather heavy operation, involves stopping all user
tasks. You do not want to do that just to enter low-power state.
Pavel
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