Re: [PATCH] dynamic tick patch

[Pavel Machek <pavel@suse.cz>]

Hi!

> > No, that's fine, we already have to call it before entering the PM
> > state, so I'll just pass it along and, at the low level, decide how
> > deep to sleep based on that.
> > 
> > I think I should also add some stats on the amount of interrupts, since
> > it would be fairly inefficient to keep entering deep PM state on a
> > machine with typically little timer interrupts but high HW interrupt
> > (Rusty mentions case of packet forwarding routers or that kind of thing)
> 
> Maybe some HW timer interrupt mask could be used? Also it would be
> nice to check for file IO.

Well, you could mask those interrupts, but it would ruin your
packet-forwarding performance, so you probably do not want to do
that...
								Pavel
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