Re: [linux-pm] Power management minisummit at Linux Plumbers Conference(November 3-5)

[Mike Turquette]

Matthew Garrett wrote:
> I'm planning on finalising the schedule for the power management 
> minisummit at the Linux Plumbers Conference by the end of this week. If 
> anyone has topics that they'd like to discuss (or be discussed, if you 
> can't make it) then please let me know or register at 
> http://www.linuxplumbersconf.org/2010/ocw/events/proposals/ and file a 

That link did not really work for me, but I think I found the right 
place after a few clicks.

> proposal there. We're likely to be concentrating on userspace/kernel 
> interaction rather than pure kernel topics, so if you've got anything to 
> say about how we can handle application requirements without 
> compromising on our power savings then we'd love to hear from you.

Just FYI, I proposed a discussion on the issues that create such a large 
power gap between a CPUIdle-only system and a system with suspend (with 
the assumption that the lowest C-state can be hit by both).

I don't really want to present a formal lecture on it, but it would be 
nice to discuss with the group what can be done to shrink that gap a 
little in kernel space (badly behaving timers in platform-independent 
code) and in userspace (power-aware timers, coalescing timers, etc).

This is not intended to be another suspend-blocker discussion, but more 
of a discussion on what it takes to get CPUIdle to be more effective.

Regards,
Mike
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