Re: [PATCH 0/8] Suspend block api (version 6)

[Matthew Garrett <mjg@redhat.com>]

On Mon, May 17, 2010 at 09:27:47PM +0200, Vitaly Wool wrote:

> Exactly. The point is, opportunistic suspend doesn't in fact add any
> value compared to dynamic PM + CPUIdle. It only produces some false
> impression that one can handle power management right without using
> dynamic PM. And this false impression is the cause for many really
> ugly designs (like, for instance, 15 minutes touchscreen inactivity
> delay before forcibly shutting down the wireless, as it's done in
> stock Android framework).

Run this (or equivalent code) on an N900 and on an Android. Measure the 
screen-off power draw on both.

int main() {
	int i;
	while (1)
		i++;
	return 0;
}

-- 
Matthew Garrett | mjg59@srcf.ucam.org