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@xxxxxxxxxxxxx
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