On Sun, Jul 20, 2014 at 12:43:05PM +0900, Carsten Haitzler wrote:
> i believe that is number of wakeups over the 5s poll... do you have a little
> spinning thing next to the icon on the top-left in the window border of
> chrome?
Yes, I do, and as you explain, this is expected.
Is that tiny thing the reason for so much CPU burn and watts lost?
> it's that animation that is causing redraws and thus wakeups. if your gl
> drivers support buffer age extension, then the redraws can be limited to just
> the area that changes, otherwise the whole screen is redrawn (if you have > 1
> screen that means all screens - this is a requirement of opengl unless you
> have
> extensions).
I have built in haswell intel drivers, I expect they're basic.
If I were running nvidia, then my battery life would be much worse.
> > Can a developer try to run google-chrome, switch to batteries, start
> > powertop, run killall -STOP chrome, and observe?
> > (it will likely be faster than me relaying this via Email anyway)
>
> well not going to run google chrome - but chromium will do. :)
chromium is fine indeed, run that for this test :)
Anyway, can I tell e to stop making that circle animation to see if it's
the reason for my battery problem?
Thanks,
Marc
--
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
.... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/ | PGP 1024R/763BE901
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