On 3 May 2010 08:18, Tino Keitel <tino.keitel+x...@tikei.de> wrote: > On Mon, May 03, 2010 at 00:35:34 +0100, Pedro Ribeiro wrote: > > [...] > >> Hi Tino, >> >> this gains have been mostly with the computer sitting idle and me not >> touching it. The biggest gain (over 1w) is when I let the monitor go >> off into powersaving mode. There is a clear difference here. But maybe >> its just for my chipset... > > I only test with the LCD switched on, but set to lowest brightness. > > In the previous test, I had wrong kernel options. The i915. prefix was > missing. Now I tested again and got down to 7.0W: > > Wakeups-from-idle per second : 8.0 interval: 30.0s > Power usage (ACPI estimate): 7.0W (3.9 hours) (long term: 7.8W,/3.4h) > > I also changed the background image to solid color for better FBC. What > I noticed during my tests is that I only get such low numbers after a > resume from suspend to RAM. Power consumption is ~0.5W higher after a > resume from suspend to disk using TuxOnIce. IMHO this should not > happen. So, overall I get lower values with the current configuration, > but I don't know what change gives the power saving, and the suspend > issue makes it hard to compare. It could also be a combination of some > of the configuration changes. > > Regards, > Tino > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx >
That's strange... I do not notice any difference if I hibernate with TuxOnIce (which I do all the time). Sometimes there is a 2w increase after a hibernate/resume cycle, but that is due to the flash plugin, which behaves badly with hibernate (its a piece of crap anyway). Killing the flash process in makes the power consumption go down again. Regards, Pedro _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
