[Intel-gfx] high number of wakeups/second shown with 2.5 branch

[Tino Keitel]

On Mon, Oct 20, 2008 at 13:31:20 -0700, Eric Anholt wrote:
> On Mon, 2008-10-20 at 19:05 +0200, Tino Keitel wrote:

[...]

> > The workload is a plain 2D desktop (no compositing), with clicking
> > around a bit, scrolling, changing window focus etc. A completely idle
> > desktop with no moving parts doesn't produce any wakeups in the i915
> > driver.
> 
> Sounds like exactly expected behavior then.

Initially I noticed a constant ~25 wakeups/s caused by
i915 at pci:0000:00:02.0 on an idle desktop. I now saw this again. But,
when I disabled the wireless LAN (iwl4965) those wakeups went away. So
it looks like powertop doesn't show correct results in this case.

Regards,
Tino