[Intel-gfx] high number of wakeups/second shown with 2.5 branch
eric at anholt.net
Mon Oct 20 15:22:58 PDT 2008
On Mon, 2008-10-20 at 22:51 +0200, Lukas Hejtmanek wrote:
> On Mon, Oct 20, 2008 at 01:31:20PM -0700, Eric Anholt 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.
> I guess, people around powertop will not like this behavior..
powertop helps you decrease interrupts to decrease power consumption on
an idle system. In this case, we're saving power on an active system by
letting the CPU sleep at all instead of spinning waiting for results.
eric at anholt.net eric.anholt at intel.com
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 197 bytes
Desc: This is a digitally signed message part
Url : http://lists.freedesktop.org/archives/intel-gfx/attachments/20081020/00391b88/attachment.pgp
More information about the Intel-gfx