[ltp] Deep CPU Cx states

Henrique de Moraes Holschuh linux-thinkpad@linux-thinkpad.org
Fri, 14 Jul 2006 09:42:18 -0300


On Thu, 13 Jul 2006, Laurent Gilson wrote:
> Look at /proc/acpi/processor/CPU/power. Does the bus master activity drop  
> to 000...000 if you do nothing ? Do the cores reach C4 or deeper ?

I have never seen anything reach deeper than C4 on Linux ACPI... you need to
tell the kernel to allow it, I suppose?

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh