[ltp] HPET timer on thinkpads?

Henrique de Moraes Holschuh linux-thinkpad@linux-thinkpad.org
Tue, 23 Oct 2007 21:18:18 -0200


On Tue, 23 Oct 2007, Clark Williams wrote:
> > But -hrt is NOT about power consumption control, it is about real-time
> > behaviour.
> 
> Not strictly true. The -hrt patch is mostly about improving timer
> granularity above the standard system clock tick. In addition the NO_HZ
> mechanism really is targeted at reducing power consumption, by reducing
> the number of interrupts the system has to service when in idle state.
> 
> The -rt patch (which includes the -hrt patch) is about real-time behavior.

I stand corrected, I got the hrt and rt patches mixed up in my head. Thanks.

-- 
  "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