[arch-dev-public] [signoff] kernel26 2.6.23.1-8 and binary modules rebuilt

Jürgen Hötzel juergen at hoetzel.info
Wed Nov 14 06:16:49 EST 2007


On Wed, Nov 14, 2007 at 11:53:24AM +0100, Pierre Schmitz wrote:
> Am Mittwoch, 14. November 2007 08:43:16 schrieb Tobias Powalowski:
> > - added TIMER_STATS option
> >   -> all binary modules rebuilt against that
> 
> I wonder why you enabled this. Isn't this only used for debugging? Wouldn't 
> this introduce some sideeffects or performance loss?
> 

It has has almost zero run-time overhead if not enabled using
/proc/timer_stats. I utilized it on my custom kernel because of
powertop. It's also enabled by default on major distros like Fedora.

Jürgen





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