Re: CVS commit: src/sys

[David Young <dyoung%pobox.com@localhost>]

On Tue, Feb 23, 2010 at 09:58:25AM +1300, Darran Hunt wrote:
> I'm concerned that this will introduce more of a performance penalty
> for.  Wouldn't your suggestion mean that there would always be a
> function call made?
> 
> i.e.
> if (__predict_false(dtrace_vtime_active)) {
>       (*dtrace_vtime_switch_func)(newl);
> }
> 
> vrs
> 
> dtrace_vtime_switch(newl);

There will not necessarily be a function call, but making the function
"inline" may help to avoid a function call.

Dave

-- 
David Young             OJC Technologies
dyoung%ojctech.com@localhost      Urbana, IL * (217) 278-3933