Re: [RFC/PATCH] Prevent wasting time to find out get_parent_ip

[Steven Rostedt]

On Tue, 2012-04-24 at 14:53 +0200, Peter Zijlstra wrote:
> On Tue, 2012-04-24 at 21:36 +0900, Minho Ban wrote:
> > trace_preempt_on/off looks empty if PREEMPT_TRACER is off. But actually it is
> > spending time to find out get_parent_ip(even CALLER_ADDR for some ARCH) which is
> > in argument. This seems not fair for those who expect to do nothing but increase
> > or decrease count.
> 
> You can do the same by making them CPP macros and adding a comment as to
> why they're macros instead of inlines..

I should read the thread before answering. I just repeated basically
exactly what you said ;-)

-- Steve



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