Messages in this thread | | | Subject | Re: [RFC/PATCH] Prevent wasting time to find out get_parent_ip | From | Steven Rostedt <> | Date | Tue, 24 Apr 2012 14:18:04 -0400 |
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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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