Re: [PATCH 5/5 v2] rcu: Fix dyntick-idle tracing

From	Steven Rostedt <rostedt@goodmis.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH 5/5 v2] rcu: Fix dyntick-idle tracing
Date	2017-04-07 17:40 +0200
Message-ID	<ttE9s-A7-11@gated-at.bofh.it> (permalink)
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On Fri, 7 Apr 2017 08:09:22 -0700
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:
   
> > > 
> > > Yeah, I am a bit concerned about idle-entry latency...
> > >   
> > 
> > Which should now be fine because of the inlined this_cpu_inc/dec()
> > which is very efficient and made for fast paths like this.  
> 
> OK, I am willing to let people complain if they can measure the
> difference.  If they can measure the difference, there are some things
> we can do.

Again, I was getting this_cpu_inc/dec confused with __this_cpu_inc/dec.
I'll update my patch to fix that.

-- Steve

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[PATCH 5/5 v2] rcu: Fix dyntick-idle tracing Steven Rostedt <rostedt@goodmis.org> - 2017-04-07 16:10 +0200
  Re: [PATCH 5/5 v2] rcu: Fix dyntick-idle tracing "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-07 16:50 +0200
    Re: [PATCH 5/5 v2] rcu: Fix dyntick-idle tracing Steven Rostedt <rostedt@goodmis.org> - 2017-04-07 17:00 +0200
      Re: [PATCH 5/5 v2] rcu: Fix dyntick-idle tracing "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-04-07 17:20 +0200
        Re: [PATCH 5/5 v2] rcu: Fix dyntick-idle tracing Steven Rostedt <rostedt@goodmis.org> - 2017-04-07 17:40 +0200

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