Re: [PATCH] tracing: Skip software disabled event at __synth_event_trace_end()

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On Thu, 20 Feb 2020 13:51:48 -0600
Tom Zanussi <zanussi@xxxxxxxxxx> wrote:

> Hi Steve,
> 
> On Thu, 2020-02-20 at 14:34 -0500, Steven Rostedt wrote:
> > On Mon, 17 Feb 2020 18:33:40 +0900
> > Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote:
> >   
> > > >  static inline void
> > > >  __synth_event_trace_end(struct synth_event_trace_state
> > > > *trace_state)
> > > >  {
> > > > +	if (trace_state->disabled)
> > > > +		return;
> > > > +    
> > > 
> > > Aah, I assumed that trace_state should be initialized with 0, but
> > > in really, it could be just allocated on the stack.
> > > We has to set trace_state->disabled = false in
> > > __synth_event_trace_start().  
> > 
> > Is this patch good enough to take, or is there another one coming?
> >   
> 
> I think this patch is good to take.  The fix for setting trace_state-
> >disabled to false would be covered by this later patch:  
> 
>   [PATCH 2/2] tracing: Clear trace_state when starting trace
> 
> https://lore.kernel.org/lkml/158193315899.8868.1781259176894639952.stgit@devnote2/
> 

Thanks Tom for the info!

-- Steve



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