On Mon, May 11, 2020 at 01:29:42PM -0700, Ian Rogers wrote:

SNIP

> > > diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
> > > index 1baf4cae086f..d617d5682c68 100644
> > > --- a/tools/perf/builtin-c2c.c
> > > +++ b/tools/perf/builtin-c2c.c
> > > @@ -2887,8 +2887,15 @@ static int parse_record_events(const struct option 
> > > *opt,
> > >  {
> > >       bool *event_set = (bool *) opt->value;
> > >
> > > +     if (!strcmp(str, "list")) {
> > > +             perf_mem_events__list();
> > > +             exit(0);
> > > +     }
> > > +     if (perf_mem_events__parse(str))
> > > +             exit(-1);
> >
> > won't this exit(-1) callsbreak the parsing stuff?
> > like displaying the option values on error or such?
> 
> The previous code was:
> -       if (strcmp(str, "list")) {
> This is handled explicitly in the code above this.
> 
> -               if (!perf_mem_events__parse(str)) {
> -                       mem->operation = 0;
> -                       return 0;
> -               }
> -               exit(-1);
> This is the code where the exit -1 happens, I inverted the comparison
> so that exit was more the exceptional code path. The behavior should
> be identical.

ok

Acked-by: Jiri Olsa <[email protected]>

thanks,
jirka

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