linux-kernel - Re: [PATCH perf/core] perf tools: Add missing break for PERF_RECORD_ITRACE

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Message-ID: <20150629114714.GG19282@twins.programming.kicks-ass.net>
Date:	Mon, 29 Jun 2015 13:47:14 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Adrian Hunter <adrian.hunter@...el.com>
Cc:	Jiri Olsa <jolsa@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Kan Liang <kan.liang@...el.com>,
	lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>
Subject: Re: [PATCH perf/core] perf tools: Add missing break for
 PERF_RECORD_ITRACE_START

On Mon, Jun 29, 2015 at 02:17:18PM +0300, Adrian Hunter wrote:
> On 29/06/15 14:12, Jiri Olsa wrote:
> > Missing switch break since introduction of new event:
> >   c4937a91ea56 perf tools: handle PERF_RECORD_LOST_SAMPLES
> > 
> > Cc: Kan Liang <kan.liang@...el.com>
> > Cc: Adrian Hunter <adrian.hunter@...el.com>
> > Link: http://lkml.kernel.org/n/tip-e3gbrp2561x2s9tkqvf2wh9n@git.kernel.org
> > Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> > ---
> >  tools/perf/util/machine.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
> > index 4744673aff1b..a08e38339cac 100644
> > --- a/tools/perf/util/machine.c
> > +++ b/tools/perf/util/machine.c
> > @@ -1448,7 +1448,7 @@ int machine__process_event(struct machine *machine, union perf_event *event,
> >  	case PERF_RECORD_AUX:
> >  		ret = machine__process_aux_event(machine, event); break;
> >  	case PERF_RECORD_ITRACE_START:
> > -		ret = machine__process_itrace_start_event(machine, event);
> > +		ret = machine__process_itrace_start_event(machine, event); break;
> >  	case PERF_RECORD_LOST_SAMPLES:
> >  		ret = machine__process_lost_samples_event(machine, event, sample); break;
> >  		break;
> 
> But now you have break; break;
> 
> Isn't putting 'break' on the end of the line making things harder to read?

I would tend to agree, its a very odd style.
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