linux-kernel - Re: [PATCH V8 11/25] perf auxtrace: Fix period type 'i' not working

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Date:	Thu, 6 Aug 2015 16:50:10 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Adrian Hunter <adrian.hunter@...el.com>
Cc:	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org,
	Jiri Olsa <jolsa@...hat.com>
Subject: Re: [PATCH V8 11/25] perf auxtrace: Fix period type 'i' not working

Em Fri, Jul 17, 2015 at 07:33:46PM +0300, Adrian Hunter escreveu:
> PERF_ITRACE_PERIOD_INSTRUCTIONS is zero so it
> got overwritten by the default period type.
> Fix by checking if the period type was set
> rather than if the value was zero when applying
> the default.

Applied
 
> Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
> ---
>  tools/perf/util/auxtrace.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
> index 3f3b40fa87c8..4ec3acf6fabb 100644
> --- a/tools/perf/util/auxtrace.c
> +++ b/tools/perf/util/auxtrace.c
> @@ -949,6 +949,7 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str,
>  	struct itrace_synth_opts *synth_opts = opt->value;
>  	const char *p;
>  	char *endptr;
> +	bool period_type_set = false;
>  
>  	synth_opts->set = true;
>  
> @@ -977,10 +978,12 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str,
>  				case 'i':
>  					synth_opts->period_type =
>  						PERF_ITRACE_PERIOD_INSTRUCTIONS;
> +					period_type_set = true;
>  					break;
>  				case 't':
>  					synth_opts->period_type =
>  						PERF_ITRACE_PERIOD_TICKS;
> +					period_type_set = true;
>  					break;
>  				case 'm':
>  					synth_opts->period *= 1000;
> @@ -993,6 +996,7 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str,
>  						goto out_err;
>  					synth_opts->period_type =
>  						PERF_ITRACE_PERIOD_NANOSECS;
> +					period_type_set = true;
>  					break;
>  				case '\0':
>  					goto out;
> @@ -1046,7 +1050,7 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str,
>  	}
>  out:
>  	if (synth_opts->instructions) {
> -		if (!synth_opts->period_type)
> +		if (!period_type_set)
>  			synth_opts->period_type =
>  					PERF_ITRACE_DEFAULT_PERIOD_TYPE;
>  		if (!synth_opts->period)
> -- 
> 1.9.1
--
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