linux-kernel - Re: [PATCH] perf stat: Fix recort

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Date:	Tue, 12 Jan 2016 11:15:37 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Jiri Olsa <jolsa@...nel.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Markus Trippelsdorf <markus@...ppelsdorf.de>
Subject: Re: [PATCH] perf stat: Fix recort_usage typo

Em Tue, Jan 12, 2016 at 10:35:29AM +0100, Jiri Olsa escreveu:
> Markus reported gcc 6 complains when compiling perf stat command:
> 
>   builtin-stat.c:1591:27: error: ‘recort_usage’ defined but not used
>   [-Werror=unused-const-variable]
>    static const char * const recort_usage[] = {
>                              ^~~~~~~~~~~~
> I fixed the typo and realized we already export record_usage,
> so I also prefixed it with stat (and included report_usage).

Thanks, applied.
 
> Reported-by: Markus Trippelsdorf <markus@...ppelsdorf.de>
> Link: http://lkml.kernel.org/n/tip-3c3vkc6bejfsuxxgkcwxllsc@git.kernel.org
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>
> ---
>  tools/perf/builtin-stat.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
> index 7f568244662b..038e877081b6 100644
> --- a/tools/perf/builtin-stat.c
> +++ b/tools/perf/builtin-stat.c
> @@ -1588,7 +1588,7 @@ static int add_default_attributes(void)
>  	return perf_evlist__add_default_attrs(evsel_list, very_very_detailed_attrs);
>  }
>  
> -static const char * const recort_usage[] = {
> +static const char * const stat_record_usage[] = {
>  	"perf stat record [<options>]",
>  	NULL,
>  };
> @@ -1611,7 +1611,7 @@ static int __cmd_record(int argc, const char **argv)
>  	struct perf_session *session;
>  	struct perf_data_file *file = &perf_stat.file;
>  
> -	argc = parse_options(argc, argv, stat_options, record_usage,
> +	argc = parse_options(argc, argv, stat_options, stat_record_usage,
>  			     PARSE_OPT_STOP_AT_NON_OPTION);
>  
>  	if (output_name)
> @@ -1745,7 +1745,7 @@ int process_cpu_map_event(struct perf_tool *tool __maybe_unused,
>  	return set_maps(st);
>  }
>  
> -static const char * const report_usage[] = {
> +static const char * const stat_report_usage[] = {
>  	"perf stat report [<options>]",
>  	NULL,
>  };
> @@ -1779,7 +1779,7 @@ static int __cmd_report(int argc, const char **argv)
>  	struct stat st;
>  	int ret;
>  
> -	argc = parse_options(argc, argv, options, report_usage, 0);
> +	argc = parse_options(argc, argv, options, stat_report_usage, 0);
>  
>  	if (!input_name || !strlen(input_name)) {
>  		if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
> -- 
> 2.4.3