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Re: [PATCH 2/5] perf stat: Refactor the code to strip csv output with ltrim()

From Arnaldo Carvalho de Melo <acme@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH 2/5] perf stat: Refactor the code to strip csv output with ltrim()
Date 2017-04-07 17:10 +0200
Message-ID <ttDGr-nA-49@gated-at.bofh.it> (permalink)
References <ttD3H-8io-3@gated-at.bofh.it> <ttD3J-8io-31@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Em Fri, Apr 07, 2017 at 11:24:18PM +0900, Taeung Song escreveu:
> To strip csv output, use ltrim() instead of
> just while loop and isspace() at print_metric_{only}_csv().

Applied.
 
> Cc: Andi Kleen <ak@linux.intel.com>
> Cc: Jiri Olsa <jolsa@kernel.org>
> Cc: Namhyung Kim <namhyung@kernel.org>
> Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
> ---
>  tools/perf/builtin-stat.c | 10 ++--------
>  1 file changed, 2 insertions(+), 8 deletions(-)
> 
> diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
> index 2158ea1..868e086a 100644
> --- a/tools/perf/builtin-stat.c
> +++ b/tools/perf/builtin-stat.c
> @@ -875,10 +875,7 @@ static void print_metric_csv(void *ctx,
>  		return;
>  	}
>  	snprintf(buf, sizeof(buf), fmt, val);
> -	vals = buf;
> -	while (isspace(*vals))
> -		vals++;
> -	ends = vals;
> +	ends = vals = ltrim(buf);
>  	while (isdigit(*ends) || *ends == '.')
>  		ends++;
>  	*ends = 0;
> @@ -950,10 +947,7 @@ static void print_metric_only_csv(void *ctx, const char *color __maybe_unused,
>  		return;
>  	unit = fixunit(tbuf, os->evsel, unit);
>  	snprintf(buf, sizeof buf, fmt, val);
> -	vals = buf;
> -	while (isspace(*vals))
> -		vals++;
> -	ends = vals;
> +	ends = vals = ltrim(buf);
>  	while (isdigit(*ends) || *ends == '.')
>  		ends++;
>  	*ends = 0;
> -- 
> 2.7.4

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Thread

[PATCH 0/5] Refactoring with ltrim() and rtrim() Taeung Song <treeze.taeung@gmail.com> - 2017-04-07 16:30 +0200
  [PATCH 2/5] perf stat: Refactor the code to strip csv output with ltrim() Taeung Song <treeze.taeung@gmail.com> - 2017-04-07 16:30 +0200
    Re: [PATCH 2/5] perf stat: Refactor the code to strip csv output  with ltrim() Arnaldo Carvalho de Melo <acme@kernel.org> - 2017-04-07 17:10 +0200
      Re: [PATCH 2/5] perf stat: Refactor the code to strip csv output with  ltrim() Taeung Song <treeze.taeung@gmail.com> - 2017-04-08 01:50 +0200
  [PATCH 3/5] perf ui browser: Refactor the code to parse color configs with ltrim() Taeung Song <treeze.taeung@gmail.com> - 2017-04-07 16:30 +0200
  [PATCH 1/5] perf annotate: Refactor the code to parse disassemble lines with {l,r}trim() Taeung Song <treeze.taeung@gmail.com> - 2017-04-07 16:30 +0200
    Re: [PATCH 1/5] perf annotate: Refactor the code to parse  disassemble lines with {l,r}trim() Arnaldo Carvalho de Melo <acme@kernel.org> - 2017-04-07 17:10 +0200
      Re: [PATCH 1/5] perf annotate: Refactor the code to parse disassemble  lines with {l,r}trim() Taeung Song <treeze.taeung@gmail.com> - 2017-04-07 20:10 +0200
    Re: [PATCH 1/5] perf annotate: Refactor the code to parse  disassemble lines with {l,r}trim() Arnaldo Carvalho de Melo <acme@kernel.org> - 2017-04-07 17:10 +0200
      Re: [PATCH 1/5] perf annotate: Refactor the code to parse disassemble  lines with {l,r}trim() Taeung Song <treeze.taeung@gmail.com> - 2017-04-08 02:20 +0200
    Re: [PATCH 1/5] perf annotate: Refactor the code to parse  disassemble lines with {l,r}trim() Arnaldo Carvalho de Melo <acme@kernel.org> - 2017-04-07 17:10 +0200

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