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perf stat: Refactor the code to strip csv output with ltrim()

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To strip csv output, use ltrim() instead of just while loop and
isspace() at print_metric_{only}_csv().

Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1491575061-704-3-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Taeung Song 2017-04-07 23:24:18 +09:00 committed by Arnaldo Carvalho de Melo
parent 32ccb130f5
commit b07c40df1f
1 changed files with 2 additions and 8 deletions
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10
tools/perf/builtin-stat.c
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@ -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;