Re: [PATCH 20/24] perf stat: Always correctly indent ratio column

From: Ingo Molnar
Date: Fri Mar 13 2015 - 03:36:58 EST



* Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> wrote:

> From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
>
> When cycles or instructions do not print anything, as in being,
> --per-socket or --per-core modi, the ratio column was not correctly
> indented for them. This lead to some ratios not lining up with the
> others. Always indent correctly when nothing is printed.
>
> Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> Link: http://lkml.kernel.org/r/1426087682-22765-3-git-send-email-andi@xxxxxxxxxxxxxx
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> ---
> tools/perf/builtin-stat.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
> index e78c68df2152..41b296fff307 100644
> --- a/tools/perf/builtin-stat.c
> +++ b/tools/perf/builtin-stat.c
> @@ -1093,7 +1093,8 @@ static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg)
> if (total) {
> ratio = avg / total;
> fprintf(output, " # %5.2f insns per cycle ", ratio);
> - }
> + } else
> + fprintf(output, " ");

The standard pattern is symmetric curly braces.

> @@ -1162,7 +1163,8 @@ static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg)
> if (total) {
> ratio = avg / total;
> fprintf(output, " # %8.3f GHz ", ratio);
> - }
> + } else
> + fprintf(output, " ");

Ditto...

Thanks,

Ingo
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