linux-kernel - Re: [PATCH 11/11] perf stat: Add missing separator in the CSV header

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Date:   Mon, 14 Nov 2022 10:21:22 -0800
From:   Ian Rogers <irogers@...gle.com>
To:     Namhyung Kim <namhyung@...nel.org>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        linux-perf-users@...r.kernel.org,
        Kan Liang <kan.liang@...ux.intel.com>,
        Zhengjun Xing <zhengjun.xing@...ux.intel.com>,
        James Clark <james.clark@....com>
Subject: Re: [PATCH 11/11] perf stat: Add missing separator in the CSV header

On Fri, Nov 11, 2022 at 7:23 PM Namhyung Kim <namhyung@...nel.org> wrote:
>
> It should have a comma after 'cpus' for socket and die aggregation mode.
> The output of the following command shows the issue.
>
>   $ sudo perf stat -a --per-socket -x, --metric-only -I1 true
>
> Before:
>                   +--- here
>                   V
>    time,socket,cpusGhz,insn per cycle,branch-misses of all branches,
>        0.000908461,S0,8,0.950,1.65,1.21,
>
> After:
>    time,socket,cpus,GHz,insn per cycle,branch-misses of all branches,
>        0.000683094,S0,8,0.593,2.00,0.60,
>
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>

Acked-by: Ian Rogers <irogers@...gle.com>

Thanks,
Ian

> ---
>  tools/perf/util/stat-display.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
> index 96bb7a42fd41..a316807255cd 100644
> --- a/tools/perf/util/stat-display.c
> +++ b/tools/perf/util/stat-display.c
> @@ -828,8 +828,8 @@ static int aggr_header_lens[] = {
>
>  static const char *aggr_header_csv[] = {
>         [AGGR_CORE]     =       "core,cpus,",
> -       [AGGR_DIE]      =       "die,cpus",
> -       [AGGR_SOCKET]   =       "socket,cpus",
> +       [AGGR_DIE]      =       "die,cpus,",
> +       [AGGR_SOCKET]   =       "socket,cpus,",
>         [AGGR_NONE]     =       "cpu,",
>         [AGGR_THREAD]   =       "comm-pid,",
>         [AGGR_NODE]     =       "node,",
> --
> 2.38.1.493.g58b659f92b-goog
>