linux-kernel - Re: [PATCH 11/15] perf stat: Do not pass runtime

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Date:   Wed, 23 Nov 2022 15:27:15 -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>,
        Athira Jajeev <atrajeev@...ux.vnet.ibm.com>
Subject: Re: [PATCH 11/15] perf stat: Do not pass runtime_stat to printout()

On Wed, Nov 23, 2022 at 10:02 AM Namhyung Kim <namhyung@...nel.org> wrote:
>
> It always passes a pointer to rt_stat as it's the only one.  Let's not
> pass it and directly refer it in the printout().
>
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>

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

Thanks,
Ian

> ---
>  tools/perf/util/stat-display.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
> index dd190f71e933..cdf4ca7f6e3a 100644
> --- a/tools/perf/util/stat-display.c
> +++ b/tools/perf/util/stat-display.c
> @@ -674,8 +674,7 @@ static bool is_mixed_hw_group(struct evsel *counter)
>  }
>
>  static void printout(struct perf_stat_config *config, struct outstate *os,
> -                    double uval, u64 run, u64 ena, double noise,
> -                    struct runtime_stat *st, int map_idx)
> +                    double uval, u64 run, u64 ena, double noise, int map_idx)
>  {
>         struct perf_stat_output_ctx out;
>         print_metric_t pm;
> @@ -737,7 +736,7 @@ static void printout(struct perf_stat_config *config, struct outstate *os,
>
>         if (ok) {
>                 perf_stat__print_shadow_stats(config, counter, uval, map_idx,
> -                                             &out, &config->metric_events, st);
> +                                             &out, &config->metric_events, &rt_stat);
>         } else {
>                 pm(config, &os, /*color=*/NULL, /*format=*/NULL, /*unit=*/"", /*val=*/0);
>         }
> @@ -834,7 +833,7 @@ static void print_counter_aggrdata(struct perf_stat_config *config,
>
>         uval = val * counter->scale;
>
> -       printout(config, &os, uval, run, ena, avg, &rt_stat, s);
> +       printout(config, &os, uval, run, ena, avg, s);
>
>         if (!metric_only)
>                 fputc('\n', output);
> @@ -987,7 +986,7 @@ static void print_no_aggr_metric(struct perf_stat_config *config,
>                         run = ps->aggr[counter_idx].counts.run;
>
>                         uval = val * counter->scale;
> -                       printout(config, &os, uval, run, ena, 1.0, &rt_stat, counter_idx);
> +                       printout(config, &os, uval, run, ena, 1.0, counter_idx);
>                 }
>                 if (!first)
>                         print_metric_end(config);
> --
> 2.38.1.584.g0f3c55d4c2-goog
>