From 9809b2b1f23d0b7e0c6154ee0e94445e584435d4 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Thu, 17 Oct 2024 10:53:51 -0700 Subject: [PATCH] perf stat: Fix/add parameter names for print_metric The print_metric parameter names were rearranged, fix and add comments in the stat-shadow callers to ensure they are correct. Signed-off-by: Ian Rogers Acked-by: Namhyung Kim Cc: Yicong Yang Cc: Weilin Wang Cc: Will Deacon Cc: James Clark Cc: Mike Leach Cc: Leo Yan Cc: Sumanth Korikkar Cc: Thomas Richter Cc: Tim Chen Cc: John Garry Link: https://lore.kernel.org/r/20241017175356.783793-3-irogers@google.com Signed-off-by: Namhyung Kim --- tools/perf/util/stat-shadow.c | 55 ++++++++++++++++++++--------------- tools/perf/util/stat.h | 6 ++-- 2 files changed, 36 insertions(+), 25 deletions(-) diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c index 6227de8480836..512890d50b690 100644 --- a/tools/perf/util/stat-shadow.c +++ b/tools/perf/util/stat-shadow.c @@ -196,17 +196,21 @@ static void print_ratio(struct perf_stat_config *config, const struct evsel *evsel, int aggr_idx, double numerator, struct perf_stat_output_ctx *out, enum stat_type denominator_type, - const double color_ratios[3], const char *unit) + const double color_ratios[3], const char *_unit) { double denominator = find_stat(evsel, aggr_idx, denominator_type); + double ratio = 0; + const char *color = NULL; + const char *fmt = NULL; + const char *unit = NULL; if (numerator && denominator) { - double ratio = numerator / denominator * 100.0; - const char *color = get_ratio_color(color_ratios, ratio); - - out->print_metric(config, out->ctx, color, "%7.2f%%", unit, ratio); - } else - out->print_metric(config, out->ctx, NULL, NULL, unit, 0); + ratio = numerator / denominator * 100.0; + color = get_ratio_color(color_ratios, ratio); + fmt = "%7.2f%%"; + unit = _unit; + } + out->print_metric(config, out->ctx, color, fmt, unit, ratio); } static void print_stalled_cycles_front(struct perf_stat_config *config, @@ -320,14 +324,15 @@ static void print_instructions(struct perf_stat_config *config, find_stat(evsel, aggr_idx, STAT_STALLED_CYCLES_BACK)); if (cycles) { - print_metric(config, ctxp, NULL, "%7.2f ", "insn per cycle", - instructions / cycles); - } else - print_metric(config, ctxp, NULL, NULL, "insn per cycle", 0); + print_metric(config, ctxp, /*color=*/NULL, "%7.2f ", "insn per cycle", + instructions / cycles); + } else { + print_metric(config, ctxp, /*color=*/NULL, /*fmt=*/NULL, "insn per cycle", 0); + } if (max_stalled && instructions) { out->new_line(config, ctxp); - print_metric(config, ctxp, NULL, "%7.2f ", "stalled cycles per insn", + print_metric(config, ctxp, /*color=*/NULL, "%7.2f ", "stalled cycles per insn", max_stalled / instructions); } } @@ -342,9 +347,10 @@ static void print_cycles(struct perf_stat_config *config, if (cycles && nsecs) { double ratio = cycles / nsecs; - out->print_metric(config, out->ctx, NULL, "%8.3f", "GHz", ratio); - } else - out->print_metric(config, out->ctx, NULL, NULL, "GHz", 0); + out->print_metric(config, out->ctx, /*color=*/NULL, "%8.3f", "GHz", ratio); + } else { + out->print_metric(config, out->ctx, /*color=*/NULL, /*fmt=*/NULL, "GHz", 0); + } } static void print_nsecs(struct perf_stat_config *config, @@ -357,10 +363,11 @@ static void print_nsecs(struct perf_stat_config *config, double wall_time = avg_stats(&walltime_nsecs_stats); if (wall_time) { - print_metric(config, ctxp, NULL, "%8.3f", "CPUs utilized", + print_metric(config, ctxp, /*color=*/NULL, "%8.3f", "CPUs utilized", nsecs / (wall_time * evsel->scale)); - } else - print_metric(config, ctxp, NULL, NULL, "CPUs utilized", 0); + } else { + print_metric(config, ctxp, /*color=*/NULL, /*fmt=*/NULL, "CPUs utilized", 0); + } } static int prepare_metric(const struct metric_expr *mexp, @@ -542,12 +549,12 @@ static void generic_metric(struct perf_stat_config *config, ratio); } } else { - print_metric(config, ctxp, color, /*unit=*/NULL, + print_metric(config, ctxp, color, /*fmt=*/NULL, out->force_header ? (metric_name ?: evsel->name) : "", 0); } } else { - print_metric(config, ctxp, color, /*unit=*/NULL, + print_metric(config, ctxp, color, /*fmt=*/NULL, out->force_header ? (metric_name ?: evsel->name) : "", 0); } @@ -718,9 +725,11 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, if (unit != ' ') snprintf(unit_buf, sizeof(unit_buf), "%c/sec", unit); - print_metric(config, ctxp, NULL, "%8.3f", unit_buf, ratio); - } else + print_metric(config, ctxp, /*color=*/NULL, "%8.3f", + unit_buf, ratio); + } else { num = 0; + } } } @@ -728,7 +737,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config, &num, NULL, out, metric_events); if (num == 0) - print_metric(config, ctxp, NULL, NULL, NULL, 0); + print_metric(config, ctxp, /*color=*/NULL, /*fmt=*/NULL, /*unit=*/NULL, 0); } /** diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index fd7a187551bd1..a5f3d7d001017 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -155,8 +155,10 @@ extern struct stats walltime_nsecs_stats; extern struct rusage_stats ru_stats; typedef void (*print_metric_t)(struct perf_stat_config *config, - void *ctx, const char *color, const char *unit, - const char *fmt, double val); + void *ctx, const char *color, + const char *fmt, + const char *unit, + double val); typedef void (*new_line_t)(struct perf_stat_config *config, void *ctx); /* Used to print the display name of the Default metricgroup for now. */ -- 2.50.1