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Message-Id: <20241004234120.1495209-3-irogers@google.com>
Date: Fri, 4 Oct 2024 16:41:14 -0700
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>,
Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>,
Kan Liang <kan.liang@...ux.intel.com>, John Garry <john.g.garry@...cle.com>,
Will Deacon <will@...nel.org>, James Clark <james.clark@...aro.org>,
Mike Leach <mike.leach@...aro.org>, Leo Yan <leo.yan@...ux.dev>,
Yicong Yang <yangyicong@...ilicon.com>, Weilin Wang <weilin.wang@...el.com>,
Tim Chen <tim.c.chen@...ux.intel.com>, Thomas Richter <tmricht@...ux.ibm.com>,
Sumanth Korikkar <sumanthk@...ux.ibm.com>, linux-perf-users@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v1 2/8] 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 <irogers@...gle.com>
---
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 3ce756b8ede5..1e6ba6bf244a 100644
--- a/tools/perf/util/stat-shadow.c
+++ b/tools/perf/util/stat-shadow.c
@@ -195,17 +195,21 @@ 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,
@@ -319,14 +323,15 @@ 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);
}
}
@@ -341,9 +346,10 @@ 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,
@@ -356,10 +362,11 @@ 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,
@@ -532,12 +539,12 @@ 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);
}
@@ -708,9 +715,11 @@ 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;
+ }
}
}
@@ -718,7 +727,7 @@ 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 fd7a187551bd..a5f3d7d00101 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. */
--
2.47.0.rc0.187.ge670bccf7e-goog
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