[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20240302001139.604829-6-weilin.wang@intel.com>
Date: Fri, 1 Mar 2024 19:11:37 -0500
From: weilin.wang@...el.com
To: weilin.wang@...el.com,
Ian Rogers <irogers@...gle.com>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Adrian Hunter <adrian.hunter@...el.com>,
Kan Liang <kan.liang@...ux.intel.com>
Cc: linux-perf-users@...r.kernel.org,
linux-kernel@...r.kernel.org,
Perry Taylor <perry.taylor@...el.com>,
Samantha Alt <samantha.alt@...el.com>,
Caleb Biggers <caleb.biggers@...el.com>
Subject: [RFC PATCH v3 5/6] perf stat: Add retire latency print functions to print out at the very end of print out
From: Weilin Wang <weilin.wang@...el.com>
Add print out functions so that users could read retire latency values.
Signed-off-by: Weilin Wang <weilin.wang@...el.com>
---
tools/perf/util/stat-display.c | 65 ++++++++++++++++++++++++++++++++++
1 file changed, 65 insertions(+)
diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index bfc1d705f437..e2996ba67bfe 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -21,6 +21,7 @@
#include "iostat.h"
#include "pmu.h"
#include "pmus.h"
+#include "metricgroup.h"
#define CNTR_NOT_SUPPORTED "<not supported>"
#define CNTR_NOT_COUNTED "<not counted>"
@@ -34,6 +35,7 @@
#define COMM_LEN 16
#define PID_LEN 7
#define CPUS_LEN 4
+#define RETIRE_LEN 8
static int aggr_header_lens[] = {
[AGGR_CORE] = 18,
@@ -426,6 +428,67 @@ static void print_metric_std(struct perf_stat_config *config,
fprintf(out, " %-*s", METRIC_LEN - n - 1, unit);
}
+static void print_retire_lat_std(struct perf_stat_config *config,
+ struct outstate *os)
+{
+ FILE *out = os->fh;
+ bool newline = os->newline;
+ struct tpebs_retire_lat *t;
+ struct list_head *retire_lats = &config->tpebs_results;
+
+ list_for_each_entry(t, retire_lats, nd) {
+ if (newline)
+ do_new_line_std(config, os);
+ fprintf(out, "%'*.2f %-*s", COUNTS_LEN, t->val, EVNAME_LEN, t->name);
+ fprintf(out, "%*ld %*d\n", RETIRE_LEN, t->count,
+ RETIRE_LEN, t->sum);
+ }
+}
+
+static void print_retire_lat_csv(struct perf_stat_config *config,
+ struct outstate *os)
+{
+ FILE *out = os->fh;
+ struct tpebs_retire_lat *t;
+ struct list_head *retire_lats = &config->tpebs_results;
+ const char *sep = config->csv_sep;
+
+ list_for_each_entry(t, retire_lats, nd) {
+ fprintf(out, "%f%s%s%s%s%ld%s%d\n", t->val, sep, sep, t->name, sep,
+ t->count, sep, t->sum);
+ }
+}
+
+static void print_retire_lat_json(struct perf_stat_config *config,
+ struct outstate *os)
+{
+ FILE *out = os->fh;
+ struct tpebs_retire_lat *t;
+ struct list_head *retire_lats = &config->tpebs_results;
+
+ fprintf(out, "{");
+ list_for_each_entry(t, retire_lats, nd) {
+ fprintf(out, "\"retire_latency-value\" : \"%f\", ", t->val);
+ fprintf(out, "\"event-name\" : \"%s\"", t->name);
+ fprintf(out, "\"sample-counts\" : \"%ld\"", t->count);
+ fprintf(out, "\"retire_latency-sum\" : \"%d\"", t->sum);
+ }
+ fprintf(out, "}");
+}
+
+static void print_retire_lat(struct perf_stat_config *config,
+ struct outstate *os)
+{
+ if (!&config->tpebs_results)
+ return;
+ if (config->json_output)
+ print_retire_lat_json(config, os);
+ else if (config->csv_output)
+ print_retire_lat_csv(config, os);
+ else
+ print_retire_lat_std(config, os);
+}
+
static void new_line_csv(struct perf_stat_config *config, void *ctx)
{
struct outstate *os = ctx;
@@ -1609,6 +1672,8 @@ void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *conf
break;
}
+ print_retire_lat(config, &os);
+
print_footer(config);
fflush(config->output);
--
2.43.0
Powered by blists - more mailing lists