[PATCH 68/77] perf stat: Move the display functions to stat-display.c

From: Arnaldo Carvalho de Melo
Date: Wed Sep 05 2018 - 18:08:08 EST

From: Jiri Olsa <jolsa@xxxxxxxxxx>

Move perf_evlist__print_counters() with all its dependency functions to
the stat-display.c object.

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20180830063252.23729-44-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-stat.c | 1150 ---------------------------------------
tools/perf/util/Build | 1 +
tools/perf/util/stat-display.c | 1166 ++++++++++++++++++++++++++++++++++++++++
tools/perf/util/stat.h | 6 +
4 files changed, 1173 insertions(+), 1150 deletions(-)
create mode 100644 tools/perf/util/stat-display.c

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index f4ddedc8619b..0b0e3961d511 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -88,8 +88,6 @@
#include "sane_ctype.h"

#define DEFAULT_SEPARATOR " "
-#define CNTR_NOT_SUPPORTED "<not supported>"
-#define CNTR_NOT_COUNTED "<not counted>"
#define FREEZE_ON_SMI_PATH "devices/cpu/freeze_on_smi"

static void print_counters(struct timespec *ts, int argc, const char **argv);
@@ -189,11 +187,6 @@ static struct perf_stat_config stat_config = {
.big_num = true,
};

-static bool is_duration_time(struct perf_evsel *evsel)
-{
- return !strcmp(evsel->name, "duration_time");
-}
-
static inline void diff_timespec(struct timespec *r, struct timespec *a,
struct timespec *b)
{
@@ -643,1149 +636,6 @@ static int run_perf_stat(int argc, const char **argv, int run_idx)
return ret;
}

-static void print_running(struct perf_stat_config *config,
- u64 run, u64 ena)
-{
- if (config->csv_output) {
- fprintf(config->output, "%s%" PRIu64 "%s%.2f",
- config->csv_sep,
- run,
- config->csv_sep,
- ena ? 100.0 * run / ena : 100.0);
- } else if (run != ena) {
- fprintf(config->output, " (%.2f%%)", 100.0 * run / ena);
- }
-}
-
-static void print_noise_pct(struct perf_stat_config *config,
- double total, double avg)
-{
- double pct = rel_stddev_stats(total, avg);
-
- if (config->csv_output)
- fprintf(config->output, "%s%.2f%%", config->csv_sep, pct);
- else if (pct)
- fprintf(config->output, " ( +-%6.2f%% )", pct);
-}
-
-static void print_noise(struct perf_stat_config *config,
- struct perf_evsel *evsel, double avg)
-{
- struct perf_stat_evsel *ps;
-
- if (config->run_count == 1)
- return;
-
- ps = evsel->stats;
- print_noise_pct(config, stddev_stats(&ps->res_stats[0]), avg);
-}
-
-static void aggr_printout(struct perf_stat_config *config,
- struct perf_evsel *evsel, int id, int nr)
-{
- switch (config->aggr_mode) {
- case AGGR_CORE:
- fprintf(config->output, "S%d-C%*d%s%*d%s",
- cpu_map__id_to_socket(id),
- config->csv_output ? 0 : -8,
- cpu_map__id_to_cpu(id),
- config->csv_sep,
- config->csv_output ? 0 : 4,
- nr,
- config->csv_sep);
- break;
- case AGGR_SOCKET:
- fprintf(config->output, "S%*d%s%*d%s",
- config->csv_output ? 0 : -5,
- id,
- config->csv_sep,
- config->csv_output ? 0 : 4,
- nr,
- config->csv_sep);
- break;
- case AGGR_NONE:
- fprintf(config->output, "CPU%*d%s",
- config->csv_output ? 0 : -4,
- perf_evsel__cpus(evsel)->map[id], config->csv_sep);
- break;
- case AGGR_THREAD:
- fprintf(config->output, "%*s-%*d%s",
- config->csv_output ? 0 : 16,
- thread_map__comm(evsel->threads, id),
- config->csv_output ? 0 : -8,
- thread_map__pid(evsel->threads, id),
- config->csv_sep);
- break;
- case AGGR_GLOBAL:
- case AGGR_UNSET:
- default:
- break;
- }
-}
-
-struct outstate {
- FILE *fh;
- bool newline;
- const char *prefix;
- int nfields;
- int id, nr;
- struct perf_evsel *evsel;
-};
-
-#define METRIC_LEN 35
-
-static void new_line_std(struct perf_stat_config *config __maybe_unused,
- void *ctx)
-{
- struct outstate *os = ctx;
-
- os->newline = true;
-}
-
-static void do_new_line_std(struct perf_stat_config *config,
- struct outstate *os)
-{
- fputc('\n', os->fh);
- fputs(os->prefix, os->fh);
- aggr_printout(config, os->evsel, os->id, os->nr);
- if (config->aggr_mode == AGGR_NONE)
- fprintf(os->fh, " ");
- fprintf(os->fh, " ");
-}
-
-static void print_metric_std(struct perf_stat_config *config,
- void *ctx, const char *color, const char *fmt,
- const char *unit, double val)
-{
- struct outstate *os = ctx;
- FILE *out = os->fh;
- int n;
- bool newline = os->newline;
-
- os->newline = false;
-
- if (unit == NULL || fmt == NULL) {
- fprintf(out, "%-*s", METRIC_LEN, "");
- return;
- }
-
- if (newline)
- do_new_line_std(config, os);
-
- n = fprintf(out, " # ");
- if (color)
- n += color_fprintf(out, color, fmt, val);
- else
- n += fprintf(out, fmt, val);
- fprintf(out, " %-*s", METRIC_LEN - n - 1, unit);
-}
-
-static void new_line_csv(struct perf_stat_config *config, void *ctx)
-{
- struct outstate *os = ctx;
- int i;
-
- fputc('\n', os->fh);
- if (os->prefix)
- fprintf(os->fh, "%s%s", os->prefix, config->csv_sep);
- aggr_printout(config, os->evsel, os->id, os->nr);
- for (i = 0; i < os->nfields; i++)
- fputs(config->csv_sep, os->fh);
-}
-
-static void print_metric_csv(struct perf_stat_config *config __maybe_unused,
- void *ctx,
- const char *color __maybe_unused,
- const char *fmt, const char *unit, double val)
-{
- struct outstate *os = ctx;
- FILE *out = os->fh;
- char buf[64], *vals, *ends;
-
- if (unit == NULL || fmt == NULL) {
- fprintf(out, "%s%s", config->csv_sep, config->csv_sep);
- return;
- }
- snprintf(buf, sizeof(buf), fmt, val);
- ends = vals = ltrim(buf);
- while (isdigit(*ends) || *ends == '.')
- ends++;
- *ends = 0;
- while (isspace(*unit))
- unit++;
- fprintf(out, "%s%s%s%s", config->csv_sep, vals, config->csv_sep, unit);
-}
-
-/* Filter out some columns that don't work well in metrics only mode */
-
-static bool valid_only_metric(const char *unit)
-{
- if (!unit)
- return false;
- if (strstr(unit, "/sec") ||
- strstr(unit, "hz") ||
- strstr(unit, "Hz") ||
- strstr(unit, "CPUs utilized"))
- return false;
- return true;
-}
-
-static const char *fixunit(char *buf, struct perf_evsel *evsel,
- const char *unit)
-{
- if (!strncmp(unit, "of all", 6)) {
- snprintf(buf, 1024, "%s %s", perf_evsel__name(evsel),
- unit);
- return buf;
- }
- return unit;
-}
-
-static void print_metric_only(struct perf_stat_config *config,
- void *ctx, const char *color, const char *fmt,
- const char *unit, double val)
-{
- struct outstate *os = ctx;
- FILE *out = os->fh;
- char buf[1024], str[1024];
- unsigned mlen = config->metric_only_len;
-
- if (!valid_only_metric(unit))
- return;
- unit = fixunit(buf, os->evsel, unit);
- if (mlen < strlen(unit))
- mlen = strlen(unit) + 1;
-
- if (color)
- mlen += strlen(color) + sizeof(PERF_COLOR_RESET) - 1;
-
- color_snprintf(str, sizeof(str), color ?: "", fmt, val);
- fprintf(out, "%*s ", mlen, str);
-}
-
-static void print_metric_only_csv(struct perf_stat_config *config __maybe_unused,
- void *ctx, const char *color __maybe_unused,
- const char *fmt,
- const char *unit, double val)
-{
- struct outstate *os = ctx;
- FILE *out = os->fh;
- char buf[64], *vals, *ends;
- char tbuf[1024];
-
- if (!valid_only_metric(unit))
- return;
- unit = fixunit(tbuf, os->evsel, unit);
- snprintf(buf, sizeof buf, fmt, val);
- ends = vals = ltrim(buf);
- while (isdigit(*ends) || *ends == '.')
- ends++;
- *ends = 0;
- fprintf(out, "%s%s", vals, config->csv_sep);
-}
-
-static void new_line_metric(struct perf_stat_config *config __maybe_unused,
- void *ctx __maybe_unused)
-{
-}
-
-static void print_metric_header(struct perf_stat_config *config,
- void *ctx, const char *color __maybe_unused,
- const char *fmt __maybe_unused,
- const char *unit, double val __maybe_unused)
-{
- struct outstate *os = ctx;
- char tbuf[1024];
-
- if (!valid_only_metric(unit))
- return;
- unit = fixunit(tbuf, os->evsel, unit);
- if (config->csv_output)
- fprintf(os->fh, "%s%s", unit, config->csv_sep);
- else
- fprintf(os->fh, "%*s ", config->metric_only_len, unit);
-}
-
-static int first_shadow_cpu(struct perf_stat_config *config,
- struct perf_evsel *evsel, int id)
-{
- struct perf_evlist *evlist = evsel->evlist;
- int i;
-
- if (!config->aggr_get_id)
- return 0;
-
- if (config->aggr_mode == AGGR_NONE)
- return id;
-
- if (config->aggr_mode == AGGR_GLOBAL)
- return 0;
-
- for (i = 0; i < perf_evsel__nr_cpus(evsel); i++) {
- int cpu2 = perf_evsel__cpus(evsel)->map[i];
-
- if (config->aggr_get_id(config, evlist->cpus, cpu2) == id)
- return cpu2;
- }
- return 0;
-}
-
-static void abs_printout(struct perf_stat_config *config,
- int id, int nr, struct perf_evsel *evsel, double avg)
-{
- FILE *output = config->output;
- double sc = evsel->scale;
- const char *fmt;
-
- if (config->csv_output) {
- fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s";
- } else {
- if (config->big_num)
- fmt = floor(sc) != sc ? "%'18.2f%s" : "%'18.0f%s";
- else
- fmt = floor(sc) != sc ? "%18.2f%s" : "%18.0f%s";
- }
-
- aggr_printout(config, evsel, id, nr);
-
- fprintf(output, fmt, avg, config->csv_sep);
-
- if (evsel->unit)
- fprintf(output, "%-*s%s",
- config->csv_output ? 0 : config->unit_width,
- evsel->unit, config->csv_sep);
-
- fprintf(output, "%-*s", config->csv_output ? 0 : 25, perf_evsel__name(evsel));
-
- if (evsel->cgrp)
- fprintf(output, "%s%s", config->csv_sep, evsel->cgrp->name);
-}
-
-static bool is_mixed_hw_group(struct perf_evsel *counter)
-{
- struct perf_evlist *evlist = counter->evlist;
- u32 pmu_type = counter->attr.type;
- struct perf_evsel *pos;
-
- if (counter->nr_members < 2)
- return false;
-
- evlist__for_each_entry(evlist, pos) {
- /* software events can be part of any hardware group */
- if (pos->attr.type == PERF_TYPE_SOFTWARE)
- continue;
- if (pmu_type == PERF_TYPE_SOFTWARE) {
- pmu_type = pos->attr.type;
- continue;
- }
- if (pmu_type != pos->attr.type)
- return true;
- }
-
- return false;
-}
-
-static void printout(struct perf_stat_config *config, int id, int nr,
- struct perf_evsel *counter, double uval,
- char *prefix, u64 run, u64 ena, double noise,
- struct runtime_stat *st)
-{
- struct perf_stat_output_ctx out;
- struct outstate os = {
- .fh = config->output,
- .prefix = prefix ? prefix : "",
- .id = id,
- .nr = nr,
- .evsel = counter,
- };
- print_metric_t pm = print_metric_std;
- new_line_t nl;
-
- if (config->metric_only) {
- nl = new_line_metric;
- if (config->csv_output)
- pm = print_metric_only_csv;
- else
- pm = print_metric_only;
- } else
- nl = new_line_std;
-
- if (config->csv_output && !config->metric_only) {
- static int aggr_fields[] = {
- [AGGR_GLOBAL] = 0,
- [AGGR_THREAD] = 1,
- [AGGR_NONE] = 1,
- [AGGR_SOCKET] = 2,
- [AGGR_CORE] = 2,
- };
-
- pm = print_metric_csv;
- nl = new_line_csv;
- os.nfields = 3;
- os.nfields += aggr_fields[config->aggr_mode];
- if (counter->cgrp)
- os.nfields++;
- }
- if (run == 0 || ena == 0 || counter->counts->scaled == -1) {
- if (config->metric_only) {
- pm(config, &os, NULL, "", "", 0);
- return;
- }
- aggr_printout(config, counter, id, nr);
-
- fprintf(config->output, "%*s%s",
- config->csv_output ? 0 : 18,
- counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
- config->csv_sep);
-
- if (counter->supported) {
- config->print_free_counters_hint = 1;
- if (is_mixed_hw_group(counter))
- config->print_mixed_hw_group_error = 1;
- }
-
- fprintf(config->output, "%-*s%s",
- config->csv_output ? 0 : config->unit_width,
- counter->unit, config->csv_sep);
-
- fprintf(config->output, "%*s",
- config->csv_output ? 0 : -25,
- perf_evsel__name(counter));
-
- if (counter->cgrp)
- fprintf(config->output, "%s%s",
- config->csv_sep, counter->cgrp->name);
-
- if (!config->csv_output)
- pm(config, &os, NULL, NULL, "", 0);
- print_noise(config, counter, noise);
- print_running(config, run, ena);
- if (config->csv_output)
- pm(config, &os, NULL, NULL, "", 0);
- return;
- }
-
- if (!config->metric_only)
- abs_printout(config, id, nr, counter, uval);
-
- out.print_metric = pm;
- out.new_line = nl;
- out.ctx = &os;
- out.force_header = false;
-
- if (config->csv_output && !config->metric_only) {
- print_noise(config, counter, noise);
- print_running(config, run, ena);
- }
-
- perf_stat__print_shadow_stats(config, counter, uval,
- first_shadow_cpu(config, counter, id),
- &out, &config->metric_events, st);
- if (!config->csv_output && !config->metric_only) {
- print_noise(config, counter, noise);
- print_running(config, run, ena);
- }
-}
-
-static void aggr_update_shadow(struct perf_stat_config *config,
- struct perf_evlist *evlist)
-{
- int cpu, s2, id, s;
- u64 val;
- struct perf_evsel *counter;
-
- for (s = 0; s < config->aggr_map->nr; s++) {
- id = config->aggr_map->map[s];
- evlist__for_each_entry(evlist, counter) {
- val = 0;
- for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
- s2 = config->aggr_get_id(config, evlist->cpus, cpu);
- if (s2 != id)
- continue;
- val += perf_counts(counter->counts, cpu, 0)->val;
- }
- perf_stat__update_shadow_stats(counter, val,
- first_shadow_cpu(config, counter, id),
- &rt_stat);
- }
- }
-}
-
-static void uniquify_event_name(struct perf_evsel *counter)
-{
- char *new_name;
- char *config;
-
- if (counter->uniquified_name ||
- !counter->pmu_name || !strncmp(counter->name, counter->pmu_name,
- strlen(counter->pmu_name)))
- return;
-
- config = strchr(counter->name, '/');
- if (config) {
- if (asprintf(&new_name,
- "%s%s", counter->pmu_name, config) > 0) {
- free(counter->name);
- counter->name = new_name;
- }
- } else {
- if (asprintf(&new_name,
- "%s [%s]", counter->name, counter->pmu_name) > 0) {
- free(counter->name);
- counter->name = new_name;
- }
- }
-
- counter->uniquified_name = true;
-}
-
-static void collect_all_aliases(struct perf_stat_config *config, struct perf_evsel *counter,
- void (*cb)(struct perf_stat_config *config, struct perf_evsel *counter, void *data,
- bool first),
- void *data)
-{
- struct perf_evlist *evlist = counter->evlist;
- struct perf_evsel *alias;
-
- alias = list_prepare_entry(counter, &(evlist->entries), node);
- list_for_each_entry_continue (alias, &evlist->entries, node) {
- if (strcmp(perf_evsel__name(alias), perf_evsel__name(counter)) ||
- alias->scale != counter->scale ||
- alias->cgrp != counter->cgrp ||
- strcmp(alias->unit, counter->unit) ||
- perf_evsel__is_clock(alias) != perf_evsel__is_clock(counter))
- break;
- alias->merged_stat = true;
- cb(config, alias, data, false);
- }
-}
-
-static bool collect_data(struct perf_stat_config *config, struct perf_evsel *counter,
- void (*cb)(struct perf_stat_config *config, struct perf_evsel *counter, void *data,
- bool first),
- void *data)
-{
- if (counter->merged_stat)
- return false;
- cb(config, counter, data, true);
- if (config->no_merge)
- uniquify_event_name(counter);
- else if (counter->auto_merge_stats)
- collect_all_aliases(config, counter, cb, data);
- return true;
-}
-
-struct aggr_data {
- u64 ena, run, val;
- int id;
- int nr;
- int cpu;
-};
-
-static void aggr_cb(struct perf_stat_config *config,
- struct perf_evsel *counter, void *data, bool first)
-{
- struct aggr_data *ad = data;
- int cpu, s2;
-
- for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
- struct perf_counts_values *counts;
-
- s2 = config->aggr_get_id(config, perf_evsel__cpus(counter), cpu);
- if (s2 != ad->id)
- continue;
- if (first)
- ad->nr++;
- counts = perf_counts(counter->counts, cpu, 0);
- /*
- * When any result is bad, make them all to give
- * consistent output in interval mode.
- */
- if (counts->ena == 0 || counts->run == 0 ||
- counter->counts->scaled == -1) {
- ad->ena = 0;
- ad->run = 0;
- break;
- }
- ad->val += counts->val;
- ad->ena += counts->ena;
- ad->run += counts->run;
- }
-}
-
-static void print_aggr(struct perf_stat_config *config,
- struct perf_evlist *evlist,
- char *prefix)
-{
- bool metric_only = config->metric_only;
- FILE *output = config->output;
- struct perf_evsel *counter;
- int s, id, nr;
- double uval;
- u64 ena, run, val;
- bool first;
-
- if (!(config->aggr_map || config->aggr_get_id))
- return;
-
- aggr_update_shadow(config, evlist);
-
- /*
- * With metric_only everything is on a single line.
- * Without each counter has its own line.
- */
- for (s = 0; s < config->aggr_map->nr; s++) {
- struct aggr_data ad;
- if (prefix && metric_only)
- fprintf(output, "%s", prefix);
-
- ad.id = id = config->aggr_map->map[s];
- first = true;
- evlist__for_each_entry(evlist, counter) {
- if (is_duration_time(counter))
- continue;
-
- ad.val = ad.ena = ad.run = 0;
- ad.nr = 0;
- if (!collect_data(config, counter, aggr_cb, &ad))
- continue;
- nr = ad.nr;
- ena = ad.ena;
- run = ad.run;
- val = ad.val;
- if (first && metric_only) {
- first = false;
- aggr_printout(config, counter, id, nr);
- }
- if (prefix && !metric_only)
- fprintf(output, "%s", prefix);
-
- uval = val * counter->scale;
- printout(config, id, nr, counter, uval, prefix,
- run, ena, 1.0, &rt_stat);
- if (!metric_only)
- fputc('\n', output);
- }
- if (metric_only)
- fputc('\n', output);
- }
-}
-
-static int cmp_val(const void *a, const void *b)
-{
- return ((struct perf_aggr_thread_value *)b)->val -
- ((struct perf_aggr_thread_value *)a)->val;
-}
-
-static struct perf_aggr_thread_value *sort_aggr_thread(
- struct perf_evsel *counter,
- int nthreads, int ncpus,
- int *ret,
- struct target *_target)
-{
- int cpu, thread, i = 0;
- double uval;
- struct perf_aggr_thread_value *buf;
-
- buf = calloc(nthreads, sizeof(struct perf_aggr_thread_value));
- if (!buf)
- return NULL;
-
- for (thread = 0; thread < nthreads; thread++) {
- u64 ena = 0, run = 0, val = 0;
-
- for (cpu = 0; cpu < ncpus; cpu++) {
- val += perf_counts(counter->counts, cpu, thread)->val;
- ena += perf_counts(counter->counts, cpu, thread)->ena;
- run += perf_counts(counter->counts, cpu, thread)->run;
- }
-
- uval = val * counter->scale;
-
- /*
- * Skip value 0 when enabling --per-thread globally,
- * otherwise too many 0 output.
- */
- if (uval == 0.0 && target__has_per_thread(_target))
- continue;
-
- buf[i].counter = counter;
- buf[i].id = thread;
- buf[i].uval = uval;
- buf[i].val = val;
- buf[i].run = run;
- buf[i].ena = ena;
- i++;
- }
-
- qsort(buf, i, sizeof(struct perf_aggr_thread_value), cmp_val);
-
- if (ret)
- *ret = i;
-
- return buf;
-}
-
-static void print_aggr_thread(struct perf_stat_config *config,
- struct target *_target,
- struct perf_evsel *counter, char *prefix)
-{
- FILE *output = config->output;
- int nthreads = thread_map__nr(counter->threads);
- int ncpus = cpu_map__nr(counter->cpus);
- int thread, sorted_threads, id;
- struct perf_aggr_thread_value *buf;
-
- buf = sort_aggr_thread(counter, nthreads, ncpus, &sorted_threads, _target);
- if (!buf) {
- perror("cannot sort aggr thread");
- return;
- }
-
- for (thread = 0; thread < sorted_threads; thread++) {
- if (prefix)
- fprintf(output, "%s", prefix);
-
- id = buf[thread].id;
- if (config->stats)
- printout(config, id, 0, buf[thread].counter, buf[thread].uval,
- prefix, buf[thread].run, buf[thread].ena, 1.0,
- &config->stats[id]);
- else
- printout(config, id, 0, buf[thread].counter, buf[thread].uval,
- prefix, buf[thread].run, buf[thread].ena, 1.0,
- &rt_stat);
- fputc('\n', output);
- }
-
- free(buf);
-}
-
-struct caggr_data {
- double avg, avg_enabled, avg_running;
-};
-
-static void counter_aggr_cb(struct perf_stat_config *config __maybe_unused,
- struct perf_evsel *counter, void *data,
- bool first __maybe_unused)
-{
- struct caggr_data *cd = data;
- struct perf_stat_evsel *ps = counter->stats;
-
- cd->avg += avg_stats(&ps->res_stats[0]);
- cd->avg_enabled += avg_stats(&ps->res_stats[1]);
- cd->avg_running += avg_stats(&ps->res_stats[2]);
-}
-
-/*
- * Print out the results of a single counter:
- * aggregated counts in system-wide mode
- */
-static void print_counter_aggr(struct perf_stat_config *config,
- struct perf_evsel *counter, char *prefix)
-{
- bool metric_only = config->metric_only;
- FILE *output = config->output;
- double uval;
- struct caggr_data cd = { .avg = 0.0 };
-
- if (!collect_data(config, counter, counter_aggr_cb, &cd))
- return;
-
- if (prefix && !metric_only)
- fprintf(output, "%s", prefix);
-
- uval = cd.avg * counter->scale;
- printout(config, -1, 0, counter, uval, prefix, cd.avg_running, cd.avg_enabled,
- cd.avg, &rt_stat);
- if (!metric_only)
- fprintf(output, "\n");
-}
-
-static void counter_cb(struct perf_stat_config *config __maybe_unused,
- struct perf_evsel *counter, void *data,
- bool first __maybe_unused)
-{
- struct aggr_data *ad = data;
-
- ad->val += perf_counts(counter->counts, ad->cpu, 0)->val;
- ad->ena += perf_counts(counter->counts, ad->cpu, 0)->ena;
- ad->run += perf_counts(counter->counts, ad->cpu, 0)->run;
-}
-
-/*
- * Print out the results of a single counter:
- * does not use aggregated count in system-wide
- */
-static void print_counter(struct perf_stat_config *config,
- struct perf_evsel *counter, char *prefix)
-{
- FILE *output = config->output;
- u64 ena, run, val;
- double uval;
- int cpu;
-
- for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
- struct aggr_data ad = { .cpu = cpu };
-
- if (!collect_data(config, counter, counter_cb, &ad))
- return;
- val = ad.val;
- ena = ad.ena;
- run = ad.run;
-
- if (prefix)
- fprintf(output, "%s", prefix);
-
- uval = val * counter->scale;
- printout(config, cpu, 0, counter, uval, prefix, run, ena, 1.0,
- &rt_stat);
-
- fputc('\n', output);
- }
-}
-
-static void print_no_aggr_metric(struct perf_stat_config *config,
- struct perf_evlist *evlist,
- char *prefix)
-{
- int cpu;
- int nrcpus = 0;
- struct perf_evsel *counter;
- u64 ena, run, val;
- double uval;
-
- nrcpus = evlist->cpus->nr;
- for (cpu = 0; cpu < nrcpus; cpu++) {
- bool first = true;
-
- if (prefix)
- fputs(prefix, config->output);
- evlist__for_each_entry(evlist, counter) {
- if (is_duration_time(counter))
- continue;
- if (first) {
- aggr_printout(config, counter, cpu, 0);
- first = false;
- }
- val = perf_counts(counter->counts, cpu, 0)->val;
- ena = perf_counts(counter->counts, cpu, 0)->ena;
- run = perf_counts(counter->counts, cpu, 0)->run;
-
- uval = val * counter->scale;
- printout(config, cpu, 0, counter, uval, prefix, run, ena, 1.0,
- &rt_stat);
- }
- fputc('\n', config->output);
- }
-}
-
-static int aggr_header_lens[] = {
- [AGGR_CORE] = 18,
- [AGGR_SOCKET] = 12,
- [AGGR_NONE] = 6,
- [AGGR_THREAD] = 24,
- [AGGR_GLOBAL] = 0,
-};
-
-static const char *aggr_header_csv[] = {
- [AGGR_CORE] = "core,cpus,",
- [AGGR_SOCKET] = "socket,cpus",
- [AGGR_NONE] = "cpu,",
- [AGGR_THREAD] = "comm-pid,",
- [AGGR_GLOBAL] = ""
-};
-
-static void print_metric_headers(struct perf_stat_config *config,
- struct perf_evlist *evlist,
- const char *prefix, bool no_indent)
-{
- struct perf_stat_output_ctx out;
- struct perf_evsel *counter;
- struct outstate os = {
- .fh = config->output
- };
-
- if (prefix)
- fprintf(config->output, "%s", prefix);
-
- if (!config->csv_output && !no_indent)
- fprintf(config->output, "%*s",
- aggr_header_lens[config->aggr_mode], "");
- if (config->csv_output) {
- if (config->interval)
- fputs("time,", config->output);
- fputs(aggr_header_csv[config->aggr_mode], config->output);
- }
-
- /* Print metrics headers only */
- evlist__for_each_entry(evlist, counter) {
- if (is_duration_time(counter))
- continue;
- os.evsel = counter;
- out.ctx = &os;
- out.print_metric = print_metric_header;
- out.new_line = new_line_metric;
- out.force_header = true;
- os.evsel = counter;
- perf_stat__print_shadow_stats(config, counter, 0,
- 0,
- &out,
- &config->metric_events,
- &rt_stat);
- }
- fputc('\n', config->output);
-}
-
-static void print_interval(struct perf_stat_config *config,
- struct perf_evlist *evlist,
- char *prefix, struct timespec *ts)
-{
- bool metric_only = config->metric_only;
- unsigned int unit_width = config->unit_width;
- FILE *output = config->output;
- static int num_print_interval;
-
- if (config->interval_clear)
- puts(CONSOLE_CLEAR);
-
- sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, config->csv_sep);
-
- if ((num_print_interval == 0 && !config->csv_output) || config->interval_clear) {
- switch (config->aggr_mode) {
- case AGGR_SOCKET:
- fprintf(output, "# time socket cpus");
- if (!metric_only)
- fprintf(output, " counts %*s events\n", unit_width, "unit");
- break;
- case AGGR_CORE:
- fprintf(output, "# time core cpus");
- if (!metric_only)
- fprintf(output, " counts %*s events\n", unit_width, "unit");
- break;
- case AGGR_NONE:
- fprintf(output, "# time CPU ");
- if (!metric_only)
- fprintf(output, " counts %*s events\n", unit_width, "unit");
- break;
- case AGGR_THREAD:
- fprintf(output, "# time comm-pid");
- if (!metric_only)
- fprintf(output, " counts %*s events\n", unit_width, "unit");
- break;
- case AGGR_GLOBAL:
- default:
- fprintf(output, "# time");
- if (!metric_only)
- fprintf(output, " counts %*s events\n", unit_width, "unit");
- case AGGR_UNSET:
- break;
- }
- }
-
- if ((num_print_interval == 0 || config->interval_clear) && metric_only)
- print_metric_headers(config, evlist, " ", true);
- if (++num_print_interval == 25)
- num_print_interval = 0;
-}
-
-static void print_header(struct perf_stat_config *config,
- struct target *_target,
- int argc, const char **argv)
-{
- FILE *output = config->output;
- int i;
-
- fflush(stdout);
-
- if (!config->csv_output) {
- fprintf(output, "\n");
- fprintf(output, " Performance counter stats for ");
- if (_target->system_wide)
- fprintf(output, "\'system wide");
- else if (_target->cpu_list)
- fprintf(output, "\'CPU(s) %s", _target->cpu_list);
- else if (!target__has_task(_target)) {
- fprintf(output, "\'%s", argv ? argv[0] : "pipe");
- for (i = 1; argv && (i < argc); i++)
- fprintf(output, " %s", argv[i]);
- } else if (_target->pid)
- fprintf(output, "process id \'%s", _target->pid);
- else
- fprintf(output, "thread id \'%s", _target->tid);
-
- fprintf(output, "\'");
- if (config->run_count > 1)
- fprintf(output, " (%d runs)", config->run_count);
- fprintf(output, ":\n\n");
- }
-}
-
-static int get_precision(double num)
-{
- if (num > 1)
- return 0;
-
- return lround(ceil(-log10(num)));
-}
-
-static void print_table(struct perf_stat_config *config,
- FILE *output, int precision, double avg)
-{
- char tmp[64];
- int idx, indent = 0;
-
- scnprintf(tmp, 64, " %17.*f", precision, avg);
- while (tmp[indent] == ' ')
- indent++;
-
- fprintf(output, "%*s# Table of individual measurements:\n", indent, "");
-
- for (idx = 0; idx < config->run_count; idx++) {
- double run = (double) config->walltime_run[idx] / NSEC_PER_SEC;
- int h, n = 1 + abs((int) (100.0 * (run - avg)/run) / 5);
-
- fprintf(output, " %17.*f (%+.*f) ",
- precision, run, precision, run - avg);
-
- for (h = 0; h < n; h++)
- fprintf(output, "#");
-
- fprintf(output, "\n");
- }
-
- fprintf(output, "\n%*s# Final result:\n", indent, "");
-}
-
-static double timeval2double(struct timeval *t)
-{
- return t->tv_sec + (double) t->tv_usec/USEC_PER_SEC;
-}
-
-static void print_footer(struct perf_stat_config *config)
-{
- double avg = avg_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
- FILE *output = config->output;
- int n;
-
- if (!config->null_run)
- fprintf(output, "\n");
-
- if (config->run_count == 1) {
- fprintf(output, " %17.9f seconds time elapsed", avg);
-
- if (config->ru_display) {
- double ru_utime = timeval2double(&config->ru_data.ru_utime);
- double ru_stime = timeval2double(&config->ru_data.ru_stime);
-
- fprintf(output, "\n\n");
- fprintf(output, " %17.9f seconds user\n", ru_utime);
- fprintf(output, " %17.9f seconds sys\n", ru_stime);
- }
- } else {
- double sd = stddev_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
- /*
- * Display at most 2 more significant
- * digits than the stddev inaccuracy.
- */
- int precision = get_precision(sd) + 2;
-
- if (config->walltime_run_table)
- print_table(config, output, precision, avg);
-
- fprintf(output, " %17.*f +- %.*f seconds time elapsed",
- precision, avg, precision, sd);
-
- print_noise_pct(config, sd, avg);
- }
- fprintf(output, "\n\n");
-
- if (config->print_free_counters_hint &&
- sysctl__read_int("kernel/nmi_watchdog", &n) >= 0 &&
- n > 0)
- fprintf(output,
-"Some events weren't counted. Try disabling the NMI watchdog:\n"
-" echo 0 > /proc/sys/kernel/nmi_watchdog\n"
-" perf stat ...\n"
-" echo 1 > /proc/sys/kernel/nmi_watchdog\n");
-
- if (config->print_mixed_hw_group_error)
- fprintf(output,
- "The events in group usually have to be from "
- "the same PMU. Try reorganizing the group.\n");
-}
-
-static void
-perf_evlist__print_counters(struct perf_evlist *evlist,
- struct perf_stat_config *config,
- struct target *_target,
- struct timespec *ts,
- int argc, const char **argv)
-{
- bool metric_only = config->metric_only;
- int interval = config->interval;
- struct perf_evsel *counter;
- char buf[64], *prefix = NULL;
-
- if (interval)
- print_interval(config, evlist, prefix = buf, ts);
- else
- print_header(config, _target, argc, argv);
-
- if (metric_only) {
- static int num_print_iv;
-
- if (num_print_iv == 0 && !interval)
- print_metric_headers(config, evlist, prefix, false);
- if (num_print_iv++ == 25)
- num_print_iv = 0;
- if (config->aggr_mode == AGGR_GLOBAL && prefix)
- fprintf(config->output, "%s", prefix);
- }
-
- switch (config->aggr_mode) {
- case AGGR_CORE:
- case AGGR_SOCKET:
- print_aggr(config, evlist, prefix);
- break;
- case AGGR_THREAD:
- evlist__for_each_entry(evlist, counter) {
- if (is_duration_time(counter))
- continue;
- print_aggr_thread(config, _target, counter, prefix);
- }
- break;
- case AGGR_GLOBAL:
- evlist__for_each_entry(evlist, counter) {
- if (is_duration_time(counter))
- continue;
- print_counter_aggr(config, counter, prefix);
- }
- if (metric_only)
- fputc('\n', config->output);
- break;
- case AGGR_NONE:
- if (metric_only)
- print_no_aggr_metric(config, evlist, prefix);
- else {
- evlist__for_each_entry(evlist, counter) {
- if (is_duration_time(counter))
- continue;
- print_counter(config, counter, prefix);
- }
- }
- break;
- case AGGR_UNSET:
- default:
- break;
- }
-
- if (!interval && !config->csv_output)
- print_footer(config);
-
- fflush(config->output);
-}
-
static void print_counters(struct timespec *ts, int argc, const char **argv)
{
/* Do not print anything if we record to the pipe. */
diff --git a/tools/perf/util/Build b/tools/perf/util/Build
index 7efe15b9618d..ecd9f9ceda77 100644
--- a/tools/perf/util/Build
+++ b/tools/perf/util/Build
@@ -73,6 +73,7 @@ libperf-y += vdso.o
libperf-y += counts.o
libperf-y += stat.o
libperf-y += stat-shadow.o
+libperf-y += stat-display.o
libperf-y += record.o
libperf-y += srcline.o
libperf-y += data.o
diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
new file mode 100644
index 000000000000..e7b4c44ebb62
--- /dev/null
+++ b/tools/perf/util/stat-display.c
@@ -0,0 +1,1166 @@
+#include <stdio.h>
+#include <inttypes.h>
+#include <linux/time64.h>
+#include <math.h>
+#include "evlist.h"
+#include "evsel.h"
+#include "stat.h"
+#include "top.h"
+#include "thread_map.h"
+#include "cpumap.h"
+#include "string2.h"
+#include "sane_ctype.h"
+#include "cgroup.h"
+#include <math.h>
+#include <api/fs/fs.h>
+
+#define CNTR_NOT_SUPPORTED "<not supported>"
+#define CNTR_NOT_COUNTED "<not counted>"
+
+static bool is_duration_time(struct perf_evsel *evsel)
+{
+ return !strcmp(evsel->name, "duration_time");
+}
+
+static void print_running(struct perf_stat_config *config,
+ u64 run, u64 ena)
+{
+ if (config->csv_output) {
+ fprintf(config->output, "%s%" PRIu64 "%s%.2f",
+ config->csv_sep,
+ run,
+ config->csv_sep,
+ ena ? 100.0 * run / ena : 100.0);
+ } else if (run != ena) {
+ fprintf(config->output, " (%.2f%%)", 100.0 * run / ena);
+ }
+}
+
+static void print_noise_pct(struct perf_stat_config *config,
+ double total, double avg)
+{
+ double pct = rel_stddev_stats(total, avg);
+
+ if (config->csv_output)
+ fprintf(config->output, "%s%.2f%%", config->csv_sep, pct);
+ else if (pct)
+ fprintf(config->output, " ( +-%6.2f%% )", pct);
+}
+
+static void print_noise(struct perf_stat_config *config,
+ struct perf_evsel *evsel, double avg)
+{
+ struct perf_stat_evsel *ps;
+
+ if (config->run_count == 1)
+ return;
+
+ ps = evsel->stats;
+ print_noise_pct(config, stddev_stats(&ps->res_stats[0]), avg);
+}
+
+static void aggr_printout(struct perf_stat_config *config,
+ struct perf_evsel *evsel, int id, int nr)
+{
+ switch (config->aggr_mode) {
+ case AGGR_CORE:
+ fprintf(config->output, "S%d-C%*d%s%*d%s",
+ cpu_map__id_to_socket(id),
+ config->csv_output ? 0 : -8,
+ cpu_map__id_to_cpu(id),
+ config->csv_sep,
+ config->csv_output ? 0 : 4,
+ nr,
+ config->csv_sep);
+ break;
+ case AGGR_SOCKET:
+ fprintf(config->output, "S%*d%s%*d%s",
+ config->csv_output ? 0 : -5,
+ id,
+ config->csv_sep,
+ config->csv_output ? 0 : 4,
+ nr,
+ config->csv_sep);
+ break;
+ case AGGR_NONE:
+ fprintf(config->output, "CPU%*d%s",
+ config->csv_output ? 0 : -4,
+ perf_evsel__cpus(evsel)->map[id], config->csv_sep);
+ break;
+ case AGGR_THREAD:
+ fprintf(config->output, "%*s-%*d%s",
+ config->csv_output ? 0 : 16,
+ thread_map__comm(evsel->threads, id),
+ config->csv_output ? 0 : -8,
+ thread_map__pid(evsel->threads, id),
+ config->csv_sep);
+ break;
+ case AGGR_GLOBAL:
+ case AGGR_UNSET:
+ default:
+ break;
+ }
+}
+
+struct outstate {
+ FILE *fh;
+ bool newline;
+ const char *prefix;
+ int nfields;
+ int id, nr;
+ struct perf_evsel *evsel;
+};
+
+#define METRIC_LEN 35
+
+static void new_line_std(struct perf_stat_config *config __maybe_unused,
+ void *ctx)
+{
+ struct outstate *os = ctx;
+
+ os->newline = true;
+}
+
+static void do_new_line_std(struct perf_stat_config *config,
+ struct outstate *os)
+{
+ fputc('\n', os->fh);
+ fputs(os->prefix, os->fh);
+ aggr_printout(config, os->evsel, os->id, os->nr);
+ if (config->aggr_mode == AGGR_NONE)
+ fprintf(os->fh, " ");
+ fprintf(os->fh, " ");
+}
+
+static void print_metric_std(struct perf_stat_config *config,
+ void *ctx, const char *color, const char *fmt,
+ const char *unit, double val)
+{
+ struct outstate *os = ctx;
+ FILE *out = os->fh;
+ int n;
+ bool newline = os->newline;
+
+ os->newline = false;
+
+ if (unit == NULL || fmt == NULL) {
+ fprintf(out, "%-*s", METRIC_LEN, "");
+ return;
+ }
+
+ if (newline)
+ do_new_line_std(config, os);
+
+ n = fprintf(out, " # ");
+ if (color)
+ n += color_fprintf(out, color, fmt, val);
+ else
+ n += fprintf(out, fmt, val);
+ fprintf(out, " %-*s", METRIC_LEN - n - 1, unit);
+}
+
+static void new_line_csv(struct perf_stat_config *config, void *ctx)
+{
+ struct outstate *os = ctx;
+ int i;
+
+ fputc('\n', os->fh);
+ if (os->prefix)
+ fprintf(os->fh, "%s%s", os->prefix, config->csv_sep);
+ aggr_printout(config, os->evsel, os->id, os->nr);
+ for (i = 0; i < os->nfields; i++)
+ fputs(config->csv_sep, os->fh);
+}
+
+static void print_metric_csv(struct perf_stat_config *config __maybe_unused,
+ void *ctx,
+ const char *color __maybe_unused,
+ const char *fmt, const char *unit, double val)
+{
+ struct outstate *os = ctx;
+ FILE *out = os->fh;
+ char buf[64], *vals, *ends;
+
+ if (unit == NULL || fmt == NULL) {
+ fprintf(out, "%s%s", config->csv_sep, config->csv_sep);
+ return;
+ }
+ snprintf(buf, sizeof(buf), fmt, val);
+ ends = vals = ltrim(buf);
+ while (isdigit(*ends) || *ends == '.')
+ ends++;
+ *ends = 0;
+ while (isspace(*unit))
+ unit++;
+ fprintf(out, "%s%s%s%s", config->csv_sep, vals, config->csv_sep, unit);
+}
+
+/* Filter out some columns that don't work well in metrics only mode */
+
+static bool valid_only_metric(const char *unit)
+{
+ if (!unit)
+ return false;
+ if (strstr(unit, "/sec") ||
+ strstr(unit, "hz") ||
+ strstr(unit, "Hz") ||
+ strstr(unit, "CPUs utilized"))
+ return false;
+ return true;
+}
+
+static const char *fixunit(char *buf, struct perf_evsel *evsel,
+ const char *unit)
+{
+ if (!strncmp(unit, "of all", 6)) {
+ snprintf(buf, 1024, "%s %s", perf_evsel__name(evsel),
+ unit);
+ return buf;
+ }
+ return unit;
+}
+
+static void print_metric_only(struct perf_stat_config *config,
+ void *ctx, const char *color, const char *fmt,
+ const char *unit, double val)
+{
+ struct outstate *os = ctx;
+ FILE *out = os->fh;
+ char buf[1024], str[1024];
+ unsigned mlen = config->metric_only_len;
+
+ if (!valid_only_metric(unit))
+ return;
+ unit = fixunit(buf, os->evsel, unit);
+ if (mlen < strlen(unit))
+ mlen = strlen(unit) + 1;
+
+ if (color)
+ mlen += strlen(color) + sizeof(PERF_COLOR_RESET) - 1;
+
+ color_snprintf(str, sizeof(str), color ?: "", fmt, val);
+ fprintf(out, "%*s ", mlen, str);
+}
+
+static void print_metric_only_csv(struct perf_stat_config *config __maybe_unused,
+ void *ctx, const char *color __maybe_unused,
+ const char *fmt,
+ const char *unit, double val)
+{
+ struct outstate *os = ctx;
+ FILE *out = os->fh;
+ char buf[64], *vals, *ends;
+ char tbuf[1024];
+
+ if (!valid_only_metric(unit))
+ return;
+ unit = fixunit(tbuf, os->evsel, unit);
+ snprintf(buf, sizeof buf, fmt, val);
+ ends = vals = ltrim(buf);
+ while (isdigit(*ends) || *ends == '.')
+ ends++;
+ *ends = 0;
+ fprintf(out, "%s%s", vals, config->csv_sep);
+}
+
+static void new_line_metric(struct perf_stat_config *config __maybe_unused,
+ void *ctx __maybe_unused)
+{
+}
+
+static void print_metric_header(struct perf_stat_config *config,
+ void *ctx, const char *color __maybe_unused,
+ const char *fmt __maybe_unused,
+ const char *unit, double val __maybe_unused)
+{
+ struct outstate *os = ctx;
+ char tbuf[1024];
+
+ if (!valid_only_metric(unit))
+ return;
+ unit = fixunit(tbuf, os->evsel, unit);
+ if (config->csv_output)
+ fprintf(os->fh, "%s%s", unit, config->csv_sep);
+ else
+ fprintf(os->fh, "%*s ", config->metric_only_len, unit);
+}
+
+static int first_shadow_cpu(struct perf_stat_config *config,
+ struct perf_evsel *evsel, int id)
+{
+ struct perf_evlist *evlist = evsel->evlist;
+ int i;
+
+ if (!config->aggr_get_id)
+ return 0;
+
+ if (config->aggr_mode == AGGR_NONE)
+ return id;
+
+ if (config->aggr_mode == AGGR_GLOBAL)
+ return 0;
+
+ for (i = 0; i < perf_evsel__nr_cpus(evsel); i++) {
+ int cpu2 = perf_evsel__cpus(evsel)->map[i];
+
+ if (config->aggr_get_id(config, evlist->cpus, cpu2) == id)
+ return cpu2;
+ }
+ return 0;
+}
+
+static void abs_printout(struct perf_stat_config *config,
+ int id, int nr, struct perf_evsel *evsel, double avg)
+{
+ FILE *output = config->output;
+ double sc = evsel->scale;
+ const char *fmt;
+
+ if (config->csv_output) {
+ fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s";
+ } else {
+ if (config->big_num)
+ fmt = floor(sc) != sc ? "%'18.2f%s" : "%'18.0f%s";
+ else
+ fmt = floor(sc) != sc ? "%18.2f%s" : "%18.0f%s";
+ }
+
+ aggr_printout(config, evsel, id, nr);
+
+ fprintf(output, fmt, avg, config->csv_sep);
+
+ if (evsel->unit)
+ fprintf(output, "%-*s%s",
+ config->csv_output ? 0 : config->unit_width,
+ evsel->unit, config->csv_sep);
+
+ fprintf(output, "%-*s", config->csv_output ? 0 : 25, perf_evsel__name(evsel));
+
+ if (evsel->cgrp)
+ fprintf(output, "%s%s", config->csv_sep, evsel->cgrp->name);
+}
+
+static bool is_mixed_hw_group(struct perf_evsel *counter)
+{
+ struct perf_evlist *evlist = counter->evlist;
+ u32 pmu_type = counter->attr.type;
+ struct perf_evsel *pos;
+
+ if (counter->nr_members < 2)
+ return false;
+
+ evlist__for_each_entry(evlist, pos) {
+ /* software events can be part of any hardware group */
+ if (pos->attr.type == PERF_TYPE_SOFTWARE)
+ continue;
+ if (pmu_type == PERF_TYPE_SOFTWARE) {
+ pmu_type = pos->attr.type;
+ continue;
+ }
+ if (pmu_type != pos->attr.type)
+ return true;
+ }
+
+ return false;
+}
+
+static void printout(struct perf_stat_config *config, int id, int nr,
+ struct perf_evsel *counter, double uval,
+ char *prefix, u64 run, u64 ena, double noise,
+ struct runtime_stat *st)
+{
+ struct perf_stat_output_ctx out;
+ struct outstate os = {
+ .fh = config->output,
+ .prefix = prefix ? prefix : "",
+ .id = id,
+ .nr = nr,
+ .evsel = counter,
+ };
+ print_metric_t pm = print_metric_std;
+ new_line_t nl;
+
+ if (config->metric_only) {
+ nl = new_line_metric;
+ if (config->csv_output)
+ pm = print_metric_only_csv;
+ else
+ pm = print_metric_only;
+ } else
+ nl = new_line_std;
+
+ if (config->csv_output && !config->metric_only) {
+ static int aggr_fields[] = {
+ [AGGR_GLOBAL] = 0,
+ [AGGR_THREAD] = 1,
+ [AGGR_NONE] = 1,
+ [AGGR_SOCKET] = 2,
+ [AGGR_CORE] = 2,
+ };
+
+ pm = print_metric_csv;
+ nl = new_line_csv;
+ os.nfields = 3;
+ os.nfields += aggr_fields[config->aggr_mode];
+ if (counter->cgrp)
+ os.nfields++;
+ }
+ if (run == 0 || ena == 0 || counter->counts->scaled == -1) {
+ if (config->metric_only) {
+ pm(config, &os, NULL, "", "", 0);
+ return;
+ }
+ aggr_printout(config, counter, id, nr);
+
+ fprintf(config->output, "%*s%s",
+ config->csv_output ? 0 : 18,
+ counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
+ config->csv_sep);
+
+ if (counter->supported) {
+ config->print_free_counters_hint = 1;
+ if (is_mixed_hw_group(counter))
+ config->print_mixed_hw_group_error = 1;
+ }
+
+ fprintf(config->output, "%-*s%s",
+ config->csv_output ? 0 : config->unit_width,
+ counter->unit, config->csv_sep);
+
+ fprintf(config->output, "%*s",
+ config->csv_output ? 0 : -25,
+ perf_evsel__name(counter));
+
+ if (counter->cgrp)
+ fprintf(config->output, "%s%s",
+ config->csv_sep, counter->cgrp->name);
+
+ if (!config->csv_output)
+ pm(config, &os, NULL, NULL, "", 0);
+ print_noise(config, counter, noise);
+ print_running(config, run, ena);
+ if (config->csv_output)
+ pm(config, &os, NULL, NULL, "", 0);
+ return;
+ }
+
+ if (!config->metric_only)
+ abs_printout(config, id, nr, counter, uval);
+
+ out.print_metric = pm;
+ out.new_line = nl;
+ out.ctx = &os;
+ out.force_header = false;
+
+ if (config->csv_output && !config->metric_only) {
+ print_noise(config, counter, noise);
+ print_running(config, run, ena);
+ }
+
+ perf_stat__print_shadow_stats(config, counter, uval,
+ first_shadow_cpu(config, counter, id),
+ &out, &config->metric_events, st);
+ if (!config->csv_output && !config->metric_only) {
+ print_noise(config, counter, noise);
+ print_running(config, run, ena);
+ }
+}
+
+static void aggr_update_shadow(struct perf_stat_config *config,
+ struct perf_evlist *evlist)
+{
+ int cpu, s2, id, s;
+ u64 val;
+ struct perf_evsel *counter;
+
+ for (s = 0; s < config->aggr_map->nr; s++) {
+ id = config->aggr_map->map[s];
+ evlist__for_each_entry(evlist, counter) {
+ val = 0;
+ for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
+ s2 = config->aggr_get_id(config, evlist->cpus, cpu);
+ if (s2 != id)
+ continue;
+ val += perf_counts(counter->counts, cpu, 0)->val;
+ }
+ perf_stat__update_shadow_stats(counter, val,
+ first_shadow_cpu(config, counter, id),
+ &rt_stat);
+ }
+ }
+}
+
+static void uniquify_event_name(struct perf_evsel *counter)
+{
+ char *new_name;
+ char *config;
+
+ if (counter->uniquified_name ||
+ !counter->pmu_name || !strncmp(counter->name, counter->pmu_name,
+ strlen(counter->pmu_name)))
+ return;
+
+ config = strchr(counter->name, '/');
+ if (config) {
+ if (asprintf(&new_name,
+ "%s%s", counter->pmu_name, config) > 0) {
+ free(counter->name);
+ counter->name = new_name;
+ }
+ } else {
+ if (asprintf(&new_name,
+ "%s [%s]", counter->name, counter->pmu_name) > 0) {
+ free(counter->name);
+ counter->name = new_name;
+ }
+ }
+
+ counter->uniquified_name = true;
+}
+
+static void collect_all_aliases(struct perf_stat_config *config, struct perf_evsel *counter,
+ void (*cb)(struct perf_stat_config *config, struct perf_evsel *counter, void *data,
+ bool first),
+ void *data)
+{
+ struct perf_evlist *evlist = counter->evlist;
+ struct perf_evsel *alias;
+
+ alias = list_prepare_entry(counter, &(evlist->entries), node);
+ list_for_each_entry_continue (alias, &evlist->entries, node) {
+ if (strcmp(perf_evsel__name(alias), perf_evsel__name(counter)) ||
+ alias->scale != counter->scale ||
+ alias->cgrp != counter->cgrp ||
+ strcmp(alias->unit, counter->unit) ||
+ perf_evsel__is_clock(alias) != perf_evsel__is_clock(counter))
+ break;
+ alias->merged_stat = true;
+ cb(config, alias, data, false);
+ }
+}
+
+static bool collect_data(struct perf_stat_config *config, struct perf_evsel *counter,
+ void (*cb)(struct perf_stat_config *config, struct perf_evsel *counter, void *data,
+ bool first),
+ void *data)
+{
+ if (counter->merged_stat)
+ return false;
+ cb(config, counter, data, true);
+ if (config->no_merge)
+ uniquify_event_name(counter);
+ else if (counter->auto_merge_stats)
+ collect_all_aliases(config, counter, cb, data);
+ return true;
+}
+
+struct aggr_data {
+ u64 ena, run, val;
+ int id;
+ int nr;
+ int cpu;
+};
+
+static void aggr_cb(struct perf_stat_config *config,
+ struct perf_evsel *counter, void *data, bool first)
+{
+ struct aggr_data *ad = data;
+ int cpu, s2;
+
+ for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
+ struct perf_counts_values *counts;
+
+ s2 = config->aggr_get_id(config, perf_evsel__cpus(counter), cpu);
+ if (s2 != ad->id)
+ continue;
+ if (first)
+ ad->nr++;
+ counts = perf_counts(counter->counts, cpu, 0);
+ /*
+ * When any result is bad, make them all to give
+ * consistent output in interval mode.
+ */
+ if (counts->ena == 0 || counts->run == 0 ||
+ counter->counts->scaled == -1) {
+ ad->ena = 0;
+ ad->run = 0;
+ break;
+ }
+ ad->val += counts->val;
+ ad->ena += counts->ena;
+ ad->run += counts->run;
+ }
+}
+
+static void print_aggr(struct perf_stat_config *config,
+ struct perf_evlist *evlist,
+ char *prefix)
+{
+ bool metric_only = config->metric_only;
+ FILE *output = config->output;
+ struct perf_evsel *counter;
+ int s, id, nr;
+ double uval;
+ u64 ena, run, val;
+ bool first;
+
+ if (!(config->aggr_map || config->aggr_get_id))
+ return;
+
+ aggr_update_shadow(config, evlist);
+
+ /*
+ * With metric_only everything is on a single line.
+ * Without each counter has its own line.
+ */
+ for (s = 0; s < config->aggr_map->nr; s++) {
+ struct aggr_data ad;
+ if (prefix && metric_only)
+ fprintf(output, "%s", prefix);
+
+ ad.id = id = config->aggr_map->map[s];
+ first = true;
+ evlist__for_each_entry(evlist, counter) {
+ if (is_duration_time(counter))
+ continue;
+
+ ad.val = ad.ena = ad.run = 0;
+ ad.nr = 0;
+ if (!collect_data(config, counter, aggr_cb, &ad))
+ continue;
+ nr = ad.nr;
+ ena = ad.ena;
+ run = ad.run;
+ val = ad.val;
+ if (first && metric_only) {
+ first = false;
+ aggr_printout(config, counter, id, nr);
+ }
+ if (prefix && !metric_only)
+ fprintf(output, "%s", prefix);
+
+ uval = val * counter->scale;
+ printout(config, id, nr, counter, uval, prefix,
+ run, ena, 1.0, &rt_stat);
+ if (!metric_only)
+ fputc('\n', output);
+ }
+ if (metric_only)
+ fputc('\n', output);
+ }
+}
+
+static int cmp_val(const void *a, const void *b)
+{
+ return ((struct perf_aggr_thread_value *)b)->val -
+ ((struct perf_aggr_thread_value *)a)->val;
+}
+
+static struct perf_aggr_thread_value *sort_aggr_thread(
+ struct perf_evsel *counter,
+ int nthreads, int ncpus,
+ int *ret,
+ struct target *_target)
+{
+ int cpu, thread, i = 0;
+ double uval;
+ struct perf_aggr_thread_value *buf;
+
+ buf = calloc(nthreads, sizeof(struct perf_aggr_thread_value));
+ if (!buf)
+ return NULL;
+
+ for (thread = 0; thread < nthreads; thread++) {
+ u64 ena = 0, run = 0, val = 0;
+
+ for (cpu = 0; cpu < ncpus; cpu++) {
+ val += perf_counts(counter->counts, cpu, thread)->val;
+ ena += perf_counts(counter->counts, cpu, thread)->ena;
+ run += perf_counts(counter->counts, cpu, thread)->run;
+ }
+
+ uval = val * counter->scale;
+
+ /*
+ * Skip value 0 when enabling --per-thread globally,
+ * otherwise too many 0 output.
+ */
+ if (uval == 0.0 && target__has_per_thread(_target))
+ continue;
+
+ buf[i].counter = counter;
+ buf[i].id = thread;
+ buf[i].uval = uval;
+ buf[i].val = val;
+ buf[i].run = run;
+ buf[i].ena = ena;
+ i++;
+ }
+
+ qsort(buf, i, sizeof(struct perf_aggr_thread_value), cmp_val);
+
+ if (ret)
+ *ret = i;
+
+ return buf;
+}
+
+static void print_aggr_thread(struct perf_stat_config *config,
+ struct target *_target,
+ struct perf_evsel *counter, char *prefix)
+{
+ FILE *output = config->output;
+ int nthreads = thread_map__nr(counter->threads);
+ int ncpus = cpu_map__nr(counter->cpus);
+ int thread, sorted_threads, id;
+ struct perf_aggr_thread_value *buf;
+
+ buf = sort_aggr_thread(counter, nthreads, ncpus, &sorted_threads, _target);
+ if (!buf) {
+ perror("cannot sort aggr thread");
+ return;
+ }
+
+ for (thread = 0; thread < sorted_threads; thread++) {
+ if (prefix)
+ fprintf(output, "%s", prefix);
+
+ id = buf[thread].id;
+ if (config->stats)
+ printout(config, id, 0, buf[thread].counter, buf[thread].uval,
+ prefix, buf[thread].run, buf[thread].ena, 1.0,
+ &config->stats[id]);
+ else
+ printout(config, id, 0, buf[thread].counter, buf[thread].uval,
+ prefix, buf[thread].run, buf[thread].ena, 1.0,
+ &rt_stat);
+ fputc('\n', output);
+ }
+
+ free(buf);
+}
+
+struct caggr_data {
+ double avg, avg_enabled, avg_running;
+};
+
+static void counter_aggr_cb(struct perf_stat_config *config __maybe_unused,
+ struct perf_evsel *counter, void *data,
+ bool first __maybe_unused)
+{
+ struct caggr_data *cd = data;
+ struct perf_stat_evsel *ps = counter->stats;
+
+ cd->avg += avg_stats(&ps->res_stats[0]);
+ cd->avg_enabled += avg_stats(&ps->res_stats[1]);
+ cd->avg_running += avg_stats(&ps->res_stats[2]);
+}
+
+/*
+ * Print out the results of a single counter:
+ * aggregated counts in system-wide mode
+ */
+static void print_counter_aggr(struct perf_stat_config *config,
+ struct perf_evsel *counter, char *prefix)
+{
+ bool metric_only = config->metric_only;
+ FILE *output = config->output;
+ double uval;
+ struct caggr_data cd = { .avg = 0.0 };
+
+ if (!collect_data(config, counter, counter_aggr_cb, &cd))
+ return;
+
+ if (prefix && !metric_only)
+ fprintf(output, "%s", prefix);
+
+ uval = cd.avg * counter->scale;
+ printout(config, -1, 0, counter, uval, prefix, cd.avg_running, cd.avg_enabled,
+ cd.avg, &rt_stat);
+ if (!metric_only)
+ fprintf(output, "\n");
+}
+
+static void counter_cb(struct perf_stat_config *config __maybe_unused,
+ struct perf_evsel *counter, void *data,
+ bool first __maybe_unused)
+{
+ struct aggr_data *ad = data;
+
+ ad->val += perf_counts(counter->counts, ad->cpu, 0)->val;
+ ad->ena += perf_counts(counter->counts, ad->cpu, 0)->ena;
+ ad->run += perf_counts(counter->counts, ad->cpu, 0)->run;
+}
+
+/*
+ * Print out the results of a single counter:
+ * does not use aggregated count in system-wide
+ */
+static void print_counter(struct perf_stat_config *config,
+ struct perf_evsel *counter, char *prefix)
+{
+ FILE *output = config->output;
+ u64 ena, run, val;
+ double uval;
+ int cpu;
+
+ for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
+ struct aggr_data ad = { .cpu = cpu };
+
+ if (!collect_data(config, counter, counter_cb, &ad))
+ return;
+ val = ad.val;
+ ena = ad.ena;
+ run = ad.run;
+
+ if (prefix)
+ fprintf(output, "%s", prefix);
+
+ uval = val * counter->scale;
+ printout(config, cpu, 0, counter, uval, prefix, run, ena, 1.0,
+ &rt_stat);
+
+ fputc('\n', output);
+ }
+}
+
+static void print_no_aggr_metric(struct perf_stat_config *config,
+ struct perf_evlist *evlist,
+ char *prefix)
+{
+ int cpu;
+ int nrcpus = 0;
+ struct perf_evsel *counter;
+ u64 ena, run, val;
+ double uval;
+
+ nrcpus = evlist->cpus->nr;
+ for (cpu = 0; cpu < nrcpus; cpu++) {
+ bool first = true;
+
+ if (prefix)
+ fputs(prefix, config->output);
+ evlist__for_each_entry(evlist, counter) {
+ if (is_duration_time(counter))
+ continue;
+ if (first) {
+ aggr_printout(config, counter, cpu, 0);
+ first = false;
+ }
+ val = perf_counts(counter->counts, cpu, 0)->val;
+ ena = perf_counts(counter->counts, cpu, 0)->ena;
+ run = perf_counts(counter->counts, cpu, 0)->run;
+
+ uval = val * counter->scale;
+ printout(config, cpu, 0, counter, uval, prefix, run, ena, 1.0,
+ &rt_stat);
+ }
+ fputc('\n', config->output);
+ }
+}
+
+static int aggr_header_lens[] = {
+ [AGGR_CORE] = 18,
+ [AGGR_SOCKET] = 12,
+ [AGGR_NONE] = 6,
+ [AGGR_THREAD] = 24,
+ [AGGR_GLOBAL] = 0,
+};
+
+static const char *aggr_header_csv[] = {
+ [AGGR_CORE] = "core,cpus,",
+ [AGGR_SOCKET] = "socket,cpus",
+ [AGGR_NONE] = "cpu,",
+ [AGGR_THREAD] = "comm-pid,",
+ [AGGR_GLOBAL] = ""
+};
+
+static void print_metric_headers(struct perf_stat_config *config,
+ struct perf_evlist *evlist,
+ const char *prefix, bool no_indent)
+{
+ struct perf_stat_output_ctx out;
+ struct perf_evsel *counter;
+ struct outstate os = {
+ .fh = config->output
+ };
+
+ if (prefix)
+ fprintf(config->output, "%s", prefix);
+
+ if (!config->csv_output && !no_indent)
+ fprintf(config->output, "%*s",
+ aggr_header_lens[config->aggr_mode], "");
+ if (config->csv_output) {
+ if (config->interval)
+ fputs("time,", config->output);
+ fputs(aggr_header_csv[config->aggr_mode], config->output);
+ }
+
+ /* Print metrics headers only */
+ evlist__for_each_entry(evlist, counter) {
+ if (is_duration_time(counter))
+ continue;
+ os.evsel = counter;
+ out.ctx = &os;
+ out.print_metric = print_metric_header;
+ out.new_line = new_line_metric;
+ out.force_header = true;
+ os.evsel = counter;
+ perf_stat__print_shadow_stats(config, counter, 0,
+ 0,
+ &out,
+ &config->metric_events,
+ &rt_stat);
+ }
+ fputc('\n', config->output);
+}
+
+static void print_interval(struct perf_stat_config *config,
+ struct perf_evlist *evlist,
+ char *prefix, struct timespec *ts)
+{
+ bool metric_only = config->metric_only;
+ unsigned int unit_width = config->unit_width;
+ FILE *output = config->output;
+ static int num_print_interval;
+
+ if (config->interval_clear)
+ puts(CONSOLE_CLEAR);
+
+ sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, config->csv_sep);
+
+ if ((num_print_interval == 0 && !config->csv_output) || config->interval_clear) {
+ switch (config->aggr_mode) {
+ case AGGR_SOCKET:
+ fprintf(output, "# time socket cpus");
+ if (!metric_only)
+ fprintf(output, " counts %*s events\n", unit_width, "unit");
+ break;
+ case AGGR_CORE:
+ fprintf(output, "# time core cpus");
+ if (!metric_only)
+ fprintf(output, " counts %*s events\n", unit_width, "unit");
+ break;
+ case AGGR_NONE:
+ fprintf(output, "# time CPU ");
+ if (!metric_only)
+ fprintf(output, " counts %*s events\n", unit_width, "unit");
+ break;
+ case AGGR_THREAD:
+ fprintf(output, "# time comm-pid");
+ if (!metric_only)
+ fprintf(output, " counts %*s events\n", unit_width, "unit");
+ break;
+ case AGGR_GLOBAL:
+ default:
+ fprintf(output, "# time");
+ if (!metric_only)
+ fprintf(output, " counts %*s events\n", unit_width, "unit");
+ case AGGR_UNSET:
+ break;
+ }
+ }
+
+ if ((num_print_interval == 0 || config->interval_clear) && metric_only)
+ print_metric_headers(config, evlist, " ", true);
+ if (++num_print_interval == 25)
+ num_print_interval = 0;
+}
+
+static void print_header(struct perf_stat_config *config,
+ struct target *_target,
+ int argc, const char **argv)
+{
+ FILE *output = config->output;
+ int i;
+
+ fflush(stdout);
+
+ if (!config->csv_output) {
+ fprintf(output, "\n");
+ fprintf(output, " Performance counter stats for ");
+ if (_target->system_wide)
+ fprintf(output, "\'system wide");
+ else if (_target->cpu_list)
+ fprintf(output, "\'CPU(s) %s", _target->cpu_list);
+ else if (!target__has_task(_target)) {
+ fprintf(output, "\'%s", argv ? argv[0] : "pipe");
+ for (i = 1; argv && (i < argc); i++)
+ fprintf(output, " %s", argv[i]);
+ } else if (_target->pid)
+ fprintf(output, "process id \'%s", _target->pid);
+ else
+ fprintf(output, "thread id \'%s", _target->tid);
+
+ fprintf(output, "\'");
+ if (config->run_count > 1)
+ fprintf(output, " (%d runs)", config->run_count);
+ fprintf(output, ":\n\n");
+ }
+}
+
+static int get_precision(double num)
+{
+ if (num > 1)
+ return 0;
+
+ return lround(ceil(-log10(num)));
+}
+
+static void print_table(struct perf_stat_config *config,
+ FILE *output, int precision, double avg)
+{
+ char tmp[64];
+ int idx, indent = 0;
+
+ scnprintf(tmp, 64, " %17.*f", precision, avg);
+ while (tmp[indent] == ' ')
+ indent++;
+
+ fprintf(output, "%*s# Table of individual measurements:\n", indent, "");
+
+ for (idx = 0; idx < config->run_count; idx++) {
+ double run = (double) config->walltime_run[idx] / NSEC_PER_SEC;
+ int h, n = 1 + abs((int) (100.0 * (run - avg)/run) / 5);
+
+ fprintf(output, " %17.*f (%+.*f) ",
+ precision, run, precision, run - avg);
+
+ for (h = 0; h < n; h++)
+ fprintf(output, "#");
+
+ fprintf(output, "\n");
+ }
+
+ fprintf(output, "\n%*s# Final result:\n", indent, "");
+}
+
+static double timeval2double(struct timeval *t)
+{
+ return t->tv_sec + (double) t->tv_usec/USEC_PER_SEC;
+}
+
+static void print_footer(struct perf_stat_config *config)
+{
+ double avg = avg_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
+ FILE *output = config->output;
+ int n;
+
+ if (!config->null_run)
+ fprintf(output, "\n");
+
+ if (config->run_count == 1) {
+ fprintf(output, " %17.9f seconds time elapsed", avg);
+
+ if (config->ru_display) {
+ double ru_utime = timeval2double(&config->ru_data.ru_utime);
+ double ru_stime = timeval2double(&config->ru_data.ru_stime);
+
+ fprintf(output, "\n\n");
+ fprintf(output, " %17.9f seconds user\n", ru_utime);
+ fprintf(output, " %17.9f seconds sys\n", ru_stime);
+ }
+ } else {
+ double sd = stddev_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
+ /*
+ * Display at most 2 more significant
+ * digits than the stddev inaccuracy.
+ */
+ int precision = get_precision(sd) + 2;
+
+ if (config->walltime_run_table)
+ print_table(config, output, precision, avg);
+
+ fprintf(output, " %17.*f +- %.*f seconds time elapsed",
+ precision, avg, precision, sd);
+
+ print_noise_pct(config, sd, avg);
+ }
+ fprintf(output, "\n\n");
+
+ if (config->print_free_counters_hint &&
+ sysctl__read_int("kernel/nmi_watchdog", &n) >= 0 &&
+ n > 0)
+ fprintf(output,
+"Some events weren't counted. Try disabling the NMI watchdog:\n"
+" echo 0 > /proc/sys/kernel/nmi_watchdog\n"
+" perf stat ...\n"
+" echo 1 > /proc/sys/kernel/nmi_watchdog\n");
+
+ if (config->print_mixed_hw_group_error)
+ fprintf(output,
+ "The events in group usually have to be from "
+ "the same PMU. Try reorganizing the group.\n");
+}
+
+void
+perf_evlist__print_counters(struct perf_evlist *evlist,
+ struct perf_stat_config *config,
+ struct target *_target,
+ struct timespec *ts,
+ int argc, const char **argv)
+{
+ bool metric_only = config->metric_only;
+ int interval = config->interval;
+ struct perf_evsel *counter;
+ char buf[64], *prefix = NULL;
+
+ if (interval)
+ print_interval(config, evlist, prefix = buf, ts);
+ else
+ print_header(config, _target, argc, argv);
+
+ if (metric_only) {
+ static int num_print_iv;
+
+ if (num_print_iv == 0 && !interval)
+ print_metric_headers(config, evlist, prefix, false);
+ if (num_print_iv++ == 25)
+ num_print_iv = 0;
+ if (config->aggr_mode == AGGR_GLOBAL && prefix)
+ fprintf(config->output, "%s", prefix);
+ }
+
+ switch (config->aggr_mode) {
+ case AGGR_CORE:
+ case AGGR_SOCKET:
+ print_aggr(config, evlist, prefix);
+ break;
+ case AGGR_THREAD:
+ evlist__for_each_entry(evlist, counter) {
+ if (is_duration_time(counter))
+ continue;
+ print_aggr_thread(config, _target, counter, prefix);
+ }
+ break;
+ case AGGR_GLOBAL:
+ evlist__for_each_entry(evlist, counter) {
+ if (is_duration_time(counter))
+ continue;
+ print_counter_aggr(config, counter, prefix);
+ }
+ if (metric_only)
+ fputc('\n', config->output);
+ break;
+ case AGGR_NONE:
+ if (metric_only)
+ print_no_aggr_metric(config, evlist, prefix);
+ else {
+ evlist__for_each_entry(evlist, counter) {
+ if (is_duration_time(counter))
+ continue;
+ print_counter(config, counter, prefix);
+ }
+ }
+ break;
+ case AGGR_UNSET:
+ default:
+ break;
+ }
+
+ if (!interval && !config->csv_output)
+ print_footer(config);
+
+ fflush(config->output);
+}
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 8d3354e21e19..3a13a6dc5a62 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -215,4 +215,10 @@ int perf_stat_synthesize_config(struct perf_stat_config *config,
struct perf_evlist *evlist,
perf_event__handler_t process,
bool attrs);
+void
+perf_evlist__print_counters(struct perf_evlist *evlist,
+ struct perf_stat_config *config,
+ struct target *_target,
+ struct timespec *ts,
+ int argc, const char **argv);
#endif
--
2.14.4