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-rw-r--r--tools/perf/util/stat-display.c1515
1 files changed, 1515 insertions, 0 deletions
diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
new file mode 100644
index 000000000..bc866d189
--- /dev/null
+++ b/tools/perf/util/stat-display.c
@@ -0,0 +1,1515 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <inttypes.h>
+#include <linux/string.h>
+#include <linux/time64.h>
+#include <math.h>
+#include <perf/cpumap.h>
+#include "color.h"
+#include "counts.h"
+#include "evlist.h"
+#include "evsel.h"
+#include "stat.h"
+#include "top.h"
+#include "thread_map.h"
+#include "cpumap.h"
+#include "string2.h"
+#include <linux/ctype.h>
+#include "cgroup.h"
+#include <api/fs/fs.h>
+#include "util.h"
+#include "iostat.h"
+#include "pmu-hybrid.h"
+#include "evlist-hybrid.h"
+
+#define CNTR_NOT_SUPPORTED "<not supported>"
+#define CNTR_NOT_COUNTED "<not counted>"
+
+static void print_running(struct perf_stat_config *config,
+ u64 run, u64 ena)
+{
+
+ double enabled_percent = 100;
+
+ if (run != ena)
+ enabled_percent = 100 * run / ena;
+ if (config->json_output)
+ fprintf(config->output,
+ "\"event-runtime\" : %" PRIu64 ", \"pcnt-running\" : %.2f, ",
+ run, enabled_percent);
+ else if (config->csv_output)
+ fprintf(config->output,
+ "%s%" PRIu64 "%s%.2f", config->csv_sep,
+ run, config->csv_sep, enabled_percent);
+ 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->json_output)
+ fprintf(config->output, "\"variance\" : %.2f, ", pct);
+ else 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 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), avg);
+}
+
+static void print_cgroup(struct perf_stat_config *config, struct evsel *evsel)
+{
+ if (nr_cgroups) {
+ const char *cgrp_name = evsel->cgrp ? evsel->cgrp->name : "";
+
+ if (config->json_output)
+ fprintf(config->output, "\"cgroup\" : \"%s\", ", cgrp_name);
+ else
+ fprintf(config->output, "%s%s", config->csv_sep, cgrp_name);
+ }
+}
+
+
+static void aggr_printout(struct perf_stat_config *config,
+ struct evsel *evsel, struct aggr_cpu_id id, int nr)
+{
+
+
+ if (config->json_output && !config->interval)
+ fprintf(config->output, "{");
+
+ switch (config->aggr_mode) {
+ case AGGR_CORE:
+ if (config->json_output) {
+ fprintf(config->output,
+ "\"core\" : \"S%d-D%d-C%d\", \"aggregate-number\" : %d, ",
+ id.socket,
+ id.die,
+ id.core,
+ nr);
+ } else {
+ fprintf(config->output, "S%d-D%d-C%*d%s%*d%s",
+ id.socket,
+ id.die,
+ config->csv_output ? 0 : -8,
+ id.core,
+ config->csv_sep,
+ config->csv_output ? 0 : 4,
+ nr,
+ config->csv_sep);
+ }
+ break;
+ case AGGR_DIE:
+ if (config->json_output) {
+ fprintf(config->output,
+ "\"die\" : \"S%d-D%d\", \"aggregate-number\" : %d, ",
+ id.socket,
+ id.die,
+ nr);
+ } else {
+ fprintf(config->output, "S%d-D%*d%s%*d%s",
+ id.socket,
+ config->csv_output ? 0 : -8,
+ id.die,
+ config->csv_sep,
+ config->csv_output ? 0 : 4,
+ nr,
+ config->csv_sep);
+ }
+ break;
+ case AGGR_SOCKET:
+ if (config->json_output) {
+ fprintf(config->output,
+ "\"socket\" : \"S%d\", \"aggregate-number\" : %d, ",
+ id.socket,
+ nr);
+ } else {
+ fprintf(config->output, "S%*d%s%*d%s",
+ config->csv_output ? 0 : -5,
+ id.socket,
+ config->csv_sep,
+ config->csv_output ? 0 : 4,
+ nr,
+ config->csv_sep);
+ }
+ break;
+ case AGGR_NODE:
+ if (config->json_output) {
+ fprintf(config->output, "\"node\" : \"N%d\", \"aggregate-number\" : %d, ",
+ id.node,
+ nr);
+ } else {
+ fprintf(config->output, "N%*d%s%*d%s",
+ config->csv_output ? 0 : -5,
+ id.node,
+ config->csv_sep,
+ config->csv_output ? 0 : 4,
+ nr,
+ config->csv_sep);
+ }
+ break;
+ case AGGR_NONE:
+ if (config->json_output) {
+ if (evsel->percore && !config->percore_show_thread) {
+ fprintf(config->output, "\"core\" : \"S%d-D%d-C%d\"",
+ id.socket,
+ id.die,
+ id.core);
+ } else if (id.cpu.cpu > -1) {
+ fprintf(config->output, "\"cpu\" : \"%d\", ",
+ id.cpu.cpu);
+ }
+ } else {
+ if (evsel->percore && !config->percore_show_thread) {
+ fprintf(config->output, "S%d-D%d-C%*d%s",
+ id.socket,
+ id.die,
+ config->csv_output ? 0 : -3,
+ id.core, config->csv_sep);
+ } else if (id.cpu.cpu > -1) {
+ fprintf(config->output, "CPU%*d%s",
+ config->csv_output ? 0 : -7,
+ id.cpu.cpu, config->csv_sep);
+ }
+ }
+ break;
+ case AGGR_THREAD:
+ if (config->json_output) {
+ fprintf(config->output, "\"thread\" : \"%s-%d\", ",
+ perf_thread_map__comm(evsel->core.threads, id.thread_idx),
+ perf_thread_map__pid(evsel->core.threads, id.thread_idx));
+ } else {
+ fprintf(config->output, "%*s-%*d%s",
+ config->csv_output ? 0 : 16,
+ perf_thread_map__comm(evsel->core.threads, id.thread_idx),
+ config->csv_output ? 0 : -8,
+ perf_thread_map__pid(evsel->core.threads, id.thread_idx),
+ config->csv_sep);
+ }
+ break;
+ case AGGR_GLOBAL:
+ case AGGR_UNSET:
+ case AGGR_MAX:
+ default:
+ break;
+ }
+}
+
+struct outstate {
+ FILE *fh;
+ bool newline;
+ const char *prefix;
+ int nfields;
+ int nr;
+ struct aggr_cpu_id id;
+ struct 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", os->prefix);
+ 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 = skip_spaces(buf);
+ while (isdigit(*ends) || *ends == '.')
+ ends++;
+ *ends = 0;
+ fprintf(out, "%s%s%s%s", config->csv_sep, vals, config->csv_sep, skip_spaces(unit));
+}
+
+static void print_metric_json(struct perf_stat_config *config __maybe_unused,
+ void *ctx,
+ const char *color __maybe_unused,
+ const char *fmt __maybe_unused,
+ const char *unit, double val)
+{
+ struct outstate *os = ctx;
+ FILE *out = os->fh;
+
+ fprintf(out, "\"metric-value\" : %f, ", val);
+ fprintf(out, "\"metric-unit\" : \"%s\"", unit);
+ if (!config->metric_only)
+ fprintf(out, "}");
+}
+
+static void new_line_json(struct perf_stat_config *config, void *ctx)
+{
+ struct outstate *os = ctx;
+
+ fputc('\n', os->fh);
+ if (os->prefix)
+ fprintf(os->fh, "%s", os->prefix);
+ aggr_printout(config, os->evsel, os->id, os->nr);
+}
+
+/* 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, "CPUs utilized"))
+ return false;
+ return true;
+}
+
+static const char *fixunit(char *buf, struct evsel *evsel,
+ const char *unit)
+{
+ if (!strncmp(unit, "of all", 6)) {
+ snprintf(buf, 1024, "%s %s", 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 = skip_spaces(buf);
+ while (isdigit(*ends) || *ends == '.')
+ ends++;
+ *ends = 0;
+ fprintf(out, "%s%s", vals, config->csv_sep);
+}
+
+static void print_metric_only_json(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 = skip_spaces(buf);
+ while (isdigit(*ends) || *ends == '.')
+ ends++;
+ *ends = 0;
+ fprintf(out, "{\"metric-value\" : \"%s\"}", vals);
+}
+
+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];
+
+ /* In case of iostat, print metric header for first root port only */
+ if (config->iostat_run &&
+ os->evsel->priv != os->evsel->evlist->selected->priv)
+ return;
+
+ if (!valid_only_metric(unit) && !config->json_output)
+ return;
+ unit = fixunit(tbuf, os->evsel, unit);
+
+ if (config->json_output)
+ fprintf(os->fh, "\"unit\" : \"%s\"", unit);
+ else 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_map_idx(struct perf_stat_config *config,
+ struct evsel *evsel, const struct aggr_cpu_id *id)
+{
+ struct perf_cpu_map *cpus = evsel__cpus(evsel);
+ struct perf_cpu cpu;
+ int idx;
+
+ if (config->aggr_mode == AGGR_NONE)
+ return perf_cpu_map__idx(cpus, id->cpu);
+
+ if (config->aggr_mode == AGGR_THREAD)
+ return id->thread_idx;
+
+ if (!config->aggr_get_id)
+ return 0;
+
+ perf_cpu_map__for_each_cpu(cpu, idx, cpus) {
+ struct aggr_cpu_id cpu_id = config->aggr_get_id(config, cpu);
+
+ if (aggr_cpu_id__equal(&cpu_id, id))
+ return idx;
+ }
+ return 0;
+}
+
+static void abs_printout(struct perf_stat_config *config,
+ struct aggr_cpu_id id, int nr, struct 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);
+
+ if (config->json_output)
+ fprintf(output, "\"counter-value\" : \"%f\", ", avg);
+ else
+ fprintf(output, fmt, avg, config->csv_sep);
+
+ if (config->json_output) {
+ if (evsel->unit) {
+ fprintf(output, "\"unit\" : \"%s\", ",
+ evsel->unit);
+ }
+ } else {
+ if (evsel->unit)
+ fprintf(output, "%-*s%s",
+ config->csv_output ? 0 : config->unit_width,
+ evsel->unit, config->csv_sep);
+ }
+
+ if (config->json_output)
+ fprintf(output, "\"event\" : \"%s\", ", evsel__name(evsel));
+ else
+ fprintf(output, "%-*s", config->csv_output ? 0 : 32, evsel__name(evsel));
+
+ print_cgroup(config, evsel);
+}
+
+static bool is_mixed_hw_group(struct evsel *counter)
+{
+ struct evlist *evlist = counter->evlist;
+ u32 pmu_type = counter->core.attr.type;
+ struct evsel *pos;
+
+ if (counter->core.nr_members < 2)
+ return false;
+
+ evlist__for_each_entry(evlist, pos) {
+ /* software events can be part of any hardware group */
+ if (pos->core.attr.type == PERF_TYPE_SOFTWARE)
+ continue;
+ if (pmu_type == PERF_TYPE_SOFTWARE) {
+ pmu_type = pos->core.attr.type;
+ continue;
+ }
+ if (pmu_type != pos->core.attr.type)
+ return true;
+ }
+
+ return false;
+}
+
+static void printout(struct perf_stat_config *config, struct aggr_cpu_id id, int nr,
+ struct 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;
+ new_line_t nl;
+
+ if (config->csv_output) {
+ static const int aggr_fields[AGGR_MAX] = {
+ [AGGR_NONE] = 1,
+ [AGGR_GLOBAL] = 0,
+ [AGGR_SOCKET] = 2,
+ [AGGR_DIE] = 2,
+ [AGGR_CORE] = 2,
+ [AGGR_THREAD] = 1,
+ [AGGR_UNSET] = 0,
+ [AGGR_NODE] = 1,
+ };
+
+ pm = config->metric_only ? print_metric_only_csv : print_metric_csv;
+ nl = config->metric_only ? new_line_metric : new_line_csv;
+ os.nfields = 3 + aggr_fields[config->aggr_mode] + (counter->cgrp ? 1 : 0);
+ } else if (config->json_output) {
+ pm = config->metric_only ? print_metric_only_json : print_metric_json;
+ nl = config->metric_only ? new_line_metric : new_line_json;
+ } else {
+ pm = config->metric_only ? print_metric_only : print_metric_std;
+ nl = config->metric_only ? new_line_metric : new_line_std;
+ }
+
+ if (!config->no_csv_summary && config->csv_output &&
+ config->summary && !config->interval) {
+ fprintf(config->output, "%16s%s", "summary", config->csv_sep);
+ }
+
+ 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);
+
+ if (config->json_output) {
+ fprintf(config->output, "\"counter-value\" : \"%s\", ",
+ counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED);
+ } else {
+ fprintf(config->output, "%*s%s",
+ config->csv_output ? 0 : 18,
+ counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
+ config->csv_sep);
+ }
+
+ if (counter->supported) {
+ if (!evlist__has_hybrid(counter->evlist)) {
+ config->print_free_counters_hint = 1;
+ if (is_mixed_hw_group(counter))
+ config->print_mixed_hw_group_error = 1;
+ }
+ }
+
+ if (config->json_output) {
+ fprintf(config->output, "\"unit\" : \"%s\", ", counter->unit);
+ } else {
+ fprintf(config->output, "%-*s%s",
+ config->csv_output ? 0 : config->unit_width,
+ counter->unit, config->csv_sep);
+ }
+
+ if (config->json_output) {
+ fprintf(config->output, "\"event\" : \"%s\", ",
+ evsel__name(counter));
+ } else {
+ fprintf(config->output, "%*s",
+ config->csv_output ? 0 : -25, evsel__name(counter));
+ }
+
+ print_cgroup(config, counter);
+
+ if (!config->csv_output && !config->json_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);
+ else if (config->json_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);
+ } else if (config->json_output && !config->metric_only) {
+ print_noise(config, counter, noise);
+ print_running(config, run, ena);
+ }
+
+ perf_stat__print_shadow_stats(config, counter, uval,
+ first_shadow_map_idx(config, counter, &id),
+ &out, &config->metric_events, st);
+ if (!config->csv_output && !config->metric_only && !config->json_output) {
+ print_noise(config, counter, noise);
+ print_running(config, run, ena);
+ }
+}
+
+static void aggr_update_shadow(struct perf_stat_config *config,
+ struct evlist *evlist)
+{
+ int idx, s;
+ struct perf_cpu cpu;
+ struct aggr_cpu_id s2, id;
+ u64 val;
+ struct evsel *counter;
+ struct perf_cpu_map *cpus;
+
+ for (s = 0; s < config->aggr_map->nr; s++) {
+ id = config->aggr_map->map[s];
+ evlist__for_each_entry(evlist, counter) {
+ cpus = evsel__cpus(counter);
+ val = 0;
+ perf_cpu_map__for_each_cpu(cpu, idx, cpus) {
+ s2 = config->aggr_get_id(config, cpu);
+ if (!aggr_cpu_id__equal(&s2, &id))
+ continue;
+ val += perf_counts(counter->counts, idx, 0)->val;
+ }
+ perf_stat__update_shadow_stats(counter, val,
+ first_shadow_map_idx(config, counter, &id),
+ &rt_stat);
+ }
+ }
+}
+
+static void uniquify_event_name(struct evsel *counter)
+{
+ char *new_name;
+ char *config;
+ int ret = 0;
+
+ if (counter->uniquified_name || counter->use_config_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 (evsel__is_hybrid(counter)) {
+ ret = asprintf(&new_name, "%s/%s/",
+ counter->pmu_name, counter->name);
+ } else {
+ ret = asprintf(&new_name, "%s [%s]",
+ counter->name, counter->pmu_name);
+ }
+
+ if (ret) {
+ free(counter->name);
+ counter->name = new_name;
+ }
+ }
+
+ counter->uniquified_name = true;
+}
+
+static void collect_all_aliases(struct perf_stat_config *config, struct evsel *counter,
+ void (*cb)(struct perf_stat_config *config, struct evsel *counter, void *data,
+ bool first),
+ void *data)
+{
+ struct evlist *evlist = counter->evlist;
+ struct evsel *alias;
+
+ alias = list_prepare_entry(counter, &(evlist->core.entries), core.node);
+ list_for_each_entry_continue (alias, &evlist->core.entries, core.node) {
+ /* Merge events with the same name, etc. but on different PMUs. */
+ if (!strcmp(evsel__name(alias), evsel__name(counter)) &&
+ alias->scale == counter->scale &&
+ alias->cgrp == counter->cgrp &&
+ !strcmp(alias->unit, counter->unit) &&
+ evsel__is_clock(alias) == evsel__is_clock(counter) &&
+ strcmp(alias->pmu_name, counter->pmu_name)) {
+ alias->merged_stat = true;
+ cb(config, alias, data, false);
+ }
+ }
+}
+
+static bool hybrid_merge(struct evsel *counter, struct perf_stat_config *config,
+ bool check)
+{
+ if (evsel__is_hybrid(counter)) {
+ if (check)
+ return config->hybrid_merge;
+ else
+ return !config->hybrid_merge;
+ }
+
+ return false;
+}
+
+static bool collect_data(struct perf_stat_config *config, struct evsel *counter,
+ void (*cb)(struct perf_stat_config *config, struct evsel *counter, void *data,
+ bool first),
+ void *data)
+{
+ if (counter->merged_stat)
+ return false;
+ cb(config, counter, data, true);
+ if (config->no_merge || hybrid_merge(counter, config, false))
+ uniquify_event_name(counter);
+ else if (counter->auto_merge_stats || hybrid_merge(counter, config, true))
+ collect_all_aliases(config, counter, cb, data);
+ return true;
+}
+
+struct aggr_data {
+ u64 ena, run, val;
+ struct aggr_cpu_id id;
+ int nr;
+ int cpu_map_idx;
+};
+
+static void aggr_cb(struct perf_stat_config *config,
+ struct evsel *counter, void *data, bool first)
+{
+ struct aggr_data *ad = data;
+ int idx;
+ struct perf_cpu cpu;
+ struct perf_cpu_map *cpus;
+ struct aggr_cpu_id s2;
+
+ cpus = evsel__cpus(counter);
+ perf_cpu_map__for_each_cpu(cpu, idx, cpus) {
+ struct perf_counts_values *counts;
+
+ s2 = config->aggr_get_id(config, cpu);
+ if (!aggr_cpu_id__equal(&s2, &ad->id))
+ continue;
+ if (first)
+ ad->nr++;
+ counts = perf_counts(counter->counts, idx, 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_counter_aggrdata(struct perf_stat_config *config,
+ struct evsel *counter, int s,
+ char *prefix, bool metric_only,
+ bool *first, struct perf_cpu cpu)
+{
+ struct aggr_data ad;
+ FILE *output = config->output;
+ u64 ena, run, val;
+ int nr;
+ struct aggr_cpu_id id;
+ double uval;
+
+ ad.id = id = config->aggr_map->map[s];
+ ad.val = ad.ena = ad.run = 0;
+ ad.nr = 0;
+ if (!collect_data(config, counter, aggr_cb, &ad))
+ return;
+
+ if (perf_pmu__has_hybrid() && ad.ena == 0)
+ return;
+
+ 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;
+ if (cpu.cpu != -1)
+ id = aggr_cpu_id__cpu(cpu, /*data=*/NULL);
+
+ printout(config, id, nr, counter, uval,
+ prefix, run, ena, 1.0, &rt_stat);
+ if (!metric_only)
+ fputc('\n', output);
+}
+
+static void print_aggr(struct perf_stat_config *config,
+ struct evlist *evlist,
+ char *prefix)
+{
+ bool metric_only = config->metric_only;
+ FILE *output = config->output;
+ struct evsel *counter;
+ int s;
+ 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++) {
+ if (prefix && metric_only)
+ fprintf(output, "%s", prefix);
+
+ first = true;
+ evlist__for_each_entry(evlist, counter) {
+ print_counter_aggrdata(config, counter, s,
+ prefix, metric_only,
+ &first, (struct perf_cpu){ .cpu = -1 });
+ }
+ 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 evsel *counter,
+ int *ret,
+ struct target *_target)
+{
+ int nthreads = perf_thread_map__nr(counter->core.threads);
+ int i = 0;
+ double uval;
+ struct perf_aggr_thread_value *buf;
+
+ buf = calloc(nthreads, sizeof(struct perf_aggr_thread_value));
+ if (!buf)
+ return NULL;
+
+ for (int thread = 0; thread < nthreads; thread++) {
+ int idx;
+ u64 ena = 0, run = 0, val = 0;
+
+ perf_cpu_map__for_each_idx(idx, evsel__cpus(counter)) {
+ struct perf_counts_values *counts =
+ perf_counts(counter->counts, idx, thread);
+
+ val += counts->val;
+ ena += counts->ena;
+ run += counts->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 = aggr_cpu_id__empty();
+ buf[i].id.thread_idx = 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 evsel *counter, char *prefix)
+{
+ FILE *output = config->output;
+ int thread, sorted_threads;
+ struct aggr_cpu_id id;
+ struct perf_aggr_thread_value *buf;
+
+ buf = sort_aggr_thread(counter, &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;
+ 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 evsel *counter, void *data,
+ bool first __maybe_unused)
+{
+ struct caggr_data *cd = data;
+ struct perf_counts_values *aggr = &counter->counts->aggr;
+
+ cd->avg += aggr->val;
+ cd->avg_enabled += aggr->ena;
+ cd->avg_running += aggr->run;
+}
+
+/*
+ * 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 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, aggr_cpu_id__empty(), 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 evsel *counter, void *data,
+ bool first __maybe_unused)
+{
+ struct aggr_data *ad = data;
+
+ ad->val += perf_counts(counter->counts, ad->cpu_map_idx, 0)->val;
+ ad->ena += perf_counts(counter->counts, ad->cpu_map_idx, 0)->ena;
+ ad->run += perf_counts(counter->counts, ad->cpu_map_idx, 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 evsel *counter, char *prefix)
+{
+ FILE *output = config->output;
+ u64 ena, run, val;
+ double uval;
+ int idx;
+ struct perf_cpu cpu;
+ struct aggr_cpu_id id;
+
+ perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) {
+ struct aggr_data ad = { .cpu_map_idx = idx };
+
+ 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;
+ id = aggr_cpu_id__cpu(cpu, /*data=*/NULL);
+ printout(config, id, 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 evlist *evlist,
+ char *prefix)
+{
+ int all_idx;
+ struct perf_cpu cpu;
+
+ perf_cpu_map__for_each_cpu(cpu, all_idx, evlist->core.user_requested_cpus) {
+ struct evsel *counter;
+ bool first = true;
+
+ evlist__for_each_entry(evlist, counter) {
+ u64 ena, run, val;
+ double uval;
+ struct aggr_cpu_id id;
+ int counter_idx = perf_cpu_map__idx(evsel__cpus(counter), cpu);
+
+ if (counter_idx < 0)
+ continue;
+
+ id = aggr_cpu_id__cpu(cpu, /*data=*/NULL);
+ if (first) {
+ if (prefix)
+ fputs(prefix, config->output);
+ aggr_printout(config, counter, id, 0);
+ first = false;
+ }
+ val = perf_counts(counter->counts, counter_idx, 0)->val;
+ ena = perf_counts(counter->counts, counter_idx, 0)->ena;
+ run = perf_counts(counter->counts, counter_idx, 0)->run;
+
+ uval = val * counter->scale;
+ printout(config, id, 0, counter, uval, prefix,
+ run, ena, 1.0, &rt_stat);
+ }
+ if (!first)
+ fputc('\n', config->output);
+ }
+}
+
+static int aggr_header_lens[] = {
+ [AGGR_CORE] = 24,
+ [AGGR_DIE] = 18,
+ [AGGR_SOCKET] = 12,
+ [AGGR_NONE] = 6,
+ [AGGR_THREAD] = 24,
+ [AGGR_NODE] = 6,
+ [AGGR_GLOBAL] = 0,
+};
+
+static const char *aggr_header_csv[] = {
+ [AGGR_CORE] = "core,cpus,",
+ [AGGR_DIE] = "die,cpus",
+ [AGGR_SOCKET] = "socket,cpus",
+ [AGGR_NONE] = "cpu,",
+ [AGGR_THREAD] = "comm-pid,",
+ [AGGR_NODE] = "node,",
+ [AGGR_GLOBAL] = ""
+};
+
+static void print_metric_headers(struct perf_stat_config *config,
+ struct evlist *evlist,
+ const char *prefix, bool no_indent)
+{
+ struct evsel *counter;
+ struct outstate os = {
+ .fh = config->output
+ };
+ struct perf_stat_output_ctx out = {
+ .ctx = &os,
+ .print_metric = print_metric_header,
+ .new_line = new_line_metric,
+ .force_header = true,
+ };
+ bool first = true;
+
+ if (config->json_output && !config->interval)
+ fprintf(config->output, "{");
+
+ if (prefix && !config->json_output)
+ 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);
+ if (!config->iostat_run)
+ fputs(aggr_header_csv[config->aggr_mode], config->output);
+ }
+ if (config->iostat_run)
+ iostat_print_header_prefix(config);
+
+ /* Print metrics headers only */
+ evlist__for_each_entry(evlist, counter) {
+ os.evsel = counter;
+
+ if (!first && config->json_output)
+ fprintf(config->output, ", ");
+ first = false;
+
+ perf_stat__print_shadow_stats(config, counter, 0,
+ 0,
+ &out,
+ &config->metric_events,
+ &rt_stat);
+ }
+ if (config->json_output)
+ fprintf(config->output, "}");
+ fputc('\n', config->output);
+}
+
+static void print_interval(struct perf_stat_config *config,
+ struct 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);
+
+ if (!config->iostat_run && !config->json_output)
+ sprintf(prefix, "%6lu.%09lu%s", (unsigned long) ts->tv_sec,
+ ts->tv_nsec, config->csv_sep);
+ if (!config->iostat_run && config->json_output && !config->metric_only)
+ sprintf(prefix, "{\"interval\" : %lu.%09lu, ", (unsigned long)
+ ts->tv_sec, ts->tv_nsec);
+ if (!config->iostat_run && config->json_output && config->metric_only)
+ sprintf(prefix, "{\"interval\" : %lu.%09lu}", (unsigned long)
+ ts->tv_sec, ts->tv_nsec);
+
+ if ((num_print_interval == 0 && !config->csv_output && !config->json_output)
+ || config->interval_clear) {
+ switch (config->aggr_mode) {
+ case AGGR_NODE:
+ fprintf(output, "# time node cpus");
+ if (!metric_only)
+ fprintf(output, " counts %*s events\n", unit_width, "unit");
+ break;
+ case AGGR_SOCKET:
+ fprintf(output, "# time socket cpus");
+ if (!metric_only)
+ fprintf(output, " counts %*s events\n", unit_width, "unit");
+ break;
+ case AGGR_DIE:
+ fprintf(output, "# time die 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:
+ if (!config->iostat_run) {
+ fprintf(output, "# time");
+ if (!metric_only)
+ fprintf(output, " counts %*s events\n", unit_width, "unit");
+ }
+ case AGGR_UNSET:
+ case AGGR_MAX:
+ break;
+ }
+ }
+
+ if ((num_print_interval == 0 || config->interval_clear)
+ && metric_only && !config->json_output)
+ print_metric_headers(config, evlist, " ", true);
+ if ((num_print_interval == 0 || config->interval_clear)
+ && metric_only && config->json_output) {
+ fprintf(output, "{");
+ 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 && !config->json_output) {
+ fprintf(output, "\n");
+ fprintf(output, " Performance counter stats for ");
+ if (_target->bpf_str)
+ fprintf(output, "\'BPF program(s) %s", _target->bpf_str);
+ else 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;
+
+ 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__nmi_watchdog_enabled())
+ 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 print_percore_thread(struct perf_stat_config *config,
+ struct evsel *counter, char *prefix)
+{
+ int s;
+ struct aggr_cpu_id s2, id;
+ struct perf_cpu_map *cpus;
+ bool first = true;
+ int idx;
+ struct perf_cpu cpu;
+
+ cpus = evsel__cpus(counter);
+ perf_cpu_map__for_each_cpu(cpu, idx, cpus) {
+ s2 = config->aggr_get_id(config, cpu);
+ for (s = 0; s < config->aggr_map->nr; s++) {
+ id = config->aggr_map->map[s];
+ if (aggr_cpu_id__equal(&s2, &id))
+ break;
+ }
+
+ print_counter_aggrdata(config, counter, s,
+ prefix, false,
+ &first, cpu);
+ }
+}
+
+static void print_percore(struct perf_stat_config *config,
+ struct evsel *counter, char *prefix)
+{
+ bool metric_only = config->metric_only;
+ FILE *output = config->output;
+ int s;
+ bool first = true;
+
+ if (!config->aggr_map || !config->aggr_get_id)
+ return;
+
+ if (config->percore_show_thread)
+ return print_percore_thread(config, counter, prefix);
+
+ for (s = 0; s < config->aggr_map->nr; s++) {
+ if (prefix && metric_only)
+ fprintf(output, "%s", prefix);
+
+ print_counter_aggrdata(config, counter, s,
+ prefix, metric_only,
+ &first, (struct perf_cpu){ .cpu = -1 });
+ }
+
+ if (metric_only)
+ fputc('\n', output);
+}
+
+void evlist__print_counters(struct 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 evsel *counter;
+ char buf[64], *prefix = NULL;
+
+ if (config->iostat_run)
+ evlist->selected = evlist__first(evlist);
+
+ 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 && !config->iostat_run)
+ fprintf(config->output, "%s", prefix);
+
+ if (config->json_output && !config->metric_only)
+ fprintf(config->output, "}");
+ }
+
+ switch (config->aggr_mode) {
+ case AGGR_CORE:
+ case AGGR_DIE:
+ case AGGR_SOCKET:
+ case AGGR_NODE:
+ print_aggr(config, evlist, prefix);
+ break;
+ case AGGR_THREAD:
+ evlist__for_each_entry(evlist, counter) {
+ print_aggr_thread(config, _target, counter, prefix);
+ }
+ break;
+ case AGGR_GLOBAL:
+ if (config->iostat_run)
+ iostat_print_counters(evlist, config, ts, prefix = buf,
+ print_counter_aggr);
+ else {
+ evlist__for_each_entry(evlist, counter) {
+ 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 (counter->percore)
+ print_percore(config, counter, prefix);
+ else
+ print_counter(config, counter, prefix);
+ }
+ }
+ break;
+ case AGGR_MAX:
+ case AGGR_UNSET:
+ default:
+ break;
+ }
+
+ if (!interval && !config->csv_output && !config->json_output)
+ print_footer(config);
+
+ fflush(config->output);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 05:24:55 +0000