diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/stat-display.c | 1515 |
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); +} |