| #include <stdlib.h> |
| #include <stdio.h> |
| #include <inttypes.h> |
| #include <linux/string.h> |
| #include <linux/time64.h> |
| #include <math.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> |
| |
| #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) |
| { |
| 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 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 print_cgroup(struct perf_stat_config *config, struct evsel *evsel) |
| { |
| if (nr_cgroups) { |
| const char *cgrp_name = evsel->cgrp ? evsel->cgrp->name : ""; |
| fprintf(config->output, "%s%s", config->csv_sep, cgrp_name); |
| } |
| } |
| |
| |
| static void aggr_printout(struct perf_stat_config *config, |
| struct evsel *evsel, int id, int nr) |
| { |
| switch (config->aggr_mode) { |
| case AGGR_CORE: |
| fprintf(config->output, "S%d-D%d-C%*d%s%*d%s", |
| cpu_map__id_to_socket(id), |
| cpu_map__id_to_die(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_DIE: |
| fprintf(config->output, "S%d-D%*d%s%*d%s", |
| cpu_map__id_to_socket(id << 16), |
| config->csv_output ? 0 : -8, |
| cpu_map__id_to_die(id << 16), |
| 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: |
| if (evsel->percore) { |
| fprintf(config->output, "S%d-D%d-C%*d%s", |
| cpu_map__id_to_socket(id), |
| cpu_map__id_to_die(id), |
| config->csv_output ? 0 : -5, |
| cpu_map__id_to_cpu(id), config->csv_sep); |
| } else { |
| fprintf(config->output, "CPU%*d%s ", |
| config->csv_output ? 0 : -5, |
| evsel__cpus(evsel)->map[id], |
| config->csv_sep); |
| } |
| break; |
| case AGGR_THREAD: |
| fprintf(config->output, "%*s-%*d%s", |
| config->csv_output ? 0 : 16, |
| perf_thread_map__comm(evsel->core.threads, id), |
| config->csv_output ? 0 : -8, |
| perf_thread_map__pid(evsel->core.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 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 = 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)); |
| } |
| |
| /* 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 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 = skip_spaces(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 evsel *evsel, int id) |
| { |
| struct evlist *evlist = evsel->evlist; |
| int i; |
| |
| if (config->aggr_mode == AGGR_NONE) |
| return id; |
| |
| if (!config->aggr_get_id) |
| return 0; |
| |
| for (i = 0; i < perf_evsel__nr_cpus(evsel); i++) { |
| int cpu2 = evsel__cpus(evsel)->map[i]; |
| |
| if (config->aggr_get_id(config, evlist->core.cpus, cpu2) == id) |
| return cpu2; |
| } |
| return 0; |
| } |
| |
| static void abs_printout(struct perf_stat_config *config, |
| int 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); |
| |
| 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)); |
| |
| 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, int 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 = 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_DIE] = 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)); |
| |
| print_cgroup(config, counter); |
| |
| 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 evlist *evlist) |
| { |
| int cpu, s2, id, s; |
| u64 val; |
| struct 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->core.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 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 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) { |
| 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) || |
| !strcmp(alias->pmu_name, counter->pmu_name)) |
| break; |
| alias->merged_stat = true; |
| cb(config, alias, data, 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) |
| 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 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, 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_counter_aggrdata(struct perf_stat_config *config, |
| struct evsel *counter, int s, |
| char *prefix, bool metric_only, |
| bool *first) |
| { |
| struct aggr_data ad; |
| FILE *output = config->output; |
| u64 ena, run, val; |
| int id, nr; |
| 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; |
| |
| 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); |
| } |
| |
| 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); |
| } |
| 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 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 evsel *counter, char *prefix) |
| { |
| FILE *output = config->output; |
| int nthreads = perf_thread_map__nr(counter->core.threads); |
| int ncpus = perf_cpu_map__nr(counter->core.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 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 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 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 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 evlist *evlist, |
| char *prefix) |
| { |
| int cpu; |
| int nrcpus = 0; |
| struct evsel *counter; |
| u64 ena, run, val; |
| double uval; |
| |
| nrcpus = evlist->core.cpus->nr; |
| for (cpu = 0; cpu < nrcpus; cpu++) { |
| bool first = true; |
| |
| if (prefix) |
| fputs(prefix, config->output); |
| evlist__for_each_entry(evlist, counter) { |
| 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] = 24, |
| [AGGR_DIE] = 18, |
| [AGGR_SOCKET] = 12, |
| [AGGR_NONE] = 6, |
| [AGGR_THREAD] = 24, |
| [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_GLOBAL] = "" |
| }; |
| |
| static void print_metric_headers(struct perf_stat_config *config, |
| struct evlist *evlist, |
| const char *prefix, bool no_indent) |
| { |
| struct perf_stat_output_ctx out; |
| struct 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) { |
| 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 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_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: |
| 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 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; |
| |
| 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); |
| } |
| |
| if (metric_only) |
| fputc('\n', output); |
| } |
| |
| void |
| perf_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 (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_DIE: |
| case AGGR_SOCKET: |
| 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: |
| 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_UNSET: |
| default: |
| break; |
| } |
| |
| if (!interval && !config->csv_output) |
| print_footer(config); |
| |
| fflush(config->output); |
| } |