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c754c382c9
As those are 'struct evsel' methods, not part of tools/lib/perf/, aka libperf, to whom the perf_ prefix belongs. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
1259 lines
30 KiB
C
1259 lines
30 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <inttypes.h>
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#include <linux/string.h>
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#include <linux/time64.h>
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#include <math.h>
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#include "color.h"
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#include "counts.h"
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#include "evlist.h"
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#include "evsel.h"
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#include "stat.h"
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#include "top.h"
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#include "thread_map.h"
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#include "cpumap.h"
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#include "string2.h"
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#include <linux/ctype.h>
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#include "cgroup.h"
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#include <api/fs/fs.h>
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#include "util.h"
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#define CNTR_NOT_SUPPORTED "<not supported>"
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#define CNTR_NOT_COUNTED "<not counted>"
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static void print_running(struct perf_stat_config *config,
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u64 run, u64 ena)
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{
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if (config->csv_output) {
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fprintf(config->output, "%s%" PRIu64 "%s%.2f",
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config->csv_sep,
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run,
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config->csv_sep,
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ena ? 100.0 * run / ena : 100.0);
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} else if (run != ena) {
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fprintf(config->output, " (%.2f%%)", 100.0 * run / ena);
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}
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}
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static void print_noise_pct(struct perf_stat_config *config,
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double total, double avg)
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{
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double pct = rel_stddev_stats(total, avg);
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if (config->csv_output)
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fprintf(config->output, "%s%.2f%%", config->csv_sep, pct);
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else if (pct)
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fprintf(config->output, " ( +-%6.2f%% )", pct);
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}
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static void print_noise(struct perf_stat_config *config,
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struct evsel *evsel, double avg)
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{
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struct perf_stat_evsel *ps;
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if (config->run_count == 1)
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return;
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ps = evsel->stats;
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print_noise_pct(config, stddev_stats(&ps->res_stats[0]), avg);
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}
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static void print_cgroup(struct perf_stat_config *config, struct evsel *evsel)
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{
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if (nr_cgroups) {
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const char *cgrp_name = evsel->cgrp ? evsel->cgrp->name : "";
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fprintf(config->output, "%s%s", config->csv_sep, cgrp_name);
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}
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}
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static void aggr_printout(struct perf_stat_config *config,
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struct evsel *evsel, int id, int nr)
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{
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switch (config->aggr_mode) {
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case AGGR_CORE:
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fprintf(config->output, "S%d-D%d-C%*d%s%*d%s",
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cpu_map__id_to_socket(id),
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cpu_map__id_to_die(id),
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config->csv_output ? 0 : -8,
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cpu_map__id_to_cpu(id),
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config->csv_sep,
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config->csv_output ? 0 : 4,
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nr,
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config->csv_sep);
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break;
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case AGGR_DIE:
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fprintf(config->output, "S%d-D%*d%s%*d%s",
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cpu_map__id_to_socket(id << 16),
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config->csv_output ? 0 : -8,
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cpu_map__id_to_die(id << 16),
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config->csv_sep,
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config->csv_output ? 0 : 4,
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nr,
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config->csv_sep);
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break;
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case AGGR_SOCKET:
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fprintf(config->output, "S%*d%s%*d%s",
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config->csv_output ? 0 : -5,
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id,
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config->csv_sep,
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config->csv_output ? 0 : 4,
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nr,
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config->csv_sep);
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break;
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case AGGR_NODE:
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fprintf(config->output, "N%*d%s%*d%s",
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config->csv_output ? 0 : -5,
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id,
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config->csv_sep,
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config->csv_output ? 0 : 4,
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nr,
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config->csv_sep);
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break;
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case AGGR_NONE:
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if (evsel->percore && !config->percore_show_thread) {
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fprintf(config->output, "S%d-D%d-C%*d%s",
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cpu_map__id_to_socket(id),
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cpu_map__id_to_die(id),
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config->csv_output ? 0 : -3,
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cpu_map__id_to_cpu(id), config->csv_sep);
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} else {
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fprintf(config->output, "CPU%*d%s",
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config->csv_output ? 0 : -7,
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evsel__cpus(evsel)->map[id],
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config->csv_sep);
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}
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break;
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case AGGR_THREAD:
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fprintf(config->output, "%*s-%*d%s",
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config->csv_output ? 0 : 16,
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perf_thread_map__comm(evsel->core.threads, id),
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config->csv_output ? 0 : -8,
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perf_thread_map__pid(evsel->core.threads, id),
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config->csv_sep);
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break;
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case AGGR_GLOBAL:
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case AGGR_UNSET:
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default:
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break;
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}
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}
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struct outstate {
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FILE *fh;
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bool newline;
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const char *prefix;
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int nfields;
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int id, nr;
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struct evsel *evsel;
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};
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#define METRIC_LEN 35
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static void new_line_std(struct perf_stat_config *config __maybe_unused,
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void *ctx)
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{
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struct outstate *os = ctx;
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os->newline = true;
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}
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static void do_new_line_std(struct perf_stat_config *config,
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struct outstate *os)
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{
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fputc('\n', os->fh);
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fputs(os->prefix, os->fh);
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aggr_printout(config, os->evsel, os->id, os->nr);
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if (config->aggr_mode == AGGR_NONE)
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fprintf(os->fh, " ");
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fprintf(os->fh, " ");
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}
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static void print_metric_std(struct perf_stat_config *config,
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void *ctx, const char *color, const char *fmt,
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const char *unit, double val)
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{
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struct outstate *os = ctx;
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FILE *out = os->fh;
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int n;
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bool newline = os->newline;
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os->newline = false;
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if (unit == NULL || fmt == NULL) {
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fprintf(out, "%-*s", METRIC_LEN, "");
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return;
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}
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if (newline)
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do_new_line_std(config, os);
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n = fprintf(out, " # ");
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if (color)
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n += color_fprintf(out, color, fmt, val);
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else
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n += fprintf(out, fmt, val);
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fprintf(out, " %-*s", METRIC_LEN - n - 1, unit);
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}
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static void new_line_csv(struct perf_stat_config *config, void *ctx)
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{
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struct outstate *os = ctx;
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int i;
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fputc('\n', os->fh);
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if (os->prefix)
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fprintf(os->fh, "%s%s", os->prefix, config->csv_sep);
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aggr_printout(config, os->evsel, os->id, os->nr);
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for (i = 0; i < os->nfields; i++)
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fputs(config->csv_sep, os->fh);
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}
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static void print_metric_csv(struct perf_stat_config *config __maybe_unused,
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void *ctx,
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const char *color __maybe_unused,
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const char *fmt, const char *unit, double val)
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{
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struct outstate *os = ctx;
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FILE *out = os->fh;
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char buf[64], *vals, *ends;
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if (unit == NULL || fmt == NULL) {
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fprintf(out, "%s%s", config->csv_sep, config->csv_sep);
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return;
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}
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snprintf(buf, sizeof(buf), fmt, val);
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ends = vals = skip_spaces(buf);
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while (isdigit(*ends) || *ends == '.')
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ends++;
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*ends = 0;
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fprintf(out, "%s%s%s%s", config->csv_sep, vals, config->csv_sep, skip_spaces(unit));
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}
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/* Filter out some columns that don't work well in metrics only mode */
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static bool valid_only_metric(const char *unit)
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{
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if (!unit)
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return false;
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if (strstr(unit, "/sec") ||
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strstr(unit, "CPUs utilized"))
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return false;
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return true;
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}
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static const char *fixunit(char *buf, struct evsel *evsel,
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const char *unit)
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{
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if (!strncmp(unit, "of all", 6)) {
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snprintf(buf, 1024, "%s %s", evsel__name(evsel),
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unit);
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return buf;
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}
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return unit;
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}
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static void print_metric_only(struct perf_stat_config *config,
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void *ctx, const char *color, const char *fmt,
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const char *unit, double val)
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{
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struct outstate *os = ctx;
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FILE *out = os->fh;
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char buf[1024], str[1024];
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unsigned mlen = config->metric_only_len;
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if (!valid_only_metric(unit))
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return;
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unit = fixunit(buf, os->evsel, unit);
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if (mlen < strlen(unit))
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mlen = strlen(unit) + 1;
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if (color)
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mlen += strlen(color) + sizeof(PERF_COLOR_RESET) - 1;
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color_snprintf(str, sizeof(str), color ?: "", fmt, val);
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fprintf(out, "%*s ", mlen, str);
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}
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static void print_metric_only_csv(struct perf_stat_config *config __maybe_unused,
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void *ctx, const char *color __maybe_unused,
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const char *fmt,
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const char *unit, double val)
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{
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struct outstate *os = ctx;
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FILE *out = os->fh;
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char buf[64], *vals, *ends;
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char tbuf[1024];
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if (!valid_only_metric(unit))
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return;
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unit = fixunit(tbuf, os->evsel, unit);
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snprintf(buf, sizeof buf, fmt, val);
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ends = vals = skip_spaces(buf);
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while (isdigit(*ends) || *ends == '.')
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ends++;
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*ends = 0;
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fprintf(out, "%s%s", vals, config->csv_sep);
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}
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static void new_line_metric(struct perf_stat_config *config __maybe_unused,
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void *ctx __maybe_unused)
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{
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}
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static void print_metric_header(struct perf_stat_config *config,
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void *ctx, const char *color __maybe_unused,
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const char *fmt __maybe_unused,
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const char *unit, double val __maybe_unused)
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{
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struct outstate *os = ctx;
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char tbuf[1024];
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if (!valid_only_metric(unit))
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return;
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unit = fixunit(tbuf, os->evsel, unit);
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if (config->csv_output)
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fprintf(os->fh, "%s%s", unit, config->csv_sep);
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else
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fprintf(os->fh, "%*s ", config->metric_only_len, unit);
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}
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static int first_shadow_cpu(struct perf_stat_config *config,
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struct evsel *evsel, int id)
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{
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struct evlist *evlist = evsel->evlist;
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int i;
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if (!config->aggr_get_id)
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return 0;
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if (config->aggr_mode == AGGR_NONE)
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return id;
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if (config->aggr_mode == AGGR_GLOBAL)
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return 0;
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for (i = 0; i < evsel__nr_cpus(evsel); i++) {
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int cpu2 = evsel__cpus(evsel)->map[i];
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if (config->aggr_get_id(config, evlist->core.cpus, cpu2) == id)
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return cpu2;
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}
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return 0;
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}
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static void abs_printout(struct perf_stat_config *config,
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int id, int nr, struct evsel *evsel, double avg)
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{
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FILE *output = config->output;
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double sc = evsel->scale;
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const char *fmt;
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if (config->csv_output) {
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fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s";
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} else {
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if (config->big_num)
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fmt = floor(sc) != sc ? "%'18.2f%s" : "%'18.0f%s";
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else
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fmt = floor(sc) != sc ? "%18.2f%s" : "%18.0f%s";
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}
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aggr_printout(config, evsel, id, nr);
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fprintf(output, fmt, avg, config->csv_sep);
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if (evsel->unit)
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fprintf(output, "%-*s%s",
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config->csv_output ? 0 : config->unit_width,
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evsel->unit, config->csv_sep);
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fprintf(output, "%-*s", config->csv_output ? 0 : 25, evsel__name(evsel));
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print_cgroup(config, evsel);
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}
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static bool is_mixed_hw_group(struct evsel *counter)
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{
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struct evlist *evlist = counter->evlist;
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u32 pmu_type = counter->core.attr.type;
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struct evsel *pos;
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if (counter->core.nr_members < 2)
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return false;
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evlist__for_each_entry(evlist, pos) {
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/* software events can be part of any hardware group */
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if (pos->core.attr.type == PERF_TYPE_SOFTWARE)
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continue;
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if (pmu_type == PERF_TYPE_SOFTWARE) {
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pmu_type = pos->core.attr.type;
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continue;
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}
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if (pmu_type != pos->core.attr.type)
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return true;
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}
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return false;
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}
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static void printout(struct perf_stat_config *config, int id, int nr,
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struct evsel *counter, double uval,
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char *prefix, u64 run, u64 ena, double noise,
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struct runtime_stat *st)
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{
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struct perf_stat_output_ctx out;
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struct outstate os = {
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.fh = config->output,
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.prefix = prefix ? prefix : "",
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.id = id,
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.nr = nr,
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.evsel = counter,
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};
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print_metric_t pm = print_metric_std;
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new_line_t nl;
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if (config->metric_only) {
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nl = new_line_metric;
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if (config->csv_output)
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pm = print_metric_only_csv;
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else
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pm = print_metric_only;
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} else
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nl = new_line_std;
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if (config->csv_output && !config->metric_only) {
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static int aggr_fields[] = {
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[AGGR_GLOBAL] = 0,
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[AGGR_THREAD] = 1,
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[AGGR_NONE] = 1,
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[AGGR_SOCKET] = 2,
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[AGGR_DIE] = 2,
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[AGGR_CORE] = 2,
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};
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pm = print_metric_csv;
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nl = new_line_csv;
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os.nfields = 3;
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os.nfields += aggr_fields[config->aggr_mode];
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if (counter->cgrp)
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os.nfields++;
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}
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if (run == 0 || ena == 0 || counter->counts->scaled == -1) {
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if (config->metric_only) {
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pm(config, &os, NULL, "", "", 0);
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return;
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}
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aggr_printout(config, counter, id, nr);
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fprintf(config->output, "%*s%s",
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config->csv_output ? 0 : 18,
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counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
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config->csv_sep);
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if (counter->supported) {
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config->print_free_counters_hint = 1;
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if (is_mixed_hw_group(counter))
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config->print_mixed_hw_group_error = 1;
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}
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fprintf(config->output, "%-*s%s",
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config->csv_output ? 0 : config->unit_width,
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counter->unit, config->csv_sep);
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fprintf(config->output, "%*s",
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config->csv_output ? 0 : -25, evsel__name(counter));
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print_cgroup(config, counter);
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if (!config->csv_output)
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pm(config, &os, NULL, NULL, "", 0);
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print_noise(config, counter, noise);
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print_running(config, run, ena);
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if (config->csv_output)
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pm(config, &os, NULL, NULL, "", 0);
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return;
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}
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if (!config->metric_only)
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abs_printout(config, id, nr, counter, uval);
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out.print_metric = pm;
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out.new_line = nl;
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out.ctx = &os;
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out.force_header = false;
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if (config->csv_output && !config->metric_only) {
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print_noise(config, counter, noise);
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print_running(config, run, ena);
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}
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perf_stat__print_shadow_stats(config, counter, uval,
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first_shadow_cpu(config, counter, id),
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&out, &config->metric_events, st);
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if (!config->csv_output && !config->metric_only) {
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print_noise(config, counter, noise);
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print_running(config, run, ena);
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}
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}
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static void aggr_update_shadow(struct perf_stat_config *config,
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struct evlist *evlist)
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{
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int cpu, s2, id, s;
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u64 val;
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struct evsel *counter;
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for (s = 0; s < config->aggr_map->nr; s++) {
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id = config->aggr_map->map[s];
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evlist__for_each_entry(evlist, counter) {
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val = 0;
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for (cpu = 0; cpu < 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(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))
|
|
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 < 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, int cpu)
|
|
{
|
|
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, cpu != -1 ? cpu : 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, -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 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 < 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_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:
|
|
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;
|
|
|
|
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, s2, id;
|
|
bool first = true;
|
|
|
|
for (int i = 0; i < evsel__nr_cpus(counter); i++) {
|
|
s2 = config->aggr_get_id(config, evsel__cpus(counter), i);
|
|
for (s = 0; s < config->aggr_map->nr; s++) {
|
|
id = config->aggr_map->map[s];
|
|
if (s2 == id)
|
|
break;
|
|
}
|
|
|
|
print_counter_aggrdata(config, counter, s,
|
|
prefix, false,
|
|
&first, i);
|
|
}
|
|
}
|
|
|
|
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, -1);
|
|
}
|
|
|
|
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:
|
|
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:
|
|
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);
|
|
}
|