diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Documentation/perf-stat.txt | 9 | ||||
| -rw-r--r-- | tools/perf/builtin-stat.c | 4 | ||||
| -rw-r--r-- | tools/perf/util/stat-display.c | 33 | ||||
| -rw-r--r-- | tools/perf/util/stat.h | 1 |
4 files changed, 42 insertions, 5 deletions
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 9431b8066fb4..4d56586b2fb9 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -334,6 +334,15 @@ Configure all used events to run in kernel space. --all-user:: Configure all used events to run in user space. +--percore-show-thread:: +The event modifier "percore" has supported to sum up the event counts +for all hardware threads in a core and show the counts per core. + +This option with event modifier "percore" enabled also sums up the event +counts for all hardware threads in a core but show the sum counts per +hardware thread. This is essentially a replacement for the any bit and +convenient for post processing. + EXAMPLES -------- diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index a098c2ebf4ea..ec053dc1e35c 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -929,6 +929,10 @@ static struct option stat_options[] = { OPT_BOOLEAN_FLAG(0, "all-user", &stat_config.all_user, "Configure all used events to run in user space.", PARSE_OPT_EXCLUSIVE), + OPT_BOOLEAN(0, "percore-show-thread", &stat_config.percore_show_thread, + "Use with 'percore' event qualifier to show the event " + "counts of one hardware thread by sum up total hardware " + "threads of same physical core"), OPT_END() }; diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index bc31fccc0057..d89cb0da90f8 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -110,7 +110,7 @@ static void aggr_printout(struct perf_stat_config *config, config->csv_sep); break; case AGGR_NONE: - if (evsel->percore) { + if (evsel->percore && !config->percore_show_thread) { fprintf(config->output, "S%d-D%d-C%*d%s", cpu_map__id_to_socket(id), cpu_map__id_to_die(id), @@ -628,7 +628,7 @@ static void aggr_cb(struct perf_stat_config *config, static void print_counter_aggrdata(struct perf_stat_config *config, struct evsel *counter, int s, char *prefix, bool metric_only, - bool *first) + bool *first, int cpu) { struct aggr_data ad; FILE *output = config->output; @@ -654,7 +654,7 @@ static void print_counter_aggrdata(struct perf_stat_config *config, fprintf(output, "%s", prefix); uval = val * counter->scale; - printout(config, id, nr, counter, uval, prefix, + printout(config, cpu != -1 ? cpu : id, nr, counter, uval, prefix, run, ena, 1.0, &rt_stat); if (!metric_only) fputc('\n', output); @@ -687,7 +687,7 @@ static void print_aggr(struct perf_stat_config *config, evlist__for_each_entry(evlist, counter) { print_counter_aggrdata(config, counter, s, prefix, metric_only, - &first); + &first, -1); } if (metric_only) fputc('\n', output); @@ -1146,6 +1146,26 @@ static void print_footer(struct perf_stat_config *config) "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 < perf_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) { @@ -1157,13 +1177,16 @@ static void print_percore(struct perf_stat_config *config, 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); + &first, -1); } if (metric_only) diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index fb990efa54a8..b4fdfaa7f2c0 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -109,6 +109,7 @@ struct perf_stat_config { bool walltime_run_table; bool all_kernel; bool all_user; + bool percore_show_thread; FILE *output; unsigned int interval; unsigned int timeout; |