diff options
-rw-r--r-- | tools/perf/Documentation/perf-stat.txt | 5 | ||||
-rw-r--r-- | tools/perf/builtin-stat.c | 52 | ||||
-rw-r--r-- | tools/perf/util/cpumap.c | 18 | ||||
-rw-r--r-- | tools/perf/util/cpumap.h | 3 | ||||
-rw-r--r-- | tools/perf/util/stat-display.c | 15 | ||||
-rw-r--r-- | tools/perf/util/stat.c | 1 | ||||
-rw-r--r-- | tools/perf/util/stat.h | 1 |
7 files changed, 95 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index a9af4e440e80..9431b8066fb4 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -217,6 +217,11 @@ core number and the number of online logical processors on that physical process Aggregate counts per monitored threads, when monitoring threads (-t option) or processes (-p option). +--per-node:: +Aggregate counts per NUMA nodes for system-wide mode measurements. This +is a useful mode to detect imbalance between NUMA nodes. To enable this +mode, use --per-node in addition to -a. (system-wide). + -D msecs:: --delay msecs:: After starting the program, wait msecs before measuring. This is useful to diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index c88d4e118409..5964e808d73d 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -792,6 +792,8 @@ static struct option stat_options[] = { "aggregate counts per physical processor core", AGGR_CORE), OPT_SET_UINT(0, "per-thread", &stat_config.aggr_mode, "aggregate counts per thread", AGGR_THREAD), + OPT_SET_UINT(0, "per-node", &stat_config.aggr_mode, + "aggregate counts per numa node", AGGR_NODE), OPT_UINTEGER('D', "delay", &stat_config.initial_delay, "ms to wait before starting measurement after program start"), OPT_CALLBACK_NOOPT(0, "metric-only", &stat_config.metric_only, NULL, @@ -830,6 +832,12 @@ static int perf_stat__get_core(struct perf_stat_config *config __maybe_unused, return cpu_map__get_core(map, cpu, NULL); } +static int perf_stat__get_node(struct perf_stat_config *config __maybe_unused, + struct perf_cpu_map *map, int cpu) +{ + return cpu_map__get_node(map, cpu, NULL); +} + static int perf_stat__get_aggr(struct perf_stat_config *config, aggr_get_id_t get_id, struct perf_cpu_map *map, int idx) { @@ -864,6 +872,12 @@ static int perf_stat__get_core_cached(struct perf_stat_config *config, return perf_stat__get_aggr(config, perf_stat__get_core, map, idx); } +static int perf_stat__get_node_cached(struct perf_stat_config *config, + struct perf_cpu_map *map, int idx) +{ + return perf_stat__get_aggr(config, perf_stat__get_node, map, idx); +} + static bool term_percore_set(void) { struct evsel *counter; @@ -902,6 +916,13 @@ static int perf_stat_init_aggr_mode(void) } stat_config.aggr_get_id = perf_stat__get_core_cached; break; + case AGGR_NODE: + if (cpu_map__build_node_map(evsel_list->core.cpus, &stat_config.aggr_map)) { + perror("cannot build core map"); + return -1; + } + stat_config.aggr_get_id = perf_stat__get_node_cached; + break; case AGGR_NONE: if (term_percore_set()) { if (cpu_map__build_core_map(evsel_list->core.cpus, @@ -1014,6 +1035,13 @@ static int perf_env__get_core(struct perf_cpu_map *map, int idx, void *data) return core; } +static int perf_env__get_node(struct perf_cpu_map *map, int idx, void *data) +{ + int cpu = perf_env__get_cpu(data, map, idx); + + return perf_env__numa_node(data, cpu); +} + static int perf_env__build_socket_map(struct perf_env *env, struct perf_cpu_map *cpus, struct perf_cpu_map **sockp) { @@ -1032,6 +1060,12 @@ static int perf_env__build_core_map(struct perf_env *env, struct perf_cpu_map *c return cpu_map__build_map(cpus, corep, perf_env__get_core, env); } +static int perf_env__build_node_map(struct perf_env *env, struct perf_cpu_map *cpus, + struct perf_cpu_map **nodep) +{ + return cpu_map__build_map(cpus, nodep, perf_env__get_node, env); +} + static int perf_stat__get_socket_file(struct perf_stat_config *config __maybe_unused, struct perf_cpu_map *map, int idx) { @@ -1049,6 +1083,12 @@ static int perf_stat__get_core_file(struct perf_stat_config *config __maybe_unus return perf_env__get_core(map, idx, &perf_stat.session->header.env); } +static int perf_stat__get_node_file(struct perf_stat_config *config __maybe_unused, + struct perf_cpu_map *map, int idx) +{ + return perf_env__get_node(map, idx, &perf_stat.session->header.env); +} + static int perf_stat_init_aggr_mode_file(struct perf_stat *st) { struct perf_env *env = &st->session->header.env; @@ -1075,6 +1115,13 @@ static int perf_stat_init_aggr_mode_file(struct perf_stat *st) } stat_config.aggr_get_id = perf_stat__get_core_file; break; + case AGGR_NODE: + if (perf_env__build_node_map(env, evsel_list->core.cpus, &stat_config.aggr_map)) { + perror("cannot build core map"); + return -1; + } + stat_config.aggr_get_id = perf_stat__get_node_file; + break; case AGGR_NONE: case AGGR_GLOBAL: case AGGR_THREAD: @@ -1622,6 +1669,8 @@ static int __cmd_report(int argc, const char **argv) "aggregate counts per processor die", AGGR_DIE), OPT_SET_UINT(0, "per-core", &perf_stat.aggr_mode, "aggregate counts per physical processor core", AGGR_CORE), + OPT_SET_UINT(0, "per-node", &perf_stat.aggr_mode, + "aggregate counts per numa node", AGGR_NODE), OPT_SET_UINT('A', "no-aggr", &perf_stat.aggr_mode, "disable CPU count aggregation", AGGR_NONE), OPT_END() @@ -1896,6 +1945,9 @@ int cmd_stat(int argc, const char **argv) } } + if (stat_config.aggr_mode == AGGR_NODE) + cpu__setup_cpunode_map(); + if (stat_config.times && interval) interval_count = true; else if (stat_config.times && !interval) { diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c index a22c1114e880..983b7388f22b 100644 --- a/tools/perf/util/cpumap.c +++ b/tools/perf/util/cpumap.c @@ -206,6 +206,11 @@ int cpu_map__get_core_id(int cpu) return ret ?: value; } +int cpu_map__get_node_id(int cpu) +{ + return cpu__get_node(cpu); +} + int cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data) { int cpu, s_die; @@ -235,6 +240,14 @@ int cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data) return (s_die << 16) | (cpu & 0xffff); } +int cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data __maybe_unused) +{ + if (idx < 0 || idx >= map->nr) + return -1; + + return cpu_map__get_node_id(map->map[idx]); +} + int cpu_map__build_socket_map(struct perf_cpu_map *cpus, struct perf_cpu_map **sockp) { return cpu_map__build_map(cpus, sockp, cpu_map__get_socket, NULL); @@ -250,6 +263,11 @@ int cpu_map__build_core_map(struct perf_cpu_map *cpus, struct perf_cpu_map **cor return cpu_map__build_map(cpus, corep, cpu_map__get_core, NULL); } +int cpu_map__build_node_map(struct perf_cpu_map *cpus, struct perf_cpu_map **numap) +{ + return cpu_map__build_map(cpus, numap, cpu_map__get_node, NULL); +} + /* setup simple routines to easily access node numbers given a cpu number */ static int get_max_num(char *path, int *max) { diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h index 2553bef1279d..57943f3685f8 100644 --- a/tools/perf/util/cpumap.h +++ b/tools/perf/util/cpumap.h @@ -20,9 +20,12 @@ int cpu_map__get_die_id(int cpu); int cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data); int cpu_map__get_core_id(int cpu); int cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data); +int cpu_map__get_node_id(int cpu); +int cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data); int cpu_map__build_socket_map(struct perf_cpu_map *cpus, struct perf_cpu_map **sockp); int cpu_map__build_die_map(struct perf_cpu_map *cpus, struct perf_cpu_map **diep); int cpu_map__build_core_map(struct perf_cpu_map *cpus, struct perf_cpu_map **corep); +int cpu_map__build_node_map(struct perf_cpu_map *cpus, struct perf_cpu_map **nodep); const struct perf_cpu_map *cpu_map__online(void); /* thread unsafe */ static inline int cpu_map__socket(struct perf_cpu_map *sock, int s) diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index ed3b0ac2f785..bc31fccc0057 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -100,6 +100,15 @@ static void aggr_printout(struct perf_stat_config *config, nr, config->csv_sep); break; + case AGGR_NODE: + fprintf(config->output, "N%*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", @@ -965,6 +974,11 @@ static void print_interval(struct perf_stat_config *config, 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) @@ -1188,6 +1202,7 @@ perf_evlist__print_counters(struct evlist *evlist, case AGGR_CORE: case AGGR_DIE: case AGGR_SOCKET: + case AGGR_NODE: print_aggr(config, evlist, prefix); break; case AGGR_THREAD: diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index 6822e4ffe224..332cb730785b 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -299,6 +299,7 @@ process_counter_values(struct perf_stat_config *config, struct evsel *evsel, case AGGR_CORE: case AGGR_DIE: case AGGR_SOCKET: + case AGGR_NODE: case AGGR_NONE: if (!evsel->snapshot) perf_evsel__compute_deltas(evsel, cpu, thread, count); diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 081c4a5113c6..bfa9aaf36ce6 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -47,6 +47,7 @@ enum aggr_mode { AGGR_CORE, AGGR_THREAD, AGGR_UNSET, + AGGR_NODE, }; enum { |