diff options
-rw-r--r-- | tools/perf/builtin-stat.c | 7 | ||||
-rw-r--r-- | tools/perf/util/cpumap.c | 6 | ||||
-rw-r--r-- | tools/perf/util/cpumap.h | 2 |
3 files changed, 10 insertions, 5 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index b03b530fe9a6..9053fd4d15a7 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -1458,8 +1458,9 @@ static int perf_stat_init_aggr_mode(void) aggr_cpu_id_get_t get_id = aggr_mode__get_aggr(stat_config.aggr_mode); if (get_id) { + bool needs_sort = stat_config.aggr_mode != AGGR_NONE; stat_config.aggr_map = cpu_aggr_map__new(evsel_list->core.user_requested_cpus, - get_id, /*data=*/NULL); + get_id, /*data=*/NULL, needs_sort); if (!stat_config.aggr_map) { pr_err("cannot build %s map", aggr_mode__string[stat_config.aggr_mode]); return -1; @@ -1674,11 +1675,13 @@ static int perf_stat_init_aggr_mode_file(struct perf_stat *st) { struct perf_env *env = &st->session->header.env; aggr_cpu_id_get_t get_id = aggr_mode__get_aggr_file(stat_config.aggr_mode); + bool needs_sort = stat_config.aggr_mode != AGGR_NONE; if (!get_id) return 0; - stat_config.aggr_map = cpu_aggr_map__new(evsel_list->core.user_requested_cpus, get_id, env); + stat_config.aggr_map = cpu_aggr_map__new(evsel_list->core.user_requested_cpus, + get_id, env, needs_sort); if (!stat_config.aggr_map) { pr_err("cannot build %s map", aggr_mode__string[stat_config.aggr_mode]); return -1; diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c index 60209fe87456..6e3fcf523de9 100644 --- a/tools/perf/util/cpumap.c +++ b/tools/perf/util/cpumap.c @@ -234,7 +234,7 @@ static int aggr_cpu_id__cmp(const void *a_pointer, const void *b_pointer) struct cpu_aggr_map *cpu_aggr_map__new(const struct perf_cpu_map *cpus, aggr_cpu_id_get_t get_id, - void *data) + void *data, bool needs_sort) { int idx; struct perf_cpu cpu; @@ -270,8 +270,10 @@ struct cpu_aggr_map *cpu_aggr_map__new(const struct perf_cpu_map *cpus, if (trimmed_c) c = trimmed_c; } + /* ensure we process id in increasing order */ - qsort(c->map, c->nr, sizeof(struct aggr_cpu_id), aggr_cpu_id__cmp); + if (needs_sort) + qsort(c->map, c->nr, sizeof(struct aggr_cpu_id), aggr_cpu_id__cmp); return c; diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h index b2ff648bc417..da28b3146ef9 100644 --- a/tools/perf/util/cpumap.h +++ b/tools/perf/util/cpumap.h @@ -97,7 +97,7 @@ typedef struct aggr_cpu_id (*aggr_cpu_id_get_t)(struct perf_cpu cpu, void *data) */ struct cpu_aggr_map *cpu_aggr_map__new(const struct perf_cpu_map *cpus, aggr_cpu_id_get_t get_id, - void *data); + void *data, bool needs_sort); bool aggr_cpu_id__equal(const struct aggr_cpu_id *a, const struct aggr_cpu_id *b); bool aggr_cpu_id__is_empty(const struct aggr_cpu_id *a); |