diff options
Diffstat (limited to 'tools/perf/util/cpumap.c')
-rw-r--r-- | tools/perf/util/cpumap.c | 49 |
1 files changed, 37 insertions, 12 deletions
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c index 0581ee0fa5f2..5c329ad614e9 100644 --- a/tools/perf/util/cpumap.c +++ b/tools/perf/util/cpumap.c @@ -180,8 +180,6 @@ struct cpu_aggr_map *cpu_aggr_map__empty_new(int nr) cpus->nr = nr; for (i = 0; i < nr; i++) cpus->map[i] = aggr_cpu_id__empty(); - - refcount_set(&cpus->refcnt, 1); } return cpus; @@ -222,6 +220,8 @@ static int aggr_cpu_id__cmp(const void *a_pointer, const void *b_pointer) return a->socket - b->socket; else if (a->die != b->die) return a->die - b->die; + else if (a->cluster != b->cluster) + return a->cluster - b->cluster; else if (a->cache_lvl != b->cache_lvl) return a->cache_lvl - b->cache_lvl; else if (a->cache != b->cache) @@ -293,7 +293,7 @@ struct aggr_cpu_id aggr_cpu_id__die(struct perf_cpu cpu, void *data) die = cpu__get_die_id(cpu); /* There is no die_id on legacy system. */ - if (die == -1) + if (die < 0) die = 0; /* @@ -309,6 +309,30 @@ struct aggr_cpu_id aggr_cpu_id__die(struct perf_cpu cpu, void *data) return id; } +int cpu__get_cluster_id(struct perf_cpu cpu) +{ + int value, ret = cpu__get_topology_int(cpu.cpu, "cluster_id", &value); + + return ret ?: value; +} + +struct aggr_cpu_id aggr_cpu_id__cluster(struct perf_cpu cpu, void *data) +{ + int cluster = cpu__get_cluster_id(cpu); + struct aggr_cpu_id id; + + /* There is no cluster_id on legacy system. */ + if (cluster < 0) + cluster = 0; + + id = aggr_cpu_id__die(cpu, data); + if (aggr_cpu_id__is_empty(&id)) + return id; + + id.cluster = cluster; + return id; +} + int cpu__get_core_id(struct perf_cpu cpu) { int value, ret = cpu__get_topology_int(cpu.cpu, "core_id", &value); @@ -320,8 +344,8 @@ struct aggr_cpu_id aggr_cpu_id__core(struct perf_cpu cpu, void *data) struct aggr_cpu_id id; int core = cpu__get_core_id(cpu); - /* aggr_cpu_id__die returns a struct with socket and die set. */ - id = aggr_cpu_id__die(cpu, data); + /* aggr_cpu_id__die returns a struct with socket die, and cluster set. */ + id = aggr_cpu_id__cluster(cpu, data); if (aggr_cpu_id__is_empty(&id)) return id; @@ -629,10 +653,10 @@ static char hex_char(unsigned char val) size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size) { - int i, cpu; + int idx; char *ptr = buf; unsigned char *bitmap; - struct perf_cpu last_cpu = perf_cpu_map__cpu(map, perf_cpu_map__nr(map) - 1); + struct perf_cpu c, last_cpu = perf_cpu_map__max(map); if (buf == NULL) return 0; @@ -643,12 +667,10 @@ size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size) return 0; } - for (i = 0; i < perf_cpu_map__nr(map); i++) { - cpu = perf_cpu_map__cpu(map, i).cpu; - bitmap[cpu / 8] |= 1 << (cpu % 8); - } + perf_cpu_map__for_each_cpu(c, idx, map) + bitmap[c.cpu / 8] |= 1 << (c.cpu % 8); - for (cpu = last_cpu.cpu / 4 * 4; cpu >= 0; cpu -= 4) { + for (int cpu = last_cpu.cpu / 4 * 4; cpu >= 0; cpu -= 4) { unsigned char bits = bitmap[cpu / 8]; if (cpu % 8) @@ -683,6 +705,7 @@ bool aggr_cpu_id__equal(const struct aggr_cpu_id *a, const struct aggr_cpu_id *b a->node == b->node && a->socket == b->socket && a->die == b->die && + a->cluster == b->cluster && a->cache_lvl == b->cache_lvl && a->cache == b->cache && a->core == b->core && @@ -695,6 +718,7 @@ bool aggr_cpu_id__is_empty(const struct aggr_cpu_id *a) a->node == -1 && a->socket == -1 && a->die == -1 && + a->cluster == -1 && a->cache_lvl == -1 && a->cache == -1 && a->core == -1 && @@ -708,6 +732,7 @@ struct aggr_cpu_id aggr_cpu_id__empty(void) .node = -1, .socket = -1, .die = -1, + .cluster = -1, .cache_lvl = -1, .cache = -1, .core = -1, |