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From: Ian Rogers To: Andi Kleen , Jiri Olsa , Namhyung Kim , John Garry , Kajol Jain , "Paul A . Clarke" , Arnaldo Carvalho de Melo , Riccardo Mancini , Kan Liang , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Vineet Singh , James Clark , Mathieu Poirier , Suzuki K Poulose , Mike Leach , Leo Yan , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, zhengjun.xing@intel.com Cc: eranian@google.com, Ian Rogers X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211229_232045_335801_0F9FAE47 X-CRM114-Status: GOOD ( 16.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The cpu_map and index can get confused. Add variants of the cpu_map__get routines that are passed a cpu. Make the existing cpu_map__get routines use the new functions with a view to remove them when no longer used. Reviewed-by: James Clark Signed-off-by: Ian Rogers --- tools/perf/util/cpumap.c | 79 +++++++++++++++++++++++----------------- tools/perf/util/cpumap.h | 6 ++- 2 files changed, 51 insertions(+), 34 deletions(-) diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c index 87d3eca9b872..49fba2c53822 100644 --- a/tools/perf/util/cpumap.c +++ b/tools/perf/util/cpumap.c @@ -128,21 +128,23 @@ int cpu_map__get_socket_id(int cpu) return ret ?: value; } -struct aggr_cpu_id cpu_map__get_socket(struct perf_cpu_map *map, int idx, - void *data __maybe_unused) +struct aggr_cpu_id cpu_map__get_socket_aggr_by_cpu(int cpu, void *data __maybe_unused) { - int cpu; struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id(); - if (idx > map->nr) - return id; - - cpu = map->map[idx]; - id.socket = cpu_map__get_socket_id(cpu); return id; } +struct aggr_cpu_id cpu_map__get_socket(struct perf_cpu_map *map, int idx, + void *data) +{ + if (idx < 0 || idx > map->nr) + return cpu_map__empty_aggr_cpu_id(); + + return cpu_map__get_socket_aggr_by_cpu(map->map[idx], data); +} + static int cmp_aggr_cpu_id(const void *a_pointer, const void *b_pointer) { struct aggr_cpu_id *a = (struct aggr_cpu_id *)a_pointer; @@ -200,15 +202,10 @@ int cpu_map__get_die_id(int cpu) return ret ?: value; } -struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data) +struct aggr_cpu_id cpu_map__get_die_aggr_by_cpu(int cpu, void *data) { - int cpu, die; - struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id(); - - if (idx > map->nr) - return id; - - cpu = map->map[idx]; + struct aggr_cpu_id id; + int die; die = cpu_map__get_die_id(cpu); /* There is no die_id on legacy system. */ @@ -220,7 +217,7 @@ struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, void *dat * with the socket ID and then add die to * make a unique ID. */ - id = cpu_map__get_socket(map, idx, data); + id = cpu_map__get_socket_aggr_by_cpu(cpu, data); if (cpu_map__aggr_cpu_id_is_empty(id)) return id; @@ -228,6 +225,15 @@ struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, void *dat return id; } +struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, + void *data) +{ + if (idx < 0 || idx > map->nr) + return cpu_map__empty_aggr_cpu_id(); + + return cpu_map__get_die_aggr_by_cpu(map->map[idx], data); +} + int cpu_map__get_core_id(int cpu) { int value, ret = cpu__get_topology_int(cpu, "core_id", &value); @@ -239,20 +245,13 @@ int cpu_map__get_node_id(int cpu) return cpu__get_node(cpu); } -struct aggr_cpu_id cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data) +struct aggr_cpu_id cpu_map__get_core_aggr_by_cpu(int cpu, void *data) { - int cpu; - struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id(); - - if (idx > map->nr) - return id; - - cpu = map->map[idx]; - - cpu = cpu_map__get_core_id(cpu); + struct aggr_cpu_id id; + int core = cpu_map__get_core_id(cpu); /* cpu_map__get_die returns a struct with socket and die set*/ - id = cpu_map__get_die(map, idx, data); + id = cpu_map__get_die_aggr_by_cpu(cpu, data); if (cpu_map__aggr_cpu_id_is_empty(id)) return id; @@ -260,19 +259,33 @@ struct aggr_cpu_id cpu_map__get_core(struct perf_cpu_map *map, int idx, void *da * core_id is relative to socket and die, we need a global id. * So we combine the result from cpu_map__get_die with the core id */ - id.core = cpu; + id.core = core; return id; + } -struct aggr_cpu_id cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data __maybe_unused) +struct aggr_cpu_id cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data) +{ + if (idx < 0 || idx > map->nr) + return cpu_map__empty_aggr_cpu_id(); + + return cpu_map__get_core_aggr_by_cpu(map->map[idx], data); +} + +struct aggr_cpu_id cpu_map__get_node_aggr_by_cpu(int cpu, void *data __maybe_unused) { struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id(); + id.node = cpu_map__get_node_id(cpu); + return id; +} + +struct aggr_cpu_id cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data) +{ if (idx < 0 || idx >= map->nr) - return id; + return cpu_map__empty_aggr_cpu_id(); - id.node = cpu_map__get_node_id(map->map[idx]); - return id; + return cpu_map__get_node_aggr_by_cpu(map->map[idx], data); } int cpu_map__build_socket_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **sockp) diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h index a27eeaf086e8..c62d67704425 100644 --- a/tools/perf/util/cpumap.h +++ b/tools/perf/util/cpumap.h @@ -31,13 +31,17 @@ size_t cpu_map__snprint(struct perf_cpu_map *map, char *buf, size_t size); size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size); size_t cpu_map__fprintf(struct perf_cpu_map *map, FILE *fp); int cpu_map__get_socket_id(int cpu); +struct aggr_cpu_id cpu_map__get_socket_aggr_by_cpu(int cpu, void *data); struct aggr_cpu_id cpu_map__get_socket(struct perf_cpu_map *map, int idx, void *data); int cpu_map__get_die_id(int cpu); +struct aggr_cpu_id cpu_map__get_die_aggr_by_cpu(int cpu, void *data); struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data); int cpu_map__get_core_id(int cpu); +struct aggr_cpu_id cpu_map__get_core_aggr_by_cpu(int cpu, void *data); struct aggr_cpu_id cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data); int cpu_map__get_node_id(int cpu); -struct aggr_cpu_id cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data); +struct aggr_cpu_id cpu_map__get_node_aggr_by_cpu(int cpu, void *data); +struct aggr_cpu_id 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 cpu_aggr_map **sockp); int cpu_map__build_die_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **diep); int cpu_map__build_core_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **corep);