From 4e90e5cc74c6b1c1b9abff8b53cec5be1fb5e839 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Tue, 4 Jan 2022 22:13:19 -0800 Subject: [PATCH] perf cpumap: Remove map from function names that don't use a map Move to the cpu name and document for consistency. Reviewed-by: James Clark Signed-off-by: Ian Rogers Cc: Alexander Shishkin Cc: Andi Kleen Cc: Ingo Molnar Cc: Jiri Olsa Cc: John Garry Cc: Kajol Jain Cc: Kan Liang Cc: Leo Yan Cc: Mark Rutland Cc: Mathieu Poirier Cc: Mike Leach Cc: Namhyung Kim Cc: Paul Clarke Cc: Peter Zijlstra Cc: Riccardo Mancini Cc: Stephane Eranian Cc: Suzuki Poulouse Cc: Vineet Singh Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Cc: zhengjun.xing@intel.com Link: https://lore.kernel.org/r/20220105061351.120843-17-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/cpumap.c | 12 ++++++------ tools/perf/util/cpumap.h | 19 ++++++++++++++++--- tools/perf/util/env.c | 6 +++--- tools/perf/util/stat.c | 4 ++-- 4 files changed, 27 insertions(+), 14 deletions(-) diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c index 1626b09..e0d7f1d 100644 --- a/tools/perf/util/cpumap.c +++ b/tools/perf/util/cpumap.c @@ -126,7 +126,7 @@ static int cpu__get_topology_int(int cpu, const char *name, int *value) return sysfs__read_int(path, value); } -int cpu_map__get_socket_id(int cpu) +int cpu__get_socket_id(int cpu) { int value, ret = cpu__get_topology_int(cpu, "physical_package_id", &value); return ret ?: value; @@ -136,7 +136,7 @@ struct aggr_cpu_id cpu_map__get_socket_aggr_by_cpu(int cpu, void *data __maybe_u { struct aggr_cpu_id id = aggr_cpu_id__empty(); - id.socket = cpu_map__get_socket_id(cpu); + id.socket = cpu__get_socket_id(cpu); return id; } @@ -190,7 +190,7 @@ int cpu_map__build_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **res, return 0; } -int cpu_map__get_die_id(int cpu) +int cpu__get_die_id(int cpu) { int value, ret = cpu__get_topology_int(cpu, "die_id", &value); @@ -202,7 +202,7 @@ struct aggr_cpu_id cpu_map__get_die_aggr_by_cpu(int cpu, void *data) struct aggr_cpu_id id; int die; - die = cpu_map__get_die_id(cpu); + die = cpu__get_die_id(cpu); /* There is no die_id on legacy system. */ if (die == -1) die = 0; @@ -220,7 +220,7 @@ struct aggr_cpu_id cpu_map__get_die_aggr_by_cpu(int cpu, void *data) return id; } -int cpu_map__get_core_id(int cpu) +int cpu__get_core_id(int cpu) { int value, ret = cpu__get_topology_int(cpu, "core_id", &value); return ret ?: value; @@ -229,7 +229,7 @@ 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 id; - int core = cpu_map__get_core_id(cpu); + int core = cpu__get_core_id(cpu); /* cpu_map__get_die returns a struct with socket and die set*/ id = cpu_map__get_die_aggr_by_cpu(cpu, data); diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h index f849f01..a053bf3 100644 --- a/tools/perf/util/cpumap.h +++ b/tools/perf/util/cpumap.h @@ -39,11 +39,8 @@ struct perf_cpu_map *cpu_map__new_data(struct perf_record_cpu_map_data *data); 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); -int cpu_map__get_die_id(int cpu); struct aggr_cpu_id cpu_map__get_die_aggr_by_cpu(int cpu, 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_node_aggr_by_cpu(int cpu, void *data); int cpu_map__build_socket_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **sockp); @@ -62,6 +59,22 @@ int cpu__max_present_cpu(void); * /sys/devices/system/node/nodeX for the given CPU. */ int cpu__get_node(int cpu); +/** + * cpu__get_socket_id - Returns the socket number as read from + * /sys/devices/system/cpu/cpuX/topology/physical_package_id for the given CPU. + */ +int cpu__get_socket_id(int cpu); +/** + * cpu__get_die_id - Returns the die id as read from + * /sys/devices/system/cpu/cpuX/topology/die_id for the given CPU. + */ +int cpu__get_die_id(int cpu); +/** + * cpu__get_core_id - Returns the core id as read from + * /sys/devices/system/cpu/cpuX/topology/core_id for the given CPU. + */ +int cpu__get_core_id(int cpu); + int cpu_map__build_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **res, struct aggr_cpu_id (*f)(int cpu, void *data), diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c index b990489..fd12c0dc 100644 --- a/tools/perf/util/env.c +++ b/tools/perf/util/env.c @@ -302,9 +302,9 @@ int perf_env__read_cpu_topology_map(struct perf_env *env) return -ENOMEM; for (cpu = 0; cpu < nr_cpus; ++cpu) { - env->cpu[cpu].core_id = cpu_map__get_core_id(cpu); - env->cpu[cpu].socket_id = cpu_map__get_socket_id(cpu); - env->cpu[cpu].die_id = cpu_map__get_die_id(cpu); + env->cpu[cpu].core_id = cpu__get_core_id(cpu); + env->cpu[cpu].socket_id = cpu__get_socket_id(cpu); + env->cpu[cpu].die_id = cpu__get_die_id(cpu); } env->nr_cpus_avail = nr_cpus; diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index 5ed99bc..5c24aca 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -328,7 +328,7 @@ static int check_per_pkg(struct evsel *counter, if (!(vals->run && vals->ena)) return 0; - s = cpu_map__get_socket_id(cpu); + s = cpu__get_socket_id(cpu); if (s < 0) return -1; @@ -336,7 +336,7 @@ static int check_per_pkg(struct evsel *counter, * On multi-die system, die_id > 0. On no-die system, die_id = 0. * We use hashmap(socket, die) to check the used socket+die pair. */ - d = cpu_map__get_die_id(cpu); + d = cpu__get_die_id(cpu); if (d < 0) return -1; -- 2.7.4