perf stat: Add aggr creators that are passed a cpu

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 <james.clark@arm.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Vineet Singh <vineet.singh@intel.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: zhengjun.xing@intel.com
Link: https://lore.kernel.org/r/20220105061351.120843-3-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 87d3eca..49fba2c 100644 (file)
--- 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 a27eeaf..c62d677 100644 (file)
--- 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);