Using perf.data's perf_env data to initialize
aggregate config.
Link: http://lkml.kernel.org/n/tip-p15mtcu2jon85trs37bwo...@git.kernel.org
Signed-off-by: Jiri Olsa <jo...@kernel.org>
---
tools/perf/builtin-stat.c | 91 +++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 91 insertions(+)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 5a5221437208..6e84794cae00 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1194,6 +1194,89 @@ static int perf_stat_init_aggr_mode(void)
return cpus_aggr_map ? 0 : -ENOMEM;
}
+static inline int perf_env__get_cpu(struct perf_env *env, struct cpu_map *map,
int idx)
+{
+ int cpu;
+
+ if (idx > map->nr)
+ return -1;
+
+ cpu = map->map[idx];
+
+ if (cpu >= env->nr_cpus_online)
+ return -1;
+
+ return cpu;
+}
+
+static int perf_env__get_socket(struct cpu_map *map, int idx, void *data)
+{
+ struct perf_env *env = data;
+ int cpu = perf_env__get_cpu(env, map, idx);
+
+ return cpu == -1 ? -1 : env->cpu[cpu].socket_id;
+}
+
+static int perf_env__get_core(struct cpu_map *map, int idx, void *data)
+{
+ struct perf_env *env = data;
+ int cpu = perf_env__get_cpu(env, map, idx);
+
+ return cpu == -1 ? -1 : env->cpu[cpu].core_id;
+}
+
+static int perf_env__build_socket_map(struct perf_env *env, struct cpu_map
*cpus,
+ struct cpu_map **sockp)
+{
+ return cpu_map__build_map(cpus, sockp, perf_env__get_socket, env);
+}
+
+static int perf_env__build_core_map(struct perf_env *env, struct cpu_map *cpus,
+ struct cpu_map **corep)
+{
+ return cpu_map__build_map(cpus, corep, perf_env__get_core, env);
+}
+
+static int perf_stat__get_socket_file(struct cpu_map *map, int idx)
+{
+ return perf_env__get_socket(map, idx, &perf_stat.session->header.env);
+}
+
+static int perf_stat__get_core_file(struct cpu_map *map, int idx)
+{
+ return perf_env__get_core(map, idx, &perf_stat.session->header.env);
+}
+
+static int perf_stat_init_aggr_mode_file(struct perf_stat *stat)
+{
+ struct perf_env *env = &stat->session->header.env;
+
+ switch (stat_config.aggr_mode) {
+ case AGGR_SOCKET:
+ if (perf_env__build_socket_map(env, evsel_list->cpus,
&aggr_map)) {
+ perror("cannot build socket map");
+ return -1;
+ }
+ aggr_get_id = perf_stat__get_socket_file;
+ break;
+ case AGGR_CORE:
+ if (perf_env__build_core_map(env, evsel_list->cpus, &aggr_map))
{
+ perror("cannot build core map");
+ return -1;
+ }
+ aggr_get_id = perf_stat__get_core_file;
+ break;
+ case AGGR_NONE:
+ case AGGR_GLOBAL:
+ case AGGR_THREAD:
+ case AGGR_UNSET:
+ default:
+ break;
+ }
+
+ return 0;
+}
+
/*
* Add default attributes, if there were no attributes specified or
* if -d/--detailed, -d -d or -d -d -d is used:
@@ -1407,7 +1490,15 @@ int process_stat_config_event(struct perf_tool *tool
__maybe_unused,
union perf_event *event,
struct perf_session *session __maybe_unused)
{
+ struct perf_stat *stat = container_of(tool, struct perf_stat, tool);
+
perf_event__read_stat_config(&stat_config, &event->stat_config);
+
+ if (perf_stat.file.is_pipe)
+ perf_stat_init_aggr_mode();
+ else
+ perf_stat_init_aggr_mode_file(stat);
+
return 0;
}
--
2.4.3
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