perf probe: Fix to remove dot suffix from second or latter events

[cascardo/linux.git] / tools / perf / util / env.c

diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index ca1e33a..6af4f7c 100644 (file)
--- a/tools/perf/util/env.c
+++ b/tools/perf/util/env.c
@@ -1,3 +1,4 @@
+#include "cpumap.h"
 #include "env.h"
 #include "util.h"
 
@@ -56,3 +57,30 @@ out_free:
 out_enomem:
        return -ENOMEM;
 }
+
+int perf_env__read_cpu_topology_map(struct perf_env *env)
+{
+       int cpu, nr_cpus;
+
+       if (env->cpu != NULL)
+               return 0;
+
+       if (env->nr_cpus_avail == 0)
+               env->nr_cpus_avail = sysconf(_SC_NPROCESSORS_CONF);
+
+       nr_cpus = env->nr_cpus_avail;
+       if (nr_cpus == -1)
+               return -EINVAL;
+
+       env->cpu = calloc(nr_cpus, sizeof(env->cpu[0]));
+       if (env->cpu == NULL)
+               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->nr_cpus_avail = nr_cpus;
+       return 0;
+}