perf cpumap: Add new map type for aggregation

[linux-2.6-microblaze.git] / tools / perf / util / cpumap.c

diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index e05a12b..b18e535 100644 (file)
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -95,6 +95,23 @@ struct perf_cpu_map *perf_cpu_map__empty_new(int nr)
        return cpus;
 }
 
+struct cpu_aggr_map *cpu_aggr_map__empty_new(int nr)
+{
+       struct cpu_aggr_map *cpus = malloc(sizeof(*cpus) + sizeof(int) * nr);
+
+       if (cpus != NULL) {
+               int i;
+
+               cpus->nr = nr;
+               for (i = 0; i < nr; i++)
+                       cpus->map[i] = -1;
+
+               refcount_set(&cpus->refcnt, 1);
+       }
+
+       return cpus;
+}
+
 static int cpu__get_topology_int(int cpu, const char *name, int *value)
 {
        char path[PATH_MAX];