[PATCH perf/core 09/22] perf: Make cpu_map to use refcnt for debug

[Masami Hiramatsu]

Make 'cpu_map' object to use refcnt interface for debug.
This can find refcnt related memory leaks.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com>
---
 tools/perf/util/cpumap.c |   33 +++++++++++++++++----------------
 1 file changed, 17 insertions(+), 16 deletions(-)

diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 10af1e7..cca94d3 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -23,7 +23,7 @@ static struct cpu_map *cpu_map__default_new(void)
                        cpus->map[i] = i;
 
                cpus->nr = nr_cpus;
-               atomic_set(&cpus->refcnt, 1);
+               refcnt__init_as(cpus, refcnt, 1, "cpu_map");
        }
 
        return cpus;
@@ -37,7 +37,7 @@ static struct cpu_map *cpu_map__trim_new(int nr_cpus, int 
*tmp_cpus)
        if (cpus != NULL) {
                cpus->nr = nr_cpus;
                memcpy(cpus->map, tmp_cpus, payload_size);
-               atomic_set(&cpus->refcnt, 1);
+               refcnt__init_as(cpus, refcnt, 1, "cpu_map");
        }
 
        return cpus;
@@ -197,7 +197,7 @@ struct cpu_map *cpu_map__dummy_new(void)
        if (cpus != NULL) {
                cpus->nr = 1;
                cpus->map[0] = -1;
-               atomic_set(&cpus->refcnt, 1);
+               refcnt__init_as(cpus, refcnt, 1, "cpu_map");
        }
 
        return cpus;
@@ -214,32 +214,33 @@ struct cpu_map *cpu_map__empty_new(int nr)
                for (i = 0; i < nr; i++)
                        cpus->map[i] = -1;
 
-               atomic_set(&cpus->refcnt, 1);
+               refcnt__init_as(cpus, refcnt, 1, "cpu_map");
        }
 
        return cpus;
 }
 
-static void cpu_map__delete(struct cpu_map *map)
+static void cpu_map__delete(struct cpu_map *cpus)
 {
-       if (map) {
-               WARN_ONCE(atomic_read(&map->refcnt) != 0,
+       if (cpus) {
+               WARN_ONCE(atomic_read(&cpus->refcnt) != 0,
                          "cpu_map refcnt unbalanced\n");
-               free(map);
+               refcnt__exit(cpus, refcnt);
+               free(cpus);
        }
 }
 
-struct cpu_map *cpu_map__get(struct cpu_map *map)
+struct cpu_map *cpu_map__get(struct cpu_map *cpus)
 {
-       if (map)
-               atomic_inc(&map->refcnt);
-       return map;
+       if (cpus)
+               refcnt__get(cpus, refcnt);
+       return cpus;
 }
 
-void cpu_map__put(struct cpu_map *map)
+void cpu_map__put(struct cpu_map *cpus)
 {
-       if (map && atomic_dec_and_test(&map->refcnt))
-               cpu_map__delete(map);
+       if (cpus && refcnt__put(cpus, refcnt))
+               cpu_map__delete(cpus);
 }
 
 static int cpu__get_topology_int(int cpu, const char *name, int *value)
@@ -302,7 +303,7 @@ int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map 
**res,
        /* ensure we process id in increasing order */
        qsort(c->map, c->nr, sizeof(int), cmp_ids);
 
-       atomic_set(&c->refcnt, 1);
+       refcnt__init_as(c, refcnt, 1, "cpu_map");
        *res = c;
        return 0;
 }

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