perf stat aggregation: Add separate die member

[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 5f9e98d..10a5205 100644 (file)
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -139,7 +139,7 @@ struct aggr_cpu_id cpu_map__get_socket(struct perf_cpu_map *map, int idx,
 
        cpu = map->map[idx];
 
-       id.id = cpu_map__get_socket_id(cpu);
+       id.socket = cpu_map__get_socket_id(cpu);
        return id;
 }
 
@@ -150,8 +150,12 @@ static int cmp_aggr_cpu_id(const void *a_pointer, const void *b_pointer)
 
        if (a->id != b->id)
                return a->id - b->id;
-       else
+       else if (a->node != b->node)
                return a->node - b->node;
+       else if (a->socket != b->socket)
+               return a->socket - b->socket;
+       else
+               return a->die - b->die;
 }
 
 int cpu_map__build_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **res,
@@ -196,7 +200,7 @@ int cpu_map__get_die_id(int cpu)
 
 struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data)
 {
-       int cpu, s;
+       int cpu, die;
        struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
 
        if (idx > map->nr)
@@ -204,28 +208,21 @@ struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, void *dat
 
        cpu = map->map[idx];
 
-       id.id = cpu_map__get_die_id(cpu);
+       die = cpu_map__get_die_id(cpu);
        /* There is no die_id on legacy system. */
-       if (id.id == -1)
-               id.id = 0;
-
-       s = cpu_map__get_socket(map, idx, data).id;
-       if (s == -1)
-               return cpu_map__empty_aggr_cpu_id();
+       if (die == -1)
+               die = 0;
 
        /*
-        * Encode socket in bit range 15:8
-        * die_id is relative to socket, and
-        * we need a global id. So we combine
-        * socket + die id
+        * die_id is relative to socket, so start
+        * with the socket ID and then add die to
+        * make a unique ID.
         */
-       if (WARN_ONCE(id.id >> 8, "The die id number is too big.\n"))
-               return cpu_map__empty_aggr_cpu_id();
-
-       if (WARN_ONCE(s >> 8, "The socket id number is too big.\n"))
-               return cpu_map__empty_aggr_cpu_id();
+       id = cpu_map__get_socket(map, idx, data);
+       if (cpu_map__aggr_cpu_id_is_empty(id))
+               return id;
 
-       id.id = (s << 8) | (id.id & 0xff);
+       id.die = die;
        return id;
 }
 
@@ -252,22 +249,19 @@ struct aggr_cpu_id cpu_map__get_core(struct perf_cpu_map *map, int idx, void *da
 
        cpu = cpu_map__get_core_id(cpu);
 
-       /* cpu_map__get_die returns the combination of socket + die id */
+       /* cpu_map__get_die returns a struct with socket and die set*/
        id = cpu_map__get_die(map, idx, data);
        if (cpu_map__aggr_cpu_id_is_empty(id))
                return id;
 
        /*
-        * encode socket in bit range 31:24
-        * encode die id in bit range 23:16
-        * core_id is relative to socket and die,
-        * we need a global id. So we combine
-        * socket + die id + core id
+        * 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
         */
        if (WARN_ONCE(cpu >> 16, "The core id number is too big.\n"))
                return cpu_map__empty_aggr_cpu_id();
 
-       id.id = (id.id << 16) | (cpu & 0xffff);
+       id.id = (cpu & 0xffff);
        return id;
 }
 
@@ -624,20 +618,26 @@ const struct perf_cpu_map *cpu_map__online(void) /* thread unsafe */
 bool cpu_map__compare_aggr_cpu_id(struct aggr_cpu_id a, struct aggr_cpu_id b)
 {
        return a.id == b.id &&
-               a.node == b.node;
+               a.node == b.node &&
+               a.socket == b.socket &&
+               a.die == b.die;
 }
 
 bool cpu_map__aggr_cpu_id_is_empty(struct aggr_cpu_id a)
 {
        return a.id == -1 &&
-               a.node == -1;
+               a.node == -1 &&
+               a.socket == -1 &&
+               a.die == -1;
 }
 
 struct aggr_cpu_id cpu_map__empty_aggr_cpu_id(void)
 {
        struct aggr_cpu_id ret = {
                .id = -1,
-               .node = -1
+               .node = -1,
+               .socket = -1,
+               .die = -1
        };
        return ret;
 }