[PATCH 40/57] perf tools: Add data arg to cpu_map__build_map callback

From: Jiri Olsa
Date: Fri Oct 16 2015 - 06:48:47 EST

Adding data arg to cpu_map__build_map callback, so we could
pass data along to the callback. It'll be needed in following
patches to retrieve topology info from perf.data.

Link: http://lkml.kernel.org/n/tip-tv914j1vjnexg3fhq0q55h23@xxxxxxxxxxxxxx
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
tools/perf/builtin-stat.c | 14 ++++++++++++--
tools/perf/tests/topology.c | 4 ++--
tools/perf/util/cpumap.c | 15 ++++++++-------
tools/perf/util/cpumap.h | 7 ++++---
tools/perf/util/stat.c | 2 +-
5 files changed, 27 insertions(+), 15 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 417168c314ed..9e51e662c318 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1158,6 +1158,16 @@ static int stat__set_big_num(const struct option *opt __maybe_unused,
return 0;
}

+static int perf_stat__get_socket(struct cpu_map *map, int cpu)
+{
+ return cpu_map__get_socket(map, cpu, NULL);
+}
+
+static int perf_stat__get_core(struct cpu_map *map, int cpu)
+{
+ return cpu_map__get_core(map, cpu, NULL);
+}
+
static int perf_stat_init_aggr_mode(void)
{
switch (stat_config.aggr_mode) {
@@ -1166,14 +1176,14 @@ static int perf_stat_init_aggr_mode(void)
perror("cannot build socket map");
return -1;
}
- aggr_get_id = cpu_map__get_socket;
+ aggr_get_id = perf_stat__get_socket;
break;
case AGGR_CORE:
if (cpu_map__build_core_map(evsel_list->cpus, &aggr_map)) {
perror("cannot build core map");
return -1;
}
- aggr_get_id = cpu_map__get_core;
+ aggr_get_id = perf_stat__get_core;
break;
case AGGR_NONE:
case AGGR_GLOBAL:
diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c
index c3aff53a976a..f5bb096c3bd9 100644
--- a/tools/perf/tests/topology.c
+++ b/tools/perf/tests/topology.c
@@ -73,10 +73,10 @@ static int check_cpu_topology(char *path, struct cpu_map *map)

for (i = 0; i < map->nr; i++) {
TEST_ASSERT_VAL("Core ID doesn't match",
- (session->header.env.cpu[map->map[i]].core_id == (cpu_map__get_core(map, i) & 0xffff)));
+ (session->header.env.cpu[map->map[i]].core_id == (cpu_map__get_core(map, i, NULL) & 0xffff)));

TEST_ASSERT_VAL("Socket ID doesn't match",
- (session->header.env.cpu[map->map[i]].socket_id == cpu_map__get_socket(map, i)));
+ (session->header.env.cpu[map->map[i]].socket_id == cpu_map__get_socket(map, i, NULL)));
}

perf_session__delete(session);
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 6d12c431fb7c..1d6cdbc04a1b 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -300,7 +300,7 @@ int cpu_map__get_socket_id(int cpu)
return ret ?: value;
}

-int cpu_map__get_socket(struct cpu_map *map, int idx)
+int cpu_map__get_socket(struct cpu_map *map, int idx, void *data __maybe_unused)
{
int cpu;

@@ -318,7 +318,8 @@ static int cmp_ids(const void *a, const void *b)
}

int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res,
- int (*f)(struct cpu_map *map, int cpu))
+ int (*f)(struct cpu_map *map, int cpu, void *data),
+ void *data)
{
struct cpu_map *c;
int nr = cpus->nr;
@@ -330,7 +331,7 @@ int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res,
return -1;

for (cpu = 0; cpu < nr; cpu++) {
- s1 = f(cpus, cpu);
+ s1 = f(cpus, cpu, data);
for (s2 = 0; s2 < c->nr; s2++) {
if (s1 == c->map[s2])
break;
@@ -354,7 +355,7 @@ int cpu_map__get_core_id(int cpu)
return ret ?: value;
}

-int cpu_map__get_core(struct cpu_map *map, int idx)
+int cpu_map__get_core(struct cpu_map *map, int idx, void *data)
{
int cpu, s;

@@ -365,7 +366,7 @@ int cpu_map__get_core(struct cpu_map *map, int idx)

cpu = cpu_map__get_core_id(cpu);

- s = cpu_map__get_socket(map, idx);
+ s = cpu_map__get_socket(map, idx, data);
if (s == -1)
return -1;

@@ -380,12 +381,12 @@ int cpu_map__get_core(struct cpu_map *map, int idx)

int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp)
{
- return cpu_map__build_map(cpus, sockp, cpu_map__get_socket);
+ return cpu_map__build_map(cpus, sockp, cpu_map__get_socket, NULL);
}

int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep)
{
- return cpu_map__build_map(cpus, corep, cpu_map__get_core);
+ return cpu_map__build_map(cpus, corep, cpu_map__get_core, NULL);
}

/* setup simple routines to easily access node numbers given a cpu number */
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h
index 5f979cb15d46..71c41b9efabb 100644
--- a/tools/perf/util/cpumap.h
+++ b/tools/perf/util/cpumap.h
@@ -21,9 +21,9 @@ struct cpu_map *cpu_map__new_data(struct cpu_map_data *data);
struct cpu_map *cpu_map__read(FILE *file);
size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
int cpu_map__get_socket_id(int cpu);
-int cpu_map__get_socket(struct cpu_map *map, int idx);
+int cpu_map__get_socket(struct cpu_map *map, int idx, void *data);
int cpu_map__get_core_id(int cpu);
-int cpu_map__get_core(struct cpu_map *map, int idx);
+int cpu_map__get_core(struct cpu_map *map, int idx, void *data);
int cpu_map__build_socket_map(struct cpu_map *cpus, struct cpu_map **sockp);
int cpu_map__build_core_map(struct cpu_map *cpus, struct cpu_map **corep);

@@ -90,5 +90,6 @@ static inline int cpu__get_node(int cpu)
}

int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res,
- int (*f)(struct cpu_map *map, int cpu));
+ int (*f)(struct cpu_map *map, int cpu, void *data),
+ void *data);
#endif /* __PERF_CPUMAP_H */
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 45efa520427a..0480f39c8c4a 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -230,7 +230,7 @@ static int check_per_pkg(struct perf_evsel *counter,
if (!(vals->run && vals->ena))
return 0;

- s = cpu_map__get_socket(cpus, cpu);
+ s = cpu_map__get_socket(cpus, cpu, NULL);
if (s < 0)
return -1;

--
2.4.3

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