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authorArnaldo Carvalho de Melo <acme@redhat.com>2018-04-23 17:13:49 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-04-26 13:47:06 -0300
commite94b861a231501e73d786970ed5a1fb3ea643906 (patch)
tree03d5e4ceba24394b2b5f7b14a741870d47ab2c07 /tools/perf/util
parentd88205db9caa0e9d42dde8ff6c2fa0c7b57cd11d (diff)
downloadlwn-e94b861a231501e73d786970ed5a1fb3ea643906.tar.gz
lwn-e94b861a231501e73d786970ed5a1fb3ea643906.zip
perf map: Introduce map__has_symbols()
To further simplify checking if symbols are available for a given map and to reduce the number of users of MAP__{FUNCTION,VARIABLE}. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-iyfoyvbfdti5uehgpjum3qrq@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/map.c5
-rw-r--r--tools/perf/util/map.h2
2 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 8fe57031e1a8..f553e302bf9c 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -259,6 +259,11 @@ bool __map__is_kernel(const struct map *map)
return __machine__kernel_map(map->groups->machine, map->type) == map;
}
+bool map__has_symbols(const struct map *map)
+{
+ return dso__has_symbols(map->dso, map->type);
+}
+
static void map__exit(struct map *map)
{
BUG_ON(!RB_EMPTY_NODE(&map->rb_node));
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h
index 0e9bbe01b0ab..fc91bac8fed0 100644
--- a/tools/perf/util/map.h
+++ b/tools/perf/util/map.h
@@ -264,4 +264,6 @@ static inline bool __map__is_kmodule(const struct map *map)
return !__map__is_kernel(map);
}
+bool map__has_symbols(const struct map *map);
+
#endif /* __PERF_MAP_H */