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Commit e6ce7126 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf symbols: Introduce map__is_(kernel,kmodule)() 



To, with members we already have, check if a kernel level map is for the
kernel proper or for a module.

Acked-by: default avatarDavid Ahern <dsahern@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-m5ic7h0z2crmtj7vi1a1rj3b@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent b685ac22

tools/perf/util/map.c

+14 −0
Original line number Diff line number Diff line
@@ -224,6 +224,20 @@ struct map *map__new2(u64 start, struct dso *dso, enum map_type type) 
	return map;

}



/*

 * Use this and __map__is_kmodule() for map instances that are in

 * machine->kmaps, and thus have map->groups->machine all properly set, to

 * disambiguate between the kernel and modules.

 *

 * When the need arises, introduce map__is_{kernel,kmodule)() that

 * checks (map->groups != NULL && map->groups->machine != NULL &&

 * map->dso->kernel) before calling __map__is_{kernel,kmodule}())

 */

bool __map__is_kernel(const struct map *map)

{

	return map->groups->machine->vmlinux_maps[map->type] == map;

}



static void map__exit(struct map *map)

{

	BUG_ON(!RB_EMPTY_NODE(&map->rb_node));

tools/perf/util/map.h

+7 −0
Original line number Diff line number Diff line
@@ -256,4 +256,11 @@ int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map, 
struct map *map_groups__find_by_name(struct map_groups *mg,

				     enum map_type type, const char *name);



bool __map__is_kernel(const struct map *map);



static inline bool __map__is_kmodule(const struct map *map)

{

	return !__map__is_kernel(map);

}



#endif /* __PERF_MAP_H */