linux-kernel - [PATCH 03/16] perf maps: Introduce maps__find_symbol_by

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Date:	Wed, 30 Sep 2015 18:54:58 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Borislav Petkov <bp@...e.de>, David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Stephane Eranian <eranian@...gle.com>,
	Wang Nan <wangnan0@...wei.com>
Subject: [PATCH 03/16] perf maps: Introduce maps__find_symbol_by_name()

From: Arnaldo Carvalho de Melo <acme@...hat.com>

Out of map_groups__find_symbol_by_name(), so that we can turn this later
one first into a call to maps__find_symbol_by_name(MAP__FUNCTION) +
MAP__VARIABLE, and then to just one call, we'll merge MAP__FUNCTION with
MAP__VARIABLE maps, to simplify the code.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Borislav Petkov <bp@...e.de>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Stephane Eranian <eranian@...gle.com>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/n/tip-pvkar0jacqn92g148u9sqttt@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/map.c | 19 +++++++++++++------
 tools/perf/util/map.h |  2 ++
 2 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index b1c475d9b240..622c2c9a1e65 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -553,13 +553,9 @@ struct symbol *map_groups__find_symbol(struct map_groups *mg,
 	return NULL;
 }
 
-struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg,
-					       enum map_type type,
-					       const char *name,
-					       struct map **mapp,
-					       symbol_filter_t filter)
+struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name,
+					 struct map **mapp, symbol_filter_t filter)
 {
-	struct maps *maps = &mg->maps[type];
 	struct symbol *sym;
 	struct rb_node *nd;
 
@@ -583,6 +579,17 @@ out:
 	return sym;
 }
 
+struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg,
+					       enum map_type type,
+					       const char *name,
+					       struct map **mapp,
+					       symbol_filter_t filter)
+{
+	struct symbol *sym = maps__find_symbol_by_name(&mg->maps[type], name, mapp, filter);
+
+	return sym;
+}
+
 int map_groups__find_ams(struct addr_map_symbol *ams, symbol_filter_t filter)
 {
 	if (ams->addr < ams->map->start || ams->addr >= ams->map->end) {
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h
index 57829e89b78b..7309d64ce39e 100644
--- a/tools/perf/util/map.h
+++ b/tools/perf/util/map.h
@@ -190,6 +190,8 @@ void maps__remove(struct maps *maps, struct map *map);
 struct map *maps__find(struct maps *maps, u64 addr);
 struct map *maps__first(struct maps *maps);
 struct map *map__next(struct map *map);
+struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name,
+                                         struct map **mapp, symbol_filter_t filter);
 void map_groups__init(struct map_groups *mg, struct machine *machine);
 void map_groups__exit(struct map_groups *mg);
 int map_groups__clone(struct map_groups *mg,
-- 
2.1.0

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