perf symbols: Create thread__find_addr_map from thread__find_addr_location

Because some tools will only want to know with maps had hits,
not needing the full symbol resolution done by
thread__find_addr_location.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1263519930-22803-3-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2 files changed, 22 insertions, 9 deletions

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 1abaefc126a8..5a6e827a09eb 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -422,11 +422,10 @@ int event__process_task(event_t *self, struct perf_session *session)
         return 0;
 }
 
-void thread__find_addr_location(struct thread *self,
-                                struct perf_session *session, u8 cpumode,
-                                enum map_type type, u64 addr,
-                                struct addr_location *al,
-                                symbol_filter_t filter)
+void thread__find_addr_map(struct thread *self,
+                           struct perf_session *session, u8 cpumode,
+                           enum map_type type, u64 addr,
+                           struct addr_location *al)
 {
         struct map_groups *mg = &self->mg;
 
@@ -441,7 +440,6 @@ void thread__find_addr_location(struct thread *self,
         else {
                 al->level = 'H';
                 al->map = NULL;
-                al->sym = NULL;
                 return;
         }
 try_again:
@@ -460,11 +458,21 @@ try_again:
                         mg = &session->kmaps;
                         goto try_again;
                 }
-                al->sym = NULL;
-        } else {
+        } else
                 al->addr = al->map->map_ip(al->map, al->addr);
+}
+
+void thread__find_addr_location(struct thread *self,
+                                struct perf_session *session, u8 cpumode,
+                                enum map_type type, u64 addr,
+                                struct addr_location *al,
+                                symbol_filter_t filter)
+{
+        thread__find_addr_map(self, session, cpumode, type, addr, al);
+        if (al->map != NULL)
                 al->sym = map__find_symbol(al->map, session, al->addr, filter);
-        }
+        else
+                al->sym = NULL;
 }
 
 static void dso__calc_col_width(struct dso *self)
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index c06c13535a70..e35653c1817c 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -48,6 +48,11 @@ static inline struct map *thread__find_map(struct thread *self,
         return self ? map_groups__find(&self->mg, type, addr) : NULL;
 }
 
+void thread__find_addr_map(struct thread *self,
+                           struct perf_session *session, u8 cpumode,
+                           enum map_type type, u64 addr,
+                           struct addr_location *al);
+
 void thread__find_addr_location(struct thread *self,
                                 struct perf_session *session, u8 cpumode,
                                 enum map_type type, u64 addr,