perf_counter tools: kerneltop: update event_types

Go along with the new perf_event_type ABI.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Paul Mackerras <paulus@samba.org>
Orig-LKML-Reference: <20090330171024.133985461@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

Documentation/perf_counter/kerneltop.c

@@ -1263,8 +1263,8 @@ static void mmap_read(struct mmap_data *md)
 		old += size;
 
 		switch (event->header.type) {
-		case PERF_EVENT_IP:
-		case PERF_EVENT_IP | __PERF_EVENT_TID:
+		case PERF_EVENT_OVERFLOW | __PERF_EVENT_IP:
+		case PERF_EVENT_OVERFLOW | __PERF_EVENT_IP | __PERF_EVENT_TID:
 			process_event(event->ip.ip, md->counter);
 			break;