---

yaml --- r: 191212 b: refs/heads/master c: 84b13fd h: refs/heads/master v: v3
git-mirror · Apr 15, 2010 · db49d82 · db49d82
1 parent 33a5cc5
commit db49d82
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Showing 7 changed files with 253 additions and 114 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a0cccc2e8e9fb16cbed3a117b30e3fbac3092ee3
+refs/heads/master: 84b13fd596522db47f9545d5124c30cc00dfdf5a
diff --git a/trunk/include/linux/perf_event.h b/trunk/include/linux/perf_event.h
@@ -589,6 +589,14 @@ enum perf_group_flag {
 	PERF_GROUP_SOFTWARE = 0x1,
 };
 
+#define SWEVENT_HLIST_BITS	8
+#define SWEVENT_HLIST_SIZE	(1 << SWEVENT_HLIST_BITS)
+
+struct swevent_hlist {
+	struct hlist_head	heads[SWEVENT_HLIST_SIZE];
+	struct rcu_head		rcu_head;
+};
+
 /**
  * struct perf_event - performance event kernel representation:
  */
@@ -597,6 +605,7 @@ struct perf_event {
 	struct list_head		group_entry;
 	struct list_head		event_entry;
 	struct list_head		sibling_list;
+	struct hlist_node		hlist_entry;
 	int				nr_siblings;
 	int				group_flags;
 	struct perf_event		*group_leader;
@@ -744,6 +753,9 @@ struct perf_cpu_context {
 	int				active_oncpu;
 	int				max_pertask;
 	int				exclusive;
+	struct swevent_hlist		*swevent_hlist;
+	struct mutex			hlist_mutex;
+	int				hlist_refcount;
 
 	/*
 	 * Recursion avoidance: