4 files changed, 55 insertions, 0 deletions

diff --git a/include/trace/lockdep.h b/include/trace/lockdep.h
new file mode 100644
index 000000000000..5ca67df87f2a
--- /dev/null
+++ b/include/trace/lockdep.h
@@ -0,0 +1,9 @@
+#ifndef _TRACE_LOCKDEP_H
+#define _TRACE_LOCKDEP_H
+
+#include <linux/lockdep.h>
+#include <linux/tracepoint.h>
+
+#include <trace/lockdep_event_types.h>
+
+#endif
diff --git a/include/trace/lockdep_event_types.h b/include/trace/lockdep_event_types.h
new file mode 100644
index 000000000000..f713d74a82b4
--- /dev/null
+++ b/include/trace/lockdep_event_types.h
@@ -0,0 +1,44 @@
+
+#ifndef TRACE_EVENT_FORMAT
+# error Do not include this file directly.
+# error Unless you know what you are doing.
+#endif
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM lock
+
+#ifdef CONFIG_LOCKDEP
+
+TRACE_FORMAT(lock_acquire,
+        TPPROTO(struct lockdep_map *lock, unsigned int subclass,
+                int trylock, int read, int check,
+                struct lockdep_map *next_lock, unsigned long ip),
+        TPARGS(lock, subclass, trylock, read, check, next_lock, ip),
+        TPFMT("%s%s%s", trylock ? "try " : "",
+                read ? "read " : "", lock->name)
+        );
+
+TRACE_FORMAT(lock_release,
+        TPPROTO(struct lockdep_map *lock, int nested, unsigned long ip),
+        TPARGS(lock, nested, ip),
+        TPFMT("%s", lock->name)
+        );
+
+#ifdef CONFIG_LOCK_STAT
+
+TRACE_FORMAT(lock_contended,
+        TPPROTO(struct lockdep_map *lock, unsigned long ip),
+        TPARGS(lock, ip),
+        TPFMT("%s", lock->name)
+        );
+
+TRACE_FORMAT(lock_acquired,
+        TPPROTO(struct lockdep_map *lock, unsigned long ip),
+        TPARGS(lock, ip),
+        TPFMT("%s", lock->name)
+        );
+
+#endif
+#endif
+
+#undef TRACE_SYSTEM
diff --git a/include/trace/trace_event_types.h b/include/trace/trace_event_types.h
index 33c8ed5ccb6c..df56f5694be6 100644
--- a/include/trace/trace_event_types.h
+++ b/include/trace/trace_event_types.h
@@ -2,3 +2,4 @@
 
 #include <trace/sched_event_types.h>
 #include <trace/irq_event_types.h>
+#include <trace/lockdep_event_types.h>
diff --git a/include/trace/trace_events.h b/include/trace/trace_events.h
index ea2ef2051762..fd13750ca4ba 100644
--- a/include/trace/trace_events.h
+++ b/include/trace/trace_events.h
@@ -2,3 +2,4 @@
 
 #include <trace/sched.h>
 #include <trace/irq.h>
+#include <trace/lockdep.h>