tracing: Factorize lock events in a lock class

lock_acquired, lock_contended and lock_release now share the
same prototype and format. Let's factorize them into a lock
event class.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: Steven Rostedt <rostedt@goodmis.org>

diff --git a/include/trace/events/lock.h b/include/trace/events/lock.h
index fde4c38..2821b86 100644 (file)
--- a/include/trace/events/lock.h
+++ b/include/trace/events/lock.h
@@ -35,15 +35,15 @@ TRACE_EVENT(lock_acquire,
                  __get_str(name))
 );
 
-TRACE_EVENT(lock_release,
+DECLARE_EVENT_CLASS(lock,
 
        TP_PROTO(struct lockdep_map *lock, unsigned long ip),
 
        TP_ARGS(lock, ip),
 
        TP_STRUCT__entry(
-               __string(name, lock->name)
-               __field(void *, lockdep_addr)
+               __string(       name,   lock->name      )
+               __field(        void *, lockdep_addr    )
        ),
 
        TP_fast_assign(
@@ -51,48 +51,30 @@ TRACE_EVENT(lock_release,
                __entry->lockdep_addr = lock;
        ),
 
-       TP_printk("%p %s",
-                 __entry->lockdep_addr, __get_str(name))
+       TP_printk("%p %s",  __entry->lockdep_addr, __get_str(name))
 );
 
-#ifdef CONFIG_LOCK_STAT
-
-TRACE_EVENT(lock_contended,
+DEFINE_EVENT(lock, lock_release,
 
        TP_PROTO(struct lockdep_map *lock, unsigned long ip),
 
-       TP_ARGS(lock, ip),
-
-       TP_STRUCT__entry(
-               __string(name, lock->name)
-               __field(void *, lockdep_addr)
-       ),
+       TP_ARGS(lock, ip)
+);
 
-       TP_fast_assign(
-               __assign_str(name, lock->name);
-               __entry->lockdep_addr = lock;
-       ),
+#ifdef CONFIG_LOCK_STAT
 
-       TP_printk("%p %s",
-                 __entry->lockdep_addr, __get_str(name))
-);
+DEFINE_EVENT(lock, lock_contended,
 
-TRACE_EVENT(lock_acquired,
        TP_PROTO(struct lockdep_map *lock, unsigned long ip),
 
-       TP_ARGS(lock, ip),
+       TP_ARGS(lock, ip)
+);
 
-       TP_STRUCT__entry(
-               __string(name, lock->name)
-               __field(void *, lockdep_addr)
-       ),
+DEFINE_EVENT(lock, lock_acquired,
 
-       TP_fast_assign(
-               __assign_str(name, lock->name);
-               __entry->lockdep_addr = lock;
-       ),
-       TP_printk("%p %s", __entry->lockdep_addr,
-                 __get_str(name))
+       TP_PROTO(struct lockdep_map *lock, unsigned long ip),
+
+       TP_ARGS(lock, ip)
 );
 
 #endif