Merge branch 'tip/perf/core' of...

Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core

include/linux/tracepoint.h

@@ -280,6 +280,12 @@ static inline void tracepoint_synchronize_unregister(void)
  * TRACE_EVENT_FN to perform any (un)registration work.
  */
 
+#define TRACE_EVENT_TEMPLATE(name, proto, args, tstruct, assign, print)
+#define DEFINE_EVENT(template, name, proto, args)		\
+	DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
+#define DEFINE_EVENT_PRINT(template, name, proto, args, print)	\
+	DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
+
 #define TRACE_EVENT(name, proto, args, struct, assign, print)	\
 	DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
 #define TRACE_EVENT_FN(name, proto, args, struct,		\

include/trace/define_trace.h

@@ -31,6 +31,14 @@
 		assign, print, reg, unreg)			\
 	DEFINE_TRACE_FN(name, reg, unreg)
 
+#undef DEFINE_EVENT
+#define DEFINE_EVENT(template, name, proto, args) \
+	DEFINE_TRACE(name)
+
+#undef DEFINE_EVENT_PRINT
+#define DEFINE_EVENT_PRINT(template, name, proto, args, print)	\
+	DEFINE_TRACE(name)
+
 #undef DECLARE_TRACE
 #define DECLARE_TRACE(name, proto, args)	\
 	DEFINE_TRACE(name)
@@ -63,6 +71,9 @@
 
 #undef TRACE_EVENT
 #undef TRACE_EVENT_FN
+#undef TRACE_EVENT_TEMPLATE
+#undef DEFINE_EVENT
+#undef DEFINE_EVENT_PRINT
 #undef TRACE_HEADER_MULTI_READ
 
 /* Only undef what we defined in this file */

include/trace/events/sched.h

@@ -83,7 +83,7 @@ TRACE_EVENT(sched_wait_task,
  * (NOTE: the 'rq' argument is not used by generic trace events,
  *        but used by the latency tracer plugin. )
  */
-TRACE_EVENT(sched_wakeup,
+TRACE_EVENT_TEMPLATE(sched_wakeup_template,
 
 	TP_PROTO(struct rq *rq, struct task_struct *p, int success),
 
@@ -110,38 +110,19 @@ TRACE_EVENT(sched_wakeup,
 		  __entry->success, __entry->target_cpu)
 );
 
+DEFINE_EVENT(sched_wakeup_template, sched_wakeup,
+	     TP_PROTO(struct rq *rq, struct task_struct *p, int success),
+	     TP_ARGS(rq, p, success));
+
 /*
  * Tracepoint for waking up a new task:
  *
  * (NOTE: the 'rq' argument is not used by generic trace events,
  *        but used by the latency tracer plugin. )
  */
-TRACE_EVENT(sched_wakeup_new,
-
+DEFINE_EVENT(sched_wakeup_template, sched_wakeup_new,
 	     TP_PROTO(struct rq *rq, struct task_struct *p, int success),
-
-	TP_ARGS(rq, p, success),
-
-	TP_STRUCT__entry(
-		__array(	char,	comm,	TASK_COMM_LEN	)
-		__field(	pid_t,	pid			)
-		__field(	int,	prio			)
-		__field(	int,	success			)
-		__field(	int,	target_cpu		)
-	),
-
-	TP_fast_assign(
-		memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
-		__entry->pid		= p->pid;
-		__entry->prio		= p->prio;
-		__entry->success	= success;
-		__entry->target_cpu	= task_cpu(p);
-	),
-
-	TP_printk("comm=%s pid=%d prio=%d success=%d target_cpu=%03d",
-		  __entry->comm, __entry->pid, __entry->prio,
-		  __entry->success, __entry->target_cpu)
-);
+	     TP_ARGS(rq, p, success));
 
 /*
  * Tracepoint for task switches, performed by the scheduler:
@@ -216,10 +197,7 @@ TRACE_EVENT(sched_migrate_task,
 		  __entry->orig_cpu, __entry->dest_cpu)
 );
 
-/*
- * Tracepoint for freeing a task:
- */
-TRACE_EVENT(sched_process_free,
+TRACE_EVENT_TEMPLATE(sched_process_template,
 
 	TP_PROTO(struct task_struct *p),
 
@@ -242,29 +220,19 @@ TRACE_EVENT(sched_process_free,
 );
 
 /*
- * Tracepoint for a task exiting:
+ * Tracepoint for freeing a task:
  */
-TRACE_EVENT(sched_process_exit,
-
+DEFINE_EVENT(sched_process_template, sched_process_free,
 	     TP_PROTO(struct task_struct *p),
+	     TP_ARGS(p));
 	     
-	TP_ARGS(p),
 
-	TP_STRUCT__entry(
-		__array(	char,	comm,	TASK_COMM_LEN	)
-		__field(	pid_t,	pid			)
-		__field(	int,	prio			)
-	),
-
-	TP_fast_assign(
-		memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
-		__entry->pid		= p->pid;
-		__entry->prio		= p->prio;
-	),
-
-	TP_printk("comm=%s pid=%d prio=%d",
-		  __entry->comm, __entry->pid, __entry->prio)
-);
+/*
+ * Tracepoint for a task exiting:
+ */
+DEFINE_EVENT(sched_process_template, sched_process_exit,
+	     TP_PROTO(struct task_struct *p),
+	     TP_ARGS(p));
 
 /*
  * Tracepoint for a waiting task:
@@ -348,12 +316,7 @@ TRACE_EVENT(sched_signal_send,
  * XXX the below sched_stat tracepoints only apply to SCHED_OTHER/BATCH/IDLE
  *     adding sched_stat support to SCHED_FIFO/RR would be welcome.
  */
-
-/*
- * Tracepoint for accounting wait time (time the task is runnable
- * but not actually running due to scheduler contention).
- */
-TRACE_EVENT(sched_stat_wait,
+TRACE_EVENT_TEMPLATE(sched_stat_template,
 
 	TP_PROTO(struct task_struct *tsk, u64 delay),
 
@@ -379,97 +342,68 @@ TRACE_EVENT(sched_stat_wait,
 			(unsigned long long)__entry->delay)
 );
 
+
 /*
- * Tracepoint for accounting runtime (time the task is executing
- * on a CPU).
+ * Tracepoint for accounting wait time (time the task is runnable
+ * but not actually running due to scheduler contention).
  */
-TRACE_EVENT(sched_stat_runtime,
-
-	TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
-
-	TP_ARGS(tsk, runtime, vruntime),
-
-	TP_STRUCT__entry(
-		__array( char,	comm,	TASK_COMM_LEN	)
-		__field( pid_t,	pid			)
-		__field( u64,	runtime			)
-		__field( u64,	vruntime			)
-	),
-
-	TP_fast_assign(
-		memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
-		__entry->pid		= tsk->pid;
-		__entry->runtime	= runtime;
-		__entry->vruntime	= vruntime;
-	)
-	TP_perf_assign(
-		__perf_count(runtime);
-	),
-
-	TP_printk("comm=%s pid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
-			__entry->comm, __entry->pid,
-			(unsigned long long)__entry->runtime,
-			(unsigned long long)__entry->vruntime)
-);
+DEFINE_EVENT(sched_stat_template, sched_stat_wait,
+	     TP_PROTO(struct task_struct *tsk, u64 delay),
+	     TP_ARGS(tsk, delay));
 
 /*
  * Tracepoint for accounting sleep time (time the task is not runnable,
  * including iowait, see below).
  */
-TRACE_EVENT(sched_stat_sleep,
-
+DEFINE_EVENT_PRINT(sched_stat_template, sched_stat_sleep,
 		   TP_PROTO(struct task_struct *tsk, u64 delay),
-
 		   TP_ARGS(tsk, delay),
-
-	TP_STRUCT__entry(
-		__array( char,	comm,	TASK_COMM_LEN	)
-		__field( pid_t,	pid			)
-		__field( u64,	delay			)
-	),
-
-	TP_fast_assign(
-		memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
-		__entry->pid	= tsk->pid;
-		__entry->delay	= delay;
-	)
-	TP_perf_assign(
-		__perf_count(delay);
-	),
-
-	TP_printk("comm=%s pid=%d delay=%Lu [ns]",
+		   TP_printk("task: %s:%d sleep: %Lu [ns]",
 			     __entry->comm, __entry->pid,
-			(unsigned long long)__entry->delay)
-);
+			     (unsigned long long)__entry->delay));
 
 /*
  * Tracepoint for accounting iowait time (time the task is not runnable
  * due to waiting on IO to complete).
  */
-TRACE_EVENT(sched_stat_iowait,
-
+DEFINE_EVENT_PRINT(sched_stat_template, sched_stat_iowait,
 		   TP_PROTO(struct task_struct *tsk, u64 delay),
-
 		   TP_ARGS(tsk, delay),
+		   TP_printk("task: %s:%d iowait: %Lu [ns]",
+			     __entry->comm, __entry->pid,
+			     (unsigned long long)__entry->delay));
+
+/*
+ * Tracepoint for accounting runtime (time the task is executing
+ * on a CPU).
+ */
+TRACE_EVENT(sched_stat_runtime,
+
+	TP_PROTO(struct task_struct *tsk, u64 runtime, u64 vruntime),
+
+	TP_ARGS(tsk, runtime, vruntime),
 
 	TP_STRUCT__entry(
 		__array( char,	comm,	TASK_COMM_LEN	)
 		__field( pid_t,	pid			)
-		__field( u64,	delay			)
+		__field( u64,	runtime			)
+		__field( u64,	vruntime			)
 	),
 
 	TP_fast_assign(
 		memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
 		__entry->pid		= tsk->pid;
-		__entry->delay	= delay;
+		__entry->runtime	= runtime;
+		__entry->vruntime	= vruntime;
 	)
 	TP_perf_assign(
-		__perf_count(delay);
+		__perf_count(runtime);
 	),
 
-	TP_printk("comm=%s pid=%d delay=%Lu [ns]",
+	TP_printk("comm=%s pid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
 			__entry->comm, __entry->pid,
-			(unsigned long long)__entry->delay)
+			(unsigned long long)__entry->runtime,
+			(unsigned long long)__entry->vruntime)
 );
 
 #endif /* _TRACE_SCHED_H */