Merge branch 'tip/tracing/ftrace' of git://git.kernel.org/pub/scm/lin…

…ux/kernel/git/rostedt/linux-2.6-trace into tracing/ftrace

Documentation/tracepoints.txt

@@ -45,8 +45,8 @@ In include/trace/subsys.h :
 #include <linux/tracepoint.h>
 
 DECLARE_TRACE(subsys_eventname,
-	TPPROTO(int firstarg, struct task_struct *p),
-	TPARGS(firstarg, p));
+	TP_PROTO(int firstarg, struct task_struct *p),
+	TP_ARGS(firstarg, p));
 
 In subsys/file.c (where the tracing statement must be added) :
 
@@ -66,10 +66,10 @@ Where :
     - subsys is the name of your subsystem.
     - eventname is the name of the event to trace.
 
-- TPPROTO(int firstarg, struct task_struct *p) is the prototype of the
+- TP_PROTO(int firstarg, struct task_struct *p) is the prototype of the
   function called by this tracepoint.
 
-- TPARGS(firstarg, p) are the parameters names, same as found in the
+- TP_ARGS(firstarg, p) are the parameters names, same as found in the
   prototype.
 
 Connecting a function (probe) to a tracepoint is done by providing a

include/linux/tracepoint.h

@@ -31,8 +31,8 @@ struct tracepoint {
 					 * Keep in sync with vmlinux.lds.h.
 					 */
 
-#define TPPROTO(args...)	args
-#define TPARGS(args...)		args
+#define TP_PROTO(args...)	args
+#define TP_ARGS(args...)		args
 
 #ifdef CONFIG_TRACEPOINTS
 
@@ -65,7 +65,7 @@ struct tracepoint {
 	{								\
 		if (unlikely(__tracepoint_##name.state))		\
 			__DO_TRACE(&__tracepoint_##name,		\
-				TPPROTO(proto), TPARGS(args));		\
+				TP_PROTO(proto), TP_ARGS(args));	\
 	}								\
 	static inline int register_trace_##name(void (*probe)(proto))	\
 	{								\
@@ -157,7 +157,7 @@ static inline void tracepoint_synchronize_unregister(void)
 #define TRACE_FORMAT(name, proto, args, fmt)		\
 	DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
 
-#define TRACE_EVENT_FORMAT(name, proto, args, fmt, struct, tpfmt)	\
-	TRACE_FORMAT(name, PARAMS(proto), PARAMS(args), PARAMS(fmt))
+#define TRACE_EVENT(name, proto, args, struct, print, assign)	\
+	DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
 
 #endif

include/trace/block.h

@@ -5,72 +5,72 @@
 #include <linux/tracepoint.h>
 
 DECLARE_TRACE(block_rq_abort,
-	TPPROTO(struct request_queue *q, struct request *rq),
-		TPARGS(q, rq));
+	TP_PROTO(struct request_queue *q, struct request *rq),
+	      TP_ARGS(q, rq));
 
 DECLARE_TRACE(block_rq_insert,
-	TPPROTO(struct request_queue *q, struct request *rq),
-		TPARGS(q, rq));
+	TP_PROTO(struct request_queue *q, struct request *rq),
+	      TP_ARGS(q, rq));
 
 DECLARE_TRACE(block_rq_issue,
-	TPPROTO(struct request_queue *q, struct request *rq),
-		TPARGS(q, rq));
+	TP_PROTO(struct request_queue *q, struct request *rq),
+	      TP_ARGS(q, rq));
 
 DECLARE_TRACE(block_rq_requeue,
-	TPPROTO(struct request_queue *q, struct request *rq),
-		TPARGS(q, rq));
+	TP_PROTO(struct request_queue *q, struct request *rq),
+	      TP_ARGS(q, rq));
 
 DECLARE_TRACE(block_rq_complete,
-	TPPROTO(struct request_queue *q, struct request *rq),
-		TPARGS(q, rq));
+	TP_PROTO(struct request_queue *q, struct request *rq),
+	      TP_ARGS(q, rq));
 
 DECLARE_TRACE(block_bio_bounce,
-	TPPROTO(struct request_queue *q, struct bio *bio),
-		TPARGS(q, bio));
+	TP_PROTO(struct request_queue *q, struct bio *bio),
+	      TP_ARGS(q, bio));
 
 DECLARE_TRACE(block_bio_complete,
-	TPPROTO(struct request_queue *q, struct bio *bio),
-		TPARGS(q, bio));
+	TP_PROTO(struct request_queue *q, struct bio *bio),
+	      TP_ARGS(q, bio));
 
 DECLARE_TRACE(block_bio_backmerge,
-	TPPROTO(struct request_queue *q, struct bio *bio),
-		TPARGS(q, bio));
+	TP_PROTO(struct request_queue *q, struct bio *bio),
+	      TP_ARGS(q, bio));
 
 DECLARE_TRACE(block_bio_frontmerge,
-	TPPROTO(struct request_queue *q, struct bio *bio),
-		TPARGS(q, bio));
+	TP_PROTO(struct request_queue *q, struct bio *bio),
+	      TP_ARGS(q, bio));
 
 DECLARE_TRACE(block_bio_queue,
-	TPPROTO(struct request_queue *q, struct bio *bio),
-		TPARGS(q, bio));
+	TP_PROTO(struct request_queue *q, struct bio *bio),
+	      TP_ARGS(q, bio));
 
 DECLARE_TRACE(block_getrq,
-	TPPROTO(struct request_queue *q, struct bio *bio, int rw),
-		TPARGS(q, bio, rw));
+	TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
+	      TP_ARGS(q, bio, rw));
 
 DECLARE_TRACE(block_sleeprq,
-	TPPROTO(struct request_queue *q, struct bio *bio, int rw),
-		TPARGS(q, bio, rw));
+	TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
+	      TP_ARGS(q, bio, rw));
 
 DECLARE_TRACE(block_plug,
-	TPPROTO(struct request_queue *q),
-		TPARGS(q));
+	TP_PROTO(struct request_queue *q),
+	      TP_ARGS(q));
 
 DECLARE_TRACE(block_unplug_timer,
-	TPPROTO(struct request_queue *q),
-		TPARGS(q));
+	TP_PROTO(struct request_queue *q),
+	      TP_ARGS(q));
 
 DECLARE_TRACE(block_unplug_io,
-	TPPROTO(struct request_queue *q),
-		TPARGS(q));
+	TP_PROTO(struct request_queue *q),
+	      TP_ARGS(q));
 
 DECLARE_TRACE(block_split,
-	TPPROTO(struct request_queue *q, struct bio *bio, unsigned int pdu),
-		TPARGS(q, bio, pdu));
+	TP_PROTO(struct request_queue *q, struct bio *bio, unsigned int pdu),
+	      TP_ARGS(q, bio, pdu));
 
 DECLARE_TRACE(block_remap,
-	TPPROTO(struct request_queue *q, struct bio *bio, dev_t dev,
-		sector_t from, sector_t to),
-		TPARGS(q, bio, dev, from, to));
+	TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
+		 sector_t from, sector_t to),
+	      TP_ARGS(q, bio, dev, from, to));
 
 #endif

include/trace/irq_event_types.h

@@ -8,26 +8,36 @@
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM irq
 
-TRACE_EVENT_FORMAT(irq_handler_entry,
-	TPPROTO(int irq, struct irqaction *action),
-	TPARGS(irq, action),
-	TPFMT("irq=%d handler=%s", irq, action->name),
-	TRACE_STRUCT(
-		TRACE_FIELD(int, irq, irq)
-	),
-	TPRAWFMT("irq %d")
+/*
+ * Tracepoint for entry of interrupt handler:
+ */
+TRACE_FORMAT(irq_handler_entry,
+	TP_PROTO(int irq, struct irqaction *action),
+	TP_ARGS(irq, action),
+	TP_FMT("irq=%d handler=%s", irq, action->name)
 	);
 
-TRACE_EVENT_FORMAT(irq_handler_exit,
-	TPPROTO(int irq, struct irqaction *action, int ret),
-	TPARGS(irq, action, ret),
-	TPFMT("irq=%d handler=%s return=%s",
-		irq, action->name, ret ? "handled" : "unhandled"),
-	TRACE_STRUCT(
-		TRACE_FIELD(int, irq, irq)
-		TRACE_FIELD(int, ret, ret)
+/*
+ * Tracepoint for return of an interrupt handler:
+ */
+TRACE_EVENT(irq_handler_exit,
+
+	TP_PROTO(int irq, struct irqaction *action, int ret),
+
+	TP_ARGS(irq, action, ret),
+
+	TP_STRUCT__entry(
+		__field(	int,	irq	)
+		__field(	int,	ret	)
 	),
-	TPRAWFMT("irq %d ret %d")
-	);
+
+	TP_printk("irq=%d return=%s",
+		  __entry->irq, __entry->ret ? "handled" : "unhandled"),
+
+	TP_fast_assign(
+		__entry->irq	= irq;
+		__entry->ret	= ret;
+	)
+);
 
 #undef TRACE_SYSTEM

include/trace/lockdep_event_types.h

@@ -1,5 +1,5 @@
 
-#ifndef TRACE_EVENT_FORMAT
+#ifndef TRACE_FORMAT
 # error Do not include this file directly.
 # error Unless you know what you are doing.
 #endif
@@ -10,32 +10,32 @@
 #ifdef CONFIG_LOCKDEP
 
 TRACE_FORMAT(lock_acquire,
-	TPPROTO(struct lockdep_map *lock, unsigned int subclass,
+	TP_PROTO(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 " : "",
+	TP_ARGS(lock, subclass, trylock, read, check, next_lock, ip),
+	TP_FMT("%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)
+	TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),
+	TP_ARGS(lock, nested, ip),
+	TP_FMT("%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)
+	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
+	TP_ARGS(lock, ip),
+	TP_FMT("%s", lock->name)
 	);
 
 TRACE_FORMAT(lock_acquired,
-	TPPROTO(struct lockdep_map *lock, unsigned long ip),
-	TPARGS(lock, ip),
-	TPFMT("%s", lock->name)
+	TP_PROTO(struct lockdep_map *lock, unsigned long ip),
+	TP_ARGS(lock, ip),
+	TP_FMT("%s", lock->name)
 	);
 
 #endif

include/trace/power.h

@@ -18,15 +18,15 @@ struct power_trace {
 };
 
 DECLARE_TRACE(power_start,
-	TPPROTO(struct power_trace *it, unsigned int type, unsigned int state),
-		TPARGS(it, type, state));
+	TP_PROTO(struct power_trace *it, unsigned int type, unsigned int state),
+	      TP_ARGS(it, type, state));
 
 DECLARE_TRACE(power_mark,
-	TPPROTO(struct power_trace *it, unsigned int type, unsigned int state),
-		TPARGS(it, type, state));
+	TP_PROTO(struct power_trace *it, unsigned int type, unsigned int state),
+	      TP_ARGS(it, type, state));
 
 DECLARE_TRACE(power_end,
-	TPPROTO(struct power_trace *it),
-		TPARGS(it));
+	TP_PROTO(struct power_trace *it),
+	      TP_ARGS(it));
 
 #endif /* _TRACE_POWER_H */