From 1b4262d0d30fa6446ec95e6beccc5dc0a6e2568b Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Tue, 15 Dec 2009 15:39:42 +0800
Subject: [PATCH] --- yaml --- r: 182284 b: refs/heads/master c:
 509e760cd91c831983097ae174cb6c0b8c6c8e6b h: refs/heads/master v: v3

---
 [refs]                             |  2 +-
 trunk/include/linux/ftrace_event.h |  1 +
 trunk/include/trace/ftrace.h       | 28 +++++++++++++++++++++++++++-
 trunk/kernel/trace/trace_export.c  |  7 +++++++
 4 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index ddaffb5ef915..6132a0faa7f6 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 809826a389040e0ad9d646b587bccc0e34691afd
+refs/heads/master: 509e760cd91c831983097ae174cb6c0b8c6c8e6b
diff --git a/trunk/include/linux/ftrace_event.h b/trunk/include/linux/ftrace_event.h
index 2233c98d80df..bd23d8e52f02 100644
--- a/trunk/include/linux/ftrace_event.h
+++ b/trunk/include/linux/ftrace_event.h
@@ -121,6 +121,7 @@ struct ftrace_event_call {
 	int			(*regfunc)(struct ftrace_event_call *);
 	void			(*unregfunc)(struct ftrace_event_call *);
 	int			id;
+	const char		*print_fmt;
 	int			(*raw_init)(struct ftrace_event_call *);
 	int			(*show_format)(struct ftrace_event_call *,
 					       struct trace_seq *);
diff --git a/trunk/include/trace/ftrace.h b/trunk/include/trace/ftrace.h
index c6fe03e902ca..3351d85c83a3 100644
--- a/trunk/include/trace/ftrace.h
+++ b/trunk/include/trace/ftrace.h
@@ -722,8 +722,20 @@ static struct trace_event ftrace_event_type_##call = {			\
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
+#undef __entry
+#define __entry REC
+
+#undef __print_flags
+#undef __print_symbolic
+#undef __get_dynamic_array
+#undef __get_str
+
+#undef TP_printk
+#define TP_printk(fmt, args...) "\"" fmt "\", "  __stringify(args)
+
 #undef DECLARE_EVENT_CLASS
-#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)
+#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
+static const char print_fmt_##call[] = print;
 
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, call, proto, args)			\
@@ -737,6 +749,7 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.raw_init		= trace_event_raw_init,			\
 	.regfunc		= ftrace_raw_reg_event_##call,		\
 	.unregfunc		= ftrace_raw_unreg_event_##call,	\
+	.print_fmt		= print_fmt_##template,			\
 	.show_format		= ftrace_format_##template,		\
 	.define_fields		= ftrace_define_fields_##template,	\
 	_TRACE_PROFILE_INIT(call)					\
@@ -745,6 +758,8 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 #undef DEFINE_EVENT_PRINT
 #define DEFINE_EVENT_PRINT(template, call, proto, args, print)		\
 									\
+static const char print_fmt_##call[] = print;				\
+									\
 static struct ftrace_event_call __used					\
 __attribute__((__aligned__(4)))						\
 __attribute__((section("_ftrace_events"))) event_##call = {		\
@@ -754,6 +769,7 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.raw_init		= trace_event_raw_init,			\
 	.regfunc		= ftrace_raw_reg_event_##call,		\
 	.unregfunc		= ftrace_raw_unreg_event_##call,	\
+	.print_fmt		= print_fmt_##call,			\
 	.show_format		= ftrace_format_##call,			\
 	.define_fields		= ftrace_define_fields_##template,	\
 	_TRACE_PROFILE_INIT(call)					\
@@ -837,6 +853,16 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 
 #ifdef CONFIG_EVENT_PROFILE
 
+#undef __entry
+#define __entry entry
+
+#undef __get_dynamic_array
+#define __get_dynamic_array(field)	\
+		((void *)__entry + (__entry->__data_loc_##field & 0xffff))
+
+#undef __get_str
+#define __get_str(field) (char *)__get_dynamic_array(field)
+
 #undef __perf_addr
 #define __perf_addr(a) __addr = (a)
 
diff --git a/trunk/kernel/trace/trace_export.c b/trunk/kernel/trace/trace_export.c
index 9978a4f40090..95d14b640a66 100644
--- a/trunk/kernel/trace/trace_export.c
+++ b/trunk/kernel/trace/trace_export.c
@@ -203,6 +203,9 @@ static int ftrace_raw_init_event(struct ftrace_event_call *call)
 	return 0;
 }
 
+#undef __entry
+#define __entry REC
+
 #undef __field
 #define __field(type, item)
 
@@ -218,6 +221,9 @@ static int ftrace_raw_init_event(struct ftrace_event_call *call)
 #undef __dynamic_array
 #define __dynamic_array(type, item)
 
+#undef F_printk
+#define F_printk(fmt, args...) #fmt ", "  __stringify(args)
+
 #undef FTRACE_ENTRY
 #define FTRACE_ENTRY(call, struct_name, type, tstruct, print)		\
 									\
@@ -228,6 +234,7 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.id			= type,					\
 	.system			= __stringify(TRACE_SYSTEM),		\
 	.raw_init		= ftrace_raw_init_event,		\
+	.print_fmt		= print,				\
 	.show_format		= ftrace_format_##call,			\
 	.define_fields		= ftrace_define_fields_##call,		\
 };									\