Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (470 commits)
  x86: Fix comments of register/stack access functions
  perf tools: Replace %m with %a in sscanf
  hw-breakpoints: Keep track of user disabled breakpoints
  tracing/syscalls: Make syscall events print callbacks static
  tracing: Add DEFINE_EVENT(), DEFINE_SINGLE_EVENT() support to docbook
  perf: Don't free perf_mmap_data until work has been done
  perf_event: Fix compile error
  perf tools: Fix _GNU_SOURCE macro related strndup() build error
  trace_syscalls: Remove unused syscall_name_to_nr()
  trace_syscalls: Simplify syscall profile
  trace_syscalls: Remove duplicate init_enter_##sname()
  trace_syscalls: Add syscall_nr field to struct syscall_metadata
  trace_syscalls: Remove enter_id exit_id
  trace_syscalls: Set event_enter_##sname->data to its metadata
  trace_syscalls: Remove unused event_syscall_enter and event_syscall_exit
  perf_event: Initialize data.period in perf_swevent_hrtimer()
  perf probe: Simplify event naming
  perf probe: Add --list option for listing current probe events
  perf probe: Add argv_split() from lib/argv_split.c
  perf probe: Move probe event utility functions to probe-event.c
  ...

1 files changed, 14 insertions, 63 deletions

diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index a990ace1a83..e79e2f3ccc5 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -99,37 +99,16 @@ struct perf_event_attr;
 #define __SC_TEST6(t6, a6, ...)	__SC_TEST(t6); __SC_TEST5(__VA_ARGS__)
 
 #ifdef CONFIG_EVENT_PROFILE
-#define TRACE_SYS_ENTER_PROFILE(sname)					       \
-static int prof_sysenter_enable_##sname(void)				       \
-{									       \
-	return reg_prof_syscall_enter("sys"#sname);			       \
-}									       \
-									       \
-static void prof_sysenter_disable_##sname(void)				       \
-{									       \
-	unreg_prof_syscall_enter("sys"#sname);				       \
-}
-
-#define TRACE_SYS_EXIT_PROFILE(sname)					       \
-static int prof_sysexit_enable_##sname(void)				       \
-{									       \
-	return reg_prof_syscall_exit("sys"#sname);			       \
-}									       \
-									       \
-static void prof_sysexit_disable_##sname(void)				       \
-{                                                                              \
-	unreg_prof_syscall_exit("sys"#sname);				       \
-}
 
 #define TRACE_SYS_ENTER_PROFILE_INIT(sname)				       \
 	.profile_count = ATOMIC_INIT(-1),				       \
-	.profile_enable = prof_sysenter_enable_##sname,			       \
-	.profile_disable = prof_sysenter_disable_##sname,
+	.profile_enable = prof_sysenter_enable,				       \
+	.profile_disable = prof_sysenter_disable,
 
 #define TRACE_SYS_EXIT_PROFILE_INIT(sname)				       \
 	.profile_count = ATOMIC_INIT(-1),				       \
-	.profile_enable = prof_sysexit_enable_##sname,			       \
-	.profile_disable = prof_sysexit_disable_##sname,
+	.profile_enable = prof_sysexit_enable,				       \
+	.profile_disable = prof_sysexit_disable,
 #else
 #define TRACE_SYS_ENTER_PROFILE(sname)
 #define TRACE_SYS_ENTER_PROFILE_INIT(sname)
@@ -153,74 +132,46 @@ static void prof_sysexit_disable_##sname(void)				       \
 #define __SC_STR_TDECL6(t, a, ...)	#t, __SC_STR_TDECL5(__VA_ARGS__)
 
 #define SYSCALL_TRACE_ENTER_EVENT(sname)				\
+	static const struct syscall_metadata __syscall_meta_##sname;	\
 	static struct ftrace_event_call event_enter_##sname;		\
-	struct trace_event enter_syscall_print_##sname = {		\
+	static struct trace_event enter_syscall_print_##sname = {	\
 		.trace                  = print_syscall_enter,		\
 	};								\
-	static int init_enter_##sname(void)				\
-	{								\
-		int num, id;						\
-		num = syscall_name_to_nr("sys"#sname);			\
-		if (num < 0)						\
-			return -ENOSYS;					\
-		id = register_ftrace_event(&enter_syscall_print_##sname);\
-		if (!id)						\
-			return -ENODEV;					\
-		event_enter_##sname.id = id;				\
-		set_syscall_enter_id(num, id);				\
-		INIT_LIST_HEAD(&event_enter_##sname.fields);		\
-		return 0;						\
-	}								\
-	TRACE_SYS_ENTER_PROFILE(sname);					\
 	static struct ftrace_event_call __used				\
 	  __attribute__((__aligned__(4)))				\
 	  __attribute__((section("_ftrace_events")))			\
 	  event_enter_##sname = {					\
 		.name                   = "sys_enter"#sname,		\
 		.system                 = "syscalls",			\
-		.event                  = &event_syscall_enter,		\
-		.raw_init		= init_enter_##sname,		\
+		.event                  = &enter_syscall_print_##sname,	\
+		.raw_init		= init_syscall_trace,		\
 		.show_format		= syscall_enter_format,		\
 		.define_fields		= syscall_enter_define_fields,	\
 		.regfunc		= reg_event_syscall_enter,	\
 		.unregfunc		= unreg_event_syscall_enter,	\
-		.data			= "sys"#sname,			\
+		.data			= (void *)&__syscall_meta_##sname,\
 		TRACE_SYS_ENTER_PROFILE_INIT(sname)			\
 	}
 
 #define SYSCALL_TRACE_EXIT_EVENT(sname)					\
+	static const struct syscall_metadata __syscall_meta_##sname;	\
 	static struct ftrace_event_call event_exit_##sname;		\
-	struct trace_event exit_syscall_print_##sname = {		\
+	static struct trace_event exit_syscall_print_##sname = {	\
 		.trace                  = print_syscall_exit,		\
 	};								\
-	static int init_exit_##sname(void)				\
-	{								\
-		int num, id;						\
-		num = syscall_name_to_nr("sys"#sname);			\
-		if (num < 0)						\
-			return -ENOSYS;					\
-		id = register_ftrace_event(&exit_syscall_print_##sname);\
-		if (!id)						\
-			return -ENODEV;					\
-		event_exit_##sname.id = id;				\
-		set_syscall_exit_id(num, id);				\
-		INIT_LIST_HEAD(&event_exit_##sname.fields);		\
-		return 0;						\
-	}								\
-	TRACE_SYS_EXIT_PROFILE(sname);					\
 	static struct ftrace_event_call __used				\
 	  __attribute__((__aligned__(4)))				\
 	  __attribute__((section("_ftrace_events")))			\
 	  event_exit_##sname = {					\
 		.name                   = "sys_exit"#sname,		\
 		.system                 = "syscalls",			\
-		.event                  = &event_syscall_exit,		\
-		.raw_init		= init_exit_##sname,		\
+		.event                  = &exit_syscall_print_##sname,	\
+		.raw_init		= init_syscall_trace,		\
 		.show_format		= syscall_exit_format,		\
 		.define_fields		= syscall_exit_define_fields,	\
 		.regfunc		= reg_event_syscall_exit,	\
 		.unregfunc		= unreg_event_syscall_exit,	\
-		.data			= "sys"#sname,			\
+		.data			= (void *)&__syscall_meta_##sname,\
 		TRACE_SYS_EXIT_PROFILE_INIT(sname)			\
 	}