From 31c16b13349970b2684248c7d8608d2a96ae135d Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Tue, 1 Dec 2009 16:23:30 +0800 Subject: trace_syscalls: Set event_enter_##sname->data to its metadata Set event_enter_##sname->data to its metadata, it makes codes simpler. Signed-off-by: Lai Jiangshan Acked-by: Jason Baron Cc: Steven Rostedt Cc: Frederic Weisbecker LKML-Reference: <4B14D282.7050709@cn.fujitsu.com> Signed-off-by: Ingo Molnar --- include/linux/syscalls.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'include/linux/syscalls.h') diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 2f7c539ab96..d3c9fd01a11 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -153,6 +153,7 @@ static void prof_sysexit_disable_##sname(struct ftrace_event_call *unused) \ #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 = { \ .trace = print_syscall_enter, \ @@ -184,11 +185,12 @@ static void prof_sysexit_disable_##sname(struct ftrace_event_call *unused) \ .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 = { \ .trace = print_syscall_exit, \ @@ -220,7 +222,7 @@ static void prof_sysexit_disable_##sname(struct ftrace_event_call *unused) \ .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) \ } -- cgit v1.2.3