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| author | Lai Jiangshan <laijs@cn.fujitsu.com> | 2009-12-01 16:23:30 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-12-01 17:33:28 +0100 |
| commit | 31c16b13349970b2684248c7d8608d2a96ae135d (patch) | |
| tree | 0f0a2bee35f604090b30d6724e13bb2faec8a6a5 /include/linux/syscalls.h | |
| parent | bf56a4ea9f1683c5b223fd3a5dbea23f1fa91c34 (diff) | |
| download | lwn-31c16b13349970b2684248c7d8608d2a96ae135d.tar.gz lwn-31c16b13349970b2684248c7d8608d2a96ae135d.zip | |
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 <laijs@cn.fujitsu.com>
Acked-by: Jason Baron <jbaron@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <4B14D282.7050709@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/syscalls.h')
| -rw-r--r-- | include/linux/syscalls.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 2f7c539ab96d..d3c9fd01a110 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) \ } |