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tracing: Pull up calls to trace_define_common_fields()

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Call trace_define_common_fields() in event_create_dir() only.
This avoids trace events to handle it from their define_fields
callbacks and shrinks the kernel code size:

   text    data     bss     dec     hex filename
5346802 1961864 7103260 14411926         dbe896 vmlinux.o.old
5345151 1961864 7103260 14410275         dbe223 vmlinux.o

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jason Baron <jbaron@redhat.com>
Cc: Masami Hiramatsu <mhiramat@redhat.com>
LKML-Reference: <4B1DC49C.8000107@cn.fujitsu.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
This commit is contained in:
Li Zefan
2009-12-08 11:14:36 +08:00
committed by Frederic Weisbecker
parent 87d9b4e1c5
commit 614a71a26b
6 changed files with 4 additions and 28 deletions
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8
kernel/trace/trace_syscalls.c
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@ -217,10 +217,6 @@ int syscall_enter_define_fields(struct ftrace_event_call *call)
int i;
int offset = offsetof(typeof(trace), args);
ret = trace_define_common_fields(call);
if (ret)
return ret;
ret = trace_define_field(call, SYSCALL_FIELD(int, nr), FILTER_OTHER);
if (ret)
return ret;
@ -241,10 +237,6 @@ int syscall_exit_define_fields(struct ftrace_event_call *call)
struct syscall_trace_exit trace;
int ret;
ret = trace_define_common_fields(call);
if (ret)
return ret;
ret = trace_define_field(call, SYSCALL_FIELD(int, nr), FILTER_OTHER);
if (ret)
return ret;