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authorLi Zefan <lizf@cn.fujitsu.com>2009-12-08 11:14:36 +0800
committerFrederic Weisbecker <fweisbec@gmail.com>2009-12-13 18:34:23 +0100
commit614a71a26ba3d97e9fa85649db69a682b78e407d (patch)
treef0e52c9fa62f4e4230bc2ead2449caae3b30ff87 /kernel/trace/trace_events.c
parent87d9b4e1c52867a45331a9a5495f6448e0c68b23 (diff)
downloadop-kernel-dev-614a71a26ba3d97e9fa85649db69a682b78e407d.zip
op-kernel-dev-614a71a26ba3d97e9fa85649db69a682b78e407d.tar.gz
tracing: Pull up calls to trace_define_common_fields()
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>
Diffstat (limited to 'kernel/trace/trace_events.c')
-rw-r--r--kernel/trace/trace_events.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 8ed66e0..97b0b3a 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -78,7 +78,7 @@ EXPORT_SYMBOL_GPL(trace_define_field);
if (ret) \
return ret;
-int trace_define_common_fields(struct ftrace_event_call *call)
+static int trace_define_common_fields(struct ftrace_event_call *call)
{
int ret;
struct trace_entry ent;
@@ -91,7 +91,6 @@ int trace_define_common_fields(struct ftrace_event_call *call)
return ret;
}
-EXPORT_SYMBOL_GPL(trace_define_common_fields);
void trace_destroy_fields(struct ftrace_event_call *call)
{
@@ -927,7 +926,9 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events,
id);
if (call->define_fields) {
- ret = call->define_fields(call);
+ ret = trace_define_common_fields(call);
+ if (!ret)
+ ret = call->define_fields(call);
if (ret < 0) {
pr_warning("Could not initialize trace point"
" events/%s\n", call->name);
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