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| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-12-08 11:14:36 +0800 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2009-12-13 18:34:23 +0100 |
| commit | 614a71a26ba3d97e9fa85649db69a682b78e407d (patch) | |
| tree | f0e52c9fa62f4e4230bc2ead2449caae3b30ff87 /kernel/trace/trace_events.c | |
| parent | 87d9b4e1c52867a45331a9a5495f6448e0c68b23 (diff) | |
| download | linux-614a71a26ba3d97e9fa85649db69a682b78e407d.tar.gz linux-614a71a26ba3d97e9fa85649db69a682b78e407d.tar.bz2 linux-614a71a26ba3d97e9fa85649db69a682b78e407d.zip | |
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.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 8ed66e0d476b..97b0b3aa166d 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); |