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authorLi Zefan <lizefan@huawei.com>2013-02-21 10:32:38 +0800
committerSteven Rostedt <rostedt@goodmis.org>2013-03-15 00:34:51 -0400
commitf71130de5c7fba92faf3901784714e37a234c08f (patch)
tree3632ac6de403c726b2ea8bb890f573c9fd6c54bc /include/trace/ftrace.h
parent15693458c4bc0693fd63a50d60f35b628fcf4e29 (diff)
tracing: Add a helper function for event print functions
Move duplicate code in event print functions to a helper function. This shrinks the size of the kernel by ~13K. text data bss dec hex filename 6596137 1743966 10138672 18478775 119f6b7 vmlinux.o.old 6583002 1743849 10138672 18465523 119c2f3 vmlinux.o.new Link: http://lkml.kernel.org/r/51258746.2060304@huawei.com Signed-off-by: Li Zefan <lizefan@huawei.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'include/trace/ftrace.h')
-rw-r--r--include/trace/ftrace.h23
1 files changed, 6 insertions, 17 deletions
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index e5d140a91fd..17a77fcac2a 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -227,29 +227,18 @@ static notrace enum print_line_t \
ftrace_raw_output_##call(struct trace_iterator *iter, int flags, \
struct trace_event *trace_event) \
{ \
- struct ftrace_event_call *event; \
struct trace_seq *s = &iter->seq; \
+ struct trace_seq __maybe_unused *p = &iter->tmp_seq; \
struct ftrace_raw_##call *field; \
- struct trace_entry *entry; \
- struct trace_seq *p = &iter->tmp_seq; \
int ret; \
\
- event = container_of(trace_event, struct ftrace_event_call, \
- event); \
- \
- entry = iter->ent; \
+ field = (typeof(field))iter->ent; \
\
- if (entry->type != event->event.type) { \
- WARN_ON_ONCE(1); \
- return TRACE_TYPE_UNHANDLED; \
- } \
- \
- field = (typeof(field))entry; \
- \
- trace_seq_init(p); \
- ret = trace_seq_printf(s, "%s: ", event->name); \
+ ret = ftrace_raw_output_prep(iter, trace_event); \
if (ret) \
- ret = trace_seq_printf(s, print); \
+ return ret; \
+ \
+ ret = trace_seq_printf(s, print); \
if (!ret) \
return TRACE_TYPE_PARTIAL_LINE; \
\