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tracing: Add a helper function for event print functions

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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>
This commit is contained in:
Li Zefan
2013-02-21 10:32:38 +08:00
committed by Steven Rostedt
parent 15693458c4
commit f71130de5c
3 changed files with 38 additions and 19 deletions
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8
include/linux/ftrace_event.h
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@@ -38,6 +38,12 @@ const char *ftrace_print_symbols_seq_u64(struct trace_seq *p,
const char *ftrace_print_hex_seq(struct trace_seq *p,
const unsigned char *buf, int len);
struct trace_iterator;
struct trace_event;
int ftrace_raw_output_prep(struct trace_iterator *iter,
struct trace_event *event);
/*
* The trace entry - the most basic unit of tracing. This is what
* is printed in the end as a single line in the trace output, such as:
@@ -95,8 +101,6 @@ enum trace_iter_flags {
};
struct trace_event;
typedef enum print_line_t (*trace_print_func)(struct trace_iterator *iter,
int flags, struct trace_event *event);