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Note: File does not exist in v3.1.
 1#undef TRACE_SYSTEM
 2#define TRACE_SYSTEM printk
 3
 4#if !defined(_TRACE_PRINTK_H) || defined(TRACE_HEADER_MULTI_READ)
 5#define _TRACE_PRINTK_H
 6
 7#include <linux/tracepoint.h>
 8
 9TRACE_EVENT(console,
10	TP_PROTO(const char *text, size_t len),
11
12	TP_ARGS(text, len),
13
14	TP_STRUCT__entry(
15		__dynamic_array(char, msg, len + 1)
16	),
17
18	TP_fast_assign(
19		/*
20		 * Each trace entry is printed in a new line.
21		 * If the msg finishes with '\n', cut it off
22		 * to avoid blank lines in the trace.
23		 */
24		if ((len > 0) && (text[len-1] == '\n'))
25			len -= 1;
26
27		memcpy(__get_str(msg), text, len);
28		__get_str(msg)[len] = 0;
29	),
30
31	TP_printk("%s", __get_str(msg))
32);
33#endif /* _TRACE_PRINTK_H */
34
35/* This part must be outside protection */
36#include <trace/define_trace.h>