2 #define TRACE_SYSTEM printk
4 #if !defined(_TRACE_PRINTK_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_PRINTK_H
7 #include <linux/tracepoint.h>
9 TRACE_EVENT_CONDITION(console
,
10 TP_PROTO(const char *log_buf
, unsigned start
, unsigned end
,
11 unsigned log_buf_len
),
13 TP_ARGS(log_buf
, start
, end
, log_buf_len
),
15 TP_CONDITION(start
!= end
),
18 __dynamic_array(char, msg
, end
- start
+ 1)
22 if ((start
& (log_buf_len
- 1)) > (end
& (log_buf_len
- 1))) {
23 memcpy(__get_dynamic_array(msg
),
24 log_buf
+ (start
& (log_buf_len
- 1)),
25 log_buf_len
- (start
& (log_buf_len
- 1)));
26 memcpy((char *)__get_dynamic_array(msg
) +
27 log_buf_len
- (start
& (log_buf_len
- 1)),
28 log_buf
, end
& (log_buf_len
- 1));
30 memcpy(__get_dynamic_array(msg
),
31 log_buf
+ (start
& (log_buf_len
- 1)),
33 ((char *)__get_dynamic_array(msg
))[end
- start
] = 0;
36 TP_printk("%s", __get_str(msg
))
38 #endif /* _TRACE_PRINTK_H */
40 /* This part must be outside protection */
41 #include <trace/define_trace.h>
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