blob: 13d405b2fd8bc6267a8a7483afee5334fd2d2af9 [file] [log] [blame]
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Johannes Berg95100352011-11-24 20:03:08 +01002#undef TRACE_SYSTEM
3#define TRACE_SYSTEM printk
4
5#if !defined(_TRACE_PRINTK_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_PRINTK_H
7
8#include <linux/tracepoint.h>
9
zhangwei(Jovi)07c65f42013-04-29 16:17:16 -070010TRACE_EVENT(console,
11 TP_PROTO(const char *text, size_t len),
Johannes Berg95100352011-11-24 20:03:08 +010012
zhangwei(Jovi)07c65f42013-04-29 16:17:16 -070013 TP_ARGS(text, len),
Johannes Berg95100352011-11-24 20:03:08 +010014
15 TP_STRUCT__entry(
zhangwei(Jovi)07c65f42013-04-29 16:17:16 -070016 __dynamic_array(char, msg, len + 1)
Johannes Berg95100352011-11-24 20:03:08 +010017 ),
18
19 TP_fast_assign(
Daniel Bristot de Oliveira78aebca2016-07-01 20:44:37 -030020 /*
21 * Each trace entry is printed in a new line.
22 * If the msg finishes with '\n', cut it off
23 * to avoid blank lines in the trace.
24 */
25 if ((len > 0) && (text[len-1] == '\n'))
26 len -= 1;
27
Daniel Bristot de Oliveira752d5962016-07-01 20:44:36 -030028 memcpy(__get_str(msg), text, len);
29 __get_str(msg)[len] = 0;
Johannes Berg95100352011-11-24 20:03:08 +010030 ),
31
32 TP_printk("%s", __get_str(msg))
33);
34#endif /* _TRACE_PRINTK_H */
35
36/* This part must be outside protection */
37#include <trace/define_trace.h>