[mirror_ubuntu-jammy-kernel.git] / include / trace / events / printk.h

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM printk

#if !defined(_TRACE_PRINTK_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_PRINTK_H

#include <linux/tracepoint.h>

TRACE_EVENT(console,
	TP_PROTO(const char *text, size_t len),

	TP_ARGS(text, len),

	TP_STRUCT__entry(
		__dynamic_array(char, msg, len + 1)
	),

	TP_fast_assign(
		/*
		 * Each trace entry is printed in a new line.
		 * If the msg finishes with '\n', cut it off
		 * to avoid blank lines in the trace.
		 */
		if ((len > 0) && (text[len-1] == '\n'))
			len -= 1;

		memcpy(__get_str(msg), text, len);
		__get_str(msg)[len] = 0;
	),

	TP_printk("%s", __get_str(msg))
);
#endif /* _TRACE_PRINTK_H */

/* This part must be outside protection */
#include <trace/define_trace.h>
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
95100358 JB	2	#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
07c65f4d J	10	TRACE_EVENT(console,
07c65f4d J	11	TP_PROTO(const char *text, size_t len),
95100358	12
07c65f4d	13	TP_ARGS(text, len),
95100358 JB	14
95100358 JB	15	TP_STRUCT__entry(
07c65f4d	16	__dynamic_array(char, msg, len + 1)
95100358 JB	17	),
	18
	19	TP_fast_assign(
78aebca2 DBO	20	/*
	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
752d596b DBO	28	memcpy(__get_str(msg), text, len);
752d596b DBO	29	__get_str(msg)[len] = 0;
95100358 JB	30	),
	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>