xref: /netbsd-src/sys/external/bsd/drm2/include/linux/tracepoint.h (revision 95a45da1bb946d21443f98be531c59347faff04c)
1 /*	$NetBSD: tracepoint.h,v 1.4 2021/12/19 12:22:10 riastradh Exp $	*/
2 
3 /*-
4  * Copyright (c) 2020 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _LINUX_TRACEPOINT_H_
30 #define _LINUX_TRACEPOINT_H_
31 
32 #include <sys/types.h>
33 
34 #define	TRACE_EVENT(NAME, PROTOTYPE, ARGS, FIELDS, TRACE, PRINT)	      \
35 	static inline void trace_##NAME PROTOTYPE {}
36 
37 #define	TP_PROTO(ARGS...)	(ARGS)
38 
39 #define	DECLARE_EVENT_CLASS(NAME, PROTOTYPE, ARGS, FIELDS, TRACE, PRINT)      \
40 	/* nothing */
41 
42 #define	DEFINE_EVENT(CLASS, NAME, PROTOTYPE, ARGS)			      \
43 	static inline void trace_##NAME PROTOTYPE {}			      \
44 	static inline bool trace_##NAME##_enabled(void) { return false; }
45 
46 #endif	/* _LINUX_TRACEPOINT_H_ */
47