xref: /illumos-gate/usr/src/lib/smbclnt/libfknsmb/common/sys/ftrace.h (revision 6e6545bfaed3bab9ce836ee82d1abd8f2edba89a)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  *
25  * Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
26  */
27 
28 #ifndef	_SYS_FTRACE_H
29 #define	_SYS_FTRACE_H
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 /*
36  * Constants used by both asm and non-asm code.
37  */
38 
39 /*
40  * Flags determining the state of tracing -
41  *   both for the "ftrace_state" variable, and for the per-CPU variable
42  *   "cpu[N]->cpu_ftrace_state".
43  */
44 #define	FTRACE_READY	0x00000001
45 #define	FTRACE_ENABLED	0x00000002
46 
47 #include <sys/types.h>
48 #include <sys/sdt.h>
49 
50 /*
51  * The record of a single event.
52  * ftrace_record_t;
53  */
54 
55 #define	FTRACE_0(fmt)						\
56 	DTRACE_PROBE1(ftrace0, char *, fmt)
57 #define	FTRACE_1(fmt, d1)					\
58 	DTRACE_PROBE2(ftrace1, char *, fmt, uintptr_t, d1)
59 
60 // #define	FTRACE_START()	ftrace_start()
61 // #define	FTRACE_STOP()	ftrace_stop()
62 
63 #ifdef	__cplusplus
64 }
65 #endif
66 
67 #endif	/* _SYS_FTRACE_H */
68