1/*-
2 * Copyright (c) 2017 Colin Percival
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef _TSLOG_H_
28#define _TSLOG_H_
29
30#ifdef _KERNEL
31#ifdef TSLOG
32#include <sys/_types.h>
33#include <sys/pcpu.h>
34#endif
35
36#define TS_ENTER 0
37#define TS_EXIT 1
38#define TS_THREAD 2
39#define TS_EVENT 3
40
41#define TSENTER() TSRAW(curthread, TS_ENTER, __func__, NULL)
42#define TSENTER2(x) TSRAW(curthread, TS_ENTER, __func__, x)
43#define TSEXIT() TSRAW(curthread, TS_EXIT, __func__, NULL)
44#define TSEXIT2(x) TSRAW(curthread, TS_EXIT, __func__, x)
45#define TSTHREAD(td, x) TSRAW(td, TS_THREAD, x, NULL)
46#define TSEVENT(x) TSRAW(curthread, TS_EVENT, x, NULL)
47#define TSEVENT2(x, y) TSRAW(curthread, TS_EVENT, x, y)
48#define TSLINE() TSEVENT2(__FILE__, __XSTRING(__LINE__))
49#define TSWAIT(x) TSEVENT2("WAIT", x);
50#define TSUNWAIT(x) TSEVENT2("UNWAIT", x);
51#define TSHOLD(x) TSEVENT2("HOLD", x);
52#define TSRELEASE(x) TSEVENT2("RELEASE", x);
53#define TSFORK(p, pp) TSRAW_USER(p, pp, NULL, NULL)
54#define TSEXEC(p, name) TSRAW_USER(p, (pid_t)(-1), name, NULL)
55#define TSNAMEI(p, name) TSRAW_USER(p, (pid_t)(-1), NULL, name)
56#define TSPROCEXIT(p) TSRAW_USER(p, (pid_t)(-1), NULL, NULL)
57
58#ifdef TSLOG
59#define TSRAW(a, b, c, d) tslog(a, b, c, d)
60void tslog(void *, int, const char *, const char *);
61#define TSRAW_USER(a, b, c, d) tslog_user(a, b, c, d)
62void tslog_user(pid_t, pid_t, const char *, const char *);
63#else
64#define TSRAW(a, b, c, d) /* Timestamp logging disabled */
65#define TSRAW_USER(a, b, c, d) /* Timestamp logging disabled */
66#endif
67
68#endif /* _KERNEL */
69#endif /* _TSLOG_H_ */