2 * Copyright (c) 1996 Berkeley Software Design, Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. Berkeley Software Design Inc's name may not be used to endorse or
13 * promote products derived from this software without specific prior
16 * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN INC BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * from BSDI $Id: ktr.h,v 1.10.2.7 2000/03/16 21:44:42 cp Exp $
29 * $FreeBSD: /repoman/r/ncvs/src/sys/sys/ktr.h,v 1.21 2003/03/11 20:07:22 jhb Exp $
30 * $DragonFly: src/sys/sys/ktr.h,v 1.4 2005/03/09 23:26:11 hmp Exp $
34 * Wraparound kernel trace buffer support.
47 #define KTR_GEN 0x00000001 /* General (TR) */
48 #define KTR_NET 0x00000002 /* Network */
49 #define KTR_DEV 0x00000004 /* Device driver */
50 #define KTR_LOCK 0x00000008 /* MP locking */
51 #define KTR_SMP 0x00000010 /* MP general */
52 #define KTR_FS 0x00000020 /* Filesystem */
53 #define KTR_PMAP 0x00000040 /* Pmap tracing */
54 #define KTR_MALLOC 0x00000080 /* Malloc tracing */
55 #define KTR_TRAP 0x00000100 /* Trap processing */
56 #define KTR_INTR 0x00000200 /* Interrupt tracing */
57 #define KTR_SIG 0x00000400 /* Signal processing */
58 #define KTR_CLK 0x00000800 /* hardclock verbose */
59 #define KTR_PROC 0x00001000 /* Process scheduling */
60 #define KTR_SYSC 0x00002000 /* System call */
61 #define KTR_INIT 0x00004000 /* System initialization */
62 #define KTR_KGDB 0x00008000 /* Trace kgdb internals */
63 #define KTR_IO 0x00010000 /* Upper I/O */
64 #define KTR_EVH 0x00020000 /* Eventhandler */
65 #define KTR_NFS 0x00040000 /* NFS */
66 #define KTR_VOP 0x00080000 /* VFS and VNODE ops */
67 #define KTR_VM 0x00100000 /* The virtual memory system */
68 #define KTR_RUNQ 0x00200000 /* Run queue */
69 #define KTR_CONTENTION 0x00800000 /* Lock contention */
70 #define KTR_ALL 0x00ffffff
73 * Trace classes which can be assigned to particular use at compile time
74 * These must remain in high 22 as some assembly code counts on it
76 #define KTR_CT1 0x01000000
77 #define KTR_CT2 0x02000000
78 #define KTR_CT3 0x04000000
79 #define KTR_CT4 0x08000000
80 #define KTR_CT5 0x10000000
81 #define KTR_CT6 0x20000000
82 #define KTR_CT7 0x40000000
83 #define KTR_CT8 0x80000000
85 /* Trace classes to compile in */
87 #define KTR_COMPILE (KTR_ALL)
91 * Version number for ktr_entry struct. Increment this when you break binary
101 u_int64_t ktr_timestamp;
104 const char *ktr_file;
105 const char *ktr_desc;
106 u_long ktr_parms[KTR_PARMS];
109 extern int ktr_cpumask;
111 extern int ktr_entries;
112 extern int ktr_verbose;
114 extern volatile int ktr_idx[MAXCPU];
115 extern struct ktr_entry *ktr_buf[MAXCPU];
121 void ktr_tracepoint(u_int mask, const char *file, int line,
122 const char *format, u_long arg1, u_long arg2, u_long arg3,
123 u_long arg4, u_long arg5, u_long arg6);
125 #define CTR6(m, format, p1, p2, p3, p4, p5, p6) do { \
126 if (KTR_COMPILE & (m)) \
127 ktr_tracepoint((m), __FILE__, __LINE__, format, \
128 (u_long)(p1), (u_long)(p2), (u_long)(p3), \
129 (u_long)(p4), (u_long)(p5), (u_long)(p6)); \
131 #define CTR0(m, format) CTR6(m, format, 0, 0, 0, 0, 0, 0)
132 #define CTR1(m, format, p1) CTR6(m, format, p1, 0, 0, 0, 0, 0)
133 #define CTR2(m, format, p1, p2) CTR6(m, format, p1, p2, 0, 0, 0, 0)
134 #define CTR3(m, format, p1, p2, p3) CTR6(m, format, p1, p2, p3, 0, 0, 0)
135 #define CTR4(m, format, p1, p2, p3, p4) CTR6(m, format, p1, p2, p3, p4, 0, 0)
136 #define CTR5(m, format, p1, p2, p3, p4, p5) CTR6(m, format, p1, p2, p3, p4, p5, 0)
139 #define KTR_COMPILE 0
141 #define CTR1(m, d, p1)
142 #define CTR2(m, d, p1, p2)
143 #define CTR3(m, d, p1, p2, p3)
144 #define CTR4(m, d, p1, p2, p3, p4)
145 #define CTR5(m, d, p1, p2, p3, p4, p5)
146 #define CTR6(m, d, p1, p2, p3, p4, p5, p6)
149 #define TR0(d) CTR0(KTR_GEN, d)
150 #define TR1(d, p1) CTR1(KTR_GEN, d, p1)
151 #define TR2(d, p1, p2) CTR2(KTR_GEN, d, p1, p2)
152 #define TR3(d, p1, p2, p3) CTR3(KTR_GEN, d, p1, p2, p3)
153 #define TR4(d, p1, p2, p3, p4) CTR4(KTR_GEN, d, p1, p2, p3, p4)
154 #define TR5(d, p1, p2, p3, p4, p5) CTR5(KTR_GEN, d, p1, p2, p3, p4, p5)
155 #define TR6(d, p1, p2, p3, p4, p5, p6) CTR6(KTR_GEN, d, p1, p2, p3, p4, p5, p6)
158 * Trace initialization events, similar to CTR with KTR_INIT, but
159 * completely ifdef'ed out if KTR_INIT isn't in KTR_COMPILE (to
160 * save string space, the compiler doesn't optimize out strings
161 * for the conditional ones above).
163 #if (KTR_COMPILE & KTR_INIT) != 0
164 #define ITR0(d) CTR0(KTR_INIT, d)
165 #define ITR1(d, p1) CTR1(KTR_INIT, d, p1)
166 #define ITR2(d, p1, p2) CTR2(KTR_INIT, d, p1, p2)
167 #define ITR3(d, p1, p2, p3) CTR3(KTR_INIT, d, p1, p2, p3)
168 #define ITR4(d, p1, p2, p3, p4) CTR4(KTR_INIT, d, p1, p2, p3, p4)
169 #define ITR5(d, p1, p2, p3, p4, p5) CTR5(KTR_INIT, d, p1, p2, p3, p4, p5)
170 #define ITR6(d, p1, p2, p3, p4, p5, p6) CTR6(KTR_INIT, d, p1, p2, p3, p4, p5, p6)
174 #define ITR2(d, p1, p2)
175 #define ITR3(d, p1, p2, p3)
176 #define ITR4(d, p1, p2, p3, p4)
177 #define ITR5(d, p1, p2, p3, p4, p5)
178 #define ITR6(d, p1, p2, p3, p4, p5, p6)
181 #endif /* !_SYS_KTR_H_ */