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
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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 $
33 * Wraparound kernel trace buffer support.
39 /* Requires sys/types.h, sys/time.h, machine/atomic.h, and machine/cpufunc.h */
41 #include <machine/atomic.h>
42 #include <machine/cpufunc.h>
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_LOCKMGR 0x00020000
65 #define KTR_NFS 0x00040000 /* The obvious */
66 #define KTR_VOP 0x00080000 /* The obvious */
67 #define KTR_VM 0x00100000 /* The virtual memory system */
68 #define KTR_WITNESS 0x00200000
69 #define KTR_RUNQ 0x00400000 /* Run queue */
70 #define KTR_ALL 0x007fffff
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 0x010000000
77 #define KTR_CT2 0x020000000
78 #define KTR_CT3 0x040000000
79 #define KTR_CT4 0x080000000
80 #define KTR_CT5 0x100000000
81 #define KTR_CT6 0x200000000
82 #define KTR_CT7 0x400000000
83 #define KTR_CT8 0x800000000
85 /* Trace classes to compile in */
87 #define KTR_COMPILE (KTR_GEN)
95 #define KTRDESCSIZE 80
99 struct timespec ktr_tv;
102 char ktr_desc[KTRDESCSIZE];
103 const char *ktr_filename;
106 const char *ktr_desc;
115 /* These variables are used by gdb to analyse the output */
116 extern int ktr_extend;
118 extern int ktr_cpumask;
120 extern int ktr_entries;
121 extern int ktr_verbose;
123 extern volatile int ktr_idx;
124 extern struct ktr_entry ktr_buf[];
130 void ktr_tracepoint(u_int mask, const char *filename, u_int line,
131 const char *format, ...) __printflike(4, 5);
133 void ktr_tracepoint(u_int mask, const char *format, u_long arg1, u_long arg2,
134 u_long arg3, u_long arg4, u_long arg5);
138 #define CTR(m, format, args...) do { \
139 if (KTR_COMPILE & (m)) \
140 ktr_tracepoint((m), __FILE__, __LINE__, format , ##args); \
143 #define CTR0(m, format) CTR(m, format)
144 #define CTR1(m, format, p1) CTR(m, format, p1)
145 #define CTR2(m, format, p1, p2) CTR(m, format, p1, p2)
146 #define CTR3(m, format, p1, p2, p3) CTR(m, format, p1, p2, p3)
147 #define CTR4(m, format, p1, p2, p3, p4) CTR(m, format, p1, p2, p3, p4)
148 #define CTR5(m, format, p1, p2, p3, p4, p5) \
149 CTR(m, format, p1, p2, p3, p4, p5)
150 #else /* not extended */
151 #define CTR5(m, format, p1, p2, p3, p4, p5) do { \
152 if (KTR_COMPILE & (m)) \
153 ktr_tracepoint((m), format, (u_long)p1, (u_long)p2, \
154 (u_long)p3, (u_long)p4, (u_long)p5); \
156 #define CTR0(m, format) CTR5(m, format, 0, 0, 0, 0, 0)
157 #define CTR1(m, format, p1) CTR5(m, format, p1, 0, 0, 0, 0)
158 #define CTR2(m, format, p1, p2) CTR5(m, format, p1, p2, 0, 0, 0)
159 #define CTR3(m, format, p1, p2, p3) CTR5(m, format, p1, p2, p3, 0, 0)
160 #define CTR4(m, format, p1, p2, p3, p4) CTR5(m, format, p1, p2, p3, p4, 0)
161 #endif /* KTR_EXTEND */
164 #define KTR_COMPILE 0
166 #define CTR1(m, d, p1)
167 #define CTR2(m, d, p1, p2)
168 #define CTR3(m, d, p1, p2, p3)
169 #define CTR4(m, d, p1, p2, p3, p4)
170 #define CTR5(m, d, p1, p2, p3, p4, p5)
173 #define TR0(d) CTR0(KTR_GEN, d)
174 #define TR1(d, p1) CTR1(KTR_GEN, d, p1)
175 #define TR2(d, p1, p2) CTR2(KTR_GEN, d, p1, p2)
176 #define TR3(d, p1, p2, p3) CTR3(KTR_GEN, d, p1, p2, p3)
177 #define TR4(d, p1, p2, p3, p4) CTR4(KTR_GEN, d, p1, p2, p3, p4)
178 #define TR5(d, p1, p2, p3, p4, p5) CTR5(KTR_GEN, d, p1, p2, p3, p4, p5)
181 * Trace initialization events, similar to CTR with KTR_INIT, but
182 * completely ifdef'ed out if KTR_INIT isn't in KTR_COMPILE (to
183 * save string space, the compiler doesn't optimize out strings
184 * for the conditional ones above).
186 #if (KTR_COMPILE & KTR_INIT) != 0
187 #define ITR0(d) CTR0(KTR_INIT, d)
188 #define ITR1(d, p1) CTR1(KTR_INIT, d, p1)
189 #define ITR2(d, p1, p2) CTR2(KTR_INIT, d, p1, p2)
190 #define ITR3(d, p1, p2, p3) CTR3(KTR_INIT, d, p1, p2, p3)
191 #define ITR4(d, p1, p2, p3, p4) CTR4(KTR_INIT, d, p1, p2, p3, p4)
192 #define ITR5(d, p1, p2, p3, p4, p5) CTR5(KTR_INIT, d, p1, p2, p3, p4, p5)
196 #define ITR2(d, p1, p2)
197 #define ITR3(d, p1, p2, p3)
198 #define ITR4(d, p1, p2, p3, p4)
199 #define ITR5(d, p1, p2, p3, p4, p5)
202 #endif /* !_SYS_KTR_H_ */