1 /*- 2 * Copyright (c) 1996 Berkeley Software Design, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 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 14 * written permission. 15 * 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 26 * SUCH DAMAGE. 27 * 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 1.1 2004/09/20 20:38:17 eirikn Exp $ 31 */ 32 33 /* 34 * Wraparound kernel trace buffer support. 35 */ 36 37 #ifndef _SYS_KTR_H_ 38 #define _SYS_KTR_H_ 39 40 #include "opt_ktr.h" 41 42 /* 43 * Trace classes 44 */ 45 #define KTR_GEN 0x00000001 /* General (TR) */ 46 #define KTR_NET 0x00000002 /* Network */ 47 #define KTR_DEV 0x00000004 /* Device driver */ 48 #define KTR_LOCK 0x00000008 /* MP locking */ 49 #define KTR_SMP 0x00000010 /* MP general */ 50 #define KTR_FS 0x00000020 /* Filesystem */ 51 #define KTR_PMAP 0x00000040 /* Pmap tracing */ 52 #define KTR_MALLOC 0x00000080 /* Malloc tracing */ 53 #define KTR_TRAP 0x00000100 /* Trap processing */ 54 #define KTR_INTR 0x00000200 /* Interrupt tracing */ 55 #define KTR_SIG 0x00000400 /* Signal processing */ 56 #define KTR_CLK 0x00000800 /* hardclock verbose */ 57 #define KTR_PROC 0x00001000 /* Process scheduling */ 58 #define KTR_SYSC 0x00002000 /* System call */ 59 #define KTR_INIT 0x00004000 /* System initialization */ 60 #define KTR_KGDB 0x00008000 /* Trace kgdb internals */ 61 #define KTR_IO 0x00010000 /* Upper I/O */ 62 #define KTR_EVH 0x00020000 /* Eventhandler */ 63 #define KTR_NFS 0x00040000 /* The obvious */ 64 #define KTR_VOP 0x00080000 /* The obvious */ 65 #define KTR_VM 0x00100000 /* The virtual memory system */ 66 #define KTR_WITNESS 0x00200000 67 #define KTR_RUNQ 0x00400000 /* Run queue */ 68 #define KTR_CONTENTION 0x00800000 /* Lock contention */ 69 #define KTR_ALL 0x00ffffff 70 71 /* 72 * Trace classes which can be assigned to particular use at compile time 73 * These must remain in high 22 as some assembly code counts on it 74 */ 75 #define KTR_CT1 0x01000000 76 #define KTR_CT2 0x02000000 77 #define KTR_CT3 0x04000000 78 #define KTR_CT4 0x08000000 79 #define KTR_CT5 0x10000000 80 #define KTR_CT6 0x20000000 81 #define KTR_CT7 0x40000000 82 #define KTR_CT8 0x80000000 83 84 /* Trace classes to compile in */ 85 #ifndef KTR_COMPILE 86 #define KTR_COMPILE (KTR_ALL) 87 #endif 88 89 /* 90 * Version number for ktr_entry struct. Increment this when you break binary 91 * compatibility. 92 */ 93 #define KTR_VERSION 1 94 95 #define KTR_PARMS 6 96 97 #ifndef LOCORE 98 99 struct ktr_entry { 100 u_int64_t ktr_timestamp; 101 int ktr_cpu; 102 int ktr_line; 103 const char *ktr_file; 104 const char *ktr_desc; 105 u_long ktr_parms[KTR_PARMS]; 106 }; 107 108 extern int ktr_cpumask; 109 extern int ktr_mask; 110 extern int ktr_entries; 111 extern int ktr_verbose; 112 113 extern volatile int ktr_idx; 114 extern struct ktr_entry ktr_buf[]; 115 116 #endif /* !LOCORE */ 117 118 #ifdef KTR 119 120 void ktr_tracepoint(u_int mask, const char *file, int line, 121 const char *format, u_long arg1, u_long arg2, u_long arg3, 122 u_long arg4, u_long arg5, u_long arg6); 123 124 #define CTR6(m, format, p1, p2, p3, p4, p5, p6) do { \ 125 if (KTR_COMPILE & (m)) \ 126 ktr_tracepoint((m), __FILE__, __LINE__, format, \ 127 (u_long)(p1), (u_long)(p2), (u_long)(p3), \ 128 (u_long)(p4), (u_long)(p5), (u_long)(p6)); \ 129 } while(0) 130 #define CTR0(m, format) CTR6(m, format, 0, 0, 0, 0, 0, 0) 131 #define CTR1(m, format, p1) CTR6(m, format, p1, 0, 0, 0, 0, 0) 132 #define CTR2(m, format, p1, p2) CTR6(m, format, p1, p2, 0, 0, 0, 0) 133 #define CTR3(m, format, p1, p2, p3) CTR6(m, format, p1, p2, p3, 0, 0, 0) 134 #define CTR4(m, format, p1, p2, p3, p4) CTR6(m, format, p1, p2, p3, p4, 0, 0) 135 #define CTR5(m, format, p1, p2, p3, p4, p5) CTR6(m, format, p1, p2, p3, p4, p5, 0) 136 #else /* KTR */ 137 #undef KTR_COMPILE 138 #define KTR_COMPILE 0 139 #define CTR0(m, d) 140 #define CTR1(m, d, p1) 141 #define CTR2(m, d, p1, p2) 142 #define CTR3(m, d, p1, p2, p3) 143 #define CTR4(m, d, p1, p2, p3, p4) 144 #define CTR5(m, d, p1, p2, p3, p4, p5) 145 #define CTR6(m, d, p1, p2, p3, p4, p5, p6) 146 #endif /* KTR */ 147 148 #define TR0(d) CTR0(KTR_GEN, d) 149 #define TR1(d, p1) CTR1(KTR_GEN, d, p1) 150 #define TR2(d, p1, p2) CTR2(KTR_GEN, d, p1, p2) 151 #define TR3(d, p1, p2, p3) CTR3(KTR_GEN, d, p1, p2, p3) 152 #define TR4(d, p1, p2, p3, p4) CTR4(KTR_GEN, d, p1, p2, p3, p4) 153 #define TR5(d, p1, p2, p3, p4, p5) CTR5(KTR_GEN, d, p1, p2, p3, p4, p5) 154 #define TR6(d, p1, p2, p3, p4, p5, p6) CTR6(KTR_GEN, d, p1, p2, p3, p4, p5, p6) 155 156 /* 157 * Trace initialization events, similar to CTR with KTR_INIT, but 158 * completely ifdef'ed out if KTR_INIT isn't in KTR_COMPILE (to 159 * save string space, the compiler doesn't optimize out strings 160 * for the conditional ones above). 161 */ 162 #if (KTR_COMPILE & KTR_INIT) != 0 163 #define ITR0(d) CTR0(KTR_INIT, d) 164 #define ITR1(d, p1) CTR1(KTR_INIT, d, p1) 165 #define ITR2(d, p1, p2) CTR2(KTR_INIT, d, p1, p2) 166 #define ITR3(d, p1, p2, p3) CTR3(KTR_INIT, d, p1, p2, p3) 167 #define ITR4(d, p1, p2, p3, p4) CTR4(KTR_INIT, d, p1, p2, p3, p4) 168 #define ITR5(d, p1, p2, p3, p4, p5) CTR5(KTR_INIT, d, p1, p2, p3, p4, p5) 169 #define ITR6(d, p1, p2, p3, p4, p5, p6) CTR6(KTR_INIT, d, p1, p2, p3, p4, p5, p6) 170 #else 171 #define ITR0(d) 172 #define ITR1(d, p1) 173 #define ITR2(d, p1, p2) 174 #define ITR3(d, p1, p2, p3) 175 #define ITR4(d, p1, p2, p3, p4) 176 #define ITR5(d, p1, p2, p3, p4, p5) 177 #define ITR6(d, p1, p2, p3, p4, p5, p6) 178 #endif 179 180 #endif /* !_SYS_KTR_H_ */ 181