| 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 1.2 2005/02/12 21:09:46 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[MAXCPU]; |
| 114 | extern struct ktr_entry *ktr_buf[MAXCPU]; |
| 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_ */ |