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: src/sys/sys/ktr.h,v 1.32.2.2 2006/01/23 14:56:33 marius Exp $ 30 */ 31 32 /* 33 * Wraparound kernel trace buffer support. 34 */ 35 #ifndef _SYS_KTR_H_ 36 #define _SYS_KTR_H_ 37 38 /* 39 * Trace classes 40 */ 41 #define KTR_GEN 0x00000001 /* General (TR) */ 42 #define KTR_NET 0x00000002 /* Network */ 43 #define KTR_DEV 0x00000004 /* Device driver */ 44 #define KTR_LOCK 0x00000008 /* MP locking */ 45 #define KTR_SMP 0x00000010 /* MP general */ 46 #define KTR_FS 0x00000020 /* Filesystem */ 47 #define KTR_PMAP 0x00000040 /* Pmap tracing */ 48 #define KTR_MALLOC 0x00000080 /* Malloc tracing */ 49 #define KTR_TRAP 0x00000100 /* Trap processing */ 50 #define KTR_INTR 0x00000200 /* Interrupt tracing */ 51 #define KTR_SIG 0x00000400 /* Signal processing */ 52 #define KTR_CLK 0x00000800 /* hardclock verbose */ 53 #define KTR_PROC 0x00001000 /* Process scheduling */ 54 #define KTR_SYSC 0x00002000 /* System call */ 55 #define KTR_INIT 0x00004000 /* System initialization */ 56 #define KTR_KGDB 0x00008000 /* Trace kgdb internals */ 57 #define KTR_IO 0x00010000 /* Upper I/O */ 58 #define KTR_EVH 0x00020000 /* Eventhandler */ 59 #define KTR_VFS 0x00040000 /* VFS events */ 60 #define KTR_VOP 0x00080000 /* Auto-generated vop events */ 61 #define KTR_VM 0x00100000 /* The virtual memory system */ 62 #define KTR_WITNESS 0x00200000 63 #define KTR_RUNQ 0x00400000 /* Run queue */ 64 #define KTR_CONTENTION 0x00800000 /* Lock contention */ 65 #define KTR_UMA 0x01000000 /* UMA slab allocator */ 66 #define KTR_CALLOUT 0x02000000 /* Callouts and timeouts */ 67 #define KTR_GEOM 0x04000000 /* GEOM I/O events */ 68 #define KTR_BUSDMA 0x08000000 /* busdma(9) events */ 69 #define KTR_CRITICAL 0x10000000 /* Critical sections */ 70 #define KTR_SCHED 0x20000000 /* Machine parsed sched info. */ 71 #define KTR_BUF 0x40000000 /* Buffer cache */ 72 #define KTR_ALL 0x7fffffff 73 74 /* 75 * Trace classes which can be assigned to particular use at compile time 76 * These must remain in high 22 as some assembly code counts on it 77 */ 78 #define KTR_CT1 0x01000000 79 #define KTR_CT2 0x02000000 80 #define KTR_CT3 0x04000000 81 #define KTR_CT4 0x08000000 82 #define KTR_CT5 0x10000000 83 #define KTR_CT6 0x20000000 84 #define KTR_CT7 0x40000000 85 #define KTR_CT8 0x80000000 86 87 /* Trace classes to compile in */ 88 #ifdef KTR 89 #ifndef KTR_COMPILE 90 #define KTR_COMPILE (KTR_ALL) 91 #endif 92 #else /* !KTR */ 93 #undef KTR_COMPILE 94 #define KTR_COMPILE 0 95 #endif /* KTR */ 96 97 /* Trace classes that can not be used with KTR_ALQ */ 98 #define KTR_ALQ_MASK (KTR_WITNESS) 99 100 /* 101 * Version number for ktr_entry struct. Increment this when you break binary 102 * compatibility. 103 */ 104 #define KTR_VERSION 2 105 106 #define KTR_PARMS 6 107 108 #ifndef LOCORE 109 110 struct ktr_entry { 111 u_int64_t ktr_timestamp; 112 int ktr_cpu; 113 int ktr_line; 114 const char *ktr_file; 115 const char *ktr_desc; 116 struct thread *ktr_thread; 117 u_long ktr_parms[KTR_PARMS]; 118 }; 119 120 extern int ktr_cpumask; 121 extern int ktr_mask; 122 extern int ktr_entries; 123 extern int ktr_verbose; 124 125 extern volatile int ktr_idx; 126 extern struct ktr_entry ktr_buf[]; 127 128 #ifdef KTR 129 130 #if 0 131 void ktr_tracepoint(u_int mask, const char *file, int line, 132 const char *format, u_long arg1, u_long arg2, u_long arg3, 133 u_long arg4, u_long arg5, u_long arg6); 134 #else 135 extern void driver_printf(const char *format, ...); 136 #define ktr_tracepoint(mask, file, line, format, arg1, arg2, arg3, arg4, arg5, arg6) \ 137 driver_printf("(%s:%i) " format "\n", file, line, arg1, arg2, arg3, arg4, arg5, arg6) 138 #endif 139 140 #define CTR6(m, format, p1, p2, p3, p4, p5, p6) do { \ 141 if (KTR_COMPILE & (m)) \ 142 ktr_tracepoint((m), __FILE__, __LINE__, format, \ 143 (u_long)(p1), (u_long)(p2), (u_long)(p3), \ 144 (u_long)(p4), (u_long)(p5), (u_long)(p6)); \ 145 } while(0) 146 #define CTR0(m, format) CTR6(m, format, 0, 0, 0, 0, 0, 0) 147 #define CTR1(m, format, p1) CTR6(m, format, p1, 0, 0, 0, 0, 0) 148 #define CTR2(m, format, p1, p2) CTR6(m, format, p1, p2, 0, 0, 0, 0) 149 #define CTR3(m, format, p1, p2, p3) CTR6(m, format, p1, p2, p3, 0, 0, 0) 150 #define CTR4(m, format, p1, p2, p3, p4) CTR6(m, format, p1, p2, p3, p4, 0, 0) 151 #define CTR5(m, format, p1, p2, p3, p4, p5) CTR6(m, format, p1, p2, p3, p4, p5, 0) 152 #else /* KTR */ 153 #define CTR0(m, d) 154 #define CTR1(m, d, p1) 155 #define CTR2(m, d, p1, p2) 156 #define CTR3(m, d, p1, p2, p3) 157 #define CTR4(m, d, p1, p2, p3, p4) 158 #define CTR5(m, d, p1, p2, p3, p4, p5) 159 #define CTR6(m, d, p1, p2, p3, p4, p5, p6) 160 #endif /* KTR */ 161 162 #define TR0(d) CTR0(KTR_GEN, d) 163 #define TR1(d, p1) CTR1(KTR_GEN, d, p1) 164 #define TR2(d, p1, p2) CTR2(KTR_GEN, d, p1, p2) 165 #define TR3(d, p1, p2, p3) CTR3(KTR_GEN, d, p1, p2, p3) 166 #define TR4(d, p1, p2, p3, p4) CTR4(KTR_GEN, d, p1, p2, p3, p4) 167 #define TR5(d, p1, p2, p3, p4, p5) CTR5(KTR_GEN, d, p1, p2, p3, p4, p5) 168 #define TR6(d, p1, p2, p3, p4, p5, p6) CTR6(KTR_GEN, d, p1, p2, p3, p4, p5, p6) 169 170 /* 171 * Trace initialization events, similar to CTR with KTR_INIT, but 172 * completely ifdef'ed out if KTR_INIT isn't in KTR_COMPILE (to 173 * save string space, the compiler doesn't optimize out strings 174 * for the conditional ones above). 175 */ 176 #if (KTR_COMPILE & KTR_INIT) != 0 177 #define ITR0(d) CTR0(KTR_INIT, d) 178 #define ITR1(d, p1) CTR1(KTR_INIT, d, p1) 179 #define ITR2(d, p1, p2) CTR2(KTR_INIT, d, p1, p2) 180 #define ITR3(d, p1, p2, p3) CTR3(KTR_INIT, d, p1, p2, p3) 181 #define ITR4(d, p1, p2, p3, p4) CTR4(KTR_INIT, d, p1, p2, p3, p4) 182 #define ITR5(d, p1, p2, p3, p4, p5) CTR5(KTR_INIT, d, p1, p2, p3, p4, p5) 183 #define ITR6(d, p1, p2, p3, p4, p5, p6) CTR6(KTR_INIT, d, p1, p2, p3, p4, p5, p6) 184 #else 185 #define ITR0(d) 186 #define ITR1(d, p1) 187 #define ITR2(d, p1, p2) 188 #define ITR3(d, p1, p2, p3) 189 #define ITR4(d, p1, p2, p3, p4) 190 #define ITR5(d, p1, p2, p3, p4, p5) 191 #define ITR6(d, p1, p2, p3, p4, p5, p6) 192 #endif 193 194 #endif /* !LOCORE */ 195 196 #endif /* !_SYS_KTR_H_ */ 197