1 /* 2 * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ 29 /*- 30 * Copyright (c) 1982, 1986, 1993 31 * The Regents of the University of California. All rights reserved. 32 * 33 * Redistribution and use in source and binary forms, with or without 34 * modification, are permitted provided that the following conditions 35 * are met: 36 * 1. Redistributions of source code must retain the above copyright 37 * notice, this list of conditions and the following disclaimer. 38 * 2. Redistributions in binary form must reproduce the above copyright 39 * notice, this list of conditions and the following disclaimer in the 40 * documentation and/or other materials provided with the distribution. 41 * 3. All advertising materials mentioning features or use of this software 42 * must display the following acknowledgement: 43 * This product includes software developed by the University of 44 * California, Berkeley and its contributors. 45 * 4. Neither the name of the University nor the names of its contributors 46 * may be used to endorse or promote products derived from this software 47 * without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 59 * SUCH DAMAGE. 60 * 61 * @(#)trace.h 8.1 (Berkeley) 6/2/93 62 */ 63 64 #ifndef _SYS_TRACE_H_ 65 #define _SYS_TRACE_H_ 66 67 #include <sys/appleapiopts.h> 68 69 #ifdef __APPLE_API_OBSOLETE 70 /* 71 * File system buffer tracing points; all trace <pack(dev, size), bn> 72 */ 73 #define TR_BREADHIT 0 /* buffer read found in cache */ 74 #define TR_BREADMISS 1 /* buffer read not in cache */ 75 #define TR_BWRITE 2 /* buffer written */ 76 #define TR_BREADHITRA 3 /* buffer read-ahead found in cache */ 77 #define TR_BREADMISSRA 4 /* buffer read-ahead not in cache */ 78 #define TR_XFODMISS 5 /* exe fod read */ 79 #define TR_XFODHIT 6 /* exe fod read */ 80 #define TR_BRELSE 7 /* brelse */ 81 #define TR_BREALLOC 8 /* expand/contract a buffer */ 82 83 /* 84 * Memory allocator trace points; all trace the amount of memory involved 85 */ 86 #define TR_MALL 10 /* memory allocated */ 87 88 /* 89 * Paging trace points: all are <vaddr, pid> 90 */ 91 #define TR_INTRANS 20 /* page intransit block */ 92 #define TR_EINTRANS 21 /* page intransit wait done */ 93 #define TR_FRECLAIM 22 /* reclaim from free list */ 94 #define TR_RECLAIM 23 /* reclaim from loop */ 95 #define TR_XSFREC 24 /* reclaim from free list instead of drum */ 96 #define TR_XIFREC 25 /* reclaim from free list instead of fsys */ 97 #define TR_WAITMEM 26 /* wait for memory in pagein */ 98 #define TR_EWAITMEM 27 /* end memory wait in pagein */ 99 #define TR_ZFOD 28 /* zfod page fault */ 100 #define TR_EXFOD 29 /* exec fod page fault */ 101 #define TR_VRFOD 30 /* vread fod page fault */ 102 #define TR_CACHEFOD 31 /* fod in file system cache */ 103 #define TR_SWAPIN 32 /* drum page fault */ 104 #define TR_PGINDONE 33 /* page in done */ 105 #define TR_SWAPIO 34 /* swap i/o request arrives */ 106 107 /* 108 * System call trace points. 109 */ 110 #define TR_VADVISE 40 /* vadvise occurred with <arg, pid> */ 111 112 /* 113 * Miscellaneous 114 */ 115 #define TR_STAMP 45 /* user said vtrace(VTR_STAMP, value); */ 116 117 /* 118 * This defines the size of the trace flags array. 119 */ 120 #define TR_NFLAGS 100 /* generous */ 121 122 #define TRCSIZ 4096 123 124 /* 125 * Specifications of the vtrace() system call, which takes one argument. 126 */ 127 #define VTRACE 64+51 128 129 #define VTR_DISABLE 0 /* set a trace flag to 0 */ 130 #define VTR_ENABLE 1 /* set a trace flag to 1 */ 131 #define VTR_VALUE 2 /* return value of a trace flag */ 132 #define VTR_UALARM 3 /* set alarm to go off (sig 16) */ 133 /* in specified number of hz */ 134 #define VTR_STAMP 4 /* user specified stamp */ 135 136 #ifdef KERNEL 137 #if TRACE 138 extern struct proc *traceproc; 139 extern int tracewhich, tracebuf[TRCSIZ]; 140 extern u_int tracex; 141 extern char traceflags[TR_NFLAGS]; 142 #define pack(v, b) (((v)->v_mount->mnt_vfsstat.f_fsid.val[0])<<16)|(b) 143 #define trace(a, b, c) { \ 144 if (traceflags[a]) \ 145 trace1(a,b,c); \ 146 } 147 #else 148 #define trace(a, b, c) 149 #endif 150 #endif /* KERNEL */ 151 152 #endif /* __APPLE_API_OBSOLETE */ 153 154 #endif /* !_SYS_TRACE_H_ */ 155