| | 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_ */ |
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