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 | |