FreeBSD/Linux Kernel Cross Reference
sys/mach/pc_sample.h
1 /*
2 * Mach Operating System
3 * Copyright (c) 1993,1992 Carnegie Mellon University
4 * All Rights Reserved.
5 *
6 * Permission to use, copy, modify and distribute this software and its
7 * documentation is hereby granted, provided that both the copyright
8 * notice and this permission notice appear in all copies of the
9 * software, derivative works or modified versions, and any portions
10 * thereof, and that both notices appear in supporting documentation.
11 *
12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
15 *
16 * Carnegie Mellon requests users of this software to return to
17 *
18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
19 * School of Computer Science
20 * Carnegie Mellon University
21 * Pittsburgh PA 15213-3890
22 *
23 * any improvements or extensions that they make and grant Carnegie Mellon
24 * the rights to redistribute these changes.
25 */
26
27 /*
28 * HISTORY
29 * $Log: pc_sample.h,v $
30 * Revision 2.3 93/08/03 12:31:37 mrt
31 * Defined some flavors for sampling.
32 * [93/07/30 10:26:03 bershad]
33 *
34 * Revision 2.2 93/01/24 13:20:55 danner
35 * Added sample_control_t.
36 * [93/01/15 rvb]
37 *
38 * File: mach/pc_sample.h
39 * Author: Brian Bershad
40 * Date: January 1992
41 *
42 * Mach external interface definitions -- file two
43 *
44 */
45
46 #ifndef _MACH_PC_SAMPLE_H_
47 #define _MACH_PC_SAMPLE_H_
48
49 #include <mach/machine/vm_types.h>
50
51
52
53 typedef unsigned sampled_pc_flavor_t;
54
55
56 #define SAMPLED_PC_PERIODIC 0x1 /* default */
57
58
59 #define SAMPLED_PC_VM_ZFILL_FAULTS 0x10
60 #define SAMPLED_PC_VM_REACTIVATION_FAULTS 0x20
61 #define SAMPLED_PC_VM_PAGEIN_FAULTS 0x40
62 #define SAMPLED_PC_VM_COW_FAULTS 0x80
63 #define SAMPLED_PC_VM_FAULTS_ANY 0x100
64 #define SAMPLED_PC_VM_FAULTS \
65 (SAMPLED_PC_VM_ZFILL_FAULTS | \
66 SAMPLED_PC_VM_REACTIVATION_FAULTS |\
67 SAMPLED_PC_VM_PAGEIN_FAULTS |\
68 SAMPLED_PC_VM_COW_FAULTS )
69
70
71
72
73 /*
74 * Control structure.
75 */
76
77
78
79 typedef struct sample_control {
80 vm_offset_t buffer;
81 unsigned int seqno;
82 sampled_pc_flavor_t sampletypes;
83 } sample_control_t;
84
85
86 /*
87 * Definitions for the PC sampling interface.
88 */
89
90 typedef struct sampled_pc {
91 unsigned int id;
92 vm_offset_t pc;
93 sampled_pc_flavor_t sampletype;
94 } sampled_pc_t;
95
96 typedef sampled_pc_t *sampled_pc_array_t;
97 typedef unsigned sampled_pc_seqno_t;
98
99
100 #ifdef KERNEL
101 extern void take_pc_sample();
102 #endif KERNEL
103
104
105 #endif _MACH_PC_SAMPLE_H_
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