1/*
2 * Copyright (c) 2000-2007 Apple 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/*
29 * @OSF_COPYRIGHT@
30 */
31/*
32 * Mach Operating System
33 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
34 * All Rights Reserved.
35 *
36 * Permission to use, copy, modify and distribute this software and its
37 * documentation is hereby granted, provided that both the copyright
38 * notice and this permission notice appear in all copies of the
39 * software, derivative works or modified versions, and any portions
40 * thereof, and that both notices appear in supporting documentation.
41 *
42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
43 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
45 *
46 * Carnegie Mellon requests users of this software to return to
47 *
48 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
49 * School of Computer Science
50 * Carnegie Mellon University
51 * Pittsburgh PA 15213-3890
52 *
53 * any improvements or extensions that they make and grant Carnegie Mellon
54 * the rights to redistribute these changes.
55 */
56/*
57 */
58
59#ifndef _KERN_COUNTERS_
60#define _KERN_COUNTERS_
61
62#include <mach_counters.h>
63
64/*
65 * We can count various interesting events and paths.
66 *
67 * Use counter() to change the counters, eg:
68 * counter(c_idle_thread_block++);
69 * Use counter_always() for non-conditional counters.
70 */
71
72#define counter_always(code) code
73
74#if MACH_COUNTERS
75
76#define counter(code) counter_always(code)
77
78#else /* MACH_COUNTERS */
79
80#define counter(code)
81
82#endif /* MACH_COUNTERS */
83
84/*
85 * We define the counters with individual integers,
86 * instead of a big structure, so that ddb
87 * will know the addresses of the counters.
88 */
89
90typedef unsigned int mach_counter_t;
91
92#if MACH_COUNTERS
93extern mach_counter_t c_action_thread_block;
94extern mach_counter_t c_ast_taken_block;
95extern mach_counter_t c_dev_io_blocks;
96extern mach_counter_t c_dev_io_tries;
97extern mach_counter_t c_idle_thread_block;
98extern mach_counter_t c_idle_thread_handoff;
99extern mach_counter_t c_incoming_interrupts;
100extern mach_counter_t c_io_done_thread_block;
101extern mach_counter_t c_ipc_mqueue_receive_block_kernel;
102extern mach_counter_t c_ipc_mqueue_receive_block_user;
103extern mach_counter_t c_ipc_mqueue_send_block;
104extern mach_counter_t c_net_thread_block;
105extern mach_counter_t c_reaper_thread_block;
106extern mach_counter_t c_sched_thread_block;
107extern mach_counter_t c_stacks_current;
108extern mach_counter_t c_stacks_max;
109extern mach_counter_t c_stacks_min;
110extern mach_counter_t c_swtch_block;
111extern mach_counter_t c_swtch_pri_block;
112extern mach_counter_t c_syscalls_unix;
113extern mach_counter_t c_syscalls_mach;
114extern mach_counter_t c_thread_invoke_csw;
115extern mach_counter_t c_thread_invoke_same;
116extern mach_counter_t c_thread_invoke_same_cont;
117extern mach_counter_t c_thread_invoke_misses;
118extern mach_counter_t c_thread_invoke_hits;
119extern mach_counter_t c_thread_switch_block;
120extern mach_counter_t c_thread_switch_handoff;
121extern mach_counter_t c_vm_fault_page_block_backoff_kernel;
122extern mach_counter_t c_vm_fault_page_block_busy_kernel;
123extern mach_counter_t c_vm_fault_retry_on_w_prot;
124extern mach_counter_t c_vm_fault_wait_on_unlock;
125extern mach_counter_t c_vm_map_simplified;
126extern mach_counter_t c_vm_map_simplify_called;
127extern mach_counter_t c_vm_map_simplify_entry_called;
128extern mach_counter_t c_vm_page_wait_block;
129extern mach_counter_t c_vm_pageout_block;
130extern mach_counter_t c_vm_pageout_scan_block;
131#endif /* MACH_COUNTERS */
132
133#endif /* _KERN_COUNTERS_ */
134
135