osfmk/kern/counters.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25 /*
  26  * HISTORY
  27  *
  28  * Revision 1.1.1.1  1998/09/22 21:05:35  wsanchez
  29  * Import of Mac OS X kernel (~semeria)
  30  *
  31  * Revision 1.1.1.1  1998/03/07 02:25:54  wsanchez
  32  * Import of OSF Mach kernel (~mburg)
  33  *
  34  * Revision 1.1.13.7  1995/02/24  15:19:11  alanl
  35  *      Merge with DIPC2_SHARED.
  36  *      [1995/02/22  20:31:50  alanl]
  37  *
  38  * Revision 1.1.21.1  1994/11/04  10:06:28  dwm
  39  *      mk6 CR668 - 1.3b26 merge
  40  *      remove unused counters
  41  *      * Revision 1.1.2.4  1994/01/06  17:53:55  jeffc
  42  *      CR9854 -- Missing exception_raise_state counters
  43  *      CR10394 -- instrument vm_map_simplify
  44  *      * End1.3merge
  45  *      [1994/11/04  09:20:23  dwm]
  46  *
  47  * Revision 1.1.13.5  1994/09/23  02:15:57  ezf
  48  *      change marker to not FREE
  49  *      [1994/09/22  21:32:09  ezf]
  50  *
  51  * Revision 1.1.13.4  1994/09/16  06:29:22  dwm
  52  *      mk6 CR551 - remove unused SAFE_VM_FAULT pseudo-continuation,
  53  *      remove unused args from vm_page_wait, vm_fault(_page).
  54  *      Also, fix vm_page_wait counters.
  55  *      [1994/09/16  06:23:24  dwm]
  56  *
  57  * Revision 1.1.13.3  1994/09/10  21:45:51  bolinger
  58  *      Merge up to NMK17.3
  59  *      [1994/09/08  19:57:27  bolinger]
  60  *
  61  * Revision 1.1.13.2  1994/06/21  17:28:40  dlb
  62  *      Add two vm_fault counters from latest NMK17 version.
  63  *      [94/06/17            dlb]
  64  *
  65  * Revision 1.1.13.1  1994/06/14  16:59:58  bolinger
  66  *      Merge up to NMK17.2.
  67  *      [1994/06/14  16:53:39  bolinger]
  68  *
  69  * Revision 1.1.8.2  1994/03/17  22:40:02  dwm
  70  *      dead code removal:  thread swapping.
  71  *      [1994/03/17  21:29:18  dwm]
  72  *
  73  * Revision 1.1.8.1  1993/11/18  18:14:54  dwm
  74  *      Coloc: remove continuations entirely;
  75  *      [1993/11/18  18:09:54  dwm]
  76  *
  77  * Revision 1.1.2.3  1993/06/07  22:12:34  jeffc
  78  *      CR9176 - ANSI C violations: trailing tokens on CPP
  79  *      directives, extra semicolons after decl_ ..., asm keywords
  80  *      [1993/06/07  19:04:06  jeffc]
  81  *
  82  * Revision 1.1.2.2  1993/06/02  23:35:48  jeffc
  83  *      Added to OSF/1 R1.3 from NMK15.0.
  84  *      [1993/06/02  21:12:06  jeffc]
  85  *
  86  * Revision 1.1  1992/09/30  02:08:53  robert
  87  *      Initial revision
  88  *
  89  * $EndLog$
  90  */
  91 /* CMU_HIST */
  92 /*
  93  * Revision 2.3  91/05/14  16:40:19  mrt
  94  *      Correcting copyright
  95  *
  96  * Revision 2.2  91/03/16  15:15:51  rpd
  97  *      Created.
  98  *      [91/03/13            rpd]
  99  *
 100  */
 101 /* CMU_ENDHIST */
 102 /*
 103  * Mach Operating System
 104  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
 105  * All Rights Reserved.
 106  *
 107  * Permission to use, copy, modify and distribute this software and its
 108  * documentation is hereby granted, provided that both the copyright
 109  * notice and this permission notice appear in all copies of the
 110  * software, derivative works or modified versions, and any portions
 111  * thereof, and that both notices appear in supporting documentation.
 112  *
 113  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 114  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 115  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 116  *
 117  * Carnegie Mellon requests users of this software to return to
 118  *
 119  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 120  *  School of Computer Science
 121  *  Carnegie Mellon University
 122  *  Pittsburgh PA 15213-3890
 123  *
 124  * any improvements or extensions that they make and grant Carnegie Mellon
 125  * the rights to redistribute these changes.
 126  */
 127 /*
 128  */
 129
 130 #include <mach_counters.h>
 131
 132 #include <kern/counters.h>
 133
 134 /*
 135  *      We explicitly initialize the counters to make
 136  *      them contiguous in the kernel's data space.
 137  *      This makes them easier to examine with ddb.
 138  */
 139
 140 mach_counter_t c_thread_invoke_csw = 0;
 141 mach_counter_t c_thread_invoke_hits = 0;
 142 mach_counter_t c_thread_invoke_misses = 0;
 143 mach_counter_t c_thread_invoke_same = 0;
 144 mach_counter_t c_thread_invoke_same_cont = 0;
 145 mach_counter_t c_incoming_interrupts = 0;
 146 mach_counter_t c_syscalls_unix = 0;
 147 mach_counter_t c_syscalls_mach = 0;
 148
 149 #if     MACH_COUNTERS
 150 mach_counter_t c_action_thread_block = 0;
 151 mach_counter_t c_ast_taken_block = 0;
 152 mach_counter_t c_clock_ticks = 0;
 153 mach_counter_t c_dev_io_blocks = 0;
 154 mach_counter_t c_dev_io_tries = 0;
 155 mach_counter_t c_idle_thread_block = 0;
 156 mach_counter_t c_idle_thread_handoff = 0;
 157 mach_counter_t c_io_done_thread_block = 0;
 158 mach_counter_t c_ipc_mqueue_receive_block_kernel = 0;
 159 mach_counter_t c_ipc_mqueue_receive_block_user = 0;
 160 mach_counter_t c_ipc_mqueue_send_block = 0;
 161 mach_counter_t c_net_thread_block = 0;
 162 mach_counter_t c_reaper_thread_block = 0;
 163 mach_counter_t c_sched_thread_block = 0;
 164 mach_counter_t c_stacks_current = 0;
 165 mach_counter_t c_stacks_max = 0;
 166 mach_counter_t c_stacks_min = 0;
 167 mach_counter_t c_swtch_block = 0;
 168 mach_counter_t c_swtch_pri_block = 0;
 169 mach_counter_t c_thread_switch_block = 0;
 170 mach_counter_t c_thread_switch_handoff = 0;
 171 mach_counter_t c_vm_fault_page_block_backoff_kernel = 0;
 172 mach_counter_t c_vm_fault_page_block_busy_kernel = 0;
 173 mach_counter_t c_vm_fault_retry_on_w_prot;
 174 mach_counter_t c_vm_fault_wait_on_unlock;
 175 mach_counter_t c_vm_map_simplified = 0;
 176 mach_counter_t c_vm_map_simplify_called = 0;
 177 mach_counter_t c_vm_map_simplify_entry_called = 0;
 178 mach_counter_t c_vm_page_wait_block = 0;
 179 mach_counter_t c_vm_pageout_block = 0;
 180 mach_counter_t c_vm_pageout_scan_block = 0;
 181 mach_counter_t c_vm_fault_retry_on_w_prot = 0;
 182 mach_counter_t c_vm_fault_wait_on_unlock = 0;
 183 #endif  /* MACH_COUNTERS */