osfmk/kern/counters.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  */
  28 /*
  29  * HISTORY
  30  *
  31  * Revision 1.1.1.1  1998/09/22 21:05:35  wsanchez
  32  * Import of Mac OS X kernel (~semeria)
  33  *
  34  * Revision 1.1.1.1  1998/03/07 02:25:54  wsanchez
  35  * Import of OSF Mach kernel (~mburg)
  36  *
  37  * Revision 1.1.13.7  1995/02/24  15:19:11  alanl
  38  *      Merge with DIPC2_SHARED.
  39  *      [1995/02/22  20:31:50  alanl]
  40  *
  41  * Revision 1.1.21.1  1994/11/04  10:06:28  dwm
  42  *      mk6 CR668 - 1.3b26 merge
  43  *      remove unused counters
  44  *      * Revision 1.1.2.4  1994/01/06  17:53:55  jeffc
  45  *      CR9854 -- Missing exception_raise_state counters
  46  *      CR10394 -- instrument vm_map_simplify
  47  *      * End1.3merge
  48  *      [1994/11/04  09:20:23  dwm]
  49  *
  50  * Revision 1.1.13.5  1994/09/23  02:15:57  ezf
  51  *      change marker to not FREE
  52  *      [1994/09/22  21:32:09  ezf]
  53  *
  54  * Revision 1.1.13.4  1994/09/16  06:29:22  dwm
  55  *      mk6 CR551 - remove unused SAFE_VM_FAULT pseudo-continuation,
  56  *      remove unused args from vm_page_wait, vm_fault(_page).
  57  *      Also, fix vm_page_wait counters.
  58  *      [1994/09/16  06:23:24  dwm]
  59  *
  60  * Revision 1.1.13.3  1994/09/10  21:45:51  bolinger
  61  *      Merge up to NMK17.3
  62  *      [1994/09/08  19:57:27  bolinger]
  63  *
  64  * Revision 1.1.13.2  1994/06/21  17:28:40  dlb
  65  *      Add two vm_fault counters from latest NMK17 version.
  66  *      [94/06/17            dlb]
  67  *
  68  * Revision 1.1.13.1  1994/06/14  16:59:58  bolinger
  69  *      Merge up to NMK17.2.
  70  *      [1994/06/14  16:53:39  bolinger]
  71  *
  72  * Revision 1.1.8.2  1994/03/17  22:40:02  dwm
  73  *      dead code removal:  thread swapping.
  74  *      [1994/03/17  21:29:18  dwm]
  75  *
  76  * Revision 1.1.8.1  1993/11/18  18:14:54  dwm
  77  *      Coloc: remove continuations entirely;
  78  *      [1993/11/18  18:09:54  dwm]
  79  *
  80  * Revision 1.1.2.3  1993/06/07  22:12:34  jeffc
  81  *      CR9176 - ANSI C violations: trailing tokens on CPP
  82  *      directives, extra semicolons after decl_ ..., asm keywords
  83  *      [1993/06/07  19:04:06  jeffc]
  84  *
  85  * Revision 1.1.2.2  1993/06/02  23:35:48  jeffc
  86  *      Added to OSF/1 R1.3 from NMK15.0.
  87  *      [1993/06/02  21:12:06  jeffc]
  88  *
  89  * Revision 1.1  1992/09/30  02:08:53  robert
  90  *      Initial revision
  91  *
  92  * $EndLog$
  93  */
  94 /* CMU_HIST */
  95 /*
  96  * Revision 2.3  91/05/14  16:40:19  mrt
  97  *      Correcting copyright
  98  *
  99  * Revision 2.2  91/03/16  15:15:51  rpd
 100  *      Created.
 101  *      [91/03/13            rpd]
 102  *
 103  */
 104 /* CMU_ENDHIST */
 105 /*
 106  * Mach Operating System
 107  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
 108  * All Rights Reserved.
 109  *
 110  * Permission to use, copy, modify and distribute this software and its
 111  * documentation is hereby granted, provided that both the copyright
 112  * notice and this permission notice appear in all copies of the
 113  * software, derivative works or modified versions, and any portions
 114  * thereof, and that both notices appear in supporting documentation.
 115  *
 116  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 117  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 118  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 119  *
 120  * Carnegie Mellon requests users of this software to return to
 121  *
 122  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 123  *  School of Computer Science
 124  *  Carnegie Mellon University
 125  *  Pittsburgh PA 15213-3890
 126  *
 127  * any improvements or extensions that they make and grant Carnegie Mellon
 128  * the rights to redistribute these changes.
 129  */
 130 /*
 131  */
 132
 133 #include <mach_counters.h>
 134
 135 #include <kern/counters.h>
 136
 137 /*
 138  *      We explicitly initialize the counters to make
 139  *      them contiguous in the kernel's data space.
 140  *      This makes them easier to examine with ddb.
 141  */
 142
 143 mach_counter_t c_thread_invoke_csw = 0;
 144 mach_counter_t c_thread_invoke_hits = 0;
 145 mach_counter_t c_thread_invoke_misses = 0;
 146 mach_counter_t c_thread_invoke_same = 0;
 147 mach_counter_t c_thread_invoke_same_cont = 0;
 148 mach_counter_t c_incoming_interrupts = 0;
 149 mach_counter_t c_syscalls_unix = 0;
 150 mach_counter_t c_syscalls_mach = 0;
 151
 152 #if     MACH_COUNTERS
 153 mach_counter_t c_action_thread_block = 0;
 154 mach_counter_t c_ast_taken_block = 0;
 155 mach_counter_t c_clock_ticks = 0;
 156 mach_counter_t c_dev_io_blocks = 0;
 157 mach_counter_t c_dev_io_tries = 0;
 158 mach_counter_t c_idle_thread_block = 0;
 159 mach_counter_t c_idle_thread_handoff = 0;
 160 mach_counter_t c_io_done_thread_block = 0;
 161 mach_counter_t c_ipc_mqueue_receive_block_kernel = 0;
 162 mach_counter_t c_ipc_mqueue_receive_block_user = 0;
 163 mach_counter_t c_ipc_mqueue_send_block = 0;
 164 mach_counter_t c_net_thread_block = 0;
 165 mach_counter_t c_reaper_thread_block = 0;
 166 mach_counter_t c_sched_thread_block = 0;
 167 mach_counter_t c_stacks_current = 0;
 168 mach_counter_t c_stacks_max = 0;
 169 mach_counter_t c_stacks_min = 0;
 170 mach_counter_t c_swtch_block = 0;
 171 mach_counter_t c_swtch_pri_block = 0;
 172 mach_counter_t c_thread_switch_block = 0;
 173 mach_counter_t c_thread_switch_handoff = 0;
 174 mach_counter_t c_vm_fault_page_block_backoff_kernel = 0;
 175 mach_counter_t c_vm_fault_page_block_busy_kernel = 0;
 176 mach_counter_t c_vm_fault_retry_on_w_prot;
 177 mach_counter_t c_vm_fault_wait_on_unlock;
 178 mach_counter_t c_vm_map_simplified_lower = 0;
 179 mach_counter_t c_vm_map_simplified_upper = 0;
 180 mach_counter_t c_vm_map_simplify_called = 0;
 181 mach_counter_t c_vm_page_wait_block = 0;
 182 mach_counter_t c_vm_pageout_block = 0;
 183 mach_counter_t c_vm_pageout_scan_block = 0;
 184 mach_counter_t c_vm_fault_retry_on_w_prot = 0;
 185 mach_counter_t c_vm_fault_wait_on_unlock = 0;
 186 #endif  /* MACH_COUNTERS */