osfmk/kern/counters.h

   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  15:19:14  alanl
  38  *      Merge with DIPC2_SHARED.
  39  *      [1995/02/22  20:19:55  alanl]
  40  *
  41  * Revision 1.1.19.4  1994/11/04  10:16:23  dwm
  42  *      mk6 CR668 - 1.3b26 merge
  43  *      add counters, then remove unused items
  44  *      [1994/11/04  09:45:39  dwm]
  45  *
  46  * Revision 1.1.13.5  1994/09/23  02:16:08  ezf
  47  *      change marker to not FREE
  48  *      [1994/09/22  21:32:13  ezf]
  49  *
  50  * Revision 1.1.13.4  1994/09/16  06:29:25  dwm
  51  *      mk6 CR551 - remove unused SAFE_VM_FAULT pseudo-continuation,
  52  *      remove unused args from vm_page_wait, vm_fault(_page).
  53  *      Fix vm_page_wait counters, and rm thread_handoff counter.
  54  *      [1994/09/16  06:23:26  dwm]
  55  *
  56  * Revision 1.1.13.3  1994/09/10  21:45:55  bolinger
  57  *      Merge up to NMK17.3
  58  *      [1994/09/08  19:57:29  bolinger]
  59  *
  60  * Revision 1.1.13.2  1994/06/21  17:28:43  dlb
  61  *      Add two vm_fault counters from NMK17.
  62  *      [94/06/17            dlb]
  63  *
  64  * Revision 1.1.10.3  1994/06/15  09:12:05  paire
  65  *      Corrected spelling of c_vm_fault_wait_on_unlock variable.
  66  *      [94/06/15            paire]
  67  *
  68  * Revision 1.1.13.1  1994/06/14  17:00:01  bolinger
  69  *      Merge up to NMK17.2.
  70  *      [1994/06/14  16:53:41  bolinger]
  71  *
  72  * Revision 1.1.10.2  1994/05/30  07:37:03  bernadat
  73  *      Added new c_vm_fault_retry_on_unlock and c_vm_fault_retry_on_w_prot.
  74  *      Sorted the whole list of counters.
  75  *      [paire@gr.osf.org]
  76  *      [94/05/26            bernadat]
  77  *
  78  * Revision 1.1.10.1  1994/02/11  14:25:21  paire
  79  *      Added missing c_exception_raise_state_block and
  80  *      c_exception_raise_state_identity_block counters.
  81  *      Change from NMK16.1 [93/08/09            paire]
  82  *      [94/02/04            paire]
  83  *
  84  * Revision 1.1.2.3  1993/06/07  22:12:36  jeffc
  85  *      CR9176 - ANSI C violations: trailing tokens on CPP
  86  *      directives, extra semicolons after decl_ ..., asm keywords
  87  *      [1993/06/07  19:04:11  jeffc]
  88  *
  89  * Revision 1.1.2.2  1993/06/02  23:35:54  jeffc
  90  *      Added to OSF/1 R1.3 from NMK15.0.
  91  *      [1993/06/02  21:12:09  jeffc]
  92  *
  93  * Revision 1.1  1992/09/30  02:29:32  robert
  94  *      Initial revision
  95  *
  96  * $EndLog$
  97  */
  98 /* CMU_HIST */
  99 /*
 100  * Revision 2.3  91/05/14  16:40:30  mrt
 101  *      Correcting copyright
 102  *
 103  * Revision 2.2  91/03/16  15:16:06  rpd
 104  *      Created.
 105  *      [91/03/13            rpd]
 106  *
 107  */
 108 /* CMU_ENDHIST */
 109 /*
 110  * Mach Operating System
 111  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
 112  * All Rights Reserved.
 113  *
 114  * Permission to use, copy, modify and distribute this software and its
 115  * documentation is hereby granted, provided that both the copyright
 116  * notice and this permission notice appear in all copies of the
 117  * software, derivative works or modified versions, and any portions
 118  * thereof, and that both notices appear in supporting documentation.
 119  *
 120  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 121  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 122  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 123  *
 124  * Carnegie Mellon requests users of this software to return to
 125  *
 126  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 127  *  School of Computer Science
 128  *  Carnegie Mellon University
 129  *  Pittsburgh PA 15213-3890
 130  *
 131  * any improvements or extensions that they make and grant Carnegie Mellon
 132  * the rights to redistribute these changes.
 133  */
 134 /*
 135  */
 136
 137 #ifndef _KERN_COUNTERS_
 138 #define _KERN_COUNTERS_
 139
 140 #include <mach_counters.h>
 141
 142 /*
 143  *      We can count various interesting events and paths.
 144  *
 145  *      Use counter() to change the counters, eg:
 146  *              counter(c_idle_thread_block++);
 147  *      Use counter_always() for non-conditional counters.
 148  */
 149
 150 #define counter_always(code)    code
 151
 152 #if     MACH_COUNTERS
 153
 154 #define counter(code)           counter_always(code)
 155
 156 #else   /* MACH_COUNTERS */
 157
 158 #define counter(code)
 159
 160 #endif  /* MACH_COUNTERS */
 161
 162 /*
 163  *      We define the counters with individual integers,
 164  *      instead of a big structure, so that ddb
 165  *      will know the addresses of the counters.
 166  */
 167
 168 typedef unsigned int mach_counter_t;
 169
 170 extern mach_counter_t c_thread_invoke_csw;
 171 extern mach_counter_t c_thread_invoke_same;
 172 extern mach_counter_t c_thread_invoke_same_cont;
 173 extern mach_counter_t c_thread_invoke_misses;
 174 extern mach_counter_t c_thread_invoke_hits;
 175 extern mach_counter_t c_incoming_interrupts;
 176 extern mach_counter_t c_syscalls_unix;
 177 extern mach_counter_t c_syscalls_mach;
 178
 179 #if     MACH_COUNTERS
 180 extern mach_counter_t c_action_thread_block;
 181 extern mach_counter_t c_ast_taken_block;
 182 extern mach_counter_t c_clock_ticks;
 183 extern mach_counter_t c_dev_io_blocks;
 184 extern mach_counter_t c_dev_io_tries;
 185 extern mach_counter_t c_idle_thread_block;
 186 extern mach_counter_t c_idle_thread_handoff;
 187 extern mach_counter_t c_io_done_thread_block;
 188 extern mach_counter_t c_ipc_mqueue_receive_block_kernel;
 189 extern mach_counter_t c_ipc_mqueue_receive_block_user;
 190 extern mach_counter_t c_ipc_mqueue_send_block;
 191 extern mach_counter_t c_net_thread_block;
 192 extern mach_counter_t c_reaper_thread_block;
 193 extern mach_counter_t c_sched_thread_block;
 194 extern mach_counter_t c_stacks_current;
 195 extern mach_counter_t c_stacks_max;
 196 extern mach_counter_t c_stacks_min;
 197 extern mach_counter_t c_swtch_block;
 198 extern mach_counter_t c_swtch_pri_block;
 199 extern mach_counter_t c_thread_switch_block;
 200 extern mach_counter_t c_thread_switch_handoff;
 201 extern mach_counter_t c_vm_fault_page_block_backoff_kernel;
 202 extern mach_counter_t c_vm_fault_page_block_busy_kernel;
 203 extern mach_counter_t c_vm_fault_retry_on_w_prot;
 204 extern mach_counter_t c_vm_fault_wait_on_unlock;
 205 extern mach_counter_t c_vm_map_simplified_lower;
 206 extern mach_counter_t c_vm_map_simplified_upper;
 207 extern mach_counter_t c_vm_map_simplify_called;
 208 extern mach_counter_t c_vm_page_wait_block;
 209 extern mach_counter_t c_vm_pageout_block;
 210 extern mach_counter_t c_vm_pageout_scan_block;
 211 extern mach_counter_t c_vm_fault_retry_on_w_prot;
 212 extern mach_counter_t c_vm_fault_wait_on_unlock;
 213 #endif  /* MACH_COUNTERS */
 214
 215 #endif  /* _KERN_COUNTERS_ */
 216