Annotation of XNU/osfmk/kern/counters.c, revision 1.1

1.1     ! root        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  [email protected]
        !           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_lower = 0;
        !           176: mach_counter_t c_vm_map_simplified_upper = 0;
        !           177: mach_counter_t c_vm_map_simplify_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 */

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