osfmk/kern/counters.c

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * @OSF_COPYRIGHT@
  32  */
  33 /*
  34  * Revision 2.3  91/05/14  16:40:19  mrt
  35  *      Correcting copyright
  36  *
  37  * Revision 2.2  91/03/16  15:15:51  rpd
  38  *      Created.
  39  *      [91/03/13            rpd]
  40  *
  41  */
  42 /* CMU_ENDHIST */
  43 /*
  44  * Mach Operating System
  45  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  46  * All Rights Reserved.
  47  *
  48  * Permission to use, copy, modify and distribute this software and its
  49  * documentation is hereby granted, provided that both the copyright
  50  * notice and this permission notice appear in all copies of the
  51  * software, derivative works or modified versions, and any portions
  52  * thereof, and that both notices appear in supporting documentation.
  53  *
  54  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  55  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  56  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  57  *
  58  * Carnegie Mellon requests users of this software to return to
  59  *
  60  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  61  *  School of Computer Science
  62  *  Carnegie Mellon University
  63  *  Pittsburgh PA 15213-3890
  64  *
  65  * any improvements or extensions that they make and grant Carnegie Mellon
  66  * the rights to redistribute these changes.
  67  */
  68 /*
  69  */
  70
  71 #include <mach_counters.h>
  72
  73 #include <kern/counters.h>
  74
  75 /*
  76  *      We explicitly initialize the counters to make
  77  *      them contiguous in the kernel's data space.
  78  *      This makes them easier to examine with ddb.
  79  */
  80
  81 mach_counter_t c_thread_invoke_csw = 0;
  82 mach_counter_t c_thread_invoke_hits = 0;
  83 mach_counter_t c_thread_invoke_misses = 0;
  84 mach_counter_t c_thread_invoke_same = 0;
  85 mach_counter_t c_thread_invoke_same_cont = 0;
  86 mach_counter_t c_incoming_interrupts = 0;
  87 mach_counter_t c_syscalls_unix = 0;
  88 mach_counter_t c_syscalls_mach = 0;
  89
  90 #if     MACH_COUNTERS
  91 mach_counter_t c_action_thread_block = 0;
  92 mach_counter_t c_ast_taken_block = 0;
  93 mach_counter_t c_clock_ticks = 0;
  94 mach_counter_t c_dev_io_blocks = 0;
  95 mach_counter_t c_dev_io_tries = 0;
  96 mach_counter_t c_idle_thread_block = 0;
  97 mach_counter_t c_idle_thread_handoff = 0;
  98 mach_counter_t c_io_done_thread_block = 0;
  99 mach_counter_t c_ipc_mqueue_receive_block_kernel = 0;
 100 mach_counter_t c_ipc_mqueue_receive_block_user = 0;
 101 mach_counter_t c_ipc_mqueue_send_block = 0;
 102 mach_counter_t c_net_thread_block = 0;
 103 mach_counter_t c_reaper_thread_block = 0;
 104 mach_counter_t c_sched_thread_block = 0;
 105 mach_counter_t c_stacks_current = 0;
 106 mach_counter_t c_stacks_max = 0;
 107 mach_counter_t c_stacks_min = 0;
 108 mach_counter_t c_swtch_block = 0;
 109 mach_counter_t c_swtch_pri_block = 0;
 110 mach_counter_t c_thread_switch_block = 0;
 111 mach_counter_t c_thread_switch_handoff = 0;
 112 mach_counter_t c_vm_fault_page_block_backoff_kernel = 0;
 113 mach_counter_t c_vm_fault_page_block_busy_kernel = 0;
 114 mach_counter_t c_vm_map_simplified = 0;
 115 mach_counter_t c_vm_map_simplify_called = 0;
 116 mach_counter_t c_vm_map_simplify_entry_called = 0;
 117 mach_counter_t c_vm_page_wait_block = 0;
 118 mach_counter_t c_vm_pageout_block = 0;
 119 mach_counter_t c_vm_pageout_scan_block = 0;
 120 mach_counter_t c_vm_fault_retry_on_w_prot = 0;
 121 mach_counter_t c_vm_fault_wait_on_unlock = 0;
 122 #endif  /* MACH_COUNTERS */