osfmk/kern/counters.c

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_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. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * @OSF_COPYRIGHT@
  25  */
  26 /*
  27  * Revision 2.3  91/05/14  16:40:19  mrt
  28  *      Correcting copyright
  29  *
  30  * Revision 2.2  91/03/16  15:15:51  rpd
  31  *      Created.
  32  *      [91/03/13            rpd]
  33  *
  34  */
  35 /* CMU_ENDHIST */
  36 /*
  37  * Mach Operating System
  38  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  39  * All Rights Reserved.
  40  *
  41  * Permission to use, copy, modify and distribute this software and its
  42  * documentation is hereby granted, provided that both the copyright
  43  * notice and this permission notice appear in all copies of the
  44  * software, derivative works or modified versions, and any portions
  45  * thereof, and that both notices appear in supporting documentation.
  46  *
  47  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  48  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  49  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  50  *
  51  * Carnegie Mellon requests users of this software to return to
  52  *
  53  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  54  *  School of Computer Science
  55  *  Carnegie Mellon University
  56  *  Pittsburgh PA 15213-3890
  57  *
  58  * any improvements or extensions that they make and grant Carnegie Mellon
  59  * the rights to redistribute these changes.
  60  */
  61 /*
  62  */
  63
  64 #include <mach_counters.h>
  65
  66 #include <kern/counters.h>
  67
  68 /*
  69  *      We explicitly initialize the counters to make
  70  *      them contiguous in the kernel's data space.
  71  *      This makes them easier to examine with ddb.
  72  */
  73
  74 mach_counter_t c_thread_invoke_csw = 0;
  75 mach_counter_t c_thread_invoke_hits = 0;
  76 mach_counter_t c_thread_invoke_misses = 0;
  77 mach_counter_t c_thread_invoke_same = 0;
  78 mach_counter_t c_thread_invoke_same_cont = 0;
  79 mach_counter_t c_incoming_interrupts = 0;
  80 mach_counter_t c_syscalls_unix = 0;
  81 mach_counter_t c_syscalls_mach = 0;
  82
  83 #if     MACH_COUNTERS
  84 mach_counter_t c_action_thread_block = 0;
  85 mach_counter_t c_ast_taken_block = 0;
  86 mach_counter_t c_clock_ticks = 0;
  87 mach_counter_t c_dev_io_blocks = 0;
  88 mach_counter_t c_dev_io_tries = 0;
  89 mach_counter_t c_idle_thread_block = 0;
  90 mach_counter_t c_idle_thread_handoff = 0;
  91 mach_counter_t c_io_done_thread_block = 0;
  92 mach_counter_t c_ipc_mqueue_receive_block_kernel = 0;
  93 mach_counter_t c_ipc_mqueue_receive_block_user = 0;
  94 mach_counter_t c_ipc_mqueue_send_block = 0;
  95 mach_counter_t c_net_thread_block = 0;
  96 mach_counter_t c_reaper_thread_block = 0;
  97 mach_counter_t c_sched_thread_block = 0;
  98 mach_counter_t c_stacks_current = 0;
  99 mach_counter_t c_stacks_max = 0;
 100 mach_counter_t c_stacks_min = 0;
 101 mach_counter_t c_swtch_block = 0;
 102 mach_counter_t c_swtch_pri_block = 0;
 103 mach_counter_t c_thread_switch_block = 0;
 104 mach_counter_t c_thread_switch_handoff = 0;
 105 mach_counter_t c_vm_fault_page_block_backoff_kernel = 0;
 106 mach_counter_t c_vm_fault_page_block_busy_kernel = 0;
 107 mach_counter_t c_vm_map_simplified = 0;
 108 mach_counter_t c_vm_map_simplify_called = 0;
 109 mach_counter_t c_vm_map_simplify_entry_called = 0;
 110 mach_counter_t c_vm_page_wait_block = 0;
 111 mach_counter_t c_vm_pageout_block = 0;
 112 mach_counter_t c_vm_pageout_scan_block = 0;
 113 mach_counter_t c_vm_fault_retry_on_w_prot = 0;
 114 mach_counter_t c_vm_fault_wait_on_unlock = 0;
 115 #endif  /* MACH_COUNTERS */