osfmk/kern/counters.c

   1 /*
   2  * Copyright (c) 2000-2004 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  * Revision 2.3  91/05/14  16:40:19  mrt
  27  *      Correcting copyright
  28  *
  29  * Revision 2.2  91/03/16  15:15:51  rpd
  30  *      Created.
  31  *      [91/03/13            rpd]
  32  *
  33  */
  34 /* CMU_ENDHIST */
  35 /*
  36  * Mach Operating System
  37  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  38  * All Rights Reserved.
  39  *
  40  * Permission to use, copy, modify and distribute this software and its
  41  * documentation is hereby granted, provided that both the copyright
  42  * notice and this permission notice appear in all copies of the
  43  * software, derivative works or modified versions, and any portions
  44  * thereof, and that both notices appear in supporting documentation.
  45  *
  46  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  47  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  48  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  49  *
  50  * Carnegie Mellon requests users of this software to return to
  51  *
  52  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  53  *  School of Computer Science
  54  *  Carnegie Mellon University
  55  *  Pittsburgh PA 15213-3890
  56  *
  57  * any improvements or extensions that they make and grant Carnegie Mellon
  58  * the rights to redistribute these changes.
  59  */
  60 /*
  61  */
  62
  63 #include <mach_counters.h>
  64
  65 #include <kern/counters.h>
  66
  67 /*
  68  *      We explicitly initialize the counters to make
  69  *      them contiguous in the kernel's data space.
  70  *      This makes them easier to examine with ddb.
  71  */
  72
  73 mach_counter_t c_thread_invoke_csw = 0;
  74 mach_counter_t c_thread_invoke_hits = 0;
  75 mach_counter_t c_thread_invoke_misses = 0;
  76 mach_counter_t c_thread_invoke_same = 0;
  77 mach_counter_t c_thread_invoke_same_cont = 0;
  78 mach_counter_t c_incoming_interrupts = 0;
  79 mach_counter_t c_syscalls_unix = 0;
  80 mach_counter_t c_syscalls_mach = 0;
  81
  82 #if     MACH_COUNTERS
  83 mach_counter_t c_action_thread_block = 0;
  84 mach_counter_t c_ast_taken_block = 0;
  85 mach_counter_t c_clock_ticks = 0;
  86 mach_counter_t c_dev_io_blocks = 0;
  87 mach_counter_t c_dev_io_tries = 0;
  88 mach_counter_t c_idle_thread_block = 0;
  89 mach_counter_t c_idle_thread_handoff = 0;
  90 mach_counter_t c_io_done_thread_block = 0;
  91 mach_counter_t c_ipc_mqueue_receive_block_kernel = 0;
  92 mach_counter_t c_ipc_mqueue_receive_block_user = 0;
  93 mach_counter_t c_ipc_mqueue_send_block = 0;
  94 mach_counter_t c_net_thread_block = 0;
  95 mach_counter_t c_reaper_thread_block = 0;
  96 mach_counter_t c_sched_thread_block = 0;
  97 mach_counter_t c_stacks_current = 0;
  98 mach_counter_t c_stacks_max = 0;
  99 mach_counter_t c_stacks_min = 0;
 100 mach_counter_t c_swtch_block = 0;
 101 mach_counter_t c_swtch_pri_block = 0;
 102 mach_counter_t c_thread_switch_block = 0;
 103 mach_counter_t c_thread_switch_handoff = 0;
 104 mach_counter_t c_vm_fault_page_block_backoff_kernel = 0;
 105 mach_counter_t c_vm_fault_page_block_busy_kernel = 0;
 106 mach_counter_t c_vm_map_simplified = 0;
 107 mach_counter_t c_vm_map_simplify_called = 0;
 108 mach_counter_t c_vm_map_simplify_entry_called = 0;
 109 mach_counter_t c_vm_page_wait_block = 0;
 110 mach_counter_t c_vm_pageout_block = 0;
 111 mach_counter_t c_vm_pageout_scan_block = 0;
 112 mach_counter_t c_vm_fault_retry_on_w_prot = 0;
 113 mach_counter_t c_vm_fault_wait_on_unlock = 0;
 114 #endif  /* MACH_COUNTERS */