osfmk/kern/counters.c

   1 /*
   2  * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_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. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * @OSF_COPYRIGHT@
  30  */
  31 /*
  32  * Mach Operating System
  33  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  34  * All Rights Reserved.
  35  *
  36  * Permission to use, copy, modify and distribute this software and its
  37  * documentation is hereby granted, provided that both the copyright
  38  * notice and this permission notice appear in all copies of the
  39  * software, derivative works or modified versions, and any portions
  40  * thereof, and that both notices appear in supporting documentation.
  41  *
  42  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  43  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  44  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  45  *
  46  * Carnegie Mellon requests users of this software to return to
  47  *
  48  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  49  *  School of Computer Science
  50  *  Carnegie Mellon University
  51  *  Pittsburgh PA 15213-3890
  52  *
  53  * any improvements or extensions that they make and grant Carnegie Mellon
  54  * the rights to redistribute these changes.
  55  */
  56 /*
  57  */
  58
  59 #include <mach_counters.h>
  60
  61 #include <kern/counters.h>
  62
  63 /*
  64  *      We explicitly initialize the counters to make
  65  *      them contiguous in the kernel's data space.
  66  *      This makes them easier to examine with ddb.
  67  */
  68
  69 #if     MACH_COUNTERS
  70 mach_counter_t c_action_thread_block = 0;
  71 mach_counter_t c_ast_taken_block = 0;
  72 mach_counter_t c_dev_io_blocks = 0;
  73 mach_counter_t c_dev_io_tries = 0;
  74 mach_counter_t c_idle_thread_block = 0;
  75 mach_counter_t c_idle_thread_handoff = 0;
  76 mach_counter_t c_incoming_interrupts = 0;
  77 mach_counter_t c_io_done_thread_block = 0;
  78 mach_counter_t c_ipc_mqueue_receive_block_kernel = 0;
  79 mach_counter_t c_ipc_mqueue_receive_block_user = 0;
  80 mach_counter_t c_ipc_mqueue_send_block = 0;
  81 mach_counter_t c_net_thread_block = 0;
  82 mach_counter_t c_reaper_thread_block = 0;
  83 mach_counter_t c_sched_thread_block = 0;
  84 mach_counter_t c_stacks_current = 0;
  85 mach_counter_t c_stacks_max = 0;
  86 mach_counter_t c_stacks_min = 0;
  87 mach_counter_t c_swtch_block = 0;
  88 mach_counter_t c_swtch_pri_block = 0;
  89 mach_counter_t c_syscalls_unix = 0;
  90 mach_counter_t c_syscalls_mach = 0;
  91 mach_counter_t c_thread_invoke_csw = 0;
  92 mach_counter_t c_thread_invoke_hits = 0;
  93 mach_counter_t c_thread_invoke_misses = 0;
  94 mach_counter_t c_thread_invoke_same = 0;
  95 mach_counter_t c_thread_invoke_same_cont = 0;
  96 mach_counter_t c_thread_switch_block = 0;
  97 mach_counter_t c_thread_switch_handoff = 0;
  98 mach_counter_t c_vm_fault_page_block_backoff_kernel = 0;
  99 mach_counter_t c_vm_fault_page_block_busy_kernel = 0;
 100 mach_counter_t c_vm_map_simplified = 0;
 101 mach_counter_t c_vm_map_simplify_called = 0;
 102 mach_counter_t c_vm_map_simplify_entry_called = 0;
 103 mach_counter_t c_vm_page_wait_block = 0;
 104 mach_counter_t c_vm_pageout_block = 0;
 105 mach_counter_t c_vm_pageout_scan_block = 0;
 106 mach_counter_t c_vm_fault_retry_on_w_prot = 0;
 107 mach_counter_t c_vm_fault_wait_on_unlock = 0;
 108 #endif  /* MACH_COUNTERS */