osfmk/kern/counters.h

   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  * Mach Operating System
  35  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  36  * All Rights Reserved.
  37  *
  38  * Permission to use, copy, modify and distribute this software and its
  39  * documentation is hereby granted, provided that both the copyright
  40  * notice and this permission notice appear in all copies of the
  41  * software, derivative works or modified versions, and any portions
  42  * thereof, and that both notices appear in supporting documentation.
  43  *
  44  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  45  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  46  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  47  *
  48  * Carnegie Mellon requests users of this software to return to
  49  *
  50  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  51  *  School of Computer Science
  52  *  Carnegie Mellon University
  53  *  Pittsburgh PA 15213-3890
  54  *
  55  * any improvements or extensions that they make and grant Carnegie Mellon
  56  * the rights to redistribute these changes.
  57  */
  58 /*
  59  */
  60
  61 #ifndef _KERN_COUNTERS_
  62 #define _KERN_COUNTERS_
  63
  64 #include <mach_counters.h>
  65
  66 /*
  67  *      We can count various interesting events and paths.
  68  *
  69  *      Use counter() to change the counters, eg:
  70  *              counter(c_idle_thread_block++);
  71  *      Use counter_always() for non-conditional counters.
  72  */
  73
  74 #define counter_always(code)    code
  75
  76 #if     MACH_COUNTERS
  77
  78 #define counter(code)           counter_always(code)
  79
  80 #else   /* MACH_COUNTERS */
  81
  82 #define counter(code)
  83
  84 #endif  /* MACH_COUNTERS */
  85
  86 /*
  87  *      We define the counters with individual integers,
  88  *      instead of a big structure, so that ddb
  89  *      will know the addresses of the counters.
  90  */
  91
  92 typedef unsigned int mach_counter_t;
  93
  94 extern mach_counter_t c_thread_invoke_csw;
  95 extern mach_counter_t c_thread_invoke_same;
  96 extern mach_counter_t c_thread_invoke_same_cont;
  97 extern mach_counter_t c_thread_invoke_misses;
  98 extern mach_counter_t c_thread_invoke_hits;
  99 extern mach_counter_t c_incoming_interrupts;
 100 extern mach_counter_t c_syscalls_unix;
 101 extern mach_counter_t c_syscalls_mach;
 102
 103 #if     MACH_COUNTERS
 104 extern mach_counter_t c_action_thread_block;
 105 extern mach_counter_t c_ast_taken_block;
 106 extern mach_counter_t c_clock_ticks;
 107 extern mach_counter_t c_dev_io_blocks;
 108 extern mach_counter_t c_dev_io_tries;
 109 extern mach_counter_t c_idle_thread_block;
 110 extern mach_counter_t c_idle_thread_handoff;
 111 extern mach_counter_t c_io_done_thread_block;
 112 extern mach_counter_t c_ipc_mqueue_receive_block_kernel;
 113 extern mach_counter_t c_ipc_mqueue_receive_block_user;
 114 extern mach_counter_t c_ipc_mqueue_send_block;
 115 extern mach_counter_t c_net_thread_block;
 116 extern mach_counter_t c_reaper_thread_block;
 117 extern mach_counter_t c_sched_thread_block;
 118 extern mach_counter_t c_stacks_current;
 119 extern mach_counter_t c_stacks_max;
 120 extern mach_counter_t c_stacks_min;
 121 extern mach_counter_t c_swtch_block;
 122 extern mach_counter_t c_swtch_pri_block;
 123 extern mach_counter_t c_thread_switch_block;
 124 extern mach_counter_t c_thread_switch_handoff;
 125 extern mach_counter_t c_vm_fault_page_block_backoff_kernel;
 126 extern mach_counter_t c_vm_fault_page_block_busy_kernel;
 127 extern mach_counter_t c_vm_fault_retry_on_w_prot;
 128 extern mach_counter_t c_vm_fault_wait_on_unlock;
 129 extern mach_counter_t c_vm_map_simplified;
 130 extern mach_counter_t c_vm_map_simplify_called;
 131 extern mach_counter_t c_vm_map_simplify_entry_called;
 132 extern mach_counter_t c_vm_page_wait_block;
 133 extern mach_counter_t c_vm_pageout_block;
 134 extern mach_counter_t c_vm_pageout_scan_block;
 135 #endif  /* MACH_COUNTERS */
 136
 137 #endif  /* _KERN_COUNTERS_ */
 138