Annotation of kernel/kern/counters.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /* 
                     26:  * Mach Operating System
                     27:  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
                     28:  * All Rights Reserved.
                     29:  * 
                     30:  * Permission to use, copy, modify and distribute this software and its
                     31:  * documentation is hereby granted, provided that both the copyright
                     32:  * notice and this permission notice appear in all copies of the
                     33:  * software, derivative works or modified versions, and any portions
                     34:  * thereof, and that both notices appear in supporting documentation.
                     35:  * 
                     36:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
                     37:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
                     38:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     39:  * 
                     40:  * Carnegie Mellon requests users of this software to return to
                     41:  * 
                     42:  *  Software Distribution Coordinator  or  [email protected]
                     43:  *  School of Computer Science
                     44:  *  Carnegie Mellon University
                     45:  *  Pittsburgh PA 15213-3890
                     46:  * 
                     47:  * any improvements or extensions that they make and grant Carnegie Mellon
                     48:  * the rights to redistribute these changes.
                     49:  */
                     50: 
                     51: #include <mach_counters.h>
                     52: 
                     53: #include <kern/counters.h>
                     54: 
                     55: /*
                     56:  *     We explicitly initialize the counters to make
                     57:  *     them contiguous in the kernel's data space.
                     58:  *     This makes them easier to examine with ddb.
                     59:  */
                     60: 
                     61: mach_counter_t c_thread_invoke_hits = 0;
                     62: mach_counter_t c_thread_invoke_misses = 0;
                     63: mach_counter_t c_thread_invoke_csw = 0;
                     64: mach_counter_t c_thread_handoff_hits = 0;
                     65: mach_counter_t c_thread_handoff_misses = 0;
                     66: 
                     67: #if    MACH_COUNTERS
                     68: mach_counter_t c_threads_current = 0;
                     69: mach_counter_t c_threads_max = 0;
                     70: mach_counter_t c_threads_min = 0;
                     71: mach_counter_t c_threads_total = 0;
                     72: mach_counter_t c_stacks_current = 0;
                     73: mach_counter_t c_stacks_max = 0;
                     74: mach_counter_t c_stacks_min = 0;
                     75: mach_counter_t c_stacks_total = 0;
                     76: mach_counter_t c_clock_ticks = 0;
                     77: mach_counter_t c_ipc_mqueue_send_block = 0;
                     78: mach_counter_t c_ipc_mqueue_receive_block_user = 0;
                     79: mach_counter_t c_ipc_mqueue_receive_block_kernel = 0;
                     80: mach_counter_t c_mach_msg_trap_block_fast = 0;
                     81: mach_counter_t c_mach_msg_trap_block_slow = 0;
                     82: mach_counter_t c_mach_msg_trap_block_exc = 0;
                     83: mach_counter_t c_exception_raise_block = 0;
                     84: mach_counter_t c_swtch_block = 0;
                     85: mach_counter_t c_swtch_pri_block = 0;
                     86: mach_counter_t c_thread_switch_block = 0;
                     87: mach_counter_t c_thread_switch_handoff = 0;
                     88: mach_counter_t c_ast_taken_block = 0;
                     89: mach_counter_t c_thread_halt_self_block = 0;
                     90: mach_counter_t c_vm_fault_page_block_busy_user = 0;
                     91: mach_counter_t c_vm_fault_page_block_busy_kernel = 0;
                     92: mach_counter_t c_vm_fault_page_block_backoff_user = 0;
                     93: mach_counter_t c_vm_fault_page_block_backoff_kernel = 0;
                     94: mach_counter_t c_vm_page_wait_block_user = 0;
                     95: mach_counter_t c_vm_page_wait_block_kernel = 0;
                     96: mach_counter_t c_vm_pageout_block = 0;
                     97: mach_counter_t c_vm_pageout_scan_block = 0;
                     98: mach_counter_t c_idle_thread_block = 0;
                     99: mach_counter_t c_idle_thread_handoff = 0;
                    100: mach_counter_t c_sched_thread_block = 0;
                    101: mach_counter_t c_io_done_thread_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_swapin_thread_block = 0;
                    105: mach_counter_t c_action_thread_block = 0;
                    106: #endif MACH_COUNTERS

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