1/* 2 * Copyright (c) 2003-2009 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 * Machine independent per processor data. 30 */ 31 32#ifndef _KERN_PROCESSOR_DATA_H_ 33#define _KERN_PROCESSOR_DATA_H_ 34 35/* 36 * #include kern/processor.h instead of this file. 37 */ 38 39#ifdef MACH_KERNEL_PRIVATE 40 41#include <ipc/ipc_kmsg.h> 42#include <kern/timer.h> 43 44struct processor_sched_statistics { 45 uint32_t csw_count; 46 uint32_t preempt_count; 47 uint32_t preempted_rt_count; 48 uint32_t preempted_by_rt_count; 49 uint32_t rt_sched_count; 50 uint32_t interrupt_count; 51 uint32_t ipi_count; 52 uint32_t timer_pop_count; 53 uint32_t idle_transitions; 54 uint32_t quantum_timer_expirations; 55}; 56 57struct processor_data { 58 /* Processor state statistics */ 59 timer_data_t idle_state; 60 timer_data_t system_state; 61 timer_data_t user_state; 62 63 timer_t current_state; 64 65 /* Thread execution timers */ 66 timer_t thread_timer; 67 timer_t kernel_timer; 68 69 /* Kernel stack cache */ 70 struct stack_cache { 71 vm_offset_t free; 72 unsigned int count; 73 } stack_cache; 74 75 /* VM event counters */ 76 vm_statistics64_data_t vm_stat; 77 78 /* IPC free message cache */ 79 struct ikm_cache { 80#define IKM_STASH 16 81 ipc_kmsg_t entries[IKM_STASH]; 82 unsigned int avail; 83 } ikm_cache; 84 85 unsigned long page_grab_count; 86 int start_color; 87 void *free_pages; 88 89 struct processor_sched_statistics sched_stats; 90 uint64_t timer_call_ttd; /* current timer call time-to-deadline */ 91}; 92 93typedef struct processor_data processor_data_t; 94 95#define PROCESSOR_DATA(processor, member) \ 96 (processor)->processor_data.member 97 98extern void processor_data_init( 99 processor_t processor); 100 101#define SCHED_STATS_INTERRUPT(p) \ 102MACRO_BEGIN \ 103 if (__builtin_expect(sched_stats_active, 0)) { \ 104 (p)->processor_data.sched_stats.interrupt_count++; \ 105 } \ 106MACRO_END 107 108#define SCHED_STATS_TIMER_POP(p) \ 109MACRO_BEGIN \ 110 if (__builtin_expect(sched_stats_active, 0)) { \ 111 (p)->processor_data.sched_stats.timer_pop_count++; \ 112 } \ 113MACRO_END 114 115#define SCHED_STATS_IPI(p) \ 116MACRO_BEGIN \ 117 if (__builtin_expect(sched_stats_active, 0)) { \ 118 (p)->processor_data.sched_stats.ipi_count++; \ 119 } \ 120MACRO_END 121 122#define SCHED_STATS_CPU_IDLE_START(p) \ 123MACRO_BEGIN \ 124 if (__builtin_expect(sched_stats_active, 0)) { \ 125 (p)->processor_data.sched_stats.idle_transitions++; \ 126 } \ 127MACRO_END 128 129#define SCHED_STATS_QUANTUM_TIMER_EXPIRATION(p) \ 130MACRO_BEGIN \ 131 if (__builtin_expect(sched_stats_active, 0)) { \ 132 (p)->processor_data.sched_stats.quantum_timer_expirations++; \ 133 } \ 134MACRO_END 135 136#endif /* MACH_KERNEL_PRIVATE */ 137 138#endif /* _KERN_PROCESSOR_DATA_H_ */ 139