1 /* 2 * Copyright (c) 2012-2013 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 #ifndef _KERNEL_TELEMETRY_H_ 30 #define _KERNEL_TELEMETRY_H_ 31 32 #include <stdint.h> 33 #include <sys/cdefs.h> 34 #include <mach/mach_types.h> 35 #include <kern/thread.h> 36 37 __BEGIN_DECLS 38 39 #define TELEMETRY_CMD_TIMER_EVENT 1 40 #define TELEMETRY_CMD_VOUCHER_NAME 2 41 #define TELEMETRY_CMD_VOUCHER_STAIN TELEMETRY_CMD_VOUCHER_NAME 42 43 enum telemetry_pmi { 44 TELEMETRY_PMI_NONE, 45 TELEMETRY_PMI_INSTRS, 46 TELEMETRY_PMI_CYCLES, 47 }; 48 #define TELEMETRY_CMD_PMI_SETUP 3 49 50 #if XNU_KERNEL_PRIVATE 51 52 /* boolean_t must be used since variable is loaded from assembly. */ 53 extern volatile boolean_t telemetry_needs_record; 54 55 extern void telemetry_init(void); 56 57 extern void compute_telemetry(void *); 58 59 extern void telemetry_ast(thread_t thread, uint32_t reasons); 60 61 extern int telemetry_gather(user_addr_t buffer, uint32_t *length, bool mark); 62 63 /* boolean_t must be used since this function is called from assembly. */ 64 extern void telemetry_mark_curthread(boolean_t interrupted_userspace, 65 boolean_t pmi); 66 67 extern void telemetry_task_ctl(task_t task, uint32_t reason, int enable_disable); 68 extern void telemetry_task_ctl_locked(task_t task, uint32_t reason, int enable_disable); 69 extern void telemetry_global_ctl(int enable_disable); 70 71 extern int telemetry_timer_event(uint64_t deadline, uint64_t interval, uint64_t leeway); 72 extern int telemetry_pmi_setup(enum telemetry_pmi pmi_type, uint64_t interval); 73 74 #if CONFIG_MACF 75 extern int telemetry_macf_mark_curthread(void); 76 #endif 77 78 extern void bootprofile_init(void); 79 extern void bootprofile_wake_from_sleep(void); 80 extern void bootprofile_get(void **buffer, uint32_t *length); 81 extern int bootprofile_gather(user_addr_t buffer, uint32_t *length); 82 83 #endif /* XNU_KERNEL_PRIVATE */ 84 85 __END_DECLS 86 87 #endif /* _KERNEL_TELEMETRY_H_ */ 88