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 /* 40 * No longer supported. 41 */ 42 #define TELEMETRY_CMD_TIMER_EVENT 1 43 #define TELEMETRY_CMD_VOUCHER_NAME 2 44 #define TELEMETRY_CMD_VOUCHER_STAIN TELEMETRY_CMD_VOUCHER_NAME 45 46 enum telemetry_pmi { 47 TELEMETRY_PMI_NONE, 48 TELEMETRY_PMI_INSTRS, 49 TELEMETRY_PMI_CYCLES, 50 }; 51 #define TELEMETRY_CMD_PMI_SETUP 3 52 53 #if XNU_KERNEL_PRIVATE 54 55 /* implemented in OSKextLib.cpp */ 56 extern void telemetry_backtrace_add_kexts( 57 char *buf, 58 size_t buflen, 59 uintptr_t *frames, 60 uint32_t framecnt); 61 62 extern void telemetry_backtrace_to_string( 63 char *buf, 64 size_t buflen, 65 uint32_t tot, 66 uintptr_t *frames); 67 68 extern void telemetry_init(void); 69 70 extern void compute_telemetry(void *); 71 72 extern void telemetry_ast(thread_t thread, uint32_t reasons); 73 74 extern int telemetry_kernel_gather(user_addr_t user_buffer, uint32_t *user_length); 75 extern int telemetry_gather(user_addr_t buffer, uint32_t *length, bool mark); 76 77 extern int telemetry_pmi_setup(enum telemetry_pmi pmi_type, uint64_t interval); 78 79 #if CONFIG_MACF 80 extern int telemetry_macf_mark_curthread(void); 81 #endif 82 83 extern void bootprofile_wake_from_sleep(void); 84 extern void bootprofile_get(void **buffer, uint32_t *length); 85 extern int bootprofile_gather(user_addr_t buffer, uint32_t *length); 86 87 #endif /* XNU_KERNEL_PRIVATE */ 88 89 __END_DECLS 90 91 #endif /* _KERNEL_TELEMETRY_H_ */ 92