projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| 5ba3f43e | 2 | * Copyright (c) 2017 Apple Inc. All rights reserved. |
| 5d5c5d0d | 3 | * |
| 2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 5ba3f43e | 5 | * |
| 2d21ac55 A |
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. | |
| 5ba3f43e | 14 | * |
| 2d21ac55 A |
15 | * Please obtain a copy of the License at |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| 5ba3f43e | 17 | * |
| 2d21ac55 A |
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 | |
| 8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 2d21ac55 A |
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. | |
| 5ba3f43e | 25 | * |
| 2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 1c79356b | 27 | */ |
| 5ba3f43e A |
28 | #ifndef MACHINE_MONOTONIC_H |
| 29 | #define MACHINE_MONOTONIC_H | |
| 1c79356b | 30 | |
| 5ba3f43e A |
31 | #if defined(__x86_64__) |
| 32 | #include <x86_64/monotonic.h> | |
| 33 | #elif defined(__arm64__) | |
| 34 | #include <arm64/monotonic.h> | |
| 35 | #elif defined(__arm__) | |
| 36 | #include <arm/monotonic.h> | |
| 37 | #else | |
| 38 | #error unsupported architecture | |
| 39 | #endif | |
| 91447636 | 40 | |
| 5ba3f43e A |
41 | #include <stdatomic.h> |
| 42 | #include <stdbool.h> | |
| 43 | #include <stdint.h> | |
| 91447636 | 44 | |
| 5ba3f43e | 45 | extern bool mt_core_supported; |
| 91447636 | 46 | |
| 5ba3f43e A |
47 | struct mt_cpu { |
| 48 | uint64_t mtc_snaps[MT_CORE_NFIXED]; | |
| 49 | uint64_t mtc_counts[MT_CORE_NFIXED]; | |
| 50 | uint64_t mtc_counts_last[MT_CORE_NFIXED]; | |
| 51 | }; | |
| b0d623f7 | 52 | |
| 5ba3f43e A |
53 | struct mt_thread { |
| 54 | _Atomic uint64_t mth_gen; | |
| 55 | uint64_t mth_counts[MT_CORE_NFIXED]; | |
| 56 | }; | |
| 1c79356b | 57 | |
| 5ba3f43e A |
58 | struct mt_task { |
| 59 | uint64_t mtk_counts[MT_CORE_NFIXED]; | |
| 60 | }; | |
| 1c79356b | 61 | |
| 5ba3f43e A |
62 | struct mt_cpu *mt_cur_cpu(void); |
| 63 | void mt_mtc_update_fixed_counts(struct mt_cpu *mtc, uint64_t *counts, | |
| 64 | uint64_t *counts_since); | |
| 65 | uint64_t mt_mtc_update_count(struct mt_cpu *mtc, unsigned int ctr); | |
| 66 | uint64_t mt_core_snap(unsigned int ctr); | |
| 67 | void mt_core_set_snap(unsigned int ctr, uint64_t snap); | |
| 68 | void mt_mtc_set_snap(struct mt_cpu *mtc, unsigned int ctr, uint64_t snap); | |
| 1c79356b | 69 | |
| d9a64523 A |
70 | typedef void (*mt_pmi_fn)(bool user_mode, void *ctx); |
| 71 | extern bool mt_microstackshots; | |
| 72 | extern unsigned int mt_microstackshot_ctr; | |
| 73 | extern mt_pmi_fn mt_microstackshot_pmi_handler; | |
| 74 | extern void *mt_microstackshot_ctx; | |
| 75 | extern uint64_t mt_core_reset_values[MT_CORE_NFIXED]; | |
| 76 | int mt_microstackshot_start_arch(uint64_t period); | |
| 77 | ||
| 5ba3f43e | 78 | #endif /* !defined(MACHINE_MONOTONIC_H) */ |