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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]; | |
cb323159 A |
51 | uint64_t mtc_npmis; |
52 | /* | |
53 | * Whether this CPU should be using PMCs. | |
54 | */ | |
55 | bool mtc_active; | |
5ba3f43e | 56 | }; |
b0d623f7 | 57 | |
5ba3f43e A |
58 | struct mt_thread { |
59 | _Atomic uint64_t mth_gen; | |
60 | uint64_t mth_counts[MT_CORE_NFIXED]; | |
61 | }; | |
1c79356b | 62 | |
5ba3f43e A |
63 | struct mt_task { |
64 | uint64_t mtk_counts[MT_CORE_NFIXED]; | |
65 | }; | |
1c79356b | 66 | |
5ba3f43e | 67 | struct mt_cpu *mt_cur_cpu(void); |
cb323159 A |
68 | |
69 | uint64_t mt_count_pmis(void); | |
5ba3f43e | 70 | void mt_mtc_update_fixed_counts(struct mt_cpu *mtc, uint64_t *counts, |
0a7de745 | 71 | uint64_t *counts_since); |
5ba3f43e A |
72 | uint64_t mt_mtc_update_count(struct mt_cpu *mtc, unsigned int ctr); |
73 | uint64_t mt_core_snap(unsigned int ctr); | |
74 | void mt_core_set_snap(unsigned int ctr, uint64_t snap); | |
75 | void mt_mtc_set_snap(struct mt_cpu *mtc, unsigned int ctr, uint64_t snap); | |
1c79356b | 76 | |
d9a64523 A |
77 | typedef void (*mt_pmi_fn)(bool user_mode, void *ctx); |
78 | extern bool mt_microstackshots; | |
79 | extern unsigned int mt_microstackshot_ctr; | |
80 | extern mt_pmi_fn mt_microstackshot_pmi_handler; | |
81 | extern void *mt_microstackshot_ctx; | |
82 | extern uint64_t mt_core_reset_values[MT_CORE_NFIXED]; | |
83 | int mt_microstackshot_start_arch(uint64_t period); | |
84 | ||
5ba3f43e | 85 | #endif /* !defined(MACHINE_MONOTONIC_H) */ |