1 | /* |
2 | * Copyright (c) 2011-2020 Apple Computer, 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 KPERF_SAMPLE_H |
30 | #define KPERF_SAMPLE_H |
31 | |
32 | #include <kperf/thread_samplers.h> |
33 | #include <kperf/task_samplers.h> |
34 | #include "callstack.h" |
35 | #include "kperf_kpc.h" |
36 | #include "meminfo.h" |
37 | |
38 | /* |
39 | * Dispatch sampling may need to read from compressed, file-backed pages, which |
40 | * incurs a steep stack usage penalty. |
41 | */ |
42 | struct kperf_usample_min { |
43 | struct kperf_thread_dispatch th_dispatch; |
44 | }; |
45 | |
46 | /* |
47 | * For data that must be sampled in a fault-able context. |
48 | */ |
49 | struct kperf_usample { |
50 | struct kperf_usample_min *usample_min; |
51 | struct kp_ucallstack ucallstack; |
52 | struct kperf_thread_info th_info; |
53 | }; |
54 | |
55 | struct kperf_sample { |
56 | struct kperf_thread_info th_info; |
57 | struct kperf_thread_scheduling th_scheduling; |
58 | struct kperf_thread_snapshot th_snapshot; |
59 | |
60 | struct kperf_task_snapshot tk_snapshot; |
61 | |
62 | struct kp_kcallstack kcallstack; |
63 | struct meminfo meminfo; |
64 | |
65 | struct kperf_usample usample; |
66 | |
67 | #if CONFIG_CPU_COUNTERS |
68 | struct kpcdata kpcdata; |
69 | #endif /* CONFIG_CPU_COUNTERS */ |
70 | |
71 | #if DEVELOPMENT || DEBUG |
72 | uint64_t sample_time; |
73 | #endif /* DEVELOPMENT || DEBUG */ |
74 | }; |
75 | |
76 | /* cache of threads on each CPU during a timer fire */ |
77 | extern uint64_t *kperf_tid_on_cpus; |
78 | |
79 | #endif /* !defined(KPERF_SAMPLE_H) */ |
80 | |