1 | /* |
2 | * Copyright (c) 2016 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 | #include <kperf/task_samplers.h> |
30 | #include <kperf/context.h> |
31 | #include <kperf/buffer.h> |
32 | #include <kern/thread.h> |
33 | |
34 | #include <kern/task.h> |
35 | |
36 | extern void memorystatus_proc_flags_unsafe(void * v, boolean_t *is_dirty, |
37 | boolean_t *is_dirty_tracked, boolean_t *allow_idle_exit); |
38 | |
39 | void |
40 | kperf_task_snapshot_sample(task_t task, struct kperf_task_snapshot *tksn) |
41 | { |
42 | BUF_INFO(PERF_TK_SNAP_SAMPLE | DBG_FUNC_START); |
43 | |
44 | assert(tksn != NULL); |
45 | |
46 | tksn->kptksn_flags = 0; |
47 | if (task->effective_policy.tep_darwinbg) { |
48 | tksn->kptksn_flags |= KPERF_TASK_FLAG_DARWIN_BG; |
49 | } |
50 | if (task->requested_policy.trp_role == TASK_FOREGROUND_APPLICATION) { |
51 | tksn->kptksn_flags |= KPERF_TASK_FLAG_FOREGROUND; |
52 | } |
53 | if (task->requested_policy.trp_boosted == 1) { |
54 | tksn->kptksn_flags |= KPERF_TASK_FLAG_BOOSTED; |
55 | } |
56 | #if CONFIG_MEMORYSTATUS |
57 | boolean_t dirty = FALSE, dirty_tracked = FALSE, allow_idle_exit = FALSE; |
58 | memorystatus_proc_flags_unsafe(v: get_bsdtask_info(task), is_dirty: &dirty, is_dirty_tracked: &dirty_tracked, allow_idle_exit: &allow_idle_exit); |
59 | if (dirty) { |
60 | tksn->kptksn_flags |= KPERF_TASK_FLAG_DIRTY; |
61 | } |
62 | if (dirty_tracked) { |
63 | tksn->kptksn_flags |= KPERF_TASK_FLAG_DIRTY_TRACKED; |
64 | } |
65 | if (allow_idle_exit) { |
66 | tksn->kptksn_flags |= KPERF_TASK_ALLOW_IDLE_EXIT; |
67 | } |
68 | #endif |
69 | |
70 | tksn->kptksn_suspend_count = task->suspend_count; |
71 | tksn->kptksn_pageins = (integer_t) MIN(counter_load(&task->pageins), INT32_MAX); |
72 | struct recount_times_mach times = recount_task_terminated_times(task); |
73 | tksn->kptksn_user_time_in_terminated_threads = times.rtm_user; |
74 | tksn->kptksn_system_time_in_terminated_threads = times.rtm_system; |
75 | |
76 | BUF_INFO(PERF_TK_SNAP_SAMPLE | DBG_FUNC_END); |
77 | } |
78 | |
79 | void |
80 | kperf_task_snapshot_log(struct kperf_task_snapshot *tksn) |
81 | { |
82 | assert(tksn != NULL); |
83 | |
84 | #if defined(__LP64__) |
85 | BUF_DATA(PERF_TK_SNAP_DATA, tksn->kptksn_flags, |
86 | ENCODE_UPPER_64(tksn->kptksn_suspend_count) | |
87 | ENCODE_LOWER_64(tksn->kptksn_pageins), |
88 | tksn->kptksn_user_time_in_terminated_threads, |
89 | tksn->kptksn_system_time_in_terminated_threads); |
90 | #else |
91 | BUF_DATA(PERF_TK_SNAP_DATA1_32, UPPER_32(tksn->kptksn_flags), |
92 | LOWER_32(tksn->kptksn_flags), |
93 | tksn->kptksn_suspend_count, |
94 | tksn->kptksn_pageins); |
95 | BUF_DATA(PERF_TK_SNAP_DATA2_32, UPPER_32(tksn->kptksn_user_time_in_terminated_threads), |
96 | LOWER_32(tksn->kptksn_user_time_in_terminated_threads), |
97 | UPPER_32(tksn->kptksn_system_time_in_terminated_threads), |
98 | LOWER_32(tksn->kptksn_system_time_in_terminated_threads)); |
99 | #endif /* defined(__LP64__) */ |
100 | } |
101 | |
102 | void |
103 | kperf_task_info_log(struct kperf_context *ctx) |
104 | { |
105 | assert(ctx != NULL); |
106 | |
107 | BUF_DATA(PERF_TK_INFO_DATA, ctx->cur_pid); |
108 | } |
109 | |