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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/process/process_metrics.h" | 5 #include "base/process/process_metrics.h" |
6 | 6 |
7 #include <limits.h> | 7 #include <limits.h> |
8 #include <mach/task.h> | 8 #include <mach/task.h> |
9 #include <stddef.h> | 9 #include <stddef.h> |
10 | 10 |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
12 #include "base/mac/scoped_mach_port.h" | |
12 #include "base/memory/ptr_util.h" | 13 #include "base/memory/ptr_util.h" |
14 #include "base/numerics/safe_conversions.h" | |
13 | 15 |
14 namespace base { | 16 namespace base { |
15 | 17 |
16 namespace { | 18 namespace { |
17 | 19 |
18 bool GetTaskInfo(task_basic_info_64* task_info_data) { | 20 bool GetTaskInfo(task_basic_info_64* task_info_data) { |
19 mach_msg_type_number_t count = TASK_BASIC_INFO_64_COUNT; | 21 mach_msg_type_number_t count = TASK_BASIC_INFO_64_COUNT; |
20 kern_return_t kr = task_info(mach_task_self(), | 22 kern_return_t kr = task_info(mach_task_self(), |
21 TASK_BASIC_INFO_64, | 23 TASK_BASIC_INFO_64, |
22 reinterpret_cast<task_info_t>(task_info_data), | 24 reinterpret_cast<task_info_t>(task_info_data), |
23 &count); | 25 &count); |
24 return kr == KERN_SUCCESS; | 26 return kr == KERN_SUCCESS; |
25 } | 27 } |
26 | 28 |
27 } // namespace | 29 } // namespace |
28 | 30 |
29 SystemMemoryInfoKB::SystemMemoryInfoKB() : total(0), free(0) {} | |
30 | |
31 SystemMemoryInfoKB::SystemMemoryInfoKB(const SystemMemoryInfoKB& other) = | |
32 default; | |
33 | |
34 ProcessMetrics::ProcessMetrics(ProcessHandle process) {} | 31 ProcessMetrics::ProcessMetrics(ProcessHandle process) {} |
35 | 32 |
36 ProcessMetrics::~ProcessMetrics() {} | 33 ProcessMetrics::~ProcessMetrics() {} |
37 | 34 |
38 // static | 35 // static |
39 std::unique_ptr<ProcessMetrics> ProcessMetrics::CreateProcessMetrics( | 36 std::unique_ptr<ProcessMetrics> ProcessMetrics::CreateProcessMetrics( |
40 ProcessHandle process) { | 37 ProcessHandle process) { |
41 return WrapUnique(new ProcessMetrics(process)); | 38 return WrapUnique(new ProcessMetrics(process)); |
42 } | 39 } |
43 | 40 |
(...skipping 40 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
84 size_t GetPageSize() { | 81 size_t GetPageSize() { |
85 return getpagesize(); | 82 return getpagesize(); |
86 } | 83 } |
87 | 84 |
88 // Bytes committed by the system. | 85 // Bytes committed by the system. |
89 size_t GetSystemCommitCharge() { | 86 size_t GetSystemCommitCharge() { |
90 NOTIMPLEMENTED(); | 87 NOTIMPLEMENTED(); |
91 return 0; | 88 return 0; |
92 } | 89 } |
93 | 90 |
94 // Bytes committed by the system. | |
95 bool GetSystemMemoryInfo(SystemMemoryInfoKB* meminfo) { | 91 bool GetSystemMemoryInfo(SystemMemoryInfoKB* meminfo) { |
96 // Unimplemented. Must enable unittest for IOS when this gets implemented. | 92 struct host_basic_info hostinfo; |
97 NOTIMPLEMENTED(); | 93 mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT; |
98 return false; | 94 base::mac::ScopedMachSendRight host(mach_host_self()); |
95 int result = host_info(host.get(), HOST_BASIC_INFO, | |
96 reinterpret_cast<host_info_t>(&hostinfo), &count); | |
97 if (result != KERN_SUCCESS) | |
98 return false; | |
99 | |
100 DCHECK_EQ(HOST_BASIC_INFO_COUNT, count); | |
101 meminfo->total = static_cast<int>(hostinfo.max_mem / 1024); | |
102 | |
103 vm_statistics64_data_t vm_info; | |
104 count = HOST_VM_INFO64_COUNT; | |
105 | |
106 if (host_statistics64(host.get(), HOST_VM_INFO64, | |
107 reinterpret_cast<host_info64_t>(&vm_info), | |
108 &count) != KERN_SUCCESS) { | |
109 return false; | |
110 } | |
111 DCHECK_EQ(HOST_VM_INFO64_COUNT, count); | |
112 | |
113 // Check that PAGE_SIZE is divisible by 1024 (2^10). | |
114 CHECK_EQ(PAGE_SIZE, (PAGE_SIZE >> 10) << 10) << "Invalid page size"; | |
Michael K. (Yandex Team)
2017/03/14 07:41:05
jfyi: PAGE_SIZE isn't constexpr on ios(
danakj
2017/03/14 14:41:46
nit: drop the "Invalid page size" it's not adding
| |
115 meminfo->free = saturated_cast<int>( | |
116 PAGE_SIZE / 1024 * (vm_info.free_count - vm_info.speculative_count)); | |
117 meminfo->speculative = | |
118 saturated_cast<int>(PAGE_SIZE / 1024 * vm_info.speculative_count); | |
119 meminfo->file_backed = | |
120 saturated_cast<int>(PAGE_SIZE / 1024 * vm_info.external_page_count); | |
121 meminfo->purgeable = | |
122 saturated_cast<int>(PAGE_SIZE / 1024 * vm_info.purgeable_count); | |
123 | |
124 return true; | |
99 } | 125 } |
100 | 126 |
101 } // namespace base | 127 } // namespace base |
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