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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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/sys_info.h" | 5 #include "base/sys_info.h" |
6 | 6 |
7 #include <mach/mach.h> | 7 #include <mach/mach.h> |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 #include <sys/sysctl.h> | 10 #include <sys/sysctl.h> |
11 #include <sys/types.h> | 11 #include <sys/types.h> |
12 #import <UIKit/UIKit.h> | 12 #import <UIKit/UIKit.h> |
13 | 13 |
14 #include "base/logging.h" | 14 #include "base/logging.h" |
15 #include "base/mac/scoped_mach_port.h" | 15 #include "base/mac/scoped_mach_port.h" |
16 #include "base/mac/scoped_nsautorelease_pool.h" | 16 #include "base/mac/scoped_nsautorelease_pool.h" |
17 #include "base/macros.h" | 17 #include "base/macros.h" |
| 18 #include "base/process/process_metrics.h" |
18 #include "base/strings/sys_string_conversions.h" | 19 #include "base/strings/sys_string_conversions.h" |
19 | 20 |
20 namespace base { | 21 namespace base { |
21 | 22 |
22 // static | 23 // static |
23 std::string SysInfo::OperatingSystemName() { | 24 std::string SysInfo::OperatingSystemName() { |
24 static dispatch_once_t get_system_name_once; | 25 static dispatch_once_t get_system_name_once; |
25 static std::string* system_name; | 26 static std::string* system_name; |
26 dispatch_once(&get_system_name_once, ^{ | 27 dispatch_once(&get_system_name_once, ^{ |
27 base::mac::ScopedNSAutoreleasePool pool; | 28 base::mac::ScopedNSAutoreleasePool pool; |
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76 if (result != KERN_SUCCESS) { | 77 if (result != KERN_SUCCESS) { |
77 NOTREACHED(); | 78 NOTREACHED(); |
78 return 0; | 79 return 0; |
79 } | 80 } |
80 DCHECK_EQ(HOST_BASIC_INFO_COUNT, count); | 81 DCHECK_EQ(HOST_BASIC_INFO_COUNT, count); |
81 return static_cast<int64_t>(hostinfo.max_mem); | 82 return static_cast<int64_t>(hostinfo.max_mem); |
82 } | 83 } |
83 | 84 |
84 // static | 85 // static |
85 int64_t SysInfo::AmountOfAvailablePhysicalMemory() { | 86 int64_t SysInfo::AmountOfAvailablePhysicalMemory() { |
86 base::mac::ScopedMachSendRight host(mach_host_self()); | 87 SystemMemoryInfoKB info; |
87 vm_statistics_data_t vm_info; | 88 if (!GetSystemMemoryInfo(&info)) { |
88 mach_msg_type_number_t count = HOST_VM_INFO_COUNT; | |
89 if (host_statistics(host.get(), | |
90 HOST_VM_INFO, | |
91 reinterpret_cast<host_info_t>(&vm_info), | |
92 &count) != KERN_SUCCESS) { | |
93 NOTREACHED(); | 89 NOTREACHED(); |
94 return 0; | 90 return 0; |
95 } | 91 } |
96 | 92 // We should add inactive file-backed memory also but there is no such |
97 return static_cast<int64_t>(vm_info.free_count - vm_info.speculative_count) * | 93 // information from iOS unfortunately. |
98 PAGE_SIZE; | 94 return static_cast<int64_t>(info.free + info.speculative) * 1024; |
99 } | 95 } |
100 | 96 |
101 // static | 97 // static |
102 std::string SysInfo::CPUModelName() { | 98 std::string SysInfo::CPUModelName() { |
103 char name[256]; | 99 char name[256]; |
104 size_t len = arraysize(name); | 100 size_t len = arraysize(name); |
105 if (sysctlbyname("machdep.cpu.brand_string", &name, &len, NULL, 0) == 0) | 101 if (sysctlbyname("machdep.cpu.brand_string", &name, &len, NULL, 0) == 0) |
106 return name; | 102 return name; |
107 return std::string(); | 103 return std::string(); |
108 } | 104 } |
109 | 105 |
110 } // namespace base | 106 } // namespace base |
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