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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/extensions/api/system_cpu/cpu_info_provider.h" | |
| 6 | |
| 7 #include "base/sys_info.h" | |
| 8 | |
| 9 namespace extensions { | |
| 10 | |
| 11 using api::system_cpu::CpuInfo; | |
| 12 | |
| 13 // Static member intialization. | |
| 14 base::LazyInstance<scoped_refptr<CpuInfoProvider> > | |
| 15 CpuInfoProvider::provider_ = LAZY_INSTANCE_INITIALIZER; | |
| 16 | |
| 17 CpuInfoProvider::CpuInfoProvider() {} | |
| 18 | |
| 19 CpuInfoProvider::~CpuInfoProvider() {} | |
| 20 | |
| 21 const CpuInfo& CpuInfoProvider::cpu_info() const { | |
| 22 return info_; | |
| 23 } | |
| 24 | |
| 25 void CpuInfoProvider::InitializeForTesting( | |
| 26 scoped_refptr<CpuInfoProvider> provider) { | |
| 27 DCHECK(provider.get() != NULL); | |
| 28 provider_.Get() = provider; | |
| 29 } | |
| 30 | |
| 31 bool CpuInfoProvider::QueryInfo() { | |
| 32 info_.num_of_processors = base::SysInfo::NumberOfProcessors(); | |
| 33 info_.arch_name = base::SysInfo::OperatingSystemArchitecture(); | |
| 34 info_.model_name = base::SysInfo::CPUModelName(); | |
| 35 info_.features = GetFeatures(); | |
| 36 | |
| 37 info_.processors.clear(); | |
| 38 // Fill in the correct number of uninitialized ProcessorInfos. | |
| 39 for (int i = 0; i < info_.num_of_processors; ++i) { | |
| 40 info_.processors.push_back(linked_ptr<api::system_cpu::ProcessorInfo>( | |
| 41 new api::system_cpu::ProcessorInfo())); | |
| 42 } | |
| 43 // Initialize the ProcessorInfos, or return an empty array if that fails. | |
| 44 if (!QueryCpuTimePerProcessor(&info_.processors)) | |
| 45 info_.processors.clear(); | |
| 46 return true; | |
| 47 } | |
| 48 | |
| 49 std::vector<std::string> CpuInfoProvider::GetFeatures() const { | |
| 50 std::vector<std::string> features; | |
| 51 // These are the feature codes used by /proc/cpuinfo on Linux. | |
| 52 if (cpu_.has_mmx()) features.push_back("mmx"); | |
| 53 if (cpu_.has_sse()) features.push_back("sse"); | |
| 54 if (cpu_.has_sse2()) features.push_back("sse2"); | |
| 55 if (cpu_.has_sse3()) features.push_back("sse3"); | |
| 56 if (cpu_.has_ssse3()) features.push_back("ssse3"); | |
| 57 if (cpu_.has_sse41()) features.push_back("sse4_1"); | |
| 58 if (cpu_.has_sse42()) features.push_back("sse4_2"); | |
| 59 if (cpu_.has_avx()) features.push_back("avx"); | |
| 60 return features; | |
| 61 } | |
| 62 | |
| 63 // static | |
| 64 CpuInfoProvider* CpuInfoProvider::Get() { | |
| 65 if (provider_.Get().get() == NULL) | |
| 66 provider_.Get() = new CpuInfoProvider(); | |
| 67 return provider_.Get().get(); | |
| 68 } | |
| 69 | |
| 70 } // namespace extensions | |
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Chromium Code Reviews
Issue 389633002:
Move system.* family of APIs to extensions/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master