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* Copyright 2008 The WebRTC Project Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include <string>
#include "webrtc/base/basictypes.h"
namespace rtc {
class SystemInfo {
enum Architecture {
SI_ARCH_X86 = 0,
SI_ARCH_X64 = 1,
// The number of CPU Cores in the system.
int GetMaxPhysicalCpus();
// The number of CPU Threads in the system.
int GetMaxCpus();
// The number of CPU Threads currently available to this process.
int GetCurCpus();
// Identity of the CPUs.
Architecture GetCpuArchitecture();
std::string GetCpuVendor();
int GetCpuFamily();
int GetCpuModel();
int GetCpuStepping();
// Return size of CPU cache in bytes. Uses largest available cache (L3).
int GetCpuCacheSize();
// Estimated speed of the CPUs, in MHz. e.g. 2400 for 2.4 GHz
int GetMaxCpuSpeed();
int GetCurCpuSpeed();
// Total amount of physical memory, in bytes.
int64 GetMemorySize();
// The model name of the machine, e.g. "MacBookAir1,1"
std::string GetMachineModel();
// The gpu identifier
struct GpuInfo {
std::string device_name;
std::string description;
int vendor_id;
int device_id;
std::string driver;
std::string driver_version;
bool GetGpuInfo(GpuInfo *info);
int physical_cpus_;
int logical_cpus_;
int cache_size_;
Architecture cpu_arch_;
std::string cpu_vendor_;
int cpu_family_;
int cpu_model_;
int cpu_stepping_;
int cpu_speed_;
int64 memory_;
std::string machine_model_;
} // namespace rtc