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      1 /*
      2  *  Copyright 2008 The WebRTC Project Authors. All rights reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef WEBRTC_BASE_SYSTEMINFO_H__
     12 #define WEBRTC_BASE_SYSTEMINFO_H__
     13 
     14 #include <string>
     15 
     16 #include "webrtc/base/basictypes.h"
     17 
     18 namespace rtc {
     19 
     20 class SystemInfo {
     21  public:
     22   enum Architecture {
     23     SI_ARCH_UNKNOWN = -1,
     24     SI_ARCH_X86 = 0,
     25     SI_ARCH_X64 = 1,
     26     SI_ARCH_ARM = 2
     27   };
     28 
     29   SystemInfo();
     30 
     31   // The number of CPU Cores in the system.
     32   int GetMaxPhysicalCpus();
     33   // The number of CPU Threads in the system.
     34   int GetMaxCpus();
     35   // The number of CPU Threads currently available to this process.
     36   int GetCurCpus();
     37   // Identity of the CPUs.
     38   Architecture GetCpuArchitecture();
     39   std::string GetCpuVendor();
     40   int GetCpuFamily();
     41   int GetCpuModel();
     42   int GetCpuStepping();
     43   // Return size of CPU cache in bytes.  Uses largest available cache (L3).
     44   int GetCpuCacheSize();
     45   // Estimated speed of the CPUs, in MHz.  e.g. 2400 for 2.4 GHz
     46   int GetMaxCpuSpeed();
     47   int GetCurCpuSpeed();
     48   // Total amount of physical memory, in bytes.
     49   int64 GetMemorySize();
     50   // The model name of the machine, e.g. "MacBookAir1,1"
     51   std::string GetMachineModel();
     52 
     53   // The gpu identifier
     54   struct GpuInfo {
     55     GpuInfo() : vendor_id(0), device_id(0) {}
     56     std::string device_name;
     57     std::string description;
     58     int vendor_id;
     59     int device_id;
     60     std::string driver;
     61     std::string driver_version;
     62   };
     63   bool GetGpuInfo(GpuInfo *info);
     64 
     65  private:
     66   int physical_cpus_;
     67   int logical_cpus_;
     68   int cache_size_;
     69   Architecture cpu_arch_;
     70   std::string cpu_vendor_;
     71   int cpu_family_;
     72   int cpu_model_;
     73   int cpu_stepping_;
     74   int cpu_speed_;
     75   int64 memory_;
     76   std::string machine_model_;
     77 };
     78 
     79 }  // namespace rtc
     80 
     81 #endif  // WEBRTC_BASE_SYSTEMINFO_H__
     82