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      1 /*
      2  * libjingle
      3  * Copyright 2008 Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #ifndef TALK_BASE_SYSTEMINFO_H__
     29 #define TALK_BASE_SYSTEMINFO_H__
     30 
     31 #include <string>
     32 
     33 #include "talk/base/basictypes.h"
     34 
     35 namespace talk_base {
     36 
     37 class SystemInfo {
     38  public:
     39   enum Architecture {
     40     SI_ARCH_UNKNOWN = -1,
     41     SI_ARCH_X86 = 0,
     42     SI_ARCH_X64 = 1,
     43     SI_ARCH_ARM = 2
     44   };
     45 
     46   SystemInfo();
     47 
     48   // The number of CPU Cores in the system.
     49   int GetMaxPhysicalCpus();
     50   // The number of CPU Threads in the system.
     51   int GetMaxCpus();
     52   // The number of CPU Threads currently available to this process.
     53   int GetCurCpus();
     54   // Identity of the CPUs.
     55   Architecture GetCpuArchitecture();
     56   std::string GetCpuVendor();
     57   int GetCpuFamily();
     58   int GetCpuModel();
     59   int GetCpuStepping();
     60   // Return size of CPU cache in bytes.  Uses largest available cache (L3).
     61   int GetCpuCacheSize();
     62   // Estimated speed of the CPUs, in MHz.  e.g. 2400 for 2.4 GHz
     63   int GetMaxCpuSpeed();
     64   int GetCurCpuSpeed();
     65   // Total amount of physical memory, in bytes.
     66   int64 GetMemorySize();
     67   // The model name of the machine, e.g. "MacBookAir1,1"
     68   std::string GetMachineModel();
     69 
     70   // The gpu identifier
     71   struct GpuInfo {
     72     GpuInfo() : vendor_id(0), device_id(0) {}
     73     std::string device_name;
     74     std::string description;
     75     int vendor_id;
     76     int device_id;
     77     std::string driver;
     78     std::string driver_version;
     79   };
     80   bool GetGpuInfo(GpuInfo *info);
     81 
     82  private:
     83   int physical_cpus_;
     84   int logical_cpus_;
     85   int cache_size_;
     86   Architecture cpu_arch_;
     87   std::string cpu_vendor_;
     88   int cpu_family_;
     89   int cpu_model_;
     90   int cpu_stepping_;
     91   int cpu_speed_;
     92   int64 memory_;
     93   std::string machine_model_;
     94 };
     95 
     96 }  // namespace talk_base
     97 
     98 #endif  // TALK_BASE_SYSTEMINFO_H__
     99