third_party/power_gadget/PowerGadgetLib.h

   1 // Copyright (c) 2014, Intel Corporation
   2 // All rights reserved.
   3 //
   4 // Redistribution and use in source and binary forms, with or without
   5 // modification, are permitted provided that the following conditions are
   6 // met:
   7 //
   8 //     * Redistributions of source code must retain the above copyright
   9 // notice, this list of conditions and the following disclaimer.
  10 //     * Redistributions in binary form must reproduce the above
  11 // copyright notice, this list of conditions and the following disclaimer
  12 // in the documentation and/or other materials provided with the
  13 // distribution.
  14 //     * Neither the name of Intel Corporation nor the names of its
  15 // contributors may be used to endorse or promote products derived from
  16 // this software without specific prior written permission.
  17 //
  18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29
  30 #include <Windows.h>
  31 #include <string>
  32
  33 typedef bool (*IPGInitialize) ();
  34 typedef bool (*IPGGetNumNodes) (int *nNodes);
  35 typedef bool (*IPGGetNumMsrs) (int *nMsr);
  36 typedef bool (*IPGGetMsrName) (int iMsr, wchar_t *szName);
  37 typedef bool (*IPGGetMsrFunc) (int iMsr, int *funcID);
  38 typedef bool (*IPGGetIAFrequency) (int iNode, int *freqInMHz);
  39 typedef bool (*IPGGetTDP) (int iNode, double *TDP);
  40 typedef bool (*IPGGetMaxTemperature) (int iNode, int *degreeC);
  41 typedef bool (*IPGGetTemperature) (int iNode, int *degreeC);
  42 typedef bool (*IPGReadSample) ();
  43 typedef bool (*IPGGetSysTime) (SYSTEMTIME *pSysTime);
  44 typedef bool (*IPGGetRDTSC) (UINT64 *TSC);
  45 typedef bool (*IPGGetTimeInterval) (double *offset);
  46 typedef bool (*IPGGetBaseFrequency) (int iNode, double *baseFrequency);
  47 typedef bool (*IPGGetPowerData) (int iNode, int iMSR, double *result, int *nResult);
  48 typedef bool (*IPGStartLog) (wchar_t *szFileName);
  49 typedef bool (*IPGStopLog) ();
  50
  51 class CIntelPowerGadgetLib
  52 {
  53 public:
  54         CIntelPowerGadgetLib(void);
  55         ~CIntelPowerGadgetLib(void);
  56
  57         bool IntelEnergyLibInitialize(void);
  58         bool GetNumNodes(int * nNodes);
  59         bool GetNumMsrs(int *nMsrs);
  60         bool GetMsrName(int iMsr, wchar_t *szName);
  61         bool GetMsrFunc(int iMsr, int *funcID);
  62         bool GetIAFrequency(int iNode, int *freqInMHz);
  63         bool GetTDP(int iNode, double *TDP);
  64         bool GetMaxTemperature(int iNode, int *degreeC);
  65         bool GetTemperature(int iNode, int *degreeC);
  66         bool ReadSample();
  67         bool GetSysTime(SYSTEMTIME *sysTime);
  68         bool GetRDTSC(UINT64 *TSC);
  69         bool GetTimeInterval(double *offset);
  70         bool GetBaseFrequency(int iNode, double *baseFrequency);
  71         bool GetPowerData(int iNode, int iMSR, double *results, int *nResult);
  72         bool StartLog(wchar_t *szFilename);
  73         bool StopLog();
  74         std::string GetLastError();
  75
  76 private:
  77         IPGInitialize pInitialize;
  78         IPGGetNumNodes pGetNumNodes;
  79         IPGGetNumMsrs pGetNumMsrs;
  80         IPGGetMsrName pGetMsrName;
  81         IPGGetMsrFunc pGetMsrFunc;
  82         IPGGetIAFrequency pGetIAFrequency;
  83         IPGGetTDP pGetTDP;
  84         IPGGetMaxTemperature pGetMaxTemperature;
  85         IPGGetTemperature pGetTemperature;
  86         IPGReadSample pReadSample;
  87         IPGGetSysTime pGetSysTime;
  88         IPGGetRDTSC pGetRDTSC;
  89         IPGGetTimeInterval pGetTimeInterval;
  90         IPGGetBaseFrequency pGetBaseFrequency;
  91         IPGGetPowerData pGetPowerData;
  92         IPGStartLog pStartLog;
  93         IPGStopLog pStopLog;
  94 };
  95