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 using namespace std;
  34
  35 typedef bool (*IPGInitialize) ();
  36 typedef bool (*IPGGetNumNodes) (int *nNodes);
  37 typedef bool (*IPGGetNumMsrs) (int *nMsr);
  38 typedef bool (*IPGGetMsrName) (int iMsr, wchar_t *szName);
  39 typedef bool (*IPGGetMsrFunc) (int iMsr, int *funcID);
  40 typedef bool (*IPGGetIAFrequency) (int iNode, int *freqInMHz);
  41 typedef bool (*IPGGetTDP) (int iNode, double *TDP);
  42 typedef bool (*IPGGetMaxTemperature) (int iNode, int *degreeC);
  43 typedef bool (*IPGGetTemperature) (int iNode, int *degreeC);
  44 typedef bool (*IPGReadSample) ();
  45 typedef bool (*IPGGetSysTime) (SYSTEMTIME *pSysTime);
  46 typedef bool (*IPGGetRDTSC) (UINT64 *TSC);
  47 typedef bool (*IPGGetTimeInterval) (double *offset);
  48 typedef bool (*IPGGetBaseFrequency) (int iNode, double *baseFrequency);
  49 typedef bool (*IPGGetPowerData) (int iNode, int iMSR, double *result, int *nResult);
  50 typedef bool (*IPGStartLog) (wchar_t *szFileName);
  51 typedef bool (*IPGStopLog) ();
  52
  53 class CIntelPowerGadgetLib
  54 {
  55 public:
  56         CIntelPowerGadgetLib(void);
  57         ~CIntelPowerGadgetLib(void);
  58
  59         bool IntelEnergyLibInitialize(void);
  60         bool GetNumNodes(int * nNodes);
  61         bool GetNumMsrs(int *nMsrs);
  62         bool GetMsrName(int iMsr, wchar_t *szName);
  63         bool GetMsrFunc(int iMsr, int *funcID);
  64         bool GetIAFrequency(int iNode, int *freqInMHz);
  65         bool GetTDP(int iNode, double *TDP);
  66         bool GetMaxTemperature(int iNode, int *degreeC);
  67         bool GetTemperature(int iNode, int *degreeC);
  68         bool ReadSample();
  69         bool GetSysTime(SYSTEMTIME *sysTime);
  70         bool GetRDTSC(UINT64 *TSC);
  71         bool GetTimeInterval(double *offset);
  72         bool GetBaseFrequency(int iNode, double *baseFrequency);
  73         bool GetPowerData(int iNode, int iMSR, double *results, int *nResult);
  74         bool StartLog(wchar_t *szFilename);
  75         bool StopLog();
  76         string GetLastError();
  77
  78 private:
  79         IPGInitialize pInitialize;
  80         IPGGetNumNodes pGetNumNodes;
  81         IPGGetNumMsrs pGetNumMsrs;
  82         IPGGetMsrName pGetMsrName;
  83         IPGGetMsrFunc pGetMsrFunc;
  84         IPGGetIAFrequency pGetIAFrequency;
  85         IPGGetTDP pGetTDP;
  86         IPGGetMaxTemperature pGetMaxTemperature;
  87         IPGGetTemperature pGetTemperature;
  88         IPGReadSample pReadSample;
  89         IPGGetSysTime pGetSysTime;
  90         IPGGetRDTSC pGetRDTSC;
  91         IPGGetTimeInterval pGetTimeInterval;
  92         IPGGetBaseFrequency pGetBaseFrequency;
  93         IPGGetPowerData pGetPowerData;
  94         IPGStartLog pStartLog;
  95         IPGStopLog pStopLog;
  96 };
  97