1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/tools/profiler/IntelPowerGadget.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,150 @@
1.4 +/*
1.5 + * Copyright 2013, Intel Corporation
1.6 + *
1.7 + * Licensed under the Apache License, Version 2.0 (the "License");
1.8 + * you may not use this file except in compliance with the License.
1.9 + * You may obtain a copy of the License at
1.10 + *
1.11 + * http://www.apache.org/licenses/LICENSE-2.0
1.12 + *
1.13 + * Unless required by applicable law or agreed to in writing, software
1.14 + * distributed under the License is distributed on an "AS IS" BASIS,
1.15 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.16 + * See the License for the specific language governing permissions and
1.17 + * limitations under the License.
1.18 + *
1.19 + * Author: Joe Olivas <joseph.k.olivas@intel.com>
1.20 + */
1.21 +
1.22 +#ifndef profiler_IntelPowerGadget_h
1.23 +#define profiler_IntelPowerGadget_h
1.24 +
1.25 +#ifdef _MSC_VER
1.26 +typedef __int32 int32_t;
1.27 +typedef unsigned __int32 uint32_t;
1.28 +typedef __int64 int64_t;
1.29 +typedef unsigned __int64 uint64_t;
1.30 +#else
1.31 +#include <stdint.h>
1.32 +#endif
1.33 +#include "prlink.h"
1.34 +
1.35 +typedef int (*IPGInitialize) ();
1.36 +typedef int (*IPGGetNumNodes) (int *nNodes);
1.37 +typedef int (*IPGGetNumMsrs) (int *nMsr);
1.38 +typedef int (*IPGGetMsrName) (int iMsr, wchar_t *szName);
1.39 +typedef int (*IPGGetMsrFunc) (int iMsr, int *pFuncID);
1.40 +typedef int (*IPGReadMSR) (int iNode, unsigned int address, uint64_t *value);
1.41 +typedef int (*IPGWriteMSR) (int iNode, unsigned int address, uint64_t value);
1.42 +typedef int (*IPGGetIAFrequency) (int iNode, int *freqInMHz);
1.43 +typedef int (*IPGGetTDP) (int iNode, double *TDP);
1.44 +typedef int (*IPGGetMaxTemperature) (int iNode, int *degreeC);
1.45 +typedef int (*IPGGetThresholds) (int iNode, int *degree1C, int *degree2C);
1.46 +typedef int (*IPGGetTemperature) (int iNode, int *degreeC);
1.47 +typedef int (*IPGReadSample) ();
1.48 +typedef int (*IPGGetSysTime) (void *pSysTime);
1.49 +typedef int (*IPGGetRDTSC) (uint64_t *pTSC);
1.50 +typedef int (*IPGGetTimeInterval) (double *pOffset);
1.51 +typedef int (*IPGGetBaseFrequency) (int iNode, double *pBaseFrequency);
1.52 +typedef int (*IPGGetPowerData) (int iNode, int iMSR, double *pResult, int *nResult);
1.53 +typedef int (*IPGStartLog) (wchar_t *szFileName);
1.54 +typedef int (*IPGStopLog) ();
1.55 +
1.56 +#if defined(__x86_64__) || defined(__x86_64) || defined(_M_AMD64)
1.57 +#define PG_LIBRARY_NAME "EnergyLib64"
1.58 +#else
1.59 +#define PG_LIBRARY_NAME "EnergyLib32"
1.60 +#endif
1.61 +
1.62 +
1.63 +class IntelPowerGadget
1.64 +{
1.65 +public:
1.66 +
1.67 + IntelPowerGadget();
1.68 + ~IntelPowerGadget();
1.69 +
1.70 + // Fails if initialization is incomplete
1.71 + bool Init();
1.72 +
1.73 + // Returns the number of packages on the system
1.74 + int GetNumberNodes();
1.75 +
1.76 + // Returns the number of MSRs being tracked
1.77 + int GetNumberMsrs();
1.78 +
1.79 + // Given a node, returns the temperature
1.80 + int GetCPUFrequency(int);
1.81 +
1.82 + // Returns the TDP of the given node
1.83 + double GetTdp(int);
1.84 +
1.85 + // Returns the maximum temperature for the given node
1.86 + int GetMaxTemp(int);
1.87 +
1.88 + // Returns the current temperature in degrees C
1.89 + // of the given node
1.90 + int GetTemp(int);
1.91 +
1.92 + // Takes a sample of data. Must be called before
1.93 + // any current data is retrieved.
1.94 + int TakeSample();
1.95 +
1.96 + // Gets the timestamp of the most recent sample
1.97 + uint64_t GetRdtsc();
1.98 +
1.99 + // returns number of seconds between the last
1.100 + // two samples
1.101 + double GetInterval();
1.102 +
1.103 + // Returns the base frequency for the given node
1.104 + double GetCPUBaseFrequency(int node);
1.105 +
1.106 + // Returns the combined package power for all
1.107 + // packages on the system for the last sample.
1.108 + double GetTotalPackagePowerInWatts();
1.109 + double GetPackagePowerInWatts(int node);
1.110 +
1.111 + // Returns the combined CPU power for all
1.112 + // packages on the system for the last sample.
1.113 + // If the reading is not available, returns 0.0
1.114 + double GetTotalCPUPowerInWatts();
1.115 + double GetCPUPowerInWatts(int node);
1.116 +
1.117 + // Returns the combined GPU power for all
1.118 + // packages on the system for the last sample.
1.119 + // If the reading is not available, returns 0.0
1.120 + double GetTotalGPUPowerInWatts();
1.121 + double GetGPUPowerInWatts(int node);
1.122 +
1.123 +private:
1.124 +
1.125 + PRLibrary *libpowergadget;
1.126 + IPGInitialize Initialize;
1.127 + IPGGetNumNodes GetNumNodes;
1.128 + IPGGetNumMsrs GetNumMsrs;
1.129 + IPGGetMsrName GetMsrName;
1.130 + IPGGetMsrFunc GetMsrFunc;
1.131 + IPGReadMSR ReadMSR;
1.132 + IPGWriteMSR WriteMSR;
1.133 + IPGGetIAFrequency GetIAFrequency;
1.134 + IPGGetTDP GetTDP;
1.135 + IPGGetMaxTemperature GetMaxTemperature;
1.136 + IPGGetThresholds GetThresholds;
1.137 + IPGGetTemperature GetTemperature;
1.138 + IPGReadSample ReadSample;
1.139 + IPGGetSysTime GetSysTime;
1.140 + IPGGetRDTSC GetRDTSC;
1.141 + IPGGetTimeInterval GetTimeInterval;
1.142 + IPGGetBaseFrequency GetBaseFrequency;
1.143 + IPGGetPowerData GetPowerData;
1.144 + IPGStartLog StartLog;
1.145 + IPGStopLog StopLog;
1.146 +
1.147 + int packageMSR;
1.148 + int cpuMSR;
1.149 + int freqMSR;
1.150 + int tempMSR;
1.151 +};
1.152 +
1.153 +#endif // profiler_IntelPowerGadget_h
