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151 lines
4.5 KiB
C++
151 lines
4.5 KiB
C++
/*
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* Copyright 2013, Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Author: Joe Olivas <joseph.k.olivas@intel.com>
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*/
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#ifndef profiler_IntelPowerGadget_h
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#define profiler_IntelPowerGadget_h
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#ifdef _MSC_VER
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typedef __int32 int32_t;
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typedef unsigned __int32 uint32_t;
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typedef __int64 int64_t;
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typedef unsigned __int64 uint64_t;
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#else
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#include <stdint.h>
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#endif
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#include "prlink.h"
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typedef int (*IPGInitialize) ();
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typedef int (*IPGGetNumNodes) (int *nNodes);
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typedef int (*IPGGetNumMsrs) (int *nMsr);
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typedef int (*IPGGetMsrName) (int iMsr, wchar_t *szName);
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typedef int (*IPGGetMsrFunc) (int iMsr, int *pFuncID);
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typedef int (*IPGReadMSR) (int iNode, unsigned int address, uint64_t *value);
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typedef int (*IPGWriteMSR) (int iNode, unsigned int address, uint64_t value);
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typedef int (*IPGGetIAFrequency) (int iNode, int *freqInMHz);
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typedef int (*IPGGetTDP) (int iNode, double *TDP);
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typedef int (*IPGGetMaxTemperature) (int iNode, int *degreeC);
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typedef int (*IPGGetThresholds) (int iNode, int *degree1C, int *degree2C);
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typedef int (*IPGGetTemperature) (int iNode, int *degreeC);
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typedef int (*IPGReadSample) ();
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typedef int (*IPGGetSysTime) (void *pSysTime);
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typedef int (*IPGGetRDTSC) (uint64_t *pTSC);
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typedef int (*IPGGetTimeInterval) (double *pOffset);
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typedef int (*IPGGetBaseFrequency) (int iNode, double *pBaseFrequency);
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typedef int (*IPGGetPowerData) (int iNode, int iMSR, double *pResult, int *nResult);
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typedef int (*IPGStartLog) (wchar_t *szFileName);
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typedef int (*IPGStopLog) ();
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#if defined(__x86_64__) || defined(__x86_64) || defined(_M_AMD64)
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#define PG_LIBRARY_NAME "EnergyLib64"
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#else
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#define PG_LIBRARY_NAME "EnergyLib32"
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#endif
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class IntelPowerGadget
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{
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public:
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IntelPowerGadget();
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~IntelPowerGadget();
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// Fails if initialization is incomplete
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bool Init();
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// Returns the number of packages on the system
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int GetNumberNodes();
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// Returns the number of MSRs being tracked
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int GetNumberMsrs();
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// Given a node, returns the temperature
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int GetCPUFrequency(int);
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// Returns the TDP of the given node
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double GetTdp(int);
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// Returns the maximum temperature for the given node
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int GetMaxTemp(int);
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// Returns the current temperature in degrees C
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// of the given node
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int GetTemp(int);
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// Takes a sample of data. Must be called before
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// any current data is retrieved.
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int TakeSample();
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// Gets the timestamp of the most recent sample
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uint64_t GetRdtsc();
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// returns number of seconds between the last
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// two samples
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double GetInterval();
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// Returns the base frequency for the given node
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double GetCPUBaseFrequency(int node);
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// Returns the combined package power for all
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// packages on the system for the last sample.
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double GetTotalPackagePowerInWatts();
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double GetPackagePowerInWatts(int node);
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// Returns the combined CPU power for all
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// packages on the system for the last sample.
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// If the reading is not available, returns 0.0
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double GetTotalCPUPowerInWatts();
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double GetCPUPowerInWatts(int node);
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// Returns the combined GPU power for all
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// packages on the system for the last sample.
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// If the reading is not available, returns 0.0
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double GetTotalGPUPowerInWatts();
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double GetGPUPowerInWatts(int node);
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private:
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PRLibrary *libpowergadget;
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IPGInitialize Initialize;
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IPGGetNumNodes GetNumNodes;
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IPGGetNumMsrs GetNumMsrs;
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IPGGetMsrName GetMsrName;
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IPGGetMsrFunc GetMsrFunc;
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IPGReadMSR ReadMSR;
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IPGWriteMSR WriteMSR;
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IPGGetIAFrequency GetIAFrequency;
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IPGGetTDP GetTDP;
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IPGGetMaxTemperature GetMaxTemperature;
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IPGGetThresholds GetThresholds;
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IPGGetTemperature GetTemperature;
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IPGReadSample ReadSample;
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IPGGetSysTime GetSysTime;
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IPGGetRDTSC GetRDTSC;
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IPGGetTimeInterval GetTimeInterval;
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IPGGetBaseFrequency GetBaseFrequency;
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IPGGetPowerData GetPowerData;
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IPGStartLog StartLog;
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IPGStopLog StopLog;
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int packageMSR;
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int cpuMSR;
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int freqMSR;
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int tempMSR;
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};
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#endif // profiler_IntelPowerGadget_h
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