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