The Tor Browser: tools/profiler/IntelPowerGadget.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  * Copyright 2013, Intel Corporation

     3  *

     4  * Licensed under the Apache License, Version 2.0 (the "License");

     5  * you may not use this file except in compliance with the License.

     6  * You may obtain a copy of the License at

     7  *

     8  * http://www.apache.org/licenses/LICENSE-2.0

     9  *

    10  * Unless required by applicable law or agreed to in writing, software

    11  * distributed under the License is distributed on an "AS IS" BASIS,

    12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    13  * See the License for the specific language governing permissions and

    14  * limitations under the License.

    15  *

    16  * Author: Joe Olivas <joseph.k.olivas@intel.com>

    17  */

    19 #ifndef profiler_IntelPowerGadget_h

    20 #define profiler_IntelPowerGadget_h

    22 #ifdef _MSC_VER

    23 typedef __int32 int32_t;

    24 typedef unsigned __int32 uint32_t;

    25 typedef __int64 int64_t;

    26 typedef unsigned __int64 uint64_t;

    27 #else

    28 #include <stdint.h>

    29 #endif

    30 #include "prlink.h"

    32 typedef int (*IPGInitialize) ();

    33 typedef int (*IPGGetNumNodes) (int *nNodes);

    34 typedef int (*IPGGetNumMsrs) (int *nMsr);

    35 typedef int (*IPGGetMsrName) (int iMsr, wchar_t *szName);

    36 typedef int (*IPGGetMsrFunc) (int iMsr, int *pFuncID);

    37 typedef int (*IPGReadMSR) (int iNode, unsigned int address, uint64_t *value);

    38 typedef int (*IPGWriteMSR) (int iNode, unsigned int address, uint64_t value);

    39 typedef int (*IPGGetIAFrequency) (int iNode, int *freqInMHz);

    40 typedef int (*IPGGetTDP) (int iNode, double *TDP);

    41 typedef int (*IPGGetMaxTemperature) (int iNode, int *degreeC);

    42 typedef int (*IPGGetThresholds) (int iNode, int *degree1C, int *degree2C);

    43 typedef int (*IPGGetTemperature) (int iNode, int *degreeC);

    44 typedef int (*IPGReadSample) ();

    45 typedef int (*IPGGetSysTime) (void *pSysTime);

    46 typedef int (*IPGGetRDTSC) (uint64_t *pTSC);

    47 typedef int (*IPGGetTimeInterval) (double *pOffset);

    48 typedef int (*IPGGetBaseFrequency) (int iNode, double *pBaseFrequency);

    49 typedef int (*IPGGetPowerData) (int iNode, int iMSR, double *pResult, int *nResult);

    50 typedef int (*IPGStartLog) (wchar_t *szFileName);

    51 typedef int (*IPGStopLog) ();

    53 #if defined(__x86_64__) || defined(__x86_64) || defined(_M_AMD64)

    54 #define PG_LIBRARY_NAME "EnergyLib64"

    55 #else

    56 #define PG_LIBRARY_NAME "EnergyLib32"

    57 #endif

    60 class IntelPowerGadget

    61 {

    62 public:

    64     IntelPowerGadget();

    65     ~IntelPowerGadget();

    67     // Fails if initialization is incomplete

    68     bool Init();

    70     // Returns the number of packages on the system

    71     int GetNumberNodes();

    73     // Returns the number of MSRs being tracked

    74     int GetNumberMsrs();

    76     // Given a node, returns the temperature

    77     int GetCPUFrequency(int);

    79     // Returns the TDP of the given node

    80     double GetTdp(int);

    82     // Returns the maximum temperature for the given node

    83     int GetMaxTemp(int);

    85     // Returns the current temperature in degrees C

    86     // of the given node

    87     int GetTemp(int);

    89     // Takes a sample of data. Must be called before

    90     // any current data is retrieved.

    91     int TakeSample();

    93     // Gets the timestamp of the most recent sample

    94     uint64_t GetRdtsc();

    96     // returns number of seconds between the last

    97     // two samples

    98     double GetInterval();

   100     // Returns the base frequency for the given node

   101     double GetCPUBaseFrequency(int node);

   103     // Returns the combined package power for all

   104     // packages on the system for the last sample.

   105     double GetTotalPackagePowerInWatts();

   106     double GetPackagePowerInWatts(int node);

   108     // Returns the combined CPU power for all

   109     // packages on the system for the last sample.

   110     // If the reading is not available, returns 0.0

   111     double GetTotalCPUPowerInWatts();

   112     double GetCPUPowerInWatts(int node);

   114     // Returns the combined GPU power for all

   115     // packages on the system for the last sample.

   116     // If the reading is not available, returns 0.0

   117     double GetTotalGPUPowerInWatts();

   118     double GetGPUPowerInWatts(int node);

   120 private:

   122     PRLibrary *libpowergadget;

   123     IPGInitialize Initialize;

   124     IPGGetNumNodes GetNumNodes;

   125     IPGGetNumMsrs GetNumMsrs;

   126     IPGGetMsrName GetMsrName;

   127     IPGGetMsrFunc GetMsrFunc;

   128     IPGReadMSR ReadMSR;

   129     IPGWriteMSR WriteMSR;

   130     IPGGetIAFrequency GetIAFrequency;

   131     IPGGetTDP GetTDP;

   132     IPGGetMaxTemperature GetMaxTemperature;

   133     IPGGetThresholds GetThresholds;

   134     IPGGetTemperature GetTemperature;

   135     IPGReadSample ReadSample;

   136     IPGGetSysTime GetSysTime;

   137     IPGGetRDTSC GetRDTSC;

   138     IPGGetTimeInterval GetTimeInterval;

   139     IPGGetBaseFrequency GetBaseFrequency;

   140     IPGGetPowerData GetPowerData;

   141     IPGStartLog StartLog;

   142     IPGStopLog StopLog;

   144     int packageMSR;

   145     int cpuMSR;

   146     int freqMSR;

   147     int tempMSR;

   148 };

   150 #endif // profiler_IntelPowerGadget_h

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