diff options
Diffstat (limited to 'tools/profiler/core/IntelPowerGadget.cpp')
| -rw-r--r-- | tools/profiler/core/IntelPowerGadget.cpp | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/tools/profiler/core/IntelPowerGadget.cpp b/tools/profiler/core/IntelPowerGadget.cpp new file mode 100644 index 000000000..fe267b80f --- /dev/null +++ b/tools/profiler/core/IntelPowerGadget.cpp @@ -0,0 +1,310 @@ +/*
+ * 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>
+ */
+
+#include "nsDebug.h"
+#include "nsString.h"
+#include "IntelPowerGadget.h"
+#include "prenv.h"
+
+IntelPowerGadget::IntelPowerGadget() :
+ libpowergadget(nullptr),
+ Initialize(nullptr),
+ GetNumNodes(nullptr),
+ GetMsrName(nullptr),
+ GetMsrFunc(nullptr),
+ ReadMSR(nullptr),
+ WriteMSR(nullptr),
+ GetIAFrequency(nullptr),
+ GetTDP(nullptr),
+ GetMaxTemperature(nullptr),
+ GetThresholds(nullptr),
+ GetTemperature(nullptr),
+ ReadSample(nullptr),
+ GetSysTime(nullptr),
+ GetRDTSC(nullptr),
+ GetTimeInterval(nullptr),
+ GetBaseFrequency(nullptr),
+ GetPowerData(nullptr),
+ StartLog(nullptr),
+ StopLog(nullptr),
+ GetNumMsrs(nullptr),
+ packageMSR(-1),
+ cpuMSR(-1),
+ freqMSR(-1),
+ tempMSR(-1)
+{
+}
+
+bool
+IntelPowerGadget::Init()
+{
+ bool success = false;
+ const char *path = PR_GetEnv("IPG_Dir");
+ nsCString ipg_library;
+ if (path && *path) {
+ ipg_library.Append(path);
+ ipg_library.Append('/');
+ ipg_library.AppendLiteral(PG_LIBRARY_NAME);
+ libpowergadget = PR_LoadLibrary(ipg_library.get());
+ }
+
+ if(libpowergadget) {
+ Initialize = (IPGInitialize) PR_FindFunctionSymbol(libpowergadget, "IntelEnergyLibInitialize");
+ GetNumNodes = (IPGGetNumNodes) PR_FindFunctionSymbol(libpowergadget, "GetNumNodes");
+ GetMsrName = (IPGGetMsrName) PR_FindFunctionSymbol(libpowergadget, "GetMsrName");
+ GetMsrFunc = (IPGGetMsrFunc) PR_FindFunctionSymbol(libpowergadget, "GetMsrFunc");
+ ReadMSR = (IPGReadMSR) PR_FindFunctionSymbol(libpowergadget, "ReadMSR");
+ WriteMSR = (IPGWriteMSR) PR_FindFunctionSymbol(libpowergadget, "WriteMSR");
+ GetIAFrequency = (IPGGetIAFrequency) PR_FindFunctionSymbol(libpowergadget, "GetIAFrequency");
+ GetTDP = (IPGGetTDP) PR_FindFunctionSymbol(libpowergadget, "GetTDP");
+ GetMaxTemperature = (IPGGetMaxTemperature) PR_FindFunctionSymbol(libpowergadget, "GetMaxTemperature");
+ GetThresholds = (IPGGetThresholds) PR_FindFunctionSymbol(libpowergadget, "GetThresholds");
+ GetTemperature = (IPGGetTemperature) PR_FindFunctionSymbol(libpowergadget, "GetTemperature");
+ ReadSample = (IPGReadSample) PR_FindFunctionSymbol(libpowergadget, "ReadSample");
+ GetSysTime = (IPGGetSysTime) PR_FindFunctionSymbol(libpowergadget, "GetSysTime");
+ GetRDTSC = (IPGGetRDTSC) PR_FindFunctionSymbol(libpowergadget, "GetRDTSC");
+ GetTimeInterval = (IPGGetTimeInterval) PR_FindFunctionSymbol(libpowergadget, "GetTimeInterval");
+ GetBaseFrequency = (IPGGetBaseFrequency) PR_FindFunctionSymbol(libpowergadget, "GetBaseFrequency");
+ GetPowerData = (IPGGetPowerData) PR_FindFunctionSymbol(libpowergadget, "GetPowerData");
+ StartLog = (IPGStartLog) PR_FindFunctionSymbol(libpowergadget, "StartLog");
+ StopLog = (IPGStopLog) PR_FindFunctionSymbol(libpowergadget, "StopLog");
+ GetNumMsrs = (IPGGetNumMsrs) PR_FindFunctionSymbol(libpowergadget, "GetNumMsrs");
+ }
+
+ if(Initialize) {
+ Initialize();
+ int msrCount = GetNumberMsrs();
+ wchar_t name[1024] = {0};
+ for(int i = 0; i < msrCount; ++i) {
+ GetMsrName(i, name);
+ int func = 0;
+ GetMsrFunc(i, &func);
+ // MSR for frequency
+ if(wcscmp(name, L"CPU Frequency") == 0 && (func == 0)) {
+ this->freqMSR = i;
+ }
+ // MSR for Package
+ else if(wcscmp(name, L"Processor") == 0 && (func == 1)) {
+ this->packageMSR = i;
+ }
+ // MSR for CPU
+ else if(wcscmp(name, L"IA") == 0 && (func == 1)) {
+ this->cpuMSR = i;
+ }
+ // MSR for Temperature
+ else if(wcscmp(name, L"Package") == 0 && (func == 2)) {
+ this->tempMSR = i;
+ }
+ }
+ // Grab one sample at startup for a diff
+ TakeSample();
+ success = true;
+ }
+ return success;
+}
+
+IntelPowerGadget::~IntelPowerGadget()
+{
+ if(libpowergadget) {
+ NS_WARNING("Unloading PowerGadget library!\n");
+ PR_UnloadLibrary(libpowergadget);
+ libpowergadget = nullptr;
+ Initialize = nullptr;
+ GetNumNodes = nullptr;
+ GetMsrName = nullptr;
+ GetMsrFunc = nullptr;
+ ReadMSR = nullptr;
+ WriteMSR = nullptr;
+ GetIAFrequency = nullptr;
+ GetTDP = nullptr;
+ GetMaxTemperature = nullptr;
+ GetThresholds = nullptr;
+ GetTemperature = nullptr;
+ ReadSample = nullptr;
+ GetSysTime = nullptr;
+ GetRDTSC = nullptr;
+ GetTimeInterval = nullptr;
+ GetBaseFrequency = nullptr;
+ GetPowerData = nullptr;
+ StartLog = nullptr;
+ StopLog = nullptr;
+ GetNumMsrs = nullptr;
+ }
+}
+
+int
+IntelPowerGadget::GetNumberNodes()
+{
+ int nodes = 0;
+ if(GetNumNodes) {
+ int ok = GetNumNodes(&nodes);
+ }
+ return nodes;
+}
+
+int
+IntelPowerGadget::GetNumberMsrs()
+{
+ int msrs = 0;
+ if(GetNumMsrs) {
+ int ok = GetNumMsrs(&msrs);
+ }
+ return msrs;
+}
+
+int
+IntelPowerGadget::GetCPUFrequency(int node)
+{
+ int frequency = 0;
+ if(GetIAFrequency) {
+ int ok = GetIAFrequency(node, &frequency);
+ }
+ return frequency;
+}
+
+double
+IntelPowerGadget::GetTdp(int node)
+{
+ double tdp = 0.0;
+ if(GetTDP) {
+ int ok = GetTDP(node, &tdp);
+ }
+ return tdp;
+}
+
+int
+IntelPowerGadget::GetMaxTemp(int node)
+{
+ int maxTemperatureC = 0;
+ if(GetMaxTemperature) {
+ int ok = GetMaxTemperature(node, &maxTemperatureC);
+ }
+ return maxTemperatureC;
+}
+
+int
+IntelPowerGadget::GetTemp(int node)
+{
+ int temperatureC = 0;
+ if(GetTemperature) {
+ int ok = GetTemperature(node, &temperatureC);
+ }
+ return temperatureC;
+}
+
+int
+IntelPowerGadget::TakeSample()
+{
+ int ok = 0;
+ if(ReadSample) {
+ ok = ReadSample();
+ }
+ return ok;
+}
+
+uint64_t
+IntelPowerGadget::GetRdtsc()
+{
+ uint64_t rdtsc = 0;
+ if(GetRDTSC) {
+ int ok = GetRDTSC(&rdtsc);
+ }
+ return rdtsc;
+}
+
+double
+IntelPowerGadget::GetInterval()
+{
+ double interval = 0.0;
+ if(GetTimeInterval) {
+ int ok = GetTimeInterval(&interval);
+ }
+ return interval;
+}
+
+double
+IntelPowerGadget::GetCPUBaseFrequency(int node)
+{
+ double freq = 0.0;
+ if(GetBaseFrequency) {
+ int ok = GetBaseFrequency(node, &freq);
+ }
+ return freq;
+}
+
+double
+IntelPowerGadget::GetTotalPackagePowerInWatts()
+{
+ int nodes = GetNumberNodes();
+ double totalPower = 0.0;
+ for(int i = 0; i < nodes; ++i) {
+ totalPower += GetPackagePowerInWatts(i);
+ }
+ return totalPower;
+}
+
+double
+IntelPowerGadget::GetPackagePowerInWatts(int node)
+{
+ int numResult = 0;
+ double result[] = {0.0, 0.0, 0.0};
+ if(GetPowerData && packageMSR != -1) {
+ int ok = GetPowerData(node, packageMSR, result, &numResult);
+ }
+ return result[0];
+}
+
+double
+IntelPowerGadget::GetTotalCPUPowerInWatts()
+{
+ int nodes = GetNumberNodes();
+ double totalPower = 0.0;
+ for(int i = 0; i < nodes; ++i) {
+ totalPower += GetCPUPowerInWatts(i);
+ }
+ return totalPower;
+}
+
+double
+IntelPowerGadget::GetCPUPowerInWatts(int node)
+{
+ int numResult = 0;
+ double result[] = {0.0, 0.0, 0.0};
+ if(GetPowerData && cpuMSR != -1) {
+ int ok = GetPowerData(node, cpuMSR, result, &numResult);
+ }
+ return result[0];
+}
+
+double
+IntelPowerGadget::GetTotalGPUPowerInWatts()
+{
+ int nodes = GetNumberNodes();
+ double totalPower = 0.0;
+ for(int i = 0; i < nodes; ++i) {
+ totalPower += GetGPUPowerInWatts(i);
+ }
+ return totalPower;
+}
+
+double
+IntelPowerGadget::GetGPUPowerInWatts(int node)
+{
+ return 0.0;
+}
+
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