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Fix energy counter precision for Sysman in Windows.

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Conversion to mJ was faulty and losing precision, this fix the problem.
This commit is contained in:
Daniel Enriquez
2020-12-15 15:54:56 -08:00
committed by Compute-Runtime-Automation
parent fffd178fd0
commit b83922ecdb
2 changed files with 8 additions and 3 deletions
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6
level_zero/tools/source/sysman/power/windows/os_power_imp.cpp
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@@ -90,8 +90,10 @@ ze_result_t WddmPowerImp::getEnergyCounter(zes_power_energy_counter_t *pEnergy)
uint32_t valueCounter = 0;
uint64_t valueTimeStamp = 0;
memcpy_s(&valueCounter, sizeof(uint32_t), response.dataBuffer, sizeof(uint32_t));
valueCounter = (valueCounter >> energyUnits);
pEnergy->energy = static_cast<uint64_t>(valueCounter) * convertJouleToMicroJoule;
uint32_t conversionUnit = (1 << energyUnits);
double valueConverted = static_cast<double>(valueCounter) / static_cast<double>(conversionUnit);
valueConverted *= static_cast<double>(convertJouleToMicroJoule);
pEnergy->energy = static_cast<uint64_t>(valueConverted);
memcpy_s(&valueTimeStamp, sizeof(uint64_t), (response.dataBuffer + sizeof(uint32_t)), sizeof(uint64_t));
pEnergy->timestamp = valueTimeStamp;