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/*
* Copyright (C) 2018-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "debug_settings_manager.h"
#include "shared/source/debug_settings/debug_variables_helper.h"
#include "shared/source/debug_settings/definitions/translate_debug_settings.h"
#include "shared/source/helpers/api_specific_config.h"
#include "shared/source/helpers/debug_helpers.h"
#include "shared/source/helpers/string.h"
#include "shared/source/utilities/debug_settings_reader_creator.h"
#include "shared/source/utilities/io_functions.h"
#include "shared/source/utilities/logger.h"
#include <chrono>
#include <cinttypes>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <sstream>
#include <type_traits>
namespace NEO {
#define DECLARE_DEBUG_SCOPED_V(dataType, variableName, defaultValue, description, ...) \
DECLARE_DEBUG_VARIABLE(dataType, variableName, defaultValue, description)
template <typename T>
static std::string toString(const T &arg) {
if constexpr (std::is_convertible_v<std::string, T>) {
return static_cast<std::string>(arg);
} else {
return std::to_string(arg);
}
}
template <DebugFunctionalityLevel debugLevel>
DebugSettingsManager<debugLevel>::DebugSettingsManager(const char *registryPath) {
readerImpl = SettingsReaderCreator::create(std::string(registryPath));
ApiSpecificConfig::initPrefixes();
for (auto prefixType : ApiSpecificConfig::getPrefixTypes()) {
this->scope |= getDebugVarScopeMaskFor(prefixType);
}
injectSettingsFromReader();
dumpFlags();
translateDebugSettings(flags);
while (isLoopAtDriverInitEnabled())
;
}
template <DebugFunctionalityLevel debugLevel>
DebugSettingsManager<debugLevel>::~DebugSettingsManager() {
readerImpl.reset();
};
template <DebugFunctionalityLevel debugLevel>
void DebugSettingsManager<debugLevel>::getHardwareInfoOverride(std::string &hwInfoConfig) {
std::string str = flags.HardwareInfoOverride.get();
if (str[0] == '\"') {
str.pop_back();
hwInfoConfig = str.substr(1, std::string::npos);
} else {
hwInfoConfig = str;
}
}
static const char *convPrefixToString(DebugVarPrefix prefix) {
if (prefix == DebugVarPrefix::neo) {
return "NEO_";
} else if (prefix == DebugVarPrefix::neoL0) {
return "NEO_L0_";
} else if (prefix == DebugVarPrefix::neoOcl) {
return "NEO_OCL_";
} else if (prefix == DebugVarPrefix::neoOcloc) {
return "NEO_OCLOC_";
} else {
return "";
}
}
template <DebugFunctionalityLevel debugLevel>
template <typename DataType>
void DebugSettingsManager<debugLevel>::dumpNonDefaultFlag(const char *variableName, const DataType &variableValue, const DataType &defaultValue, std::ostringstream &ostring) {
if (variableValue != defaultValue) {
const auto variableStringValue = toString(variableValue);
ostring << "Non-default value of debug variable: " << variableName << " = " << variableStringValue.c_str() << '\n';
}
}
template <DebugFunctionalityLevel debugLevel>
void DebugSettingsManager<debugLevel>::getStringWithFlags(std::string &allFlags, std::string &changedFlags) const {
std::ostringstream allFlagsStream;
allFlagsStream.str("");
std::ostringstream changedFlagsStream;
changedFlagsStream.str("");
#define DECLARE_DEBUG_VARIABLE(dataType, variableName, defaultValue, description) \
{ \
std::string neoKey = convPrefixToString(flags.variableName.getPrefixType()); \
constexpr auto keyName = getNonReleaseKeyName(#variableName); \
neoKey += keyName; \
allFlagsStream << neoKey.c_str() << " = " << flags.variableName.get() << '\n'; \
dumpNonDefaultFlag<dataType>(neoKey.c_str(), flags.variableName.get(), defaultValue, changedFlagsStream); \
}
if (registryReadAvailable() || isDebugKeysReadEnabled()) {
#include "debug_variables.inl"
}
#undef DECLARE_DEBUG_VARIABLE
#define DECLARE_DEBUG_VARIABLE(dataType, variableName, defaultValue, description) \
{ \
std::string neoKey = convPrefixToString(flags.variableName.getPrefixType()); \
neoKey += #variableName; \
allFlagsStream << neoKey.c_str() << " = " << flags.variableName.get() << '\n'; \
dumpNonDefaultFlag<dataType>(neoKey.c_str(), flags.variableName.get(), defaultValue, changedFlagsStream); \
}
#include "release_variables.inl"
#undef DECLARE_DEBUG_VARIABLE
allFlags = allFlagsStream.str();
changedFlags = changedFlagsStream.str();
}
template <DebugFunctionalityLevel debugLevel>
void DebugSettingsManager<debugLevel>::dumpFlags() const {
if (flags.PrintDebugSettings.get() == false) {
return;
}
std::ofstream settingsDumpFile{settingsDumpFileName, std::ios::out};
DEBUG_BREAK_IF(!settingsDumpFile.good());
std::string allFlags;
std::string changedFlags;
getStringWithFlags(allFlags, changedFlags);
PRINT_DEBUG_STRING(true, stdout, "%s", changedFlags.c_str());
settingsDumpFile << allFlags;
}
template <DebugFunctionalityLevel debugLevel>
void DebugSettingsManager<debugLevel>::injectSettingsFromReader() {
#undef DECLARE_DEBUG_VARIABLE
#define DECLARE_DEBUG_VARIABLE(dataType, variableName, defaultValue, description) \
{ \
DebugVarPrefix type; \
constexpr auto keyName = getNonReleaseKeyName(#variableName); \
dataType tempData = readerImpl->getSetting(keyName, flags.variableName.get(), type); \
if (0 != (this->scope & flags.variableName.getScopeMask())) { \
flags.variableName.setPrefixType(type); \
flags.variableName.set(tempData); \
} \
}
if (registryReadAvailable() || isDebugKeysReadEnabled()) {
#include "debug_variables.inl"
}
#undef DECLARE_DEBUG_VARIABLE
#define DECLARE_DEBUG_VARIABLE(dataType, variableName, defaultValue, description) \
{ \
DebugVarPrefix type; \
dataType tempData = readerImpl->getSetting(#variableName, flags.variableName.get(), type); \
if (0 != (this->scope & flags.variableName.getScopeMask())) { \
flags.variableName.setPrefixType(type); \
flags.variableName.set(tempData); \
} \
}
#include "release_variables.inl"
#undef DECLARE_DEBUG_VARIABLE
} // namespace NEO
void logDebugString(std::string_view debugString) {
NEO::fileLoggerInstance().logDebugString(true, debugString);
}
std::string DurationLog::getTimeString() {
auto now = std::chrono::steady_clock::now();
auto microseconds = std::chrono::duration_cast<std::chrono::microseconds>(now.time_since_epoch());
auto seconds = microseconds.count() / 1000000;
auto remainingMicroSeconds = microseconds.count() % 1000000;
char buffer[32];
std::snprintf(buffer, sizeof(buffer), "[%5" PRId64 ".%06" PRId64 "]",
static_cast<int64_t>(seconds), static_cast<int64_t>(remainingMicroSeconds));
return std::string(buffer);
}
template class DebugSettingsManager<DebugFunctionalityLevel::none>;
template class DebugSettingsManager<DebugFunctionalityLevel::full>;
template class DebugSettingsManager<DebugFunctionalityLevel::regKeys>;
}; // namespace NEO
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