Perf: Improve program performance #507
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| cmake_minimum_required(VERSION 3.7) | ||
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| set(BIN_NAME "customgpuinfo") | ||
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| find_package(Qt5 COMPONENTS Core REQUIRED) | ||
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| file(GLOB_RECURSE SRC | ||
| "${CMAKE_CURRENT_SOURCE_DIR}/*.h" | ||
| "${CMAKE_CURRENT_SOURCE_DIR}/*.cpp" | ||
| ) | ||
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| add_executable(${BIN_NAME} | ||
| ${SRC} | ||
| ) | ||
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| target_include_directories(${BIN_NAME} PUBLIC | ||
| Qt5::Core | ||
| ) | ||
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| target_link_libraries(${BIN_NAME} PRIVATE | ||
| Qt5::Core | ||
| ) | ||
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| install(TARGETS ${BIN_NAME} DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/deepin-devicemanager) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| // SPDX-FileCopyrightText: 2025 UnionTech Software Technology Co., Ltd. | ||
| // | ||
| // SPDX-License-Identifier: GPL-3.0-or-later | ||
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| #include <QProcess> | ||
| #include <QMap> | ||
| #include <QRegularExpression> | ||
| #include <QFile> | ||
| #include <QDebug> | ||
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| #include <iostream> | ||
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| // 名称("Name") 厂商("Vendor") 型号("Model") 版本(Version) 显存("Graphics Memory") | ||
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| constexpr char kName[] { "Name" }; | ||
| constexpr char kVendor[] { "Vendor" }; | ||
| constexpr char kModel[] { "Model" }; | ||
| constexpr char kVersion[] { "Version" }; | ||
| constexpr char kGraphicsMemory[] { "Graphics Memory" }; | ||
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| bool getGpuBaseInfo(QMap<QString, QString> &mapInfo) | ||
| { | ||
| QProcess process; | ||
| QProcessEnvironment env = QProcessEnvironment::systemEnvironment(); | ||
| process.setProcessEnvironment(env); | ||
| process.start("/usr/bin/glxinfo", QStringList() << "-B"); | ||
| if (!process.waitForFinished(3000)) { | ||
| qCritical() << "Error executing glxinfo:" << process.errorString(); | ||
| return false; | ||
| } | ||
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| QString output = QString::fromLocal8Bit(process.readAllStandardOutput()); | ||
| QStringList lines = output.split('\n'); | ||
| QRegularExpression regex("^([^:]+):\\s*(.+)$"); | ||
| for (const QString &line : lines) { | ||
| QRegularExpressionMatch match = regex.match(line); | ||
| if (match.hasMatch()) { | ||
| QString key = match.captured(1).trimmed(); | ||
| QString value = match.captured(2).trimmed(); | ||
| if (key == "OpenGL renderer string") { | ||
| mapInfo.insert(kName, value); | ||
| mapInfo.insert(kModel, value); | ||
| } else if (key == "OpenGL vendor string") { | ||
| mapInfo.insert(kVendor, value); | ||
| } | ||
| } | ||
| } | ||
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| return true; | ||
| } | ||
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| bool getGpuMemInfoForFTDTM(QMap<QString, QString> &mapInfo) | ||
| { | ||
| const QString filePath = "/sys/kernel/debug/gc/meminfo"; | ||
| QString totalValue; | ||
| bool foundTotal = false; | ||
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| QFile file(filePath); | ||
| if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) { | ||
| qCritical() << "Error opening /sys/kernel/debug/gc/meminfo:" << file.errorString(); | ||
| return false; | ||
| } | ||
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| QString content = QString::fromUtf8(file.readAll()); | ||
| file.close(); | ||
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| if (content.isEmpty()) { | ||
| qCritical() << "Error: /sys/kernel/debug/gc/meminfo File is empty!"; | ||
| return false; | ||
| } | ||
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| QRegularExpression system0Regex(R"(POOL SYSTEM0:*(.*?)POOL VIRTUAL:)", | ||
| QRegularExpression::DotMatchesEverythingOption); | ||
| QRegularExpressionMatch system0Match = system0Regex.match(content); | ||
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| if (!system0Match.hasMatch()) { | ||
| qCritical() << "Error: Failed to find SYSTEM0 section"; | ||
| return false; | ||
| } | ||
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| QString system0Content = system0Match.captured(1); | ||
| QRegularExpression totalRegex(R"(Total\s*:\s*(\d+)\s+B)"); | ||
| QRegularExpressionMatch totalMatch = totalRegex.match(system0Content); | ||
| if (totalMatch.hasMatch()) { | ||
| totalValue = totalMatch.captured(1); | ||
| foundTotal = true; | ||
| } | ||
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| if (!foundTotal || totalValue.isEmpty()) { | ||
| qCritical() << "Error: Failed to find Total value in SYSTEM0 content"; | ||
| return false; | ||
| } | ||
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| bool ok; | ||
| quint64 memSize = totalValue.trimmed().toULong(&ok, 10); | ||
| if (ok && memSize >= 1048576) { | ||
| memSize /= 1048576; | ||
| auto curSize = memSize / 1024.0; | ||
| if (curSize >= 1) { | ||
| totalValue = QString::number(curSize) + "GB"; | ||
| } else { | ||
| totalValue = QString::number(memSize) + "MB"; | ||
| } | ||
| } | ||
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| mapInfo.insert(kGraphicsMemory, totalValue); | ||
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| return true; | ||
| } | ||
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| int main(int argc, char *argv[]) | ||
| { | ||
| QMap<QString, QString> mapInfo; | ||
| if (getGpuBaseInfo(mapInfo) && getGpuMemInfoForFTDTM(mapInfo)) { | ||
| for (auto it = mapInfo.begin(); it != mapInfo.end(); ++it) | ||
| std::cout << it.key().toStdString() << ": " << it.value().toStdString() << std::endl; | ||
| return 0; | ||
| } else { | ||
| return 1; | ||
| } | ||
| } | ||
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question (bug_risk): Always overwriting sPath with path may break fallback logic.
This change removes the fallback to the database value, which may cause issues if the fallback is required for some hardware.