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fix: [memory] Memory show error in special platform. #512

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deepin-bot merged 1 commit into from
Aug 12, 2025
Merged

fix: [memory] Memory show error in special platform. #512

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51 changes: 19 additions & 32 deletions deepin-devicemanager-server/customgpuinfo/main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -51,56 +51,43 @@ bool getGpuBaseInfo(QMap<QString, QString> &mapInfo)

bool getGpuMemInfoForFTDTM(QMap<QString, QString> &mapInfo)
{
const QString filePath = "/sys/kernel/debug/gc/meminfo";
const QString filePath = "/sys/kernel/debug/gc/total_mem";
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QString totalValue;
bool foundTotal = false;

QFile file(filePath);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
qCritical() << "Error opening /sys/kernel/debug/gc/meminfo:" << file.errorString();
qCritical() << "Error opening /sys/kernel/debug/gc/total_mem:" << file.errorString();
return false;
}

QString content = QString::fromUtf8(file.readAll());
file.close();

if (content.isEmpty()) {
qCritical() << "Error: /sys/kernel/debug/gc/meminfo File is empty!";
qCritical() << "Error: /sys/kernel/debug/gc/total_mem File is empty!";
return false;
}

QRegularExpression system0Regex(R"(POOL SYSTEM0:*(.*?)POOL VIRTUAL:)",
QRegularExpression::DotMatchesEverythingOption);
QRegularExpressionMatch system0Match = system0Regex.match(content);
QRegularExpression regex(R"((\d+(?:\.\d+)?)\s*\(?(MB|GB|KB|B)\)?)",
QRegularExpression::CaseInsensitiveOption);
QRegularExpressionMatch memInfoMatch = regex.match(content);

if (!system0Match.hasMatch()) {
qCritical() << "Error: Failed to find SYSTEM0 section";
if (!memInfoMatch.hasMatch()) {
qCritical() << "Error: Failed to find memory info";
return false;
}

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;
}

if (!foundTotal || totalValue.isEmpty()) {
qCritical() << "Error: Failed to find Total value in SYSTEM0 content";
return false;
}

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";
}
double value = memInfoMatch.captured(1).toDouble();
QString unit = memInfoMatch.captured(2).toUpper();
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if (unit == "MB") {
totalValue = QString("%1GB").arg(value / 1024.0, 0, 'f', 2);
} else if (unit == "GB") {
totalValue = QString("%1GB").arg(value, 0, 'f', 2);
} else if (unit == "KB") {
totalValue = QString("%1GB").arg(value / (1024.0 * 1024.0), 0, 'f', 2);
} else if (unit == "B") {
totalValue = QString("%1GB").arg(value / (1024.0 * 1024.0 * 1024.0), 0, 'f', 2);
}

mapInfo.insert(kGraphicsMemory, totalValue);
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