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Better CPU frequency detection for Linux

This commit is contained in:
Phillip Stephens 2018-06-08 13:59:22 -07:00
parent 50c543d73a
commit be35f67bc9
1 changed files with 6 additions and 16 deletions
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22
hecl-gui/SysReqTableView.cpp
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@ -9,6 +9,7 @@
#include <QProcess>
#include <QStorageInfo>
#include "FindBlender.hpp"
#include <QDebug>
#if _WIN32
#include <Windows.h>
@ -45,23 +46,12 @@ SysReqTableModel::SysReqTableModel(QObject* parent)
: QAbstractTableModel(parent)
{
#ifdef __linux__
QProcess lscpuProc;
lscpuProc.start("lscpu", {"-J"}, QProcess::ReadOnly);
lscpuProc.waitForFinished();
QJsonDocument lscpu = QJsonDocument::fromJson(lscpuProc.readAll());
QJsonValue lscpuObj = lscpu.object().take("lscpu");
if (lscpuObj.type() == QJsonValue::Array)
QFile file("/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq");
if (file.open(QFile::ReadOnly))
{
for (const QJsonValue& v: lscpuObj.toArray())
{
QJsonObject vObj = v.toObject();
if (vObj.take("field").toString() == "CPU max MHz:")
{
double speed = vObj.take("data").toString().toDouble();
m_cpuSpeed = speed;
m_cpuSpeedStr.sprintf("%g GHz", speed / 1000.0);
}
}
QString str(file.readAll());
m_cpuSpeed = str.toInt() / 1000;
m_cpuSpeedStr.sprintf("%g GHz", m_cpuSpeed / 1000.0);
}
#elif defined(__APPLE__)
QProcess spProc;