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// Copyright (C) 2021 The Qt Company Ltd.
// Copyright (C) 2019 Luxoft Sweden AB
// Copyright (C) 2018 Pelagicore AG
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef PROCESSREADER_H
#define PROCESSREADER_H
#include <QtCore/QMutex>
#include <QtCore/QElapsedTimer>
#include <QtCore/QObject>
#include <QtAppManCommon/global.h>
#if defined(Q_OS_LINUX)
# include <memory>
# include <QtAppManMonitor/sysfsreader.h>
#endif
QT_BEGIN_NAMESPACE_AM
class ProcessReader : public QObject {
Q_OBJECT
public:
QMutex mutex;
qreal cpuLoad = 0.0;
struct Memory {
quint32 totalVm = 0;
quint32 totalRss = 0;
quint32 totalPss = 0;
quint32 textVm = 0;
quint32 textRss = 0;
quint32 textPss = 0;
quint32 heapVm = 0;
quint32 heapRss = 0;
quint32 heapPss = 0;
} memory;
#if defined(Q_OS_LINUX)
// solely for testing purposes
bool testReadSmaps(const QByteArray &smapsFile);
#endif
public slots:
void update();
void setProcessId(qint64 pid);
void enableMemoryReporting(bool enabled);
signals:
void updated();
private:
void openCpuLoad();
qreal readCpuLoad();
bool readMemory(Memory &mem);
#if defined(Q_OS_LINUX)
bool readSmaps(const QByteArray &smapsFile, Memory &mem);
std::unique_ptr<SysFsReader> m_statReader;
QElapsedTimer m_elapsedTime;
quint64 m_lastCpuUsage = 0.0;
#endif
qint64 m_pid = 0;
bool m_memoryReportingEnabled = true;
};
QT_END_NAMESPACE_AM
#endif // PROCESSREADER_H
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