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diff --git a/tests/manual/x11vkbtest/memorymonitor.h b/tests/manual/x11vkbtest/memorymonitor.h
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+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Virtual Keyboard module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MEMORYMONITOR_H
+#define MEMORYMONITOR_H
+
+#include <QtCharts/QChart>
+#include <QtCore/QTimer>
+
+QT_CHARTS_BEGIN_NAMESPACE
+class QSplineSeries;
+class QValueAxis;
+QT_CHARTS_END_NAMESPACE
+
+QT_CHARTS_USE_NAMESPACE
+
+class QMainWindow;
+
+class MemoryMonitor : public QChart
+{
+    Q_OBJECT
+public:
+    explicit MemoryMonitor(QMainWindow &window, QGraphicsItem *parent = nullptr, Qt::WindowFlags wFlags = nullptr);
+    ~MemoryMonitor();
+
+public:
+    void init();
+    void start();
+    void drawMemUsage(const ulong memUsed);
+    void setProcID(const qint64 procID);
+
+signals:
+    void memUsage(const quint64 timeElapsed, const ulong memSize);
+    void minAndPeakReport(const QString minPeakMemoryReport);
+
+public slots:
+    void saveChart();
+    void stopChart();
+
+private:
+    ulong currentMemUsage();
+    void storeMemValues(const ulong memValue);
+
+private:
+    QSplineSeries *m_series;
+    QStringList m_titles;
+    QValueAxis *m_axisX;
+    QValueAxis *m_axisY;
+    ulong m_x;
+    ulong m_y;
+    ulong m_peakMemory;
+    ulong m_minMemory;
+    qint64 m_procID;
+    QMainWindow &m_MainWindow;
+    QScreen *m_screen;
+    QTimer *m_drawInterval;
+    quint64 m_elapsedTime;
+    QGraphicsSimpleTextItem *m_minMemReading;
+    QGraphicsSimpleTextItem *m_curMemReading;
+    QGraphicsSimpleTextItem *m_peakMemReading;
+    QGraphicsSimpleTextItem *m_elapsedTimeReading;
+};
+
+#endif // MEMORYMONITOR_H