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diff --git a/src/testlib/qbenchmarkperfevents_p.h b/src/testlib/qbenchmarkperfevents_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2013 Intel Corporation.
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtCore module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QBENCHMARKPERFEVENTS_P_H
+#define QBENCHMARKPERFEVENTS_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtTest/private/qbenchmarkmeasurement_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QBenchmarkPerfEventsMeasurer : public QBenchmarkMeasurerBase
+{
+public:
+    QBenchmarkPerfEventsMeasurer();
+    ~QBenchmarkPerfEventsMeasurer();
+    virtual void init();
+    virtual void start();
+    virtual qint64 checkpoint();
+    virtual qint64 stop();
+    virtual bool isMeasurementAccepted(qint64 measurement);
+    virtual int adjustIterationCount(int suggestion);
+    virtual int adjustMedianCount(int suggestion);
+    virtual bool repeatCount() { return 1; }
+    virtual bool needsWarmupIteration() { return true; }
+    virtual QTest::QBenchmarkMetric metricType();
+
+    static bool isAvailable();
+    static QTest::QBenchmarkMetric metricForEvent(quint32 type, quint64 event_id);
+    static void setCounter(const char *name);
+    static void listCounters();
+private:
+    int fd;
+
+    qint64 readValue();
+};
+
+QT_END_NAMESPACE
+
+#endif // QBENCHMARKPERFEVENTS_P_H