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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd
** All rights reserved.
** For any questions to The Qt Company, please use contact form at http://www.qt.io/contact-us
**
** This file is part of the Qt Enterprise Perf Profiler Add-on.
**
** GNU General Public License Usage
** This file may be used under the terms of the GNU General Public License
** version 3 as published by the Free Software Foundation and appearing in
** the file LICENSE.GPLv3 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.html.
**
** If you have questions regarding the use of this file, please use
** contact form at http://www.qt.io/contact-us
**
****************************************************************************/
#pragma once
#include <QByteArray>
#include <QHash>
#include <QVector>
enum FormatFlags: quint32
{
FIELD_IS_ARRAY = 1 << 0,
FIELD_IS_POINTER = 1 << 1,
FIELD_IS_SIGNED = 1 << 2,
FIELD_IS_STRING = 1 << 3,
FIELD_IS_DYNAMIC = 1 << 4,
FIELD_IS_LONG = 1 << 5,
FIELD_IS_FLAG = 1 << 6,
FIELD_IS_SYMBOLIC = 1 << 7,
};
struct FormatField
{
QByteArray type;
QByteArray name;
quint32 offset = 0;
quint32 size = 0;
quint32 arraylen = 0;
quint32 elementsize = 0;
quint32 flags = 0;
};
enum EventFormatFlags {
EVENT_FL_ISFTRACE = 0x01,
EVENT_FL_ISPRINT = 0x02,
EVENT_FL_ISBPRINT = 0x04,
EVENT_FL_ISFUNCENT = 0x10,
EVENT_FL_ISFUNCRET = 0x20,
EVENT_FL_NOHANDLE = 0x40,
EVENT_FL_PRINTRAW = 0x80,
EVENT_FL_FAILED = 0x80000000
};
struct EventFormat
{
QByteArray name;
QByteArray system;
QVector<FormatField> commonFields;
QVector<FormatField> fields;
quint32 flags = 0;
};
class PerfTracingData
{
public:
quint32 size() const { return m_size; }
void setSize(quint32 size) { m_size = size; }
QByteArray version() const { return m_version; }
const EventFormat &eventFormat(qint32 id) const;
const QHash<qint32, EventFormat> &eventFormats() const {return m_eventFormats; }
private:
bool readHeaderFiles(QDataStream &stream);
bool readFtraceFiles(QDataStream &stream);
bool readEventFiles(QDataStream &stream);
bool readProcKallsyms(QDataStream &stream);
bool readFtracePrintk(QDataStream &stream);
bool readSavedCmdline(QDataStream &stream);
bool readEventFormats(QDataStream &stream, const QByteArray &system);
FormatField readFormatField(const QByteArray &line);
quint32 m_size = 0;
QByteArray m_version;
bool m_bigEndian = false;
bool m_fileLongSize = false;
qint32 m_filePageSize = false;
QHash<qint32, EventFormat> m_eventFormats;
QVector<FormatField> m_headerFields;
QHash<quint64, QByteArray> m_ftracePrintk;
QVector<QByteArray> m_savedCmdlines;
friend QDataStream &operator>>(QDataStream &stream, PerfTracingData &record);
};
QDataStream &operator>>(QDataStream &stream, PerfTracingData &record);
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