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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd
** Contact: http://www.qt.io/licensing/
**
** 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
**
****************************************************************************/
#include "perffeatures.h"
#include "perfparsertestclient.h"
#include <QtEndian>
#include <QtTest>
PerfParserTestClient::PerfParserTestClient(QObject *parent) : QObject(parent)
{
}
void PerfParserTestClient::extractTrace(QIODevice *device)
{
QVERIFY(device->bytesAvailable() > 0);
const char streamMagic[] = "QPERFSTREAM";
const int magicSize = sizeof(streamMagic);
QVarLengthArray<char> magic(magicSize);
device->read(magic.data(), magicSize);
QCOMPARE(QByteArray(magic.data(), magic.size()), QByteArray(streamMagic, magicSize));
qint32 version;
device->read(reinterpret_cast<char *>(&version), sizeof(qint32));
version = qFromLittleEndian(version);
QVERIFY(version == QDataStream::Qt_DefaultCompiledVersion);
float progress = -1;
auto checkString = [this](qint32 id) {
QVERIFY(id < m_strings.length());
QVERIFY(!m_strings[id].isEmpty());
};
auto checkLocation = [this](qint32 id) {
QVERIFY(id < m_locations.length());
QVERIFY(m_locations[id].pid != 0);
};
auto checkAttribute = [this, &checkString](qint32 id) {
QVERIFY(id < m_attributes.length());
checkString(m_attributes[id].name);
};
while (device->bytesAvailable() >= static_cast<qint64>(sizeof(quint32))) {
qint32 size;
device->read(reinterpret_cast<char *>(&size), sizeof(quint32));
size = qFromLittleEndian(size);
QVERIFY(device->bytesAvailable() >= size);
QDataStream stream(device->read(size));
quint8 eventType;
stream >> eventType;
switch (eventType) {
case ThreadEnd: {
ThreadEndEvent threadEnd;
stream >> threadEnd.pid >> threadEnd.tid >> threadEnd.time;
m_threadEnds.append(threadEnd);
break;
}
case Command: {
CommandEvent command;
stream >> command.pid >> command.tid >> command.time >> command.name;
checkString(command.name);
m_commands.append(command);
break;
}
case LocationDefinition: {
qint32 id;
LocationEvent location;
stream >> id >> location.address >> location.file >> location.pid >> location.line
>> location.column >> location.parentLocationId;
if (location.file != -1)
checkString(location.file);
if (location.parentLocationId != -1)
checkLocation(location.parentLocationId);
QCOMPARE(id, m_locations.length());
m_locations.append(location);
break;
}
case SymbolDefinition: {
qint32 id;
SymbolEvent symbol;
stream >> id >> symbol.name >> symbol.binary >> symbol.isKernel;
if (symbol.name != -1)
checkString(symbol.name);
if (symbol.binary != -1)
checkString(symbol.binary);
QCOMPARE(id, m_symbols.length());
m_symbols.append(symbol);
break;
}
case AttributesDefinition: {
qint32 id;
AttributeEvent attribute;
stream >> id >> attribute.type >> attribute.config >> attribute.name;
checkString(attribute.name);
QCOMPARE(id, m_attributes.length());
m_attributes.append(attribute);
break;
}
case StringDefinition: {
qint32 id;
QByteArray string;
stream >> id >> string;
QCOMPARE(id, m_strings.length());
m_strings.append(string);
break;
}
case Error: {
qint32 errorCode;
QString message;
stream >> errorCode >> message;
// Ignore this: We cannot find the elfs of course.
break;
}
case Sample:
case TracePointSample: {
SampleEvent sample;
stream >> sample.pid >> sample.tid >> sample.time >> sample.frames
>> sample.numGuessedFrames >> sample.attributeId >> sample.period
>> sample.weight;
for (qint32 locationId : qAsConst(sample.frames))
checkLocation(locationId);
checkAttribute(sample.attributeId);
if (eventType == TracePointSample) {
stream >> sample.tracePointData;
for (auto it = sample.tracePointData.constBegin(),
end = sample.tracePointData.constEnd();
it != end; ++it) {
checkString(it.key());
}
}
m_samples.append(sample);
break;
}
case Progress: {
const float oldProgress = progress;
stream >> progress;
QVERIFY(progress > oldProgress);
break;
}
case TracePointFormat: {
qint32 id;
TracePointFormatEvent tracePointFormat;
stream >> id >> tracePointFormat.system >> tracePointFormat.name
>> tracePointFormat.flags;
checkString(tracePointFormat.system);
checkString(tracePointFormat.name);
QVERIFY(!m_tracePointFormats.contains(id));
m_tracePointFormats.insert(id, tracePointFormat);
break;
}
default:
stream.skipRawData(size);
break;
}
QVERIFY(stream.atEnd());
}
}
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