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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 "perfdata.h"
#include "perfparsertestclient.h"
#include "perfunwind.h"
#include <QBuffer>
#include <QDebug>
#include <QObject>
#include <QSignalSpy>
#include <QTest>
#include <QtEndian>
class TestPerfData : public QObject
{
Q_OBJECT
private slots:
void testTracingData_data();
void testTracingData();
void testContentSize();
};
static void setupUnwind(PerfUnwind *unwind, PerfHeader *header, QIODevice *input,
PerfAttributes *attributes)
{
if (!header->isPipe()) {
const qint64 filePos = input->pos();
attributes->read(input, header);
PerfFeatures features;
features.read(input, header);
PerfTracingData tracingData = features.tracingData();
QVERIFY(tracingData.size() > 0);
QCOMPARE(tracingData.version(), QByteArray("0.5"));
unwind->features(features);
const auto& attrs = attributes->attributes();
for (auto it = attrs.begin(), end = attrs.end(); it != end; ++it)
unwind->attr(PerfRecordAttr(it.value(), {it.key()}));
const QByteArray &featureArch = features.architecture();
unwind->setArchitecture(PerfRegisterInfo::archByName(featureArch));
input->seek(filePos);
}
}
static void process(PerfUnwind *unwind, QIODevice *input)
{
PerfHeader header(input);
PerfAttributes attributes;
PerfData data(unwind, &header, &attributes);
data.setSource(input);
QSignalSpy spy(&data, SIGNAL(finished()));
QObject::connect(&header, &PerfHeader::finished, &data, [&](){
setupUnwind(unwind, &header, input, &attributes);
data.read();
});
QObject::connect(&data, &PerfData::error, []() {
QFAIL("PerfData reported an error");
});
header.read();
QCOMPARE(spy.count(), 1);
unwind->finalize();
}
void TestPerfData::testTracingData_data()
{
QTest::addColumn<QString>("file");
QTest::addColumn<uint>("flushes");
QTest::addColumn<quint64>("maxTime");
QTest::addColumn<bool>("stats");
QTest::newRow("stream stats") << ":/probe.data.stream" << 2u << 13780586522722ull << true;
QTest::newRow("file stats") << ":/probe.data.file" << 3u << 13732862219876ull << true;
QTest::newRow("stream data") << ":/probe.data.stream" << 2u << 13780586522722ull << false;
QTest::newRow("file data") << ":/probe.data.file" << 3u << 13732862219876ull << false;
}
void TestPerfData::testTracingData()
{
QFETCH(QString, file);
QFETCH(uint, flushes);
QFETCH(quint64, maxTime);
QFETCH(bool, stats);
QBuffer output;
QFile input(file);
QVERIFY(input.open(QIODevice::ReadOnly));
QVERIFY(output.open(QIODevice::WriteOnly));
// Don't try to load any system files. They are not the same as the ones we use to report.
PerfUnwind unwind(&output, ":/", QString(), QString(), QString(), stats);
if (!stats) {
QTest::ignoreMessage(QtWarningMsg,
"PerfUnwind::ErrorCode(MissingElfFile): Could not find ELF file for "
"/home/ulf/dev/untitled1-Qt_5_9_1_gcc_64-Profile/untitled1. "
"This can break stack unwinding and lead to missing symbols.");
QTest::ignoreMessage(QtWarningMsg,
"PerfUnwind::ErrorCode(MissingElfFile): Could not find ELF file for "
"/lib/x86_64-linux-gnu/ld-2.24.so. "
"This can break stack unwinding and lead to missing symbols.");
QTest::ignoreMessage(QtWarningMsg,
"PerfUnwind::ErrorCode(MissingElfFile): Could not find ELF file for "
"/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.22. "
"This can break stack unwinding and lead to missing symbols.");
QTest::ignoreMessage(QtWarningMsg,
"PerfUnwind::ErrorCode(MissingElfFile): Could not find ELF file for "
"/lib/x86_64-linux-gnu/libm-2.24.so. "
"This can break stack unwinding and lead to missing symbols.");
QTest::ignoreMessage(QtWarningMsg,
"PerfUnwind::ErrorCode(MissingElfFile): Could not find ELF file for "
"/lib/x86_64-linux-gnu/libgcc_s.so.1. "
"This can break stack unwinding and lead to missing symbols.");
QTest::ignoreMessage(QtWarningMsg,
"PerfUnwind::ErrorCode(MissingElfFile): Could not find ELF file for "
"/lib/x86_64-linux-gnu/libc-2.24.so. "
"This can break stack unwinding and lead to missing symbols.");
}
process(&unwind, &input);
if (stats) {
const PerfUnwind::Stats stats = unwind.stats();
QCOMPARE(stats.numSamples, 1u);
QCOMPARE(stats.numMmaps, 120u);
QCOMPARE(stats.numRounds, 2u);
QCOMPARE(stats.numBufferFlushes, flushes);
QCOMPARE(stats.numTimeViolatingSamples, 0u);
QCOMPARE(stats.numTimeViolatingMmaps, 0u);
QCOMPARE(stats.maxBufferSize, 15488u);
QCOMPARE(stats.maxTime, maxTime);
return;
}
output.close();
output.open(QIODevice::ReadOnly);
PerfParserTestClient client;
client.extractTrace(&output);
const QVector<PerfParserTestClient::SampleEvent> samples = client.samples();
QVERIFY(samples.length() > 0);
for (const PerfParserTestClient::SampleEvent &sample : samples) {
const PerfParserTestClient::AttributeEvent attribute
= client.attribute(sample.attributeId);
QCOMPARE(attribute.type, 2u);
QVERIFY(attribute.config <= std::numeric_limits<qint32>::max());
const PerfParserTestClient::TracePointFormatEvent format
= client.tracePointFormat(static_cast<qint32>(attribute.config));
QCOMPARE(client.string(format.system), QByteArray("probe_untitled1"));
QCOMPARE(client.string(format.name), QByteArray("main"));
QCOMPARE(format.flags, 0u);
QCOMPARE(sample.tracePointData.size(), 1);
auto it = sample.tracePointData.constBegin();
QCOMPARE(client.string(it.key()), QByteArray("__probe_ip"));
QCOMPARE(it.value().type(), QVariant::ULongLong);
}
}
void TestPerfData::testContentSize()
{
QString file(":/contentsize.data");
QBuffer output;
QFile input(file);
QVERIFY(input.open(QIODevice::ReadOnly));
QVERIFY(output.open(QIODevice::WriteOnly));
// Don't try to load any system files. They are not the same as the ones we use to report.
PerfUnwind unwind(&output, ":/", QString(), QString(), QString(), true);
process(&unwind, &input);
QCOMPARE(unwind.stats().numSamples, 69u);
}
QTEST_GUILESS_MAIN(TestPerfData)
#include "tst_perfdata.moc"
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