qt 6.5.1 original

tests/benchmarks/dbus/qdbusperformance/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+add_subdirectory(server)
+add_subdirectory(test)

tests/benchmarks/dbus/qdbusperformance/server/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## server Binary:
+#####################################################################
+
+qt_internal_add_executable(server
+    GUI
+    OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/"
+    SOURCES
+        ../serverobject.h
+        server.cpp
+    LIBRARIES
+        Qt::DBus
+)

tests/benchmarks/dbus/qdbusperformance/server/server.cpp

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#include <QtCore/QtCore>
+
+
+#include "../serverobject.h"
+
+static const char serviceName[] = "org.qtproject.autotests.performance";
+static const char objectPath[] = "/";
+
+int main(int argc, char *argv[])
+{
+    QCoreApplication app(argc, argv);
+
+    QDBusConnection con = QDBusConnection::sessionBus();
+    if (!con.isConnected())
+        exit(1);
+
+    if (!con.registerService(serviceName))
+        exit(2);
+
+    ServerObject obj(objectPath, con);
+    printf("ready.\n");
+    fflush(stdout);
+    return app.exec();
+}
+

tests/benchmarks/dbus/qdbusperformance/serverobject.h

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+
+#ifndef SERVEROBJECT_H
+#define SERVEROBJECT_H
+
+#include <QObject>
+#include <QDBusConnection>
+#include <QDBusVariant>
+
+class ServerObject: public QObject
+{
+    Q_OBJECT
+    Q_CLASSINFO("D-Bus Interface", "org.qtproject.autotests.Performance")
+public:
+    ServerObject(const QString &objectPath, QDBusConnection conn, QObject *parent = nullptr)
+        : QObject(parent)
+    {
+        conn.registerObject(objectPath, this, QDBusConnection::ExportAllSlots);
+    }
+
+public slots:
+    Q_NOREPLY void noReply(const QByteArray &)
+    {
+        // black hole
+    }
+    Q_NOREPLY void noReply(const QString &)
+    {
+        // black hole
+    }
+    Q_NOREPLY void noReply(const QDBusVariant &)
+    {
+        // black hole
+    }
+
+    int size(const QByteArray &data)
+    {
+        return data.size();
+    }
+    int size(const QString &data)
+    {
+        return data.size();
+    }
+    int size(const QDBusVariant &data)
+    {
+        QVariant v = data.variant();
+        switch (v.typeId()) {
+        case QMetaType::QByteArray:
+            return v.toByteArray().size();
+        case QMetaType::QStringList:
+            return v.toStringList().size();
+        case QMetaType::QString:
+        default:
+            return v.toString().size();
+        }
+    }
+
+    QByteArray echo(const QByteArray &data)
+    {
+        return data;
+    }
+    QString echo(const QString &data)
+    {
+        return data;
+    }
+    QDBusVariant echo(const QDBusVariant &data)
+    {
+        return data;
+    }
+
+    void nothing()
+    {
+    }
+};
+
+#endif

tests/benchmarks/dbus/qdbusperformance/test/CMakeLists.txt

@@ -0,0 +1,15 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_qdbusperformance Binary:
+#####################################################################
+
+qt_internal_add_benchmark(tst_qdbusperformance
+    SOURCES
+        ../serverobject.h
+        ../tst_qdbusperformance.cpp
+    LIBRARIES
+        Qt::DBus
+        Qt::Test
+)

tests/benchmarks/dbus/qdbusperformance/tst_qdbusperformance.cpp

@@ -0,0 +1,197 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <QTest>
+#include <QTestEventLoop>
+#include <QProcess>
+#include <QDBusServiceWatcher>
+#include <QDBusConnectionInterface>
+#include <QDBusInterface>
+
+#include "./serverobject.h"
+
+static const char serviceName[] = "org.qtproject.autotests.performance";
+static const int runTime = 500;
+
+class tst_QDBusPerformance: public QObject
+{
+    Q_OBJECT
+    QProcess proc;
+    QDBusInterface *target;
+
+    QDBusInterface *remote;
+    QDBusInterface *local;
+
+    bool executeTest(const char *funcname, int size, const QVariant &data);
+
+public slots:
+    void initTestCase_data();
+    void initTestCase();
+    void init();
+
+private slots:
+    void callSpeed();
+
+    void oneWay_data();
+    void oneWay();
+    void oneWayVariant_data();
+    void oneWayVariant();
+
+    void roundTrip_data();
+    void roundTrip();
+    void roundTripVariant_data();
+    void roundTripVariant();
+};
+
+void tst_QDBusPerformance::initTestCase()
+{
+    QDBusConnection con = QDBusConnection::sessionBus();
+    QVERIFY(con.isConnected());
+
+    QDBusServiceWatcher watcher(serviceName, con,
+                                QDBusServiceWatcher::WatchForRegistration);
+    connect(&watcher, SIGNAL(serviceRegistered(QString)),
+            &QTestEventLoop::instance(), SLOT(exitLoop()));
+
+#ifdef Q_OS_WIN
+#  define EXE ".exe"
+#else
+#  define EXE ""
+#endif
+    proc.start(QFINDTESTDATA("../server/server" EXE));
+    QVERIFY2(proc.waitForStarted(), qPrintable(proc.errorString()));
+    QVERIFY(proc.waitForReadyRead());
+
+    QTestEventLoop::instance().enterLoop(5);
+    QVERIFY(con.interface()->isServiceRegistered(serviceName));
+
+    remote = new QDBusInterface(serviceName, "/", "org.qtproject.autotests.Performance", con, this);
+    QVERIFY(remote->isValid());
+
+    new ServerObject("/", con, this);
+    local = new QDBusInterface(con.baseService(), "/", "org.qtproject.autotests.Performance", con, this);
+    QVERIFY(local->isValid());
+}
+
+void tst_QDBusPerformance::initTestCase_data()
+{
+    QTest::addColumn<bool>("loopback");
+
+    QTest::newRow("normal") << false;
+    QTest::newRow("loopback") << true;
+}
+
+void tst_QDBusPerformance::init()
+{
+    QFETCH_GLOBAL(bool, loopback);
+    if (loopback)
+        target = local;
+    else
+        target = remote;
+}
+
+void tst_QDBusPerformance::callSpeed()
+{
+    QElapsedTimer timer;
+
+    int callCount = 0;
+    timer.start();
+    while (timer.elapsed() < runTime) {
+        QDBusReply<void> reply = target->call("nothing");
+        QVERIFY(reply.isValid());
+
+        ++callCount;
+    }
+    qDebug() << callCount << "calls in" << timer.elapsed() << "ms:"
+             << (callCount * 1000.0 / timer.elapsed()) << "calls/sec";
+}
+
+bool tst_QDBusPerformance::executeTest(const char *funcname, int size, const QVariant &data)
+{
+    QElapsedTimer timer;
+
+    int callCount = 0;
+    qint64 transferred = 0;
+    timer.start();
+    while (timer.elapsed() < runTime) {
+        QDBusMessage reply = target->call(funcname, data);
+        if (reply.type() != QDBusMessage::ReplyMessage)
+            return false;
+
+        transferred += size;
+        ++callCount;
+    }
+    qDebug() << transferred << "bytes in" << timer.elapsed() << "ms"
+             << "(in" << callCount << "calls):"
+             << (transferred * 1000.0 / timer.elapsed() / 1024 / 1024) << "MB/s";
+
+    return true;
+}
+
+void tst_QDBusPerformance::oneWay_data()
+{
+    QTest::addColumn<QVariant>("data");
+    QTest::addColumn<int>("size");
+
+    QByteArray ba(256, 'a');
+    while (ba.size() < 8193) {
+        QTest::newRow(QString("%1-byteArray").arg(ba.size()).toLatin1()) << QVariant::fromValue(ba) << ba.size();
+        ba += ba;
+    }
+
+    QString s(256, QLatin1Char('a'));
+    while (s.size() < 8193) {
+        QTest::newRow(QString("%1-string").arg(s.size()).toLatin1()) << QVariant::fromValue(s) << s.size();
+        s += s;
+    }
+}
+
+void tst_QDBusPerformance::oneWay()
+{
+    QFETCH(QVariant, data);
+    QFETCH(int, size);
+
+    QVERIFY(executeTest("size", size, data));
+}
+
+void tst_QDBusPerformance::oneWayVariant_data()
+{
+    oneWay_data();
+}
+
+void tst_QDBusPerformance::oneWayVariant()
+{
+    QFETCH(QVariant, data);
+    QFETCH(int, size);
+
+    QVERIFY(executeTest("size", size, QVariant::fromValue(QDBusVariant(data))));
+}
+
+void tst_QDBusPerformance::roundTrip_data()
+{
+    oneWay_data();
+}
+
+void tst_QDBusPerformance::roundTrip()
+{
+    QFETCH(QVariant, data);
+    QFETCH(int, size);
+
+    QVERIFY(executeTest("echo", size, data));
+}
+
+void tst_QDBusPerformance::roundTripVariant_data()
+{
+    oneWay_data();
+}
+
+void tst_QDBusPerformance::roundTripVariant()
+{
+    QFETCH(QVariant, data);
+    QFETCH(int, size);
+
+    QVERIFY(executeTest("echo", size, QVariant::fromValue(QDBusVariant(data))));
+}
+
+QTEST_MAIN(tst_QDBusPerformance)
+#include "tst_qdbusperformance.moc"