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/* This file is part of KDevelop
Copyright 2017 René J.V. Bertin <rjvbertin@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <interfaces/iplugin.h>
#include <interfaces/icore.h>
#include <interfaces/iplugincontroller.h>
#include <project/abstractfilemanagerplugin.h>
#include <project/projectmodel.h>
#include <shell/projectcontroller.h>
#include <tests/autotestshell.h>
#include <tests/testcore.h>
#include <tests/testproject.h>
#include <tests/testplugincontroller.h>
#include <util/path.h>
#include <KJob>
#include <KDirWatch>
#include <QApplication>
#include <QList>
#include <QFileInfo>
#include <QElapsedTimer>
#include <QMap>
#include <QDebug>
#include <QTextStream>
using namespace KDevelop;
namespace KDevelop {
using TextStreamFunction = QTextStream& (*)(QTextStream&);
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
constexpr TextStreamFunction endl = Qt::endl;
#else
constexpr TextStreamFunction endl = ::endl;
#endif
// wrap the ProjectController to make its addProject() method public
class ProjectControllerWrapper : public ProjectController
{
Q_OBJECT
public:
ProjectControllerWrapper(Core* core)
: ProjectController(core)
{}
using ProjectController::addProject;
};
class AbstractFileManagerPluginImportBenchmark : public QObject
{
Q_OBJECT
public:
AbstractFileManagerPluginImportBenchmark(AbstractFileManagerPlugin* manager, const QString& path,
TestCore* core)
: QObject(core)
, m_out(stdout)
, m_core(core)
{
m_manager = manager;
m_project = new TestProject(Path(path));
}
void start()
{
m_projectNumber = s_numBenchmarksRunning++;
m_out << "Starting import of project " << m_project->path().toLocalFile() << endl;
auto *projectController = qobject_cast<ProjectControllerWrapper*>(m_core->projectController());
projectController->addProject(m_project);
m_timer.start();
auto root = m_manager->import(m_project);
int elapsed = m_timer.elapsed();
m_out << "\tcreating dirwatcher took "
<< elapsed / 1000.0 << " seconds" << endl;
auto import = m_manager->createImportJob(root);
connect(import, &KJob::finished,
this, &AbstractFileManagerPluginImportBenchmark::projectImportDone);
m_timer.restart();
import->start();
}
AbstractFileManagerPlugin* m_manager;
TestProject* m_project;
QElapsedTimer m_timer;
int m_projectNumber;
QTextStream m_out;
TestCore* m_core;
static int s_numBenchmarksRunning;
Q_SIGNALS:
void finished();
private Q_SLOTS:
void projectImportDone(KJob* job)
{
Q_UNUSED(job);
int elapsed = m_timer.elapsed();
m_out << "importing " << m_project->fileSet().size()
<< " items into project #" << m_projectNumber
<< " took " << elapsed / 1000.0 << " seconds" << endl;
s_numBenchmarksRunning -= 1;
if (s_numBenchmarksRunning <= 0) {
emit finished();
}
}
};
int AbstractFileManagerPluginImportBenchmark::s_numBenchmarksRunning = 0;
}
int main(int argc, char** argv)
{
if (argc < 2) {
qWarning() << "Usage:" << argv[0] << "projectDir1 [...projectDirN]";
return 1;
}
QApplication app(argc, argv);
QTextStream qout(stdout);
// measure the total test time, this provides an indication
// of overhead and how well multiple projects are imported in parallel
// (= how different is the total time from the import time of the largest
// project). When testing a single project the difference between this
// value and total runtime will provide an estimate of the time required
// to destroy the dirwatcher.
QElapsedTimer runTimer;
AutoTestShell::init({"no plugins"});
auto core = TestCore::initialize();
// load/activate the "Project Filter" plugin (it won't be available to us without this step):
core->pluginController()->allPluginsForExtension(QStringLiteral("org.kdevelop.IProjectFilter"));
auto projectController = new ProjectControllerWrapper(core);
delete core->projectController();
core->setProjectController(projectController);
auto manager = new AbstractFileManagerPlugin({}, core);
const char *kdwMethod[] = {"FAM", "Inotify", "Stat", "QFSWatch"};
qout << "KDirWatch backend: " << kdwMethod[KDirWatch().internalMethod()] << KDevelop::endl;
QList<AbstractFileManagerPluginImportBenchmark*> benchmarks;
for (int i = 1 ; i < argc ; ++i) {
const QString path = QString::fromUtf8(argv[i]);
if (QFileInfo(path).isDir()) {
const auto benchmark = new AbstractFileManagerPluginImportBenchmark(manager, path, core);
benchmarks << benchmark;
QObject::connect(benchmark, &AbstractFileManagerPluginImportBenchmark::finished,
&app, [&runTimer, &qout] {
qout << "Done in " << runTimer.elapsed() / 1000.0
<< " seconds total\n";
QCoreApplication::instance()->quit();
});
}
}
if (benchmarks.isEmpty()) {
qWarning() << "no projects to import (arguments must be directories)";
return 1;
}
runTimer.start();
for (auto benchmark : qAsConst(benchmarks)) {
benchmark->start();
}
return app.exec();
}
#include "abstractfilemanagerpluginimportbenchmark.moc"
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