katie/tests/benchmarks/network/socket/selectpoll/main.cpp
Ivailo Monev 58691c8126 add select() vs poll() benchmark
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
2021-09-30 20:15:13 +03:00

68 lines
1.8 KiB
C++

/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2016 Ivailo Monev
**
** This file is part of the test suite of the Katie Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
**
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QTest>
#include <qnet_unix_p.h>
#include <qcore_unix_p.h>
QT_USE_NAMESPACE
static const int timeout = 100;
class tst_selectpoll : public QObject
{
Q_OBJECT
private slots:
void bench_select();
void bench_poll();
};
void tst_selectpoll::bench_select()
{
int posixSocket = qt_safe_socket(AF_INET, SOCK_STREAM, 0);
struct timeval tm = { 0l, timeout * 1000 };
QBENCHMARK {
fd_set fds;
FD_ZERO(&fds);
FD_SET(posixSocket, &fds);
int ret = qt_safe_select(posixSocket + 1, &fds, 0, 0, &tm);
Q_UNUSED(ret);
}
qt_safe_close(posixSocket);
}
void tst_selectpoll::bench_poll()
{
int posixSocket = qt_safe_socket(AF_INET, SOCK_STREAM, 0);
QBENCHMARK {
struct pollfd fds;
::memset(&fds, 0, sizeof(struct pollfd));
fds.fd = posixSocket;
fds.events = POLLIN;
int ret = qt_safe_poll(&fds, 1, timeout);
Q_UNUSED(ret);
}
qt_safe_close(posixSocket);
}
QTEST_MAIN(tst_selectpoll)
#include "moc_main.cpp"