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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QTest>
#include <QtCore/QCoreApplication>
#if __has_include(<valgrind/valgrind.h>)
# include <valgrind/valgrind.h>
# define HAVE_VALGRIND_H
#endif
class tst_BenchlibCallgrind: public QObject
{
Q_OBJECT
private slots:
void failInChildProcess();
void twoHundredMillionInstructions();
};
void tst_BenchlibCallgrind::failInChildProcess()
{
#ifdef HAVE_VALGRIND_H
static double f = 1.0;
QBENCHMARK {
for (int i = 0; i < 1000000; ++i) {
f *= 1.1;
if (RUNNING_ON_VALGRIND) QFAIL("Running under valgrind!");
}
}
#else
QSKIP("Skipping test because I can't see <valgrind/valgrind.h> - is valgrind installed ?");
#endif
}
void tst_BenchlibCallgrind::twoHundredMillionInstructions()
{
#if defined(__GNUC__) && (defined(__i386) || defined(__x86_64))
QBENCHMARK {
__asm__ __volatile__(
"mov $100000000,%%eax \n"
"1: \n"
"dec %%eax \n"
"jnz 1b \n"
: /* no output */
: /* no input */
: /* clobber */ "eax"
);
}
#else
QSKIP("This test is only implemented for gcc on x86.");
#endif
}
int main(int argc, char *argv[])
{
std::vector<const char*> args(argv, argv + argc);
// Add the -callgrind argument unless (it's there anyway or) we're the
// recursive invocation with -callgrindchild passed.
if (std::find_if(args.begin(), args.end(),
[](const char *arg) {
return qstrcmp(arg, "-callgrindchild") == 0
|| qstrcmp(arg, "-callgrind") == 0;
}) == args.end()) {
args.push_back("-callgrind");
argc = args.size();
argv = const_cast<char**>(&args[0]);
}
QTEST_MAIN_IMPL(tst_BenchlibCallgrind)
}
#undef HAVE_VALGRIND_H
#include "tst_benchlibcallgrind.moc"
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