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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Messaging Framework.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "benchmarkcontext.h"
#include "testfsusage.h"
#if defined(Q_OS_LINUX)
#include "testmalloc.h"
#endif
#ifdef HAVE_VALGRIND
#include "3rdparty/cycle_p.h"
#include "3rdparty/callgrind_p.h"
#include "3rdparty/valgrind_p.h"
#else
#define RUNNING_ON_VALGRIND 0
#define CALLGRIND_ZERO_STATS
#define CALLGRIND_DUMP_STATS
#endif
#include <qmailnamespace.h>
#include <QCoreApplication>
#include <qmaillog.h>
#include <QDir>
#include <QElapsedTimer>
#include <QTest>
#undef HAVE_TICK_COUNTER // not useful for this test
class BenchmarkContextPrivate
{
public:
bool xml;
qint64 qmfUsage;
QElapsedTimer time;
#ifdef HAVE_TICK_COUNTER
CycleCounterTicks ticks;
#endif
};
BenchmarkContext::BenchmarkContext(bool xml)
: d(new BenchmarkContextPrivate)
{
d->xml = xml;
d->qmfUsage = TestFsUsage::usage(QMail::dataPath());
#ifdef HAVE_TICK_COUNTER
d->ticks = getticks();
#endif
d->time.start();
#if defined(Q_OS_LINUX)
TestMalloc::resetNow();
TestMalloc::resetPeak();
#endif
CALLGRIND_ZERO_STATS;
}
BenchmarkContext::~BenchmarkContext()
{
if (!QTest::currentTestFailed()) {
CALLGRIND_DUMP_STATS;
if (RUNNING_ON_VALGRIND) {
// look for callgrind.out.<PID>.<NUM> in CWD
QDir dir;
QFile file;
QString match = QString("callgrind.out.%1.").arg(QCoreApplication::applicationPid());
foreach (QString const& entry, dir.entryList(QDir::Files,QDir::Name)) {
if (entry.startsWith(match)) {
file.setFileName(entry);
}
}
if (file.fileName().isEmpty()) {
qWarning("I'm running on valgrind, but couldn't find callgrind.out file...");
return;
}
if (!file.open(QIODevice::ReadOnly)) {
qWarning("Failed to open %s: %s", qPrintable(file.fileName()),
qPrintable(file.errorString()));
}
QList<QByteArray> lines = file.readAll().split('\n');
qint64 ir = -1;
bool is_ir = false;
foreach (QByteArray const& line, lines) {
if (line == "events: Ir") {
is_ir = true;
continue;
}
if (is_ir) {
if (line.startsWith("summary: ")) {
bool ok;
ir = line.mid(sizeof("summary: ")-1).toLongLong(&ok);
if (!ok) ir = -1;
}
is_ir = false;
break;
}
}
if (ir == -1) {
qWarning("Found callgrind.out file, but it doesn't seem to contain a valid "
"Ir count...");
return;
}
if (d->xml) {
fprintf(stdout, "<BenchmarkResult metric=\"callgrind\" tag=\"%s\" value=\"%lld\" iterations=\"1\"/>\n", QTest::currentDataTag(), ir);
}
else {
qWarning("callgrind instruction count: %lld", ir);
}
// callgrind invalidates rest of results
return;
}
#ifdef HAVE_TICK_COUNTER
CycleCounterTicks newTicks = getticks();
#endif
// Note, kilo means 1000, not 1024 !
#if defined(Q_OS_LINUX)
int heapUsageTotal = TestMalloc::peakTotal()/1000;
int heapUsageUsable = TestMalloc::peakUsable()/1000;
#else
int heapUsageTotal = 0;
int heapUsageUsable = 0;
#endif
int ms = d->time.elapsed();
qint64 newQmfUsage = TestFsUsage::usage(QMail::dataPath());
#ifdef HAVE_TICK_COUNTER
quint64 cycles = quint64(elapsed(newTicks,d->ticks));
#endif
qint64 diskUsage = (newQmfUsage - d->qmfUsage) / 1000;
if (d->xml) {
if (!RUNNING_ON_VALGRIND) {
fprintf(stdout, "<BenchmarkResult metric=\"kilobytes heap usage\" tag=\"%s\" value=\"%d\" iterations=\"1\"/>\n", QTest::currentDataTag(), heapUsageTotal);
}
fprintf(stdout, "<BenchmarkResult metric=\"kilobytes disk usage\" tag=\"%s\" value=\"%lld\" iterations=\"1\"/>\n", QTest::currentDataTag(), diskUsage);
#ifdef HAVE_TICK_COUNTER
fprintf(stdout, "<BenchmarkResult metric=\"cycles\" tag=\"%s\" value=\"%llu\" iterations=\"1\"/>\n", QTest::currentDataTag(), cycles);
#endif
// `milliseconds walltime' would be better, but keep `walltime' for benchlib
// compatibility
fprintf(stdout, "<BenchmarkResult metric=\"walltime\" tag=\"%s\" value=\"%d\" iterations=\"1\"/>\n", QTest::currentDataTag(), ms);
fflush(stdout);
}
else {
if (!RUNNING_ON_VALGRIND) {
qWarning() << "Peak heap usage (kB):" << heapUsageTotal << "total (" << heapUsageUsable << "usable )";
}
qWarning() << "Change in homedir disk usage:" << diskUsage << "kB";
#ifdef HAVE_TICK_COUNTER
qWarning("Cycles: %llu", cycles);
#endif
qWarning() << "Execution time:" << ms << "ms";
}
}
delete d;
d = 0;
}
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