summaryrefslogtreecommitdiffstats
path: root/src/quicktestlib/testlib/qbenchmarkvalgrind.cpp
diff options
context:
space:
mode:
authorRhys Weatherley <rhys.weatherley@nokia.com>2011-02-17 14:20:56 +1000
committerRhys Weatherley <rhys.weatherley@nokia.com>2011-02-17 14:20:56 +1000
commitd4256f496835ed6e54494e331a1726d1a114bb04 (patch)
treeb1cbb329973eda18fdedf2836510488c9cbba14b /src/quicktestlib/testlib/qbenchmarkvalgrind.cpp
parent224ef35105fa29d124ac7c8d6f35210a583d9179 (diff)
Remove the hacked version of qtestlib from the sourcespatched-qt
Diffstat (limited to 'src/quicktestlib/testlib/qbenchmarkvalgrind.cpp')
-rw-r--r--src/quicktestlib/testlib/qbenchmarkvalgrind.cpp273
1 files changed, 0 insertions, 273 deletions
diff --git a/src/quicktestlib/testlib/qbenchmarkvalgrind.cpp b/src/quicktestlib/testlib/qbenchmarkvalgrind.cpp
deleted file mode 100644
index ea3b6b8..0000000
--- a/src/quicktestlib/testlib/qbenchmarkvalgrind.cpp
+++ /dev/null
@@ -1,273 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtTest module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the Technology Preview License Agreement accompanying
-** this package.
-**
-** 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 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.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qbenchmark_p.h"
-
-#ifdef QTESTLIB_USE_VALGRIND
-
-#include "qbenchmarkvalgrind_p.h"
-#include <QtCore/qstringlist.h>
-#include <QtCore/qcoreapplication.h>
-#include <QtCore/qprocess.h>
-#include <QtCore/qdir.h>
-#include <QtCore/qset.h>
-#include "3rdparty/callgrind_p.h"
-
-QT_BEGIN_NAMESPACE
-
-// Returns true iff a sufficiently recent valgrind is available.
-bool QBenchmarkValgrindUtils::haveValgrind()
-{
-#ifdef NVALGRIND
- return false;
-#else
- QProcess process;
- QStringList args;
- args << QLatin1String("--version");
- process.start(QLatin1String("valgrind"), args);
- if (!process.waitForFinished(-1))
- return false;
- const QByteArray out = process.readAllStandardOutput();
- const QRegExp rx(QLatin1String("^valgrind-([0-9]).([0-9]).[0-9]"));
- if (rx.indexIn(QLatin1String(out.data())) == -1)
- return false;
- bool ok;
- const int major = rx.cap(1).toInt(&ok);
- if (!ok)
- return false;
- const int minor = rx.cap(2).toInt(&ok);
- if (!ok)
- return false;
-// return (major > 3 || (major == 3 && minor >= 3)); // v >= 3.3 for --callgrind-out-file option
- Q_UNUSED(major);
- Q_UNUSED(minor);
- return true; // skip version restriction for now
-#endif
-}
-
-// Reruns this program through callgrind.
-// Returns true upon success, otherwise false.
-bool QBenchmarkValgrindUtils::rerunThroughCallgrind(const QStringList &origAppArgs, int &exitCode)
-{
- if (!QBenchmarkValgrindUtils::runCallgrindSubProcess(origAppArgs, exitCode)) {
- qWarning("failed to run callgrind subprocess");
- return false;
- }
- return true;
-}
-
-static void dumpOutput(const QByteArray &data, FILE *fh)
-{
- QFile file;
- file.open(fh, QIODevice::WriteOnly);
- file.write(data);
-}
-
-qint64 QBenchmarkValgrindUtils::extractResult(const QString &fileName)
-{
- QFile file(fileName);
- const bool openOk = file.open(QIODevice::ReadOnly | QIODevice::Text);
- Q_ASSERT(openOk);
- Q_UNUSED(openOk);
-
- qint64 val = -1;
- bool valSeen = false;
- const QRegExp rxValue(QLatin1String("^summary: (\\d+)"));
- while (!file.atEnd()) {
- const QString line(QLatin1String(file.readLine()));
- if (rxValue.indexIn(line) != -1) {
- Q_ASSERT(rxValue.captureCount() == 1);
- bool ok;
- val = rxValue.cap(1).toLongLong(&ok);
- Q_ASSERT(ok);
- valSeen = true;
- break;
- }
- }
- Q_ASSERT(valSeen);
- return val;
-}
-
-// Gets the newest file name (i.e. the one with the highest integer suffix).
-QString QBenchmarkValgrindUtils::getNewestFileName()
-{
- QStringList nameFilters;
- QString base = QBenchmarkGlobalData::current->callgrindOutFileBase;
- Q_ASSERT(!base.isEmpty());
-
- nameFilters << QString::fromLatin1("%1.*").arg(base);
- QFileInfoList fiList = QDir().entryInfoList(nameFilters, QDir::Files | QDir::Readable);
- Q_ASSERT(!fiList.empty());
- int hiSuffix = -1;
- QFileInfo lastFileInfo;
- const QString pattern = QString::fromLatin1("%1.(\\d+)").arg(base);
- const QRegExp rx(pattern);
- foreach (QFileInfo fileInfo, fiList) {
- const int index = rx.indexIn(fileInfo.fileName());
- Q_ASSERT(index == 0);
- Q_UNUSED(index);
- bool ok;
- const int suffix = rx.cap(1).toInt(&ok);
- Q_ASSERT(ok);
- Q_ASSERT(suffix >= 0);
- if (suffix > hiSuffix) {
- lastFileInfo = fileInfo;
- hiSuffix = suffix;
- }
- }
-
- return lastFileInfo.fileName();
-}
-
-qint64 QBenchmarkValgrindUtils::extractLastResult()
-{
- return extractResult(getNewestFileName());
-}
-
-void QBenchmarkValgrindUtils::cleanup()
-{
- QStringList nameFilters;
- QString base = QBenchmarkGlobalData::current->callgrindOutFileBase;
- Q_ASSERT(!base.isEmpty());
- nameFilters
- << base // overall summary
- << QString::fromLatin1("%1.*").arg(base); // individual dumps
- QFileInfoList fiList = QDir().entryInfoList(nameFilters, QDir::Files | QDir::Readable);
- foreach (QFileInfo fileInfo, fiList) {
- const bool removeOk = QFile::remove(fileInfo.fileName());
- Q_ASSERT(removeOk);
- Q_UNUSED(removeOk);
- }
-}
-
-QString QBenchmarkValgrindUtils::outFileBase(qint64 pid)
-{
- return QString::fromLatin1("callgrind.out.%1").arg(
- pid != -1 ? pid : QCoreApplication::applicationPid());
-}
-
-// Reruns this program through callgrind, storing callgrind result files in the
-// current directory.
-// Returns true upon success, otherwise false.
-bool QBenchmarkValgrindUtils::runCallgrindSubProcess(const QStringList &origAppArgs, int &exitCode)
-{
- const QString execFile(origAppArgs.at(0));
- QStringList args;
- args << QLatin1String("--tool=callgrind") << QLatin1String("--instr-atstart=yes")
- << QLatin1String("--quiet")
- << execFile << QLatin1String("-callgrindchild");
-
-#if (defined Q_WS_QWS)
- // While running the child process, we aren't processing events, and hence aren't
- // acting as the QWS server. Therefore it's necessary to tell the child to act
- // as its own server instead of connecting to us.
- args << QLatin1String("-qws");
-#endif
-
- // pass on original arguments that make sense (e.g. avoid wasting time producing output
- // that will be ignored anyway) ...
- for (int i = 1; i < origAppArgs.size(); ++i) {
- const QString arg(origAppArgs.at(i));
- if (arg == QLatin1String("-callgrind"))
- continue;
- args << arg; // ok to pass on
- }
-
- QProcess process;
- process.start(QLatin1String("valgrind"), args);
- process.waitForStarted(-1);
- QBenchmarkGlobalData::current->callgrindOutFileBase =
- QBenchmarkValgrindUtils::outFileBase(process.pid());
- const bool finishedOk = process.waitForFinished(-1);
- exitCode = process.exitCode();
-
- dumpOutput(process.readAllStandardOutput(), stdout);
- dumpOutput(process.readAllStandardError(), stderr);
-
- return finishedOk;
-}
-
-void QBenchmarkCallgrindMeasurer::start()
-{
- CALLGRIND_ZERO_STATS;
-}
-
-qint64 QBenchmarkCallgrindMeasurer::checkpoint()
-{
- CALLGRIND_DUMP_STATS;
- const qint64 result = QBenchmarkValgrindUtils::extractLastResult();
- return result;
-}
-
-qint64 QBenchmarkCallgrindMeasurer::stop()
-{
- return checkpoint();
-}
-
-bool QBenchmarkCallgrindMeasurer::isMeasurementAccepted(qint64 measurement)
-{
- Q_UNUSED(measurement);
- return true;
-}
-
-int QBenchmarkCallgrindMeasurer::adjustIterationCount(int)
-{
- return 1;
-}
-
-int QBenchmarkCallgrindMeasurer::adjustMedianCount(int)
-{
- return 1;
-}
-
-bool QBenchmarkCallgrindMeasurer::needsWarmupIteration()
-{
- return true;
-}
-
-QTest::QBenchmarkMetric QBenchmarkCallgrindMeasurer::metricType()
-{
- return QTest::InstructionReads;
-}
-
-QT_END_NAMESPACE
-
-#endif // QTESTLIB_USE_VALGRIND
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-16 23:20:52 +0000