diff options
Diffstat (limited to 'tests/benchmarks/corelib/io/qdiriterator/tst_bench_qdiriterator.cpp')
| -rw-r--r-- | tests/benchmarks/corelib/io/qdiriterator/tst_bench_qdiriterator.cpp | 107 |
1 files changed, 66 insertions, 41 deletions
diff --git a/tests/benchmarks/corelib/io/qdiriterator/tst_bench_qdiriterator.cpp b/tests/benchmarks/corelib/io/qdiriterator/tst_bench_qdiriterator.cpp index e22f235914..66448bf838 100644 --- a/tests/benchmarks/corelib/io/qdiriterator/tst_bench_qdiriterator.cpp +++ b/tests/benchmarks/corelib/io/qdiriterator/tst_bench_qdiriterator.cpp @@ -1,32 +1,8 @@ -/**************************************************************************** -** -** 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2021 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only #include <QDebug> #include <QDirIterator> +#include <QDirListing> #include <QString> #include <qplatformdefs.h> @@ -48,16 +24,30 @@ #include <filesystem> #endif +using namespace Qt::StringLiterals; + +constexpr bool forceStat = false; + class tst_QDirIterator : public QObject { Q_OBJECT void data(); + + const QDir::Filters dirFilters = + // QDir::AllEntries | QDir::Hidden | QDir::NoDotAndDotDot + QDir::AllEntries | QDir::Hidden + //QDir::Files | QDir::NoDotAndDotDot, + // QDir::Files, + ; + private slots: void posix(); void posix_data() { data(); } void diriterator(); void diriterator_data() { data(); } + void dirlisting(); + void dirlisting_data() { data(); } void fsiterator(); void fsiterator_data() { data(); } void stdRecursiveDirectoryIterator(); @@ -143,9 +133,20 @@ static int posix_helper(const char *dirpath) QByteArray ba = dirpath; ba += '/'; ba += entry->d_name; + bool isDir = false; +#if defined(_DIRENT_HAVE_D_TYPE) || defined(Q_OS_BSD4) + isDir = entry->d_type == DT_DIR; + if (forceStat) { + QT_STATBUF st; + QT_LSTAT(ba.constData(), &st); + } +#else // d_type not available >>> must stat() to see if it's a dir QT_STATBUF st; QT_LSTAT(ba.constData(), &st); - if (S_ISDIR(st.st_mode)) + isDir = S_ISDIR(st.st_mode); +#endif + + if (isDir) count += posix_helper(ba.constData()); } @@ -182,14 +183,12 @@ void tst_QDirIterator::diriterator() QBENCHMARK { int c = 0; - QDirIterator dir(dirpath, - //QDir::AllEntries | QDir::Hidden | QDir::NoDotAndDotDot, - //QDir::AllEntries | QDir::Hidden, - QDir::Files, - QDirIterator::Subdirectories); + QDirIterator dir(dirpath, dirFilters, QDirIterator::Subdirectories); while (dir.hasNext()) { const auto fi = dir.nextFileInfo(); + if (forceStat) + fi.size(); //printf("%s\n", qPrintable(dir.fileName())); 0 && printf("%d %s\n", fi.isDir(), @@ -203,6 +202,28 @@ void tst_QDirIterator::diriterator() qDebug() << count; } +void tst_QDirIterator::dirlisting() +{ + QFETCH(QByteArray, dirpath); + + int count = 0; + + QBENCHMARK { + int c = 0; + + QDirListing dir(dirpath, dirFilters, QDirListing::IteratorFlag::Recursive); + + for (const auto &dirEntry : dir) { + const auto path = dirEntry.filePath(); + if (forceStat) + dirEntry.size(); + ++c; + } + count = c; + } + qDebug() << count; +} + void tst_QDirIterator::fsiterator() { QFETCH(QByteArray, dirpath); @@ -214,14 +235,12 @@ void tst_QDirIterator::fsiterator() int c = 0; dump && printf("\n\n\n\n"); - QDirIteratorTest::QFileSystemIterator dir(dirpath, - //QDir::AllEntries | QDir::Hidden | QDir::NoDotAndDotDot, - //QDir::AllEntries | QDir::Hidden, - //QDir::Files | QDir::NoDotAndDotDot, - QDir::Files, - QDirIteratorTest::QFileSystemIterator::Subdirectories); + QDirIteratorTest::QFileSystemIterator dir( + dirpath, dirFilters, QDirIteratorTest::QFileSystemIterator::Subdirectories); for (; !dir.atEnd(); dir.next()) { + if (forceStat) + dir.fileInfo().size(); dump && printf("%d %s\n", dir.fileInfo().isDir(), //qPrintable(dir.fileInfo().absoluteFilePath()), @@ -242,10 +261,16 @@ void tst_QDirIterator::stdRecursiveDirectoryIterator() int count = 0; + namespace fs = std::filesystem; + std::error_code ec; + + // Note that fs::recursive_directory_iterator may be calling stat() internally, + // that depends on the implementation. So the benchmark times might "seem" higher + // than the other methods in this source file. QBENCHMARK { int c = 0; - for (auto obj : std::filesystem::recursive_directory_iterator(dirpath.data())) { - if (obj.is_directory()) + for (const auto &dirEntry : fs::recursive_directory_iterator(dirpath.data(), ec)) { + if (dirEntry.is_directory()) continue; c++; } |