diff options
author | Ulf Hermann <ulf.hermann@qt.io> | 2016-07-20 15:50:16 +0200 |
---|---|---|
committer | Ulf Hermann <ulf.hermann@qt.io> | 2016-07-26 07:52:49 +0000 |
commit | 0ed6f80544b577538909587bebed674b4a8a3d3b (patch) | |
tree | a1aef02f05a8501211a9a86442a000d75cab75ba /src/qml/debugger | |
parent | 56c39ee55d534fae6bf1ac9113f8ff15fddf520c (diff) |
Move QQmlMemoryProfiler to debugger directory
Change-Id: Ia1b1038a684f6ec34af777090d4d21021eac01f1
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Diffstat (limited to 'src/qml/debugger')
-rw-r--r-- | src/qml/debugger/debugger.pri | 2 | ||||
-rw-r--r-- | src/qml/debugger/qqmlmemoryprofiler.cpp | 157 | ||||
-rw-r--r-- | src/qml/debugger/qqmlmemoryprofiler_p.h | 87 |
3 files changed, 246 insertions, 0 deletions
diff --git a/src/qml/debugger/debugger.pri b/src/qml/debugger/debugger.pri index 30a44eedd1..c893d7b484 100644 --- a/src/qml/debugger/debugger.pri +++ b/src/qml/debugger/debugger.pri @@ -6,6 +6,7 @@ SOURCES += \ $$PWD/qqmldebugservice.cpp \ $$PWD/qqmldebugserviceinterfaces.cpp \ $$PWD/qqmlabstractprofileradapter.cpp \ + $$PWD/qqmlmemoryprofiler.cpp \ $$PWD/qqmlprofiler.cpp HEADERS += \ @@ -16,6 +17,7 @@ HEADERS += \ $$PWD/qqmldebugserviceinterfaces_p.h \ $$PWD/qqmldebugstatesdelegate_p.h \ $$PWD/qqmldebug.h \ + $$PWD/qqmlmemoryprofiler_p.h \ $$PWD/qqmlprofilerdefinitions_p.h \ $$PWD/qqmlabstractprofileradapter_p.h \ $$PWD/qqmlprofiler_p.h diff --git a/src/qml/debugger/qqmlmemoryprofiler.cpp b/src/qml/debugger/qqmlmemoryprofiler.cpp new file mode 100644 index 0000000000..60f6d96eaf --- /dev/null +++ b/src/qml/debugger/qqmlmemoryprofiler.cpp @@ -0,0 +1,157 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtQml module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** 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-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qqmlmemoryprofiler_p.h" +#include <QUrl> + +QT_BEGIN_NAMESPACE + +enum LibraryState +{ + Unloaded, + Failed, + Loaded +}; + +static LibraryState state = Unloaded; + +typedef void (qmlmemprofile_stats)(int *allocCount, int *bytesAllocated); +typedef void (qmlmemprofile_clear)(); +typedef void (qmlmemprofile_enable)(); +typedef void (qmlmemprofile_disable)(); +typedef void (qmlmemprofile_push_location)(const char *filename, int lineNumber); +typedef void (qmlmemprofile_pop_location)(); +typedef void (qmlmemprofile_save)(const char *filename); +typedef int (qmlmemprofile_is_enabled)(); + +static qmlmemprofile_stats *memprofile_stats; +static qmlmemprofile_clear *memprofile_clear; +static qmlmemprofile_enable *memprofile_enable; +static qmlmemprofile_disable *memprofile_disable; +static qmlmemprofile_push_location *memprofile_push_location; +static qmlmemprofile_pop_location *memprofile_pop_location; +static qmlmemprofile_save *memprofile_save; +static qmlmemprofile_is_enabled *memprofile_is_enabled; + +#ifndef QT_NO_LIBRARY +extern QFunctionPointer qt_linux_find_symbol_sys(const char *symbol); +#endif + +static bool openLibrary() +{ +#if defined(Q_OS_LINUX) && !defined(QT_NO_LIBRARY) + if (state == Unloaded) { + memprofile_stats = (qmlmemprofile_stats *) qt_linux_find_symbol_sys("qmlmemprofile_stats"); + memprofile_clear = (qmlmemprofile_clear *) qt_linux_find_symbol_sys("qmlmemprofile_clear"); + memprofile_enable = (qmlmemprofile_enable *) qt_linux_find_symbol_sys("qmlmemprofile_enable"); + memprofile_disable = (qmlmemprofile_disable *) qt_linux_find_symbol_sys("qmlmemprofile_disable"); + memprofile_push_location = (qmlmemprofile_push_location *) qt_linux_find_symbol_sys("qmlmemprofile_push_location"); + memprofile_pop_location = (qmlmemprofile_pop_location *) qt_linux_find_symbol_sys("qmlmemprofile_pop_location"); + memprofile_save = (qmlmemprofile_save *) qt_linux_find_symbol_sys("qmlmemprofile_save"); + memprofile_is_enabled = (qmlmemprofile_is_enabled *) qt_linux_find_symbol_sys("qmlmemprofile_is_enabled"); + + if (memprofile_stats && memprofile_clear && memprofile_enable && memprofile_disable && + memprofile_push_location && memprofile_pop_location && memprofile_save && memprofile_is_enabled) + state = Loaded; + else + state = Failed; + } +#endif // Q_OS_LINUX + + return state == Loaded; +} + +QQmlMemoryScope::QQmlMemoryScope(const QUrl &url) + : QQmlMemoryScope(url.path().toUtf8().constData()) +{ +} + +QQmlMemoryScope::QQmlMemoryScope(const char *string) : pushed(false) +{ + if (openLibrary() && memprofile_is_enabled()) { + memprofile_push_location(string, 0); + pushed = true; + } +} + +QQmlMemoryScope::~QQmlMemoryScope() +{ + if (pushed) + memprofile_pop_location(); +} + +bool QQmlMemoryProfiler::isEnabled() +{ + if (openLibrary()) + return memprofile_is_enabled(); + + return false; +} + +void QQmlMemoryProfiler::enable() +{ + if (openLibrary()) + memprofile_enable(); +} + +void QQmlMemoryProfiler::disable() +{ + if (openLibrary()) + memprofile_disable(); +} + +void QQmlMemoryProfiler::clear() +{ + if (openLibrary()) + memprofile_clear(); +} + +void QQmlMemoryProfiler::stats(int *allocCount, int *bytesAllocated) +{ + if (openLibrary()) + memprofile_stats(allocCount, bytesAllocated); +} + +void QQmlMemoryProfiler::save(const char *filename) +{ + if (openLibrary()) + memprofile_save(filename); +} + +QT_END_NAMESPACE diff --git a/src/qml/debugger/qqmlmemoryprofiler_p.h b/src/qml/debugger/qqmlmemoryprofiler_p.h new file mode 100644 index 0000000000..4b0ba823ba --- /dev/null +++ b/src/qml/debugger/qqmlmemoryprofiler_p.h @@ -0,0 +1,87 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtQml module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** 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-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QQMLMEMORYPROFILER_H +#define QQMLMEMORYPROFILER_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <private/qtqmlglobal_p.h> + +QT_BEGIN_NAMESPACE + +class QUrl; + +class Q_QML_PRIVATE_EXPORT QQmlMemoryScope +{ +public: + explicit QQmlMemoryScope(const QUrl &url); + explicit QQmlMemoryScope(const char *string); + ~QQmlMemoryScope(); + +private: + bool pushed; +}; + +class Q_QML_PRIVATE_EXPORT QQmlMemoryProfiler +{ +public: + static void enable(); + static void disable(); + static bool isEnabled(); + + static void clear(); + static void stats(int *allocCount, int *bytesAllocated); + static void save(const char *filename); +}; + +#define QML_MEMORY_SCOPE_URL(url) QQmlMemoryScope _qml_memory_scope(url) +#define QML_MEMORY_SCOPE_STRING(s) QQmlMemoryScope _qml_memory_scope(s) + +QT_END_NAMESPACE +#endif // QQMLMEMORYPROFILER_H |