diff options
Diffstat (limited to 'src/declarative/qml/ftw/qdeclarativetrace.cpp')
| -rw-r--r-- | src/declarative/qml/ftw/qdeclarativetrace.cpp | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/src/declarative/qml/ftw/qdeclarativetrace.cpp b/src/declarative/qml/ftw/qdeclarativetrace.cpp new file mode 100644 index 0000000000..61e84075aa --- /dev/null +++ b/src/declarative/qml/ftw/qdeclarativetrace.cpp @@ -0,0 +1,154 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qdeclarativetrace_p.h" + +#ifdef QML_ENABLE_TRACE +#include <stdio.h> +#endif + +QT_BEGIN_NAMESPACE + +#ifdef QML_ENABLE_TRACE + +QDeclarativeTrace::Pool QDeclarativeTrace::logPool; +QDeclarativeTrace::Entry *QDeclarativeTrace::first = 0; +QDeclarativeTrace::Entry *QDeclarativeTrace::last = 0; + +static qint64 toNsecs(QDeclarativeTrace::TimeType time) +{ +#ifdef Q_OS_MAC + static mach_timebase_info_data_t info = {0,0}; + if (info.denom == 0) + mach_timebase_info(&info); + return time * info.numer / info.denom; +#else + qint64 rv = time.tv_sec * 1000000000 + time.tv_nsec; + return rv; +#endif +} + +QDeclarativeTrace::Pool::Pool() +{ + first = New<Entry>(); + last = first; +} + +QDeclarativeTrace::Pool::~Pool() +{ + char buffer[128]; + sprintf(buffer, "qml.%d.log", ::getpid()); + FILE *out = fopen(buffer, "w"); + if (!out) { + fprintf (stderr, "QML Log: Could not open %s\n", buffer); + return; + } else { + fprintf (stderr, "QML Log: Writing log to %s\n", buffer); + } + + QDeclarativeTrace::Entry *cur = QDeclarativeTrace::first; + QByteArray indent; + int depth = -1; + + qint64 firstTime = -1; + + while (cur) { + + switch (cur->type) { + case QDeclarativeTrace::Entry::RangeStart: { + RangeStart *rs = static_cast<QDeclarativeTrace::RangeStart *>(cur); + + qint64 nsecs = toNsecs(rs->time); + + if (firstTime == -1) + firstTime = nsecs; + + nsecs -= firstTime; + + depth++; + indent = QByteArray(depth * 4, ' '); + fprintf(out, "%s%s @%lld (%lld ns)\n", indent.constData(), + rs->description, nsecs, toNsecs(rs->end->time) - nsecs - firstTime); + } break; + case QDeclarativeTrace::Entry::RangeEnd: + depth--; + indent = QByteArray(depth * 4, ' '); + break; + case QDeclarativeTrace::Entry::Detail: + fprintf(out, "%s %s\n", indent.constData(), + static_cast<QDeclarativeTrace::Detail *>(cur)->description); + break; + case QDeclarativeTrace::Entry::IntDetail: + fprintf(out, "%s %s: %d\n", indent.constData(), + static_cast<QDeclarativeTrace::Detail *>(cur)->description, + static_cast<QDeclarativeTrace::IntDetail *>(cur)->value); + break; + case QDeclarativeTrace::Entry::StringDetail: { + QByteArray vLatin1 = static_cast<QDeclarativeTrace::StringDetail *>(cur)->value->toLatin1(); + fprintf(out, "%s %s: %s\n", indent.constData(), + static_cast<QDeclarativeTrace::Detail *>(cur)->description, + vLatin1.constData()); + } break; + case QDeclarativeTrace::Entry::UrlDetail: { + QByteArray vLatin1 = static_cast<QDeclarativeTrace::UrlDetail *>(cur)->value->toString().toLatin1(); + fprintf(out, "%s %s: %s\n", indent.constData(), + static_cast<QDeclarativeTrace::Detail *>(cur)->description, + vLatin1.constData()); + } break; + case QDeclarativeTrace::Entry::Event: { + Event *ev = static_cast<QDeclarativeTrace::Event *>(cur); + qint64 nsecs = toNsecs(ev->time) - firstTime; + fprintf(out, "%s + %s @%lld +%lld ns\n", indent.constData(), + ev->description, nsecs, nsecs - (toNsecs(ev->start->time) - firstTime)); + } break; + case QDeclarativeTrace::Entry::Null: + default: + break; + } + cur = cur->next; + } + fclose(out); +} + +#endif + +QT_END_NAMESPACE + |