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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtQml 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 "qqmltrace_p.h"
#ifdef QML_ENABLE_TRACE
#include <stdio.h>
#endif
QT_BEGIN_NAMESPACE
#ifdef QML_ENABLE_TRACE
QQmlTrace::Pool QQmlTrace::logPool;
QQmlTrace::Entry *QQmlTrace::first = 0;
QQmlTrace::Entry *QQmlTrace::last = 0;
static qint64 toNsecs(QQmlTrace::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
}
QQmlTrace::Pool::Pool()
{
first = New<Entry>();
last = first;
}
QQmlTrace::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);
}
QQmlTrace::Entry *cur = QQmlTrace::first;
QByteArray indent;
int depth = -1;
qint64 firstTime = -1;
while (cur) {
switch (cur->type) {
case QQmlTrace::Entry::RangeStart: {
RangeStart *rs = static_cast<QQmlTrace::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 QQmlTrace::Entry::RangeEnd:
depth--;
indent = QByteArray(depth * 4, ' ');
break;
case QQmlTrace::Entry::Detail:
fprintf(out, "%s %s\n", indent.constData(),
static_cast<QQmlTrace::Detail *>(cur)->description);
break;
case QQmlTrace::Entry::IntDetail:
fprintf(out, "%s %s: %d\n", indent.constData(),
static_cast<QQmlTrace::Detail *>(cur)->description,
static_cast<QQmlTrace::IntDetail *>(cur)->value);
break;
case QQmlTrace::Entry::StringDetail: {
QByteArray vLatin1 = static_cast<QQmlTrace::StringDetail *>(cur)->value->toLatin1();
fprintf(out, "%s %s: %s\n", indent.constData(),
static_cast<QQmlTrace::Detail *>(cur)->description,
vLatin1.constData());
} break;
case QQmlTrace::Entry::UrlDetail: {
QByteArray vLatin1 = static_cast<QQmlTrace::UrlDetail *>(cur)->value->toString().toLatin1();
fprintf(out, "%s %s: %s\n", indent.constData(),
static_cast<QQmlTrace::Detail *>(cur)->description,
vLatin1.constData());
} break;
case QQmlTrace::Entry::Event: {
Event *ev = static_cast<QQmlTrace::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 QQmlTrace::Entry::Null:
default:
break;
}
cur = cur->next;
}
fclose(out);
}
#endif
QT_END_NAMESPACE
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