1 files changed, 154 insertions, 0 deletions
diff --git a/src/qml/qml/ftw/qqmltrace.cpp b/src/qml/qml/ftw/qqmltrace.cpp
new file mode 100644
index 0000000000..e044dc654f
--- /dev/null
+++ b/src/qml/qml/ftw/qqmltrace.cpp
@@ -0,0 +1,154 @@
+/****************************************************************************
+**
+** 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
+