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diff --git a/plugins/qmlprofiler/qml/TimeMarks.qml b/plugins/qmlprofiler/qml/TimeMarks.qml
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+++ b/plugins/qmlprofiler/qml/TimeMarks.qml
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+import QtQuick 1.0
+import Monitor 1.0
+
+Canvas2D {
+    id: timeDisplay
+
+    property variant startTime
+    property variant endTime
+    property variant timePerPixel
+
+    Component.onCompleted: {
+        requestRedraw();
+    }
+
+    onWidthChanged: {
+        requestRedraw();
+    }
+    onHeightChanged: {
+        requestRedraw();
+    }
+
+    Connections {
+        target: labels
+        onHeightChanged: { requestRedraw(); }
+    }
+
+    onDrawRegion: {
+        drawBackgroundBars( ctxt, region );
+
+        var totalTime = endTime - startTime;
+        var spacing = width / totalTime;
+
+        var initialBlockLength = 120;
+        var timePerBlock = Math.pow(2, Math.floor( Math.log( totalTime / width * initialBlockLength ) / Math.LN2 ) );
+        var pixelsPerBlock = timePerBlock * spacing;
+        var pixelsPerSection = pixelsPerBlock / 5;
+        var blockCount = width / pixelsPerBlock;
+
+        var realStartTime = Math.floor(startTime/timePerBlock) * timePerBlock;
+        var realStartPos = (startTime-realStartTime) * spacing;
+
+        timePerPixel = timePerBlock/pixelsPerBlock;
+
+
+        ctxt.fillStyle = "#000000";
+        ctxt.font = "8px sans-serif";
+        for (var ii = 0; ii < blockCount+1; ii++) {
+            var x = Math.floor(ii*pixelsPerBlock - realStartPos);
+            ctxt.strokeStyle = "#B0B0B0";
+            ctxt.beginPath();
+            ctxt.moveTo(x, 0);
+            ctxt.lineTo(x, height);
+            ctxt.stroke();
+
+            ctxt.strokeStyle = "#CCCCCC";
+            for (var jj=1; jj < 5; jj++) {
+                var xx = Math.floor(ii*pixelsPerBlock + jj*pixelsPerSection - realStartPos);
+                ctxt.beginPath();
+                ctxt.moveTo(xx, 0);
+                ctxt.lineTo(xx, height);
+                ctxt.stroke();
+            }
+        }
+
+
+        // gray off out-of-bounds areas
+        var rectWidth;
+        if (startTime < qmlProfilerModelProxy.traceStartTime()) {
+            ctxt.fillStyle = "rgba(127,127,127,0.2)";
+            rectWidth = (qmlProfilerModelProxy.traceStartTime() - startTime) * spacing;
+            ctxt.fillRect(0, 0, rectWidth, height);
+        }
+        if (endTime > qmlProfilerModelProxy.traceEndTime()) {
+            ctxt.fillStyle = "rgba(127,127,127,0.2)";
+            var rectX = (qmlProfilerModelProxy.traceEndTime() - startTime) * spacing;
+            rectWidth = (endTime - qmlProfilerModelProxy.traceEndTime()) * spacing;
+            ctxt.fillRect(rectX, 0, rectWidth, height);
+        }
+
+    }
+
+    function updateMarks(start, end) {
+        if (startTime !== start || endTime !== end) {
+            startTime = start;
+            endTime = end;
+            requestRedraw();
+        }
+    }
+
+    function drawBackgroundBars( ctxt, region ) {
+        // TODO: redraw when amount of data changes
+        var colorIndex = true;
+        // row background
+        for (var y=0; y < labels.height; y+= root.singleRowHeight) {
+            ctxt.fillStyle = colorIndex ? "#f0f0f0" : "white";
+            ctxt.strokeStyle = colorIndex ? "#f0f0f0" : "white";
+            ctxt.fillRect(0, y, width, root.singleRowHeight);
+            colorIndex = !colorIndex;
+        }
+
+        // separators
+        var cumulatedHeight = 0;
+        for (var i=0; i<labels.rowCount; i++) {
+            cumulatedHeight += root.singleRowHeight * qmlProfilerModelProxy.categoryDepth(i);
+
+            ctxt.strokeStyle = "#B0B0B0";
+            ctxt.beginPath();
+            ctxt.moveTo(0, cumulatedHeight);
+            ctxt.lineTo(width, cumulatedHeight);
+            ctxt.stroke();
+        }
+
+        // bottom
+        ctxt.fillStyle = "#f5f5f5";
+        ctxt.fillRect(0, labels.height, width, height - labels.height);
+    }
+}