aboutsummaryrefslogtreecommitdiffstats
path: root/plugins/qmlprofiler/FlameGraphView.qml
blob: ecb011d2eb30112670b40a658a3396055ef9399a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd
** All rights reserved.
** For any questions to The Qt Company, please use contact form at http://www.qt.io/contact-us
**
** This file is part of the Qt Enterprise Qt Quick Profiler Add-on.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company.
**
** If you have questions regarding the use of this file, please use
** contact form at http://www.qt.io/contact-us
**
****************************************************************************/

import QtQuick 2.0
import QtQuick.Controls 1.4
import FlameGraph 1.0
import FlameGraphModel 1.0

ScrollView {
    id: root
    signal typeSelected(int typeIndex)
    signal gotoSourceLocation(string filename, int line, int column)

    property int selectedTypeId: -1
    property int visibleRangeTypes: -1

    Flickable {
        id: flickable
        contentHeight: flamegraph.height
        boundsBehavior: Flickable.StopAtBounds

        FlameGraph {
            property int itemHeight: Math.max(30, flickable.height / depth)
            property int level: -1
            property color blue: "blue"
            property color blue1: Qt.lighter(blue)
            property color blue2: Qt.rgba(0.375, 0, 1, 1)
            property color grey1: "#B0B0B0"
            property color grey2: "#A0A0A0"

            id: flamegraph
            width: parent.width
            height: depth * itemHeight
            model: flameGraphModel
            sizeRole: FlameGraphModel.Duration
            sizeThreshold: 0.002
            y: flickable.height > height ? flickable.height - height : 0

            delegate: Item {
                id: flamegraphItem
                property int level: parent.level + (rangeTypeVisible ? 1 : 0)
                property bool isSelected: flamegraphItem.FlameGraph.data(FlameGraphModel.TypeId) ===
                                          root.selectedTypeId
                property bool rangeTypeVisible: root.visibleRangeTypes &
                                                (1 << FlameGraph.data(FlameGraphModel.RangeType))

                Rectangle {
                    border.color: {
                        if (flamegraphItem.isSelected)
                            return flamegraph.blue2;
                        else if (mouseArea.containsMouse)
                            return flamegraph.blue1;
                        else
                            return flamegraph.grey1
                    }
                    border.width: (mouseArea.containsMouse || flamegraphItem.isSelected) ? 2 : 1
                    color: Qt.hsla((level % 12) / 72, 0.9 + Math.random() / 10,
                                   0.45 + Math.random() / 10, 0.9 + Math.random() / 10);
                    height: flamegraphItem.rangeTypeVisible ? flamegraph.itemHeight : 0;
                    anchors.left: parent.left
                    anchors.right: parent.right
                    anchors.bottom: parent.bottom

                    FlameGraphText {
                        id: text
                        visible: width > 20
                        anchors.fill: parent
                        anchors.margins: 5
                        verticalAlignment: Text.AlignVCenter
                        horizontalAlignment: Text.AlignHCenter
                        text: visible ? buildText() : ""
                        elide: Text.ElideRight
                        wrapMode: Text.WrapAtWordBoundaryOrAnywhere

                        function buildText() {
                            if (!flamegraphItem.FlameGraph.dataValid)
                                return "<others>";

                            return flamegraphItem.FlameGraph.data(FlameGraphModel.Details) + " (" +
                                   flamegraphItem.FlameGraph.data(FlameGraphModel.Type) + ", " +
                                   flamegraphItem.FlameGraph.data(FlameGraphModel.TimeInPercent) + "%)";
                        }
                    }

                    MouseArea {
                        id: mouseArea
                        anchors.fill: parent
                        hoverEnabled: true

                        function printTime(t)
                        {
                            if (t <= 0)
                                return "0";
                            if (t < 1000)
                                return t + " ns";
                            t = Math.floor(t / 1000);
                            if (t < 1000)
                                return t + " μs";
                            if (t < 1e6)
                                return (t / 1000) + " ms";
                            return (t / 1e6) + " s";
                        }

                        onEntered: {
                            var model = [];
                            function addDetail(name, index, format) {
                                model.push(name + ":");
                                model.push(format(flamegraphItem.FlameGraph.data(index)));
                            }

                            function noop(a) {
                                return a;
                            }

                            function addPercent(a) {
                                return a + "%";
                            }

                            if (!flamegraphItem.FlameGraph.dataValid) {
                                model.push(qsTr("Details") + ":");
                                model.push(qsTr("Various Events"));
                            } else {
                                addDetail(qsTr("Details"), FlameGraphModel.Details, noop);
                                addDetail(qsTr("Type"), FlameGraphModel.Type, noop);
                                addDetail(qsTr("Calls"), FlameGraphModel.CallCount, noop);
                                addDetail(qsTr("Total Time"), FlameGraphModel.Duration, printTime);
                                addDetail(qsTr("Mean Time"), FlameGraphModel.TimePerCall, printTime);
                                addDetail(qsTr("In Percent"), FlameGraphModel.TimeInPercent,
                                          addPercent);

                            }
                            tooltip.model = model;
                        }

                        onExited: {
                            tooltip.model = [];
                        }

                        onClicked: {
                            if (flamegraphItem.FlameGraph.dataValid) {
                                root.typeSelected(
                                            flamegraphItem.FlameGraph.data(FlameGraphModel.TypeId));
                                root.gotoSourceLocation(
                                            flamegraphItem.FlameGraph.data(FlameGraphModel.Filename),
                                            flamegraphItem.FlameGraph.data(FlameGraphModel.Line),
                                            flamegraphItem.FlameGraph.data(FlameGraphModel.Column));
                            }
                        }
                    }
                }

                FlameGraph.onDataChanged: if (text.visible) text.text = text.buildText();

                height: flamegraph.height - level * flamegraph.itemHeight;
                width: parent === null ? flamegraph.width : parent.width * FlameGraph.relativeSize
                x: parent === null ? 0 : parent.width * FlameGraph.relativePosition
            }
        }

        Rectangle {
            color: "white"
            border.width: 1
            border.color: flamegraph.grey2
            width: tooltip.model.length > 0 ? tooltip.width + 10 : 0
            height: tooltip.model.length > 0 ? tooltip.height + 10 : 0
            y: flickable.contentY
            x: anchorRight ? parent.width - width : 0
            property bool anchorRight: true

            Grid {
                id: tooltip
                anchors.margins: 5
                anchors.top: parent.top
                anchors.left: parent.left
                spacing: 5
                columns: 2
                property var model: [ qsTr("No data available") ]

                Connections {
                    target: flameGraphModel
                    onModelReset: {
                        tooltip.model = (flameGraphModel.rowCount() === 0) ?
                                    [ qsTr("No data available") ] : [];
                    }
                }

                Repeater {
                    model: parent.model
                    FlameGraphText {
                        text: modelData
                        font.bold: (index % 2) === 0
                        width: Math.min(implicitWidth, 200)
                        elide: Text.ElideRight
                    }
                }
            }

            MouseArea {
                anchors.fill: parent
                hoverEnabled: true
                onEntered: parent.anchorRight = !parent.anchorRight
            }
        }
    }
}