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dffc234f | 1 | /******************************************************************************* |
7b72df0d | 2 | * Copyright (c) 2014, 2016 École Polytechnique de Montréal and others |
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3 | * |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Geneviève Bastien - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
8b131c41 | 13 | package org.eclipse.tracecompass.internal.analysis.os.linux.ui.views.cpuusage; |
dffc234f | 14 | |
7b72df0d | 15 | import org.eclipse.jdt.annotation.Nullable; |
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16 | import org.eclipse.jface.viewers.ISelection; |
17 | import org.eclipse.jface.viewers.ISelectionChangedListener; | |
18 | import org.eclipse.jface.viewers.IStructuredSelection; | |
19 | import org.eclipse.jface.viewers.SelectionChangedEvent; | |
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20 | import org.eclipse.swt.events.ControlAdapter; |
21 | import org.eclipse.swt.events.ControlEvent; | |
dffc234f | 22 | import org.eclipse.swt.widgets.Composite; |
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23 | import org.eclipse.tracecompass.analysis.os.linux.core.signals.TmfCpuSelectedSignal; |
24 | import org.eclipse.tracecompass.tmf.core.signal.TmfSignalHandler; | |
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25 | import org.eclipse.tracecompass.tmf.core.signal.TmfTraceSelectedSignal; |
26 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; | |
21852dfa | 27 | import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager; |
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28 | import org.eclipse.tracecompass.tmf.ui.viewers.TmfViewer; |
29 | import org.eclipse.tracecompass.tmf.ui.viewers.xycharts.TmfXYChartViewer; | |
30 | import org.eclipse.tracecompass.tmf.ui.views.TmfChartView; | |
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31 | |
32 | /** | |
33 | * CPU usage view. It contains 2 viewers: one tree viewer showing all the | |
34 | * threads who were on the CPU in the time range, and one XY chart viewer | |
35 | * plotting the total time spent on CPU and the time of the threads selected in | |
36 | * the tree viewer. | |
37 | * | |
38 | * @author Geneviève Bastien | |
39 | */ | |
7b72df0d | 40 | public class CpuUsageView extends TmfChartView { |
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41 | |
42 | /** ID string */ | |
e363eae1 | 43 | public static final String ID = "org.eclipse.tracecompass.analysis.os.linux.views.cpuusage"; //$NON-NLS-1$ |
dffc234f | 44 | |
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45 | private @Nullable CpuUsageComposite fTreeViewer = null; |
46 | private @Nullable CpuUsageXYViewer fXYViewer = null; | |
54404589 | 47 | |
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48 | /** |
49 | * Constructor | |
50 | */ | |
51 | public CpuUsageView() { | |
52 | super(Messages.CpuUsageView_Title); | |
53 | } | |
54 | ||
55 | @Override | |
56 | public void createPartControl(Composite parent) { | |
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57 | super.createPartControl(parent); |
58 | ||
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59 | /* Initialize the viewers with the currently selected trace */ |
60 | ITmfTrace trace = TmfTraceManager.getInstance().getActiveTrace(); | |
61 | if (trace != null) { | |
62 | TmfTraceSelectedSignal signal = new TmfTraceSelectedSignal(this, trace); | |
63 | if (fTreeViewer != null) { | |
64 | fTreeViewer.traceSelected(signal); | |
65 | } | |
66 | if (fXYViewer != null) { | |
67 | fXYViewer.traceSelected(signal); | |
68 | } | |
69 | } | |
70 | } | |
dffc234f | 71 | |
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72 | @Override |
73 | protected TmfXYChartViewer createChartViewer(Composite parent) { | |
74 | CpuUsageXYViewer viewer = new CpuUsageXYViewer(parent); | |
75 | viewer.setSendTimeAlignSignals(true); | |
76 | fXYViewer = viewer; | |
77 | return viewer; | |
78 | } | |
dffc234f | 79 | |
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80 | @Override |
81 | public TmfViewer createLeftChildViewer(Composite parent) { | |
82 | final CpuUsageComposite viewer = new CpuUsageComposite(parent); | |
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83 | |
84 | /* Add selection listener to tree viewer */ | |
7b72df0d | 85 | viewer.addSelectionChangeListener(new ISelectionChangedListener() { |
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86 | @Override |
87 | public void selectionChanged(SelectionChangedEvent event) { | |
88 | ISelection selection = event.getSelection(); | |
89 | if (selection instanceof IStructuredSelection) { | |
90 | Object structSelection = ((IStructuredSelection) selection).getFirstElement(); | |
91 | if (structSelection instanceof CpuUsageEntry) { | |
92 | CpuUsageEntry entry = (CpuUsageEntry) structSelection; | |
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93 | if (fTreeViewer != null) { |
94 | fTreeViewer.setSelectedThread(entry.getTid()); | |
95 | } | |
96 | if (fXYViewer != null) { | |
97 | fXYViewer.setSelectedThread(Long.valueOf(entry.getTid())); | |
98 | } | |
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99 | } |
100 | } | |
101 | } | |
102 | }); | |
dffc234f | 103 | |
7b72df0d | 104 | viewer.getControl().addControlListener(new ControlAdapter() { |
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105 | @Override |
106 | public void controlResized(ControlEvent e) { | |
107 | super.controlResized(e); | |
108 | } | |
109 | }); | |
dffc234f | 110 | |
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111 | fTreeViewer = viewer; |
112 | return fTreeViewer; | |
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113 | } |
114 | ||
115 | @Override | |
116 | public void setFocus() { | |
3df2eabe | 117 | if (fXYViewer != null) { |
7b72df0d | 118 | fXYViewer.getControl().setFocus(); |
54404589 | 119 | } |
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120 | } |
121 | ||
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122 | /** |
123 | * Signal handler for when a cpu is selected | |
124 | * | |
125 | * @param signal | |
126 | * the cpu being selected | |
127 | * @since 2.0 | |
128 | */ | |
129 | @TmfSignalHandler | |
130 | public void cpuSelect(TmfCpuSelectedSignal signal) { | |
131 | final @Nullable CpuUsageXYViewer xyViewer = fXYViewer; | |
132 | final @Nullable CpuUsageComposite treeViewer = fTreeViewer; | |
133 | if (xyViewer != null && treeViewer != null) { | |
134 | int core = signal.getCore(); | |
135 | if (core >= 0) { | |
136 | xyViewer.addCpu(core); | |
137 | treeViewer.addCpu(core); | |
138 | } else { | |
139 | xyViewer.clearCpu(); | |
140 | treeViewer.clearCpu(); | |
141 | } | |
142 | } | |
143 | } | |
144 | ||
dffc234f | 145 | } |