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1 | /********************************************************************** |
2 | * Copyright (c) 2016 Polytechnique de Montréal | |
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 | package org.eclipse.tracecompass.internal.analysis.os.linux.ui.views.kernelmemoryusage; | |
10 | ||
11 | import static org.eclipse.tracecompass.common.core.NonNullUtils.checkNotNull; | |
12 | ||
13 | import java.util.ArrayList; | |
14 | import java.util.Collections; | |
15 | import java.util.HashMap; | |
16 | import java.util.List; | |
17 | import java.util.Map; | |
18 | ||
5ddfceb6 | 19 | import org.eclipse.jdt.annotation.Nullable; |
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20 | import org.eclipse.jface.viewers.Viewer; |
21 | import org.eclipse.jface.viewers.ViewerComparator; | |
22 | import org.eclipse.swt.widgets.Composite; | |
23 | import org.eclipse.tracecompass.analysis.os.linux.core.kernel.KernelAnalysisModule; | |
24 | import org.eclipse.tracecompass.analysis.os.linux.core.kernel.KernelThreadInformationProvider; | |
25 | import org.eclipse.tracecompass.analysis.os.linux.core.kernelmemoryusage.KernelMemoryAnalysisModule; | |
26 | import org.eclipse.tracecompass.analysis.os.linux.core.kernelmemoryusage.KernelMemoryStateProvider; | |
27 | import org.eclipse.tracecompass.internal.analysis.os.linux.ui.Activator; | |
28 | import org.eclipse.tracecompass.statesystem.core.ITmfStateSystem; | |
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29 | import org.eclipse.tracecompass.statesystem.core.exceptions.StateSystemDisposedException; |
30 | import org.eclipse.tracecompass.statesystem.core.interval.ITmfStateInterval; | |
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31 | import org.eclipse.tracecompass.tmf.core.signal.TmfSignalHandler; |
32 | import org.eclipse.tracecompass.tmf.core.signal.TmfTraceOpenedSignal; | |
33 | import org.eclipse.tracecompass.tmf.core.signal.TmfTraceSelectedSignal; | |
aa19e48b | 34 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; |
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35 | import org.eclipse.tracecompass.tmf.core.trace.TmfTraceContext; |
36 | import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager; | |
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37 | import org.eclipse.tracecompass.tmf.core.trace.TmfTraceUtils; |
38 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.AbstractTmfTreeViewer; | |
39 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.ITmfTreeColumnDataProvider; | |
40 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.ITmfTreeViewerEntry; | |
41 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.TmfTreeColumnData; | |
42 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.TmfTreeViewerEntry; | |
43 | ||
44 | /** | |
45 | * Tree viewer to select which process to display in the kernel memory usage | |
46 | * chart. | |
47 | * | |
48 | * @author Mahdi Zolnouri | |
49 | * @author Wassim Nasrallah | |
50 | * @author Najib Arbaoui | |
51 | */ | |
52 | public class KernelMemoryUsageTreeViewer extends AbstractTmfTreeViewer { | |
53 | ||
54 | private KernelMemoryAnalysisModule fModule = null; | |
55 | private String fSelectedThread = null; | |
56 | private static final String[] COLUMN_NAMES = new String[] { | |
57 | Messages.KernelMemoryUsageComposite_ColumnTID, | |
58 | Messages.KernelMemoryUsageComposite_ColumnProcess | |
59 | }; | |
60 | ||
61 | /* A map that saves the mapping of a thread ID to its executable name */ | |
62 | private final Map<String, String> fProcessNameMap = new HashMap<>(); | |
63 | ||
64 | /** Provides label for the Kernel memory usage tree viewer cells */ | |
65 | protected static class KernelMemoryLabelProvider extends TreeLabelProvider { | |
66 | ||
67 | @Override | |
68 | public String getColumnText(Object element, int columnIndex) { | |
69 | KernelMemoryUsageEntry obj = (KernelMemoryUsageEntry) element; | |
70 | if (columnIndex == 0) { | |
71 | return obj.getTid(); | |
72 | } else if (columnIndex == 1) { | |
73 | return obj.getProcessName(); | |
74 | } | |
75 | return element.toString(); | |
76 | } | |
77 | } | |
78 | ||
79 | /** | |
80 | * Constructor | |
81 | * | |
82 | * @param parent | |
83 | * The parent composite that holds this viewer | |
84 | */ | |
85 | public KernelMemoryUsageTreeViewer(Composite parent) { | |
86 | super(parent, false); | |
87 | setLabelProvider(new KernelMemoryLabelProvider()); | |
88 | } | |
89 | ||
90 | @Override | |
91 | protected ITmfTreeColumnDataProvider getColumnDataProvider() { | |
92 | return new ITmfTreeColumnDataProvider() { | |
93 | ||
94 | @Override | |
95 | public List<TmfTreeColumnData> getColumnData() { | |
96 | /* All columns are sortable */ | |
97 | List<TmfTreeColumnData> columns = new ArrayList<>(); | |
98 | TmfTreeColumnData column = new TmfTreeColumnData(COLUMN_NAMES[0]); | |
99 | column.setComparator(new ViewerComparator() { | |
100 | @Override | |
101 | public int compare(Viewer viewer, Object e1, Object e2) { | |
102 | KernelMemoryUsageEntry n1 = (KernelMemoryUsageEntry) e1; | |
103 | KernelMemoryUsageEntry n2 = (KernelMemoryUsageEntry) e2; | |
104 | ||
105 | return n1.getTid().compareTo(n2.getTid()); | |
106 | } | |
107 | }); | |
108 | columns.add(column); | |
109 | column = new TmfTreeColumnData(COLUMN_NAMES[1]); | |
110 | column.setComparator(new ViewerComparator() { | |
111 | @Override | |
112 | public int compare(Viewer viewer, Object e1, Object e2) { | |
113 | KernelMemoryUsageEntry n1 = (KernelMemoryUsageEntry) e1; | |
114 | KernelMemoryUsageEntry n2 = (KernelMemoryUsageEntry) e2; | |
115 | ||
116 | return n1.getProcessName().compareTo(n2.getProcessName()); | |
117 | } | |
118 | }); | |
119 | columns.add(column); | |
120 | return columns; | |
121 | } | |
122 | }; | |
123 | } | |
124 | ||
125 | // ------------------------------------------------------------------------ | |
126 | // Operations | |
127 | // ------------------------------------------------------------------------ | |
128 | ||
129 | @Override | |
130 | protected void contentChanged(ITmfTreeViewerEntry rootEntry) { | |
131 | String selectedThread = fSelectedThread; | |
132 | if (selectedThread != null) { | |
133 | /* Find the selected thread among the inputs */ | |
134 | for (ITmfTreeViewerEntry entry : rootEntry.getChildren()) { | |
135 | if (entry instanceof KernelMemoryUsageEntry) { | |
136 | if (selectedThread.equals(((KernelMemoryUsageEntry) entry).getTid())) { | |
137 | List<ITmfTreeViewerEntry> list = Collections.singletonList(entry); | |
138 | super.setSelection(list); | |
139 | return; | |
140 | } | |
141 | } | |
142 | } | |
143 | } | |
144 | } | |
145 | ||
146 | @Override | |
147 | public void initializeDataSource() { | |
148 | /* Should not be called while trace is still null */ | |
149 | ITmfTrace trace = checkNotNull(getTrace()); | |
150 | ||
151 | fModule = TmfTraceUtils.getAnalysisModuleOfClass(trace, KernelMemoryAnalysisModule.class, KernelMemoryAnalysisModule.ID); | |
152 | if (fModule == null) { | |
153 | return; | |
154 | } | |
155 | fModule.schedule(); | |
156 | fModule.waitForInitialization(); | |
157 | fProcessNameMap.clear(); | |
158 | } | |
159 | ||
160 | @Override | |
161 | protected ITmfTreeViewerEntry updateElements(long start, long end, boolean isSelection) { | |
162 | if (isSelection || (start == end)) { | |
163 | return null; | |
164 | } | |
165 | KernelMemoryAnalysisModule module = fModule; | |
166 | if (getTrace() == null || module == null) { | |
167 | return null; | |
168 | } | |
169 | module.waitForInitialization(); | |
170 | ITmfStateSystem ss = module.getStateSystem(); | |
171 | if (ss == null) { | |
172 | return null; | |
173 | } | |
174 | ss.waitUntilBuilt(); | |
175 | TmfTreeViewerEntry root = new TmfTreeViewerEntry(""); //$NON-NLS-1$ | |
176 | List<ITmfTreeViewerEntry> entryList = root.getChildren(); | |
177 | ||
178 | try { | |
63949239 MK |
179 | long newStart = Math.max(start, ss.getStartTime()); |
180 | long newEnd = Math.min(end, ss.getCurrentEndTime()); | |
181 | if (ss.getStartTime() > newEnd || ss.getCurrentEndTime() < start) { | |
182 | return root; | |
183 | } | |
184 | List<ITmfStateInterval> memoryStates = ss.queryFullState(newStart); | |
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185 | List<Integer> threadQuarkList = ss.getSubAttributes(ITmfStateSystem.ROOT_ATTRIBUTE, false); |
186 | ||
187 | for (Integer threadQuark : threadQuarkList) { | |
188 | ITmfStateInterval threadMemoryInterval = memoryStates.get(threadQuark); | |
189 | if (threadMemoryInterval.getEndTime() < end) { | |
190 | String tid = ss.getAttributeName(threadQuark); | |
191 | String procname = getProcessName(tid); | |
192 | KernelMemoryUsageEntry obj = new KernelMemoryUsageEntry(tid, procname); | |
193 | entryList.add(obj); | |
194 | } | |
195 | } | |
ed48dc75 | 196 | } catch (StateSystemDisposedException e) { |
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197 | Activator.getDefault().logError(e.getMessage(), e); |
198 | } | |
199 | return root; | |
200 | } | |
201 | ||
202 | /* | |
203 | * Get the process name from its TID by using the LTTng kernel analysis | |
204 | * module | |
205 | */ | |
206 | private String getProcessName(String tid) { | |
207 | String execName = fProcessNameMap.get(tid); | |
208 | if (execName != null) { | |
209 | return execName; | |
210 | } | |
211 | if (tid.equals(KernelMemoryStateProvider.OTHER_TID)) { | |
212 | fProcessNameMap.put(tid, tid); | |
213 | return tid; | |
214 | } | |
215 | ITmfTrace trace = checkNotNull(getTrace()); | |
216 | KernelAnalysisModule kernelModule = TmfTraceUtils.getAnalysisModuleOfClass(trace, KernelAnalysisModule.class, KernelAnalysisModule.ID); | |
217 | if (kernelModule == null) { | |
218 | return tid; | |
219 | } | |
220 | execName = KernelThreadInformationProvider.getExecutableName(kernelModule, Integer.parseInt(tid)); | |
221 | if (execName == null) { | |
222 | return tid; | |
223 | } | |
224 | fProcessNameMap.put(tid, execName); | |
225 | return execName; | |
226 | } | |
227 | ||
228 | /** | |
229 | * Set the currently selected thread ID | |
230 | * | |
231 | * @param tid | |
232 | * The selected thread ID | |
233 | */ | |
234 | public void setSelectedThread(String tid) { | |
235 | fSelectedThread = tid; | |
236 | } | |
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237 | |
238 | @Override | |
239 | @TmfSignalHandler | |
240 | public void traceSelected(TmfTraceSelectedSignal signal) { | |
5ddfceb6 | 241 | initSelection(); |
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242 | super.traceSelected(signal); |
243 | } | |
244 | ||
245 | @Override | |
246 | @TmfSignalHandler | |
247 | public void traceOpened(TmfTraceOpenedSignal signal) { | |
5ddfceb6 | 248 | initSelection(); |
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249 | super.traceOpened(signal); |
250 | } | |
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251 | |
252 | private void initSelection() { | |
253 | TmfTraceContext ctx = TmfTraceManager.getInstance().getCurrentTraceContext(); | |
254 | final @Nullable Object data = ctx.getData(KernelMemoryUsageView.KERNEL_MEMORY); | |
255 | String thread = data instanceof String ? (String) data : null; | |
256 | setSelectedThread(thread); | |
257 | } | |
aa19e48b | 258 | } |