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1 | /******************************************************************************* |
2 | * Copyright (c) 2014 École 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 | * Contributors: | |
10 | * Geneviève Bastien - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.linuxtools.internal.lttng2.kernel.ui.views.cpuusage; | |
14 | ||
15 | import java.util.ArrayList; | |
16 | import java.util.HashMap; | |
17 | import java.util.List; | |
18 | import java.util.Map; | |
19 | import java.util.Map.Entry; | |
20 | ||
21 | import org.eclipse.jface.viewers.Viewer; | |
22 | import org.eclipse.jface.viewers.ViewerComparator; | |
23 | import org.eclipse.linuxtools.internal.lttng2.kernel.core.Attributes; | |
24 | import org.eclipse.linuxtools.lttng2.kernel.core.analysis.LttngKernelAnalysisModule; | |
25 | import org.eclipse.linuxtools.lttng2.kernel.core.cpuusage.LttngKernelCpuUsageAnalysis; | |
bcec0116 AM |
26 | import org.eclipse.linuxtools.statesystem.core.ITmfStateSystem; |
27 | import org.eclipse.linuxtools.statesystem.core.exceptions.AttributeNotFoundException; | |
28 | import org.eclipse.linuxtools.statesystem.core.exceptions.StateSystemDisposedException; | |
29 | import org.eclipse.linuxtools.statesystem.core.interval.ITmfStateInterval; | |
30 | import org.eclipse.linuxtools.statesystem.core.statevalue.ITmfStateValue; | |
dffc234f | 31 | import org.eclipse.linuxtools.tmf.core.statesystem.TmfStateSystemAnalysisModule; |
dffc234f GB |
32 | import org.eclipse.linuxtools.tmf.ui.viewers.tree.AbstractTmfTreeViewer; |
33 | import org.eclipse.linuxtools.tmf.ui.viewers.tree.ITmfTreeColumnDataProvider; | |
34 | import org.eclipse.linuxtools.tmf.ui.viewers.tree.ITmfTreeViewerEntry; | |
35 | import org.eclipse.linuxtools.tmf.ui.viewers.tree.TmfTreeColumnData; | |
36 | import org.eclipse.linuxtools.tmf.ui.viewers.tree.TmfTreeColumnData.ITmfColumnPercentageProvider; | |
37 | import org.eclipse.linuxtools.tmf.ui.viewers.tree.TmfTreeViewerEntry; | |
38 | import org.eclipse.osgi.util.NLS; | |
39 | import org.eclipse.swt.widgets.Composite; | |
40 | ||
41 | /** | |
42 | * Tree viewer to display CPU usage information in a specified time range. It | |
43 | * shows the process's TID, its name, the time spent on the CPU during that | |
44 | * range, in % and absolute value. | |
45 | * | |
46 | * @author Geneviève Bastien | |
47 | */ | |
48 | public class CpuUsageComposite extends AbstractTmfTreeViewer { | |
49 | ||
d48661f2 GB |
50 | // Timeout between to wait for in the updateElements method |
51 | private static final long BUILD_UPDATE_TIMEOUT = 500; | |
52 | ||
dffc234f GB |
53 | private LttngKernelCpuUsageAnalysis fModule = null; |
54 | ||
55 | private static final String[] COLUMN_NAMES = new String[] { | |
56 | Messages.CpuUsageComposite_ColumnTID, | |
57 | Messages.CpuUsageComposite_ColumnProcess, | |
58 | Messages.CpuUsageComposite_ColumnPercent, | |
59 | Messages.CpuUsageComposite_ColumnTime | |
60 | }; | |
61 | ||
62 | /* A map that saves the mapping of a thread ID to its executable name */ | |
63 | private final Map<String, String> fProcessNameMap = new HashMap<>(); | |
64 | ||
65 | /** Provides label for the CPU usage tree viewer cells */ | |
66 | protected static class CpuLabelProvider extends TreeLabelProvider { | |
67 | ||
68 | @Override | |
69 | public String getColumnText(Object element, int columnIndex) { | |
70 | CpuUsageEntry obj = (CpuUsageEntry) element; | |
71 | if (columnIndex == 0) { | |
72 | return obj.getTid(); | |
73 | } else if (columnIndex == 1) { | |
74 | return obj.getProcessName(); | |
75 | } else if (columnIndex == 2) { | |
76 | return String.format(Messages.CpuUsageComposite_TextPercent, obj.getPercent()); | |
77 | } else if (columnIndex == 3) { | |
78 | return NLS.bind(Messages.CpuUsageComposite_TextTime, obj.getTime()); | |
79 | } | |
80 | ||
81 | return element.toString(); | |
82 | } | |
83 | ||
84 | } | |
85 | ||
86 | /** | |
87 | * Constructor | |
88 | * | |
89 | * @param parent | |
90 | * The parent composite that holds this viewer | |
91 | */ | |
92 | public CpuUsageComposite(Composite parent) { | |
93 | super(parent, false); | |
94 | setLabelProvider(new CpuLabelProvider()); | |
95 | } | |
96 | ||
97 | @Override | |
98 | protected ITmfTreeColumnDataProvider getColumnDataProvider() { | |
99 | return new ITmfTreeColumnDataProvider() { | |
100 | ||
101 | @Override | |
102 | public List<TmfTreeColumnData> getColumnData() { | |
103 | /* All columns are sortable */ | |
104 | List<TmfTreeColumnData> columns = new ArrayList<>(); | |
105 | TmfTreeColumnData column = new TmfTreeColumnData(COLUMN_NAMES[0]); | |
106 | column.setComparator(new ViewerComparator() { | |
107 | @Override | |
108 | public int compare(Viewer viewer, Object e1, Object e2) { | |
109 | CpuUsageEntry n1 = (CpuUsageEntry) e1; | |
110 | CpuUsageEntry n2 = (CpuUsageEntry) e2; | |
111 | ||
112 | return n1.getTid().compareTo(n2.getTid()); | |
113 | ||
114 | } | |
115 | }); | |
116 | columns.add(column); | |
117 | column = new TmfTreeColumnData(COLUMN_NAMES[1]); | |
118 | column.setComparator(new ViewerComparator() { | |
119 | @Override | |
120 | public int compare(Viewer viewer, Object e1, Object e2) { | |
121 | CpuUsageEntry n1 = (CpuUsageEntry) e1; | |
122 | CpuUsageEntry n2 = (CpuUsageEntry) e2; | |
123 | ||
124 | return n1.getProcessName().compareTo(n2.getProcessName()); | |
125 | ||
126 | } | |
127 | }); | |
128 | columns.add(column); | |
129 | column = new TmfTreeColumnData(COLUMN_NAMES[2]); | |
130 | column.setComparator(new ViewerComparator() { | |
131 | @Override | |
132 | public int compare(Viewer viewer, Object e1, Object e2) { | |
133 | CpuUsageEntry n1 = (CpuUsageEntry) e1; | |
134 | CpuUsageEntry n2 = (CpuUsageEntry) e2; | |
135 | ||
136 | return n1.getPercent().compareTo(n2.getPercent()); | |
137 | ||
138 | } | |
139 | }); | |
140 | column.setPercentageProvider(new ITmfColumnPercentageProvider() { | |
141 | ||
142 | @Override | |
143 | public double getPercentage(Object data) { | |
144 | CpuUsageEntry parent = (CpuUsageEntry) data; | |
145 | return parent.getPercent() / 100; | |
146 | } | |
147 | }); | |
148 | columns.add(column); | |
149 | column = new TmfTreeColumnData(COLUMN_NAMES[3]); | |
150 | column.setComparator(new ViewerComparator() { | |
151 | @Override | |
152 | public int compare(Viewer viewer, Object e1, Object e2) { | |
153 | CpuUsageEntry n1 = (CpuUsageEntry) e1; | |
154 | CpuUsageEntry n2 = (CpuUsageEntry) e2; | |
155 | ||
156 | return n1.getTime().compareTo(n2.getTime()); | |
157 | ||
158 | } | |
159 | }); | |
160 | columns.add(column); | |
161 | ||
162 | return columns; | |
163 | } | |
164 | ||
165 | }; | |
166 | } | |
167 | ||
168 | // ------------------------------------------------------------------------ | |
169 | // Operations | |
170 | // ------------------------------------------------------------------------ | |
171 | ||
172 | @Override | |
173 | public void initializeDataSource() { | |
174 | fModule = getTrace().getAnalysisModuleOfClass(LttngKernelCpuUsageAnalysis.class, LttngKernelCpuUsageAnalysis.ID); | |
175 | if (fModule == null) { | |
176 | return; | |
177 | } | |
178 | fModule.schedule(); | |
179 | fModule.waitForInitialization(); | |
180 | fProcessNameMap.clear(); | |
181 | } | |
182 | ||
183 | @Override | |
184 | protected ITmfTreeViewerEntry updateElements(long start, long end, boolean isSelection) { | |
185 | if (isSelection || (start == end)) { | |
186 | return null; | |
187 | } | |
188 | if (getTrace() == null || fModule == null) { | |
189 | return null; | |
190 | } | |
d48661f2 | 191 | fModule.waitForInitialization(); |
dffc234f | 192 | ITmfStateSystem ss = fModule.getStateSystem(); |
dffc234f GB |
193 | if (ss == null) { |
194 | return null; | |
195 | } | |
196 | ||
d48661f2 GB |
197 | boolean complete = false; |
198 | long currentEnd = start; | |
199 | ||
200 | while (!complete && currentEnd < end) { | |
201 | complete = ss.waitUntilBuilt(BUILD_UPDATE_TIMEOUT); | |
202 | currentEnd = ss.getCurrentEndTime(); | |
203 | } | |
204 | ||
dffc234f GB |
205 | /* Initialize the data */ |
206 | Map<String, Long> cpuUsageMap = fModule.getCpuUsageInRange(Math.max(start, getStartTime()), Math.min(end, getEndTime())); | |
207 | ||
208 | TmfTreeViewerEntry root = new TmfTreeViewerEntry(""); //$NON-NLS-1$ | |
209 | List<ITmfTreeViewerEntry> entryList = root.getChildren(); | |
210 | ||
211 | for (Entry<String, Long> entry : cpuUsageMap.entrySet()) { | |
212 | /* | |
213 | * Process only entries representing the total of all CPUs and that | |
214 | * have time on CPU | |
215 | */ | |
216 | if (entry.getValue() == 0) { | |
217 | continue; | |
218 | } | |
219 | if (!entry.getKey().startsWith(LttngKernelCpuUsageAnalysis.TOTAL)) { | |
220 | continue; | |
221 | } | |
222 | String[] strings = entry.getKey().split(LttngKernelCpuUsageAnalysis.SPLIT_STRING, 2); | |
223 | ||
224 | if ((strings.length > 1) && !(strings[1].equals(LttngKernelCpuUsageAnalysis.TID_ZERO))) { | |
225 | CpuUsageEntry obj = new CpuUsageEntry(strings[1], getProcessName(strings[1]), (double) entry.getValue() / (double) (end - start) * 100, entry.getValue()); | |
226 | entryList.add(obj); | |
227 | } | |
228 | } | |
229 | ||
230 | return root; | |
231 | } | |
232 | ||
233 | /* | |
234 | * Get the process name from its TID by using the LTTng kernel analysis | |
235 | * module | |
236 | */ | |
237 | private String getProcessName(String tid) { | |
238 | String execName = fProcessNameMap.get(tid); | |
239 | if (execName != null) { | |
240 | return execName; | |
241 | } | |
242 | TmfStateSystemAnalysisModule module = getTrace().getAnalysisModuleOfClass(TmfStateSystemAnalysisModule.class, LttngKernelAnalysisModule.ID); | |
243 | if (module == null) { | |
244 | return tid; | |
245 | } | |
246 | /* | |
247 | * Do not schedule the analysis here. It should have been executed when | |
248 | * the CPU usage analysis was executed. If it's not available, there | |
249 | * might be a good reason (disk space?) so don't force it. | |
250 | */ | |
251 | ITmfStateSystem kernelSs = module.getStateSystem(); | |
252 | if (kernelSs == null) { | |
253 | return tid; | |
254 | } | |
255 | ||
256 | try { | |
257 | int cpusNode = kernelSs.getQuarkAbsolute(Attributes.THREADS); | |
258 | ||
259 | /* Get the quarks for each cpu */ | |
260 | List<Integer> cpuNodes = kernelSs.getSubAttributes(cpusNode, false); | |
261 | ||
262 | for (Integer tidQuark : cpuNodes) { | |
263 | if (kernelSs.getAttributeName(tidQuark).equals(tid)) { | |
264 | int execNameQuark; | |
265 | List<ITmfStateInterval> execNameIntervals; | |
266 | try { | |
267 | execNameQuark = kernelSs.getQuarkRelative(tidQuark, Attributes.EXEC_NAME); | |
268 | execNameIntervals = kernelSs.queryHistoryRange(execNameQuark, getStartTime(), getEndTime()); | |
269 | } catch (AttributeNotFoundException e) { | |
270 | /* No information on this thread (yet?), skip it for now */ | |
271 | continue; | |
272 | } catch (StateSystemDisposedException e) { | |
273 | /* State system is closing down, no point continuing */ | |
274 | break; | |
275 | } | |
276 | ||
277 | for (ITmfStateInterval execNameInterval : execNameIntervals) { | |
278 | if (!execNameInterval.getStateValue().isNull() && | |
279 | execNameInterval.getStateValue().getType() == ITmfStateValue.Type.STRING) { | |
280 | execName = execNameInterval.getStateValue().unboxStr(); | |
281 | fProcessNameMap.put(tid, execName); | |
282 | return execName; | |
283 | } | |
284 | } | |
285 | } | |
286 | } | |
287 | ||
288 | } catch (AttributeNotFoundException e) { | |
289 | /* can't find the process name, just return the tid instead */ | |
290 | } | |
291 | return tid; | |
292 | } | |
293 | ||
294 | } |