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dffc234f | 1 | /******************************************************************************* |
ed902a2b | 2 | * Copyright (c) 2014, 2015 École Polytechnique de Montréal |
dffc234f GB |
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 | ||
e363eae1 | 13 | package org.eclipse.tracecompass.analysis.os.linux.ui.views.cpuusage; |
dffc234f | 14 | |
5db5a3a4 AM |
15 | import static org.eclipse.tracecompass.common.core.NonNullUtils.checkNotNull; |
16 | ||
dffc234f | 17 | import java.util.ArrayList; |
e9a0d1cb | 18 | import java.util.Collections; |
dffc234f GB |
19 | import java.util.HashMap; |
20 | import java.util.List; | |
21 | import java.util.Map; | |
22 | import java.util.Map.Entry; | |
3fda290f MK |
23 | import java.util.Set; |
24 | import java.util.TreeSet; | |
dffc234f | 25 | |
3fda290f | 26 | import org.eclipse.jdt.annotation.NonNull; |
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27 | import org.eclipse.jface.viewers.Viewer; |
28 | import org.eclipse.jface.viewers.ViewerComparator; | |
dffc234f GB |
29 | import org.eclipse.osgi.util.NLS; |
30 | import org.eclipse.swt.widgets.Composite; | |
e363eae1 | 31 | import org.eclipse.tracecompass.analysis.os.linux.core.cpuusage.KernelCpuUsageAnalysis; |
0f7a12d3 | 32 | import org.eclipse.tracecompass.analysis.os.linux.core.kernel.KernelAnalysisModule; |
f69045e2 | 33 | import org.eclipse.tracecompass.internal.analysis.os.linux.core.kernel.Attributes; |
e894a508 | 34 | import org.eclipse.tracecompass.statesystem.core.ITmfStateSystem; |
1dd75589 | 35 | import org.eclipse.tracecompass.statesystem.core.StateSystemUtils; |
e894a508 AM |
36 | import org.eclipse.tracecompass.statesystem.core.exceptions.AttributeNotFoundException; |
37 | import org.eclipse.tracecompass.statesystem.core.exceptions.StateSystemDisposedException; | |
38 | import org.eclipse.tracecompass.statesystem.core.interval.ITmfStateInterval; | |
39 | import org.eclipse.tracecompass.statesystem.core.statevalue.ITmfStateValue; | |
2bdf0193 AM |
40 | import org.eclipse.tracecompass.tmf.core.statesystem.TmfStateSystemAnalysisModule; |
41 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; | |
b8585c7c | 42 | import org.eclipse.tracecompass.tmf.core.trace.TmfTraceUtils; |
2bdf0193 AM |
43 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.AbstractTmfTreeViewer; |
44 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.ITmfTreeColumnDataProvider; | |
45 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.ITmfTreeViewerEntry; | |
46 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.TmfTreeColumnData; | |
2bdf0193 | 47 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.TmfTreeColumnData.ITmfColumnPercentageProvider; |
1dd75589 | 48 | import org.eclipse.tracecompass.tmf.ui.viewers.tree.TmfTreeViewerEntry; |
dffc234f GB |
49 | |
50 | /** | |
51 | * Tree viewer to display CPU usage information in a specified time range. It | |
52 | * shows the process's TID, its name, the time spent on the CPU during that | |
53 | * range, in % and absolute value. | |
54 | * | |
55 | * @author Geneviève Bastien | |
56 | */ | |
57 | public class CpuUsageComposite extends AbstractTmfTreeViewer { | |
58 | ||
d48661f2 GB |
59 | // Timeout between to wait for in the updateElements method |
60 | private static final long BUILD_UPDATE_TIMEOUT = 500; | |
61 | ||
e363eae1 | 62 | private KernelCpuUsageAnalysis fModule = null; |
e9a0d1cb | 63 | private String fSelectedThread = null; |
dffc234f GB |
64 | |
65 | private static final String[] COLUMN_NAMES = new String[] { | |
66 | Messages.CpuUsageComposite_ColumnTID, | |
67 | Messages.CpuUsageComposite_ColumnProcess, | |
68 | Messages.CpuUsageComposite_ColumnPercent, | |
69 | Messages.CpuUsageComposite_ColumnTime | |
70 | }; | |
71 | ||
72 | /* A map that saves the mapping of a thread ID to its executable name */ | |
73 | private final Map<String, String> fProcessNameMap = new HashMap<>(); | |
74 | ||
3fda290f MK |
75 | private final @NonNull Set<@NonNull Integer> fCpus = new TreeSet<>(); |
76 | ||
dffc234f GB |
77 | /** Provides label for the CPU usage tree viewer cells */ |
78 | protected static class CpuLabelProvider extends TreeLabelProvider { | |
79 | ||
80 | @Override | |
81 | public String getColumnText(Object element, int columnIndex) { | |
82 | CpuUsageEntry obj = (CpuUsageEntry) element; | |
83 | if (columnIndex == 0) { | |
84 | return obj.getTid(); | |
85 | } else if (columnIndex == 1) { | |
86 | return obj.getProcessName(); | |
87 | } else if (columnIndex == 2) { | |
88 | return String.format(Messages.CpuUsageComposite_TextPercent, obj.getPercent()); | |
89 | } else if (columnIndex == 3) { | |
90 | return NLS.bind(Messages.CpuUsageComposite_TextTime, obj.getTime()); | |
91 | } | |
92 | ||
93 | return element.toString(); | |
94 | } | |
95 | ||
96 | } | |
97 | ||
98 | /** | |
99 | * Constructor | |
100 | * | |
101 | * @param parent | |
102 | * The parent composite that holds this viewer | |
103 | */ | |
104 | public CpuUsageComposite(Composite parent) { | |
105 | super(parent, false); | |
106 | setLabelProvider(new CpuLabelProvider()); | |
107 | } | |
108 | ||
109 | @Override | |
110 | protected ITmfTreeColumnDataProvider getColumnDataProvider() { | |
111 | return new ITmfTreeColumnDataProvider() { | |
112 | ||
113 | @Override | |
114 | public List<TmfTreeColumnData> getColumnData() { | |
115 | /* All columns are sortable */ | |
116 | List<TmfTreeColumnData> columns = new ArrayList<>(); | |
117 | TmfTreeColumnData column = new TmfTreeColumnData(COLUMN_NAMES[0]); | |
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.getTid().compareTo(n2.getTid()); | |
125 | ||
126 | } | |
127 | }); | |
128 | columns.add(column); | |
129 | column = new TmfTreeColumnData(COLUMN_NAMES[1]); | |
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.getProcessName().compareTo(n2.getProcessName()); | |
137 | ||
138 | } | |
139 | }); | |
140 | columns.add(column); | |
141 | column = new TmfTreeColumnData(COLUMN_NAMES[2]); | |
142 | column.setComparator(new ViewerComparator() { | |
143 | @Override | |
144 | public int compare(Viewer viewer, Object e1, Object e2) { | |
145 | CpuUsageEntry n1 = (CpuUsageEntry) e1; | |
146 | CpuUsageEntry n2 = (CpuUsageEntry) e2; | |
147 | ||
148 | return n1.getPercent().compareTo(n2.getPercent()); | |
149 | ||
150 | } | |
151 | }); | |
152 | column.setPercentageProvider(new ITmfColumnPercentageProvider() { | |
153 | ||
154 | @Override | |
155 | public double getPercentage(Object data) { | |
156 | CpuUsageEntry parent = (CpuUsageEntry) data; | |
157 | return parent.getPercent() / 100; | |
158 | } | |
159 | }); | |
160 | columns.add(column); | |
161 | column = new TmfTreeColumnData(COLUMN_NAMES[3]); | |
162 | column.setComparator(new ViewerComparator() { | |
163 | @Override | |
164 | public int compare(Viewer viewer, Object e1, Object e2) { | |
165 | CpuUsageEntry n1 = (CpuUsageEntry) e1; | |
166 | CpuUsageEntry n2 = (CpuUsageEntry) e2; | |
167 | ||
168 | return n1.getTime().compareTo(n2.getTime()); | |
169 | ||
170 | } | |
171 | }); | |
172 | columns.add(column); | |
173 | ||
174 | return columns; | |
175 | } | |
176 | ||
177 | }; | |
178 | } | |
179 | ||
180 | // ------------------------------------------------------------------------ | |
181 | // Operations | |
182 | // ------------------------------------------------------------------------ | |
183 | ||
e9a0d1cb GB |
184 | @Override |
185 | protected void contentChanged(ITmfTreeViewerEntry rootEntry) { | |
186 | String selectedThread = fSelectedThread; | |
187 | if (selectedThread != null) { | |
188 | /* Find the selected thread among the inputs */ | |
189 | for (ITmfTreeViewerEntry entry : rootEntry.getChildren()) { | |
190 | if (entry instanceof CpuUsageEntry) { | |
191 | if (selectedThread.equals(((CpuUsageEntry) entry).getTid())) { | |
0e4f957e | 192 | List<ITmfTreeViewerEntry> list = Collections.singletonList(entry); |
e9a0d1cb GB |
193 | super.setSelection(list); |
194 | return; | |
195 | } | |
196 | } | |
197 | } | |
198 | } | |
199 | } | |
200 | ||
dffc234f GB |
201 | @Override |
202 | public void initializeDataSource() { | |
1d83ed07 AM |
203 | /* Should not be called while trace is still null */ |
204 | ITmfTrace trace = checkNotNull(getTrace()); | |
205 | ||
206 | fModule = TmfTraceUtils.getAnalysisModuleOfClass(trace, KernelCpuUsageAnalysis.class, KernelCpuUsageAnalysis.ID); | |
dffc234f GB |
207 | if (fModule == null) { |
208 | return; | |
209 | } | |
210 | fModule.schedule(); | |
211 | fModule.waitForInitialization(); | |
212 | fProcessNameMap.clear(); | |
213 | } | |
214 | ||
215 | @Override | |
216 | protected ITmfTreeViewerEntry updateElements(long start, long end, boolean isSelection) { | |
217 | if (isSelection || (start == end)) { | |
218 | return null; | |
219 | } | |
220 | if (getTrace() == null || fModule == null) { | |
221 | return null; | |
222 | } | |
d48661f2 | 223 | fModule.waitForInitialization(); |
dffc234f | 224 | ITmfStateSystem ss = fModule.getStateSystem(); |
dffc234f GB |
225 | if (ss == null) { |
226 | return null; | |
227 | } | |
228 | ||
d48661f2 GB |
229 | boolean complete = false; |
230 | long currentEnd = start; | |
231 | ||
232 | while (!complete && currentEnd < end) { | |
233 | complete = ss.waitUntilBuilt(BUILD_UPDATE_TIMEOUT); | |
234 | currentEnd = ss.getCurrentEndTime(); | |
235 | } | |
236 | ||
dffc234f | 237 | /* Initialize the data */ |
3fda290f | 238 | Map<String, Long> cpuUsageMap = fModule.getCpuUsageInRange(fCpus, Math.max(start, getStartTime()), Math.min(end, getEndTime())); |
dffc234f GB |
239 | |
240 | TmfTreeViewerEntry root = new TmfTreeViewerEntry(""); //$NON-NLS-1$ | |
241 | List<ITmfTreeViewerEntry> entryList = root.getChildren(); | |
242 | ||
243 | for (Entry<String, Long> entry : cpuUsageMap.entrySet()) { | |
244 | /* | |
245 | * Process only entries representing the total of all CPUs and that | |
246 | * have time on CPU | |
247 | */ | |
248 | if (entry.getValue() == 0) { | |
249 | continue; | |
250 | } | |
e363eae1 | 251 | if (!entry.getKey().startsWith(KernelCpuUsageAnalysis.TOTAL)) { |
dffc234f GB |
252 | continue; |
253 | } | |
e363eae1 | 254 | String[] strings = entry.getKey().split(KernelCpuUsageAnalysis.SPLIT_STRING, 2); |
dffc234f | 255 | |
e363eae1 | 256 | if ((strings.length > 1) && !(strings[1].equals(KernelCpuUsageAnalysis.TID_ZERO))) { |
dffc234f GB |
257 | CpuUsageEntry obj = new CpuUsageEntry(strings[1], getProcessName(strings[1]), (double) entry.getValue() / (double) (end - start) * 100, entry.getValue()); |
258 | entryList.add(obj); | |
259 | } | |
260 | } | |
261 | ||
262 | return root; | |
263 | } | |
264 | ||
265 | /* | |
266 | * Get the process name from its TID by using the LTTng kernel analysis | |
267 | * module | |
268 | */ | |
269 | private String getProcessName(String tid) { | |
270 | String execName = fProcessNameMap.get(tid); | |
271 | if (execName != null) { | |
272 | return execName; | |
273 | } | |
72221aa4 AM |
274 | ITmfTrace trace = getTrace(); |
275 | if (trace == null) { | |
dffc234f GB |
276 | return tid; |
277 | } | |
6d16f5a9 | 278 | ITmfStateSystem kernelSs = TmfStateSystemAnalysisModule.getStateSystem(trace, KernelAnalysisModule.ID); |
dffc234f GB |
279 | if (kernelSs == null) { |
280 | return tid; | |
281 | } | |
282 | ||
283 | try { | |
284 | int cpusNode = kernelSs.getQuarkAbsolute(Attributes.THREADS); | |
285 | ||
286 | /* Get the quarks for each cpu */ | |
287 | List<Integer> cpuNodes = kernelSs.getSubAttributes(cpusNode, false); | |
288 | ||
289 | for (Integer tidQuark : cpuNodes) { | |
290 | if (kernelSs.getAttributeName(tidQuark).equals(tid)) { | |
291 | int execNameQuark; | |
292 | List<ITmfStateInterval> execNameIntervals; | |
293 | try { | |
294 | execNameQuark = kernelSs.getQuarkRelative(tidQuark, Attributes.EXEC_NAME); | |
1dd75589 | 295 | execNameIntervals = StateSystemUtils.queryHistoryRange(kernelSs, execNameQuark, getStartTime(), getEndTime()); |
dffc234f | 296 | } catch (AttributeNotFoundException e) { |
3fda290f MK |
297 | /* |
298 | * No information on this thread (yet?), skip it for now | |
299 | */ | |
dffc234f GB |
300 | continue; |
301 | } catch (StateSystemDisposedException e) { | |
302 | /* State system is closing down, no point continuing */ | |
303 | break; | |
304 | } | |
305 | ||
306 | for (ITmfStateInterval execNameInterval : execNameIntervals) { | |
307 | if (!execNameInterval.getStateValue().isNull() && | |
308 | execNameInterval.getStateValue().getType() == ITmfStateValue.Type.STRING) { | |
309 | execName = execNameInterval.getStateValue().unboxStr(); | |
310 | fProcessNameMap.put(tid, execName); | |
311 | return execName; | |
312 | } | |
313 | } | |
314 | } | |
315 | } | |
316 | ||
317 | } catch (AttributeNotFoundException e) { | |
318 | /* can't find the process name, just return the tid instead */ | |
319 | } | |
320 | return tid; | |
321 | } | |
322 | ||
e9a0d1cb GB |
323 | /** |
324 | * Set the currently selected thread ID | |
325 | * | |
326 | * @param tid | |
327 | * The selected thread ID | |
328 | */ | |
329 | public void setSelectedThread(String tid) { | |
330 | fSelectedThread = tid; | |
331 | } | |
332 | ||
3fda290f MK |
333 | /** |
334 | * Add a core | |
335 | * | |
336 | * @param core | |
337 | * the core to add | |
338 | * @since 2.0 | |
339 | */ | |
340 | public void addCpu(int core) { | |
341 | fCpus.add(core); | |
342 | updateContent(getWindowStartTime(), getWindowEndTime(), false); | |
343 | } | |
344 | ||
345 | /** | |
346 | * Remove a core | |
347 | * | |
348 | * @param core | |
349 | * the core to remove | |
350 | * @since 2.0 | |
351 | */ | |
352 | public void removeCpu(int core) { | |
353 | fCpus.remove(core); | |
354 | updateContent(getWindowStartTime(), getWindowEndTime(), false); | |
355 | } | |
356 | ||
357 | /** | |
358 | * Clears the cores | |
359 | * | |
360 | * @since 2.0 | |
361 | * | |
362 | */ | |
363 | public void clearCpu() { | |
364 | fCpus.clear(); | |
365 | updateContent(getWindowStartTime(), getWindowEndTime(), false); | |
366 | } | |
367 | ||
dffc234f | 368 | } |