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