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8192f2c6 | 1 | /******************************************************************************* |
ed902a2b | 2 | * Copyright (c) 2013, 2015 Ericsson |
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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 | * Alexandre Montplaisir - Initial API and implementation | |
11 | ******************************************************************************/ | |
12 | ||
2bdf0193 | 13 | package org.eclipse.tracecompass.tmf.core.statistics; |
8192f2c6 | 14 | |
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15 | import static org.eclipse.tracecompass.common.core.NonNullUtils.checkNotNull; |
16 | ||
6d8922ce | 17 | import org.eclipse.jdt.annotation.NonNull; |
d0c7e4ba | 18 | import org.eclipse.tracecompass.statesystem.core.ITmfStateSystemBuilder; |
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19 | import org.eclipse.tracecompass.statesystem.core.exceptions.AttributeNotFoundException; |
20 | import org.eclipse.tracecompass.statesystem.core.exceptions.StateValueTypeException; | |
21 | import org.eclipse.tracecompass.statesystem.core.exceptions.TimeRangeException; | |
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22 | import org.eclipse.tracecompass.tmf.core.event.ITmfEvent; |
23 | import org.eclipse.tracecompass.tmf.core.event.ITmfLostEvent; | |
24 | import org.eclipse.tracecompass.tmf.core.statesystem.AbstractTmfStateProvider; | |
25 | import org.eclipse.tracecompass.tmf.core.statesystem.ITmfStateProvider; | |
26 | import org.eclipse.tracecompass.tmf.core.statesystem.TmfStateSystemAnalysisModule; | |
27 | import org.eclipse.tracecompass.tmf.core.statistics.TmfStateStatistics.Attributes; | |
2bdf0193 | 28 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; |
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29 | |
30 | /** | |
31 | * The analysis module building the "totals" statistics state system. | |
32 | * | |
33 | * It is not in the extension point (and as such, not registered in the | |
34 | * TmfAnalysisManager), as it is being handled by the TmfStatisticsModule. | |
35 | * | |
36 | * @author Alexandre Montplaisir | |
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37 | */ |
38 | public class TmfStatisticsTotalsModule extends TmfStateSystemAnalysisModule { | |
39 | ||
40 | /** | |
41 | * The ID of this analysis module (which is also the ID of the state system) | |
42 | */ | |
6d8922ce | 43 | public static final @NonNull String ID = "org.eclipse.linuxtools.tmf.statistics.totals"; //$NON-NLS-1$ |
8192f2c6 | 44 | |
6d8922ce | 45 | private static final @NonNull String NAME = "TMF Statistics, event totals"; //$NON-NLS-1$ |
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46 | |
47 | /** | |
48 | * Constructor | |
49 | */ | |
50 | public TmfStatisticsTotalsModule() { | |
d4c4fe14 | 51 | super(); |
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52 | setId(ID); |
53 | setName(NAME); | |
54 | } | |
55 | ||
56 | @Override | |
57 | protected ITmfStateProvider createStateProvider() { | |
d0c7e4ba | 58 | return new StatsProviderTotals(checkNotNull(getTrace())); |
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59 | } |
60 | ||
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61 | @Override |
62 | protected String getSsFileName() { | |
63 | return "statistics-totals.ht"; //$NON-NLS-1$ | |
64 | } | |
65 | ||
66 | ||
67 | /** | |
68 | * The state provider for traces statistics that use TmfStateStatistics. It | |
69 | * should work with any trace type for which we can use the state system. | |
70 | * | |
71 | * Only one attribute will be stored, containing the total of events seen so | |
72 | * far. The resulting attribute tree will look like this: | |
73 | * | |
74 | * <pre> | |
75 | * (root) | |
76 | * \-- total | |
77 | * </pre> | |
78 | * | |
79 | * @author Alexandre Montplaisir | |
80 | * @version 1.0 | |
81 | */ | |
82 | class StatsProviderTotals extends AbstractTmfStateProvider { | |
83 | ||
84 | /** | |
85 | * Version number of this input handler. Please bump this if you modify the | |
86 | * contents of the generated state history in some way. | |
87 | */ | |
88 | private static final int VERSION = 2; | |
89 | ||
90 | /** | |
91 | * Constructor | |
92 | * | |
93 | * @param trace | |
94 | * The trace for which we build this state system | |
95 | */ | |
d0c7e4ba | 96 | public StatsProviderTotals(@NonNull ITmfTrace trace) { |
e2bcc8a5 | 97 | super(trace, NAME); |
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98 | } |
99 | ||
100 | @Override | |
101 | public int getVersion() { | |
102 | return VERSION; | |
103 | } | |
104 | ||
105 | @Override | |
106 | public StatsProviderTotals getNewInstance() { | |
107 | return new StatsProviderTotals(this.getTrace()); | |
108 | } | |
109 | ||
110 | @Override | |
111 | protected void eventHandle(ITmfEvent event) { | |
112 | /* Do not count lost events in the total */ | |
113 | if (event instanceof ITmfLostEvent) { | |
114 | return; | |
115 | } | |
116 | ||
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117 | ITmfStateSystemBuilder ss = checkNotNull(getStateSystemBuilder()); |
118 | ||
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119 | /* Since this can be used for any trace types, normalize all the |
120 | * timestamp values to nanoseconds. */ | |
16801c72 | 121 | final long ts = event.getTimestamp().toNanos(); |
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122 | |
123 | try { | |
124 | /* Total number of events */ | |
125 | int quark = ss.getQuarkAbsoluteAndAdd(Attributes.TOTAL); | |
126 | ss.incrementAttribute(ts, quark); | |
127 | ||
128 | } catch (StateValueTypeException | TimeRangeException | AttributeNotFoundException e) { | |
129 | e.printStackTrace(); | |
130 | } | |
131 | } | |
132 | } | |
133 | ||
134 | } |