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8192f2c6 | 1 | /******************************************************************************* |
60ae41e1 | 2 | * Copyright (c) 2013, 2014 Ericsson |
8192f2c6 AM |
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 | ||
13 | package org.eclipse.linuxtools.tmf.core.statistics; | |
14 | ||
55954069 | 15 | import org.eclipse.jdt.annotation.NonNull; |
8192f2c6 AM |
16 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; |
17 | import org.eclipse.linuxtools.tmf.core.event.ITmfLostEvent; | |
18 | import org.eclipse.linuxtools.tmf.core.exceptions.AttributeNotFoundException; | |
19 | import org.eclipse.linuxtools.tmf.core.exceptions.StateValueTypeException; | |
20 | import org.eclipse.linuxtools.tmf.core.exceptions.TimeRangeException; | |
21 | import org.eclipse.linuxtools.tmf.core.statesystem.AbstractTmfStateProvider; | |
22 | import org.eclipse.linuxtools.tmf.core.statesystem.ITmfStateProvider; | |
23 | import org.eclipse.linuxtools.tmf.core.statesystem.TmfStateSystemAnalysisModule; | |
24 | import org.eclipse.linuxtools.tmf.core.statevalue.TmfStateValue; | |
25 | import org.eclipse.linuxtools.tmf.core.statistics.TmfStateStatistics.Attributes; | |
26 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; | |
27 | import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace; | |
28 | ||
29 | /** | |
30 | * The analysis module building the "event types" statistics state system. | |
31 | * | |
32 | * It is not in the extension point (and as such, not registered in the | |
33 | * TmfAnalysisManager), as it is being handled by the TmfStatisticsModule. | |
34 | * | |
35 | * @author Alexandre Montplaisir | |
36 | * @since 3.0 | |
37 | */ | |
38 | public class TmfStatisticsEventTypesModule extends TmfStateSystemAnalysisModule { | |
39 | ||
40 | /** | |
41 | * The ID of this analysis module (which is also the ID of the state system) | |
42 | */ | |
55954069 | 43 | @NonNull |
8192f2c6 AM |
44 | public static final String ID = "org.eclipse.linuxtools.tmf.statistics.types"; //$NON-NLS-1$ |
45 | ||
46 | private static final String NAME = "TMF Statistics, events per type"; //$NON-NLS-1$ | |
47 | ||
48 | /** | |
49 | * Constructor | |
50 | */ | |
51 | public TmfStatisticsEventTypesModule() { | |
52 | setId(ID); | |
53 | setName(NAME); | |
54 | } | |
55 | ||
56 | @Override | |
57 | protected ITmfStateProvider createStateProvider() { | |
58 | return new StatsProviderEventTypes(getTrace()); | |
59 | } | |
60 | ||
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61 | @Override |
62 | protected String getSsFileName() { | |
63 | return "statistics-types.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 | * It will store number of events seen, per event types. The resulting attribute | |
72 | * tree will look like this: | |
73 | * | |
74 | * <pre> | |
75 | * (root) | |
76 | * \-- event_types | |
77 | * |-- (event name 1) | |
78 | * |-- (event name 2) | |
79 | * |-- (event name 3) | |
80 | * ... | |
81 | * </pre> | |
82 | * | |
83 | * And each (event name)'s value will be an integer, representing how many times | |
84 | * this particular event type has been seen in the trace so far. | |
85 | * | |
86 | * @author Alexandre Montplaisir | |
87 | * @version 1.0 | |
88 | */ | |
89 | class StatsProviderEventTypes extends AbstractTmfStateProvider { | |
90 | ||
91 | /** | |
92 | * Version number of this input handler. Please bump this if you modify the | |
93 | * contents of the generated state history in some way. | |
94 | */ | |
95 | private static final int VERSION = 2; | |
96 | ||
97 | /** | |
98 | * Constructor | |
99 | * | |
100 | * @param trace | |
101 | * The trace for which we build this state system | |
102 | */ | |
103 | public StatsProviderEventTypes(ITmfTrace trace) { | |
104 | super(trace, ITmfEvent.class ,"TMF Statistics, events per type"); //$NON-NLS-1$ | |
105 | } | |
106 | ||
107 | @Override | |
108 | public int getVersion() { | |
109 | return VERSION; | |
110 | } | |
111 | ||
112 | @Override | |
113 | public StatsProviderEventTypes getNewInstance() { | |
114 | return new StatsProviderEventTypes(this.getTrace()); | |
115 | } | |
116 | ||
117 | @Override | |
118 | protected void eventHandle(ITmfEvent event) { | |
119 | int quark; | |
120 | ||
121 | /* Since this can be used for any trace types, normalize all the | |
122 | * timestamp values to nanoseconds. */ | |
123 | final long ts = event.getTimestamp().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); | |
124 | ||
125 | final String eventName = event.getType().getName(); | |
126 | ||
127 | try { | |
128 | /* Special handling for lost events */ | |
129 | if (event instanceof ITmfLostEvent) { | |
130 | ITmfLostEvent le = (ITmfLostEvent) event; | |
131 | quark = ss.getQuarkAbsoluteAndAdd(Attributes.EVENT_TYPES, eventName); | |
132 | ||
133 | int curVal = ss.queryOngoingState(quark).unboxInt(); | |
134 | if (curVal == -1) { | |
135 | curVal = 0; | |
136 | } | |
137 | ||
138 | TmfStateValue value = TmfStateValue.newValueInt((int) (curVal + le.getNbLostEvents())); | |
139 | ss.modifyAttribute(ts, value, quark); | |
140 | return; | |
141 | } | |
142 | ||
143 | /* Number of events of each type, globally */ | |
144 | quark = ss.getQuarkAbsoluteAndAdd(Attributes.EVENT_TYPES, eventName); | |
145 | ss.incrementAttribute(ts, quark); | |
146 | ||
147 | // /* Number of events per CPU */ | |
148 | // quark = ss.getQuarkRelativeAndAdd(currentCPUNode, Attributes.STATISTICS, Attributes.EVENT_TYPES, eventName); | |
149 | // ss.incrementAttribute(ts, quark); | |
150 | // | |
151 | // /* Number of events per process */ | |
152 | // quark = ss.getQuarkRelativeAndAdd(currentThreadNode, Attributes.STATISTICS, Attributes.EVENT_TYPES, eventName); | |
153 | // ss.incrementAttribute(ts, quark); | |
154 | ||
155 | } catch (StateValueTypeException | TimeRangeException | AttributeNotFoundException e) { | |
156 | e.printStackTrace(); | |
157 | } | |
158 | } | |
159 | } | |
160 | } |