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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 | ||
2bdf0193 | 13 | package org.eclipse.tracecompass.tmf.core.statistics; |
8192f2c6 | 14 | |
55954069 | 15 | import org.eclipse.jdt.annotation.NonNull; |
e894a508 AM |
16 | import org.eclipse.tracecompass.statesystem.core.exceptions.AttributeNotFoundException; |
17 | import org.eclipse.tracecompass.statesystem.core.exceptions.StateValueTypeException; | |
18 | import org.eclipse.tracecompass.statesystem.core.exceptions.TimeRangeException; | |
19 | import org.eclipse.tracecompass.statesystem.core.statevalue.TmfStateValue; | |
2bdf0193 AM |
20 | import org.eclipse.tracecompass.tmf.core.event.ITmfEvent; |
21 | import org.eclipse.tracecompass.tmf.core.event.ITmfLostEvent; | |
22 | import org.eclipse.tracecompass.tmf.core.statesystem.AbstractTmfStateProvider; | |
23 | import org.eclipse.tracecompass.tmf.core.statesystem.ITmfStateProvider; | |
24 | import org.eclipse.tracecompass.tmf.core.statesystem.TmfStateSystemAnalysisModule; | |
25 | import org.eclipse.tracecompass.tmf.core.statistics.TmfStateStatistics.Attributes; | |
26 | import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp; | |
27 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; | |
8192f2c6 AM |
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() { | |
d4c4fe14 | 52 | super(); |
8192f2c6 AM |
53 | setId(ID); |
54 | setName(NAME); | |
55 | } | |
56 | ||
57 | @Override | |
58 | protected ITmfStateProvider createStateProvider() { | |
59 | return new StatsProviderEventTypes(getTrace()); | |
60 | } | |
61 | ||
8192f2c6 AM |
62 | @Override |
63 | protected String getSsFileName() { | |
64 | return "statistics-types.ht"; //$NON-NLS-1$ | |
65 | } | |
66 | ||
67 | ||
68 | /** | |
69 | * The state provider for traces statistics that use TmfStateStatistics. It | |
70 | * should work with any trace type for which we can use the state system. | |
71 | * | |
72 | * It will store number of events seen, per event types. The resulting attribute | |
73 | * tree will look like this: | |
74 | * | |
75 | * <pre> | |
76 | * (root) | |
77 | * \-- event_types | |
78 | * |-- (event name 1) | |
79 | * |-- (event name 2) | |
80 | * |-- (event name 3) | |
81 | * ... | |
82 | * </pre> | |
83 | * | |
84 | * And each (event name)'s value will be an integer, representing how many times | |
85 | * this particular event type has been seen in the trace so far. | |
86 | * | |
87 | * @author Alexandre Montplaisir | |
88 | * @version 1.0 | |
89 | */ | |
90 | class StatsProviderEventTypes extends AbstractTmfStateProvider { | |
91 | ||
92 | /** | |
93 | * Version number of this input handler. Please bump this if you modify the | |
94 | * contents of the generated state history in some way. | |
95 | */ | |
96 | private static final int VERSION = 2; | |
97 | ||
98 | /** | |
99 | * Constructor | |
100 | * | |
101 | * @param trace | |
102 | * The trace for which we build this state system | |
103 | */ | |
104 | public StatsProviderEventTypes(ITmfTrace trace) { | |
105 | super(trace, ITmfEvent.class ,"TMF Statistics, events per type"); //$NON-NLS-1$ | |
106 | } | |
107 | ||
108 | @Override | |
109 | public int getVersion() { | |
110 | return VERSION; | |
111 | } | |
112 | ||
113 | @Override | |
114 | public StatsProviderEventTypes getNewInstance() { | |
115 | return new StatsProviderEventTypes(this.getTrace()); | |
116 | } | |
117 | ||
118 | @Override | |
119 | protected void eventHandle(ITmfEvent event) { | |
120 | int quark; | |
121 | ||
122 | /* Since this can be used for any trace types, normalize all the | |
123 | * timestamp values to nanoseconds. */ | |
124 | final long ts = event.getTimestamp().normalize(0, ITmfTimestamp.NANOSECOND_SCALE).getValue(); | |
125 | ||
126 | final String eventName = event.getType().getName(); | |
127 | ||
128 | try { | |
129 | /* Special handling for lost events */ | |
130 | if (event instanceof ITmfLostEvent) { | |
131 | ITmfLostEvent le = (ITmfLostEvent) event; | |
132 | quark = ss.getQuarkAbsoluteAndAdd(Attributes.EVENT_TYPES, eventName); | |
133 | ||
134 | int curVal = ss.queryOngoingState(quark).unboxInt(); | |
135 | if (curVal == -1) { | |
136 | curVal = 0; | |
137 | } | |
138 | ||
139 | TmfStateValue value = TmfStateValue.newValueInt((int) (curVal + le.getNbLostEvents())); | |
140 | ss.modifyAttribute(ts, value, quark); | |
141 | return; | |
142 | } | |
143 | ||
144 | /* Number of events of each type, globally */ | |
145 | quark = ss.getQuarkAbsoluteAndAdd(Attributes.EVENT_TYPES, eventName); | |
146 | ss.incrementAttribute(ts, quark); | |
147 | ||
148 | // /* Number of events per CPU */ | |
149 | // quark = ss.getQuarkRelativeAndAdd(currentCPUNode, Attributes.STATISTICS, Attributes.EVENT_TYPES, eventName); | |
150 | // ss.incrementAttribute(ts, quark); | |
151 | // | |
152 | // /* Number of events per process */ | |
153 | // quark = ss.getQuarkRelativeAndAdd(currentThreadNode, Attributes.STATISTICS, Attributes.EVENT_TYPES, eventName); | |
154 | // ss.incrementAttribute(ts, quark); | |
155 | ||
156 | } catch (StateValueTypeException | TimeRangeException | AttributeNotFoundException e) { | |
157 | e.printStackTrace(); | |
158 | } | |
159 | } | |
160 | } | |
161 | } |