| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2013, 2014 Ericsson |
| 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 | |
| 15 | import org.eclipse.jdt.annotation.NonNull; |
| 16 | import org.eclipse.linuxtools.statesystem.core.exceptions.AttributeNotFoundException; |
| 17 | import org.eclipse.linuxtools.statesystem.core.exceptions.StateValueTypeException; |
| 18 | import org.eclipse.linuxtools.statesystem.core.exceptions.TimeRangeException; |
| 19 | import org.eclipse.linuxtools.statesystem.core.statevalue.TmfStateValue; |
| 20 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; |
| 21 | import org.eclipse.linuxtools.tmf.core.event.ITmfLostEvent; |
| 22 | import org.eclipse.linuxtools.tmf.core.statesystem.AbstractTmfStateProvider; |
| 23 | import org.eclipse.linuxtools.tmf.core.statesystem.ITmfStateProvider; |
| 24 | import org.eclipse.linuxtools.tmf.core.statesystem.TmfStateSystemAnalysisModule; |
| 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 | */ |
| 43 | @NonNull |
| 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 | |
| 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 | } |