projects / deliverable / tracecompass.git / blame
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|---|---|---|
| 6e512b93 ASL |
1 | /******************************************************************************* |
| 2 | * Copyright (c) 2009 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 | * Alvaro Sanchez-Leon (alvsan09@gmail.com) - Initial API and implementation | |
| 860cadcf | 11 | * Michel Dagenais (michel.dagenais@polymtl.ca) - Reference C implementation, used with permission |
| 6e512b93 ASL |
12 | *******************************************************************************/ |
| 13 | package org.eclipse.linuxtools.lttng.ui.views.resources.evProcessor; | |
| 14 | ||
| 15 | import java.util.HashMap; | |
| 16 | import java.util.Map; | |
| 17 | ||
| 6c13869b FC |
18 | import org.eclipse.linuxtools.lttng.core.event.LttngEvent; |
| 19 | import org.eclipse.linuxtools.lttng.core.event.LttngSyntheticEvent; | |
| 20 | import org.eclipse.linuxtools.lttng.core.event.LttngSyntheticEvent.SequenceInd; | |
| 21 | import org.eclipse.linuxtools.lttng.core.state.StateStrings; | |
| 22 | import org.eclipse.linuxtools.lttng.core.state.evProcessor.AbsEventToHandlerResolver; | |
| 23 | import org.eclipse.linuxtools.lttng.core.state.evProcessor.ILttngEventProcessor; | |
| 24 | import org.eclipse.linuxtools.lttng.core.state.model.LttngTraceState; | |
| 6e512b93 ASL |
25 | |
| 26 | /** | |
| 27 | * Builds a Map from string event name to a processing handler object, the | |
| 28 | * processors implement the same interface to facilitate transparent methods | |
| 29 | * call, | |
| 30 | * | |
| 31 | * The map key String is the entry point of the raw events. Using a hash speeds | |
| 32 | * up the resolution of the appropriate processor | |
| 33 | * | |
| 34 | * @author alvaro | |
| 35 | * | |
| 36 | */ | |
| 37 | public class ResourcesEventToHandlerFactory extends AbsEventToHandlerResolver { | |
| 38 | // ======================================================================== | |
| 39 | // Data | |
| 40 | // ======================================================================= | |
| 41 | private final Map<String, ILttngEventProcessor> eventNametoBeforeProcessor = new HashMap<String, ILttngEventProcessor>(); | |
| 42 | private final Map<String, ILttngEventProcessor> eventNametoAfterProcessor = new HashMap<String, ILttngEventProcessor>(); | |
| 43 | private ResourcesFinishUpdateHandler finishProcessor = null; | |
| 44 | private static ResourcesEventToHandlerFactory instance = null; | |
| 45 | private ResourcesBeforeUpdateHandlers instantiateBeforeHandler = new ResourcesBeforeUpdateHandlers(); | |
| 46 | private ResourcesAfterUpdateHandlers instantiateAfterHandler = new ResourcesAfterUpdateHandlers(); | |
| 47 | ||
| 48 | private ResourcesEventToHandlerFactory() { | |
| 49 | super(); | |
| 50 | // Create one instance of each individual event handler and add the | |
| 51 | // instance to the map | |
| 52 | ||
| 53 | // *** BEFORE HOOKS *** | |
| 54 | eventNametoBeforeProcessor.put( | |
| 55 | StateStrings.Events.LTT_EVENT_SCHED_SCHEDULE.getInName(), | |
| 56 | instantiateBeforeHandler.getBeforeSchedChangeHandler()); | |
| 57 | ||
| 58 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_TRAP_ENTRY | |
| 59 | .getInName(), instantiateBeforeHandler | |
| 60 | .getBeforeExecutionModeTrap()); | |
| 61 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_TRAP_EXIT | |
| 62 | .getInName(), instantiateBeforeHandler | |
| 63 | .getBeforeExecutionModeTrap()); | |
| 64 | eventNametoBeforeProcessor.put( | |
| 65 | StateStrings.Events.LTT_EVENT_PAGE_FAULT_ENTRY.getInName(), | |
| 66 | instantiateBeforeHandler.getBeforeExecutionModeTrap()); | |
| 67 | eventNametoBeforeProcessor.put( | |
| 68 | StateStrings.Events.LTT_EVENT_PAGE_FAULT_EXIT.getInName(), | |
| 69 | instantiateBeforeHandler.getBeforeExecutionModeTrap()); | |
| 70 | eventNametoBeforeProcessor.put( | |
| 71 | StateStrings.Events.LTT_EVENT_PAGE_FAULT_NOSEM_ENTRY | |
| 72 | .getInName(), instantiateBeforeHandler | |
| 73 | .getBeforeExecutionModeTrap()); | |
| 74 | eventNametoBeforeProcessor | |
| 75 | .put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_NOSEM_EXIT | |
| 76 | .getInName(), instantiateBeforeHandler | |
| 77 | .getBeforeExecutionModeTrap()); | |
| 78 | ||
| 79 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_IRQ_ENTRY | |
| 80 | .getInName(), instantiateBeforeHandler | |
| 81 | .getBeforeExecutionModeIrq()); | |
| 82 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_IRQ_EXIT | |
| 83 | .getInName(), instantiateBeforeHandler | |
| 84 | .getBeforeExecutionModeIrq()); | |
| 85 | ||
| 86 | eventNametoBeforeProcessor.put( | |
| 87 | StateStrings.Events.LTT_EVENT_SOFT_IRQ_RAISE.getInName(), | |
| 88 | instantiateBeforeHandler.getBeforeExecutionModeSoftIrq()); | |
| 89 | eventNametoBeforeProcessor.put( | |
| 90 | StateStrings.Events.LTT_EVENT_SOFT_IRQ_ENTRY.getInName(), | |
| 91 | instantiateBeforeHandler.getBeforeExecutionModeSoftIrq()); | |
| 92 | eventNametoBeforeProcessor.put( | |
| 93 | StateStrings.Events.LTT_EVENT_SOFT_IRQ_EXIT.getInName(), | |
| 94 | instantiateBeforeHandler.getBeforeExecutionModeSoftIrq()); | |
| 95 | ||
| 96 | eventNametoBeforeProcessor.put( | |
| 97 | StateStrings.Events.LTT_EVENT_REQUEST_ISSUE.getInName(), | |
| 98 | instantiateBeforeHandler.getBeforeBdevEvent()); | |
| 99 | eventNametoBeforeProcessor.put( | |
| 100 | StateStrings.Events.LTT_EVENT_REQUEST_COMPLETE.getInName(), | |
| 101 | instantiateBeforeHandler.getBeforeBdevEvent()); | |
| 102 | ||
| 103 | // *** AFTER HOOKS *** | |
| 104 | eventNametoAfterProcessor.put( | |
| 105 | StateStrings.Events.LTT_EVENT_SCHED_SCHEDULE.getInName(), | |
| 106 | instantiateAfterHandler.getAfterSchedChangeHandler()); | |
| 107 | ||
| 108 | finishProcessor = new ResourcesFinishUpdateHandler(); | |
| 109 | } | |
| 110 | ||
| 111 | /** | |
| 112 | * | |
| 113 | */ | |
| 114 | public static AbsEventToHandlerResolver getInstance() { | |
| 115 | if (instance == null) { | |
| 116 | instance = new ResourcesEventToHandlerFactory(); | |
| 117 | } | |
| 118 | return instance; | |
| 119 | } | |
| 120 | ||
| 121 | @Override | |
| 122 | public ILttngEventProcessor getAfterProcessor(String eventType) { | |
| 123 | return eventNametoAfterProcessor.get(eventType); | |
| 124 | } | |
| 125 | ||
| 126 | @Override | |
| 127 | public ILttngEventProcessor getBeforeProcessor(String eventType) { | |
| 128 | return eventNametoBeforeProcessor.get(eventType); | |
| 129 | } | |
| 130 | ||
| 131 | @Override | |
| 132 | public ILttngEventProcessor getfinishProcessor() { | |
| 133 | return finishProcessor; | |
| 134 | } | |
| 135 | ||
| 550d787e | 136 | @Override |
| 6e512b93 ASL |
137 | public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) { |
| 138 | if (trcEvent instanceof LttngSyntheticEvent) { | |
| 139 | ||
| 140 | LttngSyntheticEvent synEvent = (LttngSyntheticEvent) trcEvent; | |
| 141 | String eventType = synEvent.getMarkerName(); | |
| 142 | ILttngEventProcessor processor = null; | |
| 143 | if (synEvent.getSynType() == SequenceInd.BEFORE) { | |
| 144 | processor = getBeforeProcessor(eventType); | |
| 145 | } | |
| 146 | ||
| 147 | if (synEvent.getSynType() == SequenceInd.AFTER) { | |
| 148 | processor = getAfterProcessor(eventType); | |
| 149 | } | |
| 150 | ||
| 151 | if (synEvent.getSynType() == SequenceInd.ENDREQ) { | |
| 152 | processor = getfinishProcessor(); | |
| 153 | } | |
| 154 | ||
| 155 | if (processor != null) { | |
| 156 | processor.process(trcEvent, traceSt); | |
| 157 | } | |
| 158 | } | |
| 159 | return false; | |
| 160 | } | |
| 161 | ||
| 162 | @Override | |
| 163 | public ILttngEventProcessor getStateUpdaterProcessor(String eventType) { | |
| 164 | return null; | |
| 165 | } | |
| 166 | } |