Commit | Line | Data |
---|---|---|
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 | ||
18 | import org.eclipse.linuxtools.lttng.event.LttngEvent; | |
19 | import org.eclipse.linuxtools.lttng.event.LttngSyntheticEvent; | |
20 | import org.eclipse.linuxtools.lttng.event.LttngSyntheticEvent.SequenceInd; | |
21 | import org.eclipse.linuxtools.lttng.state.StateStrings; | |
22 | import org.eclipse.linuxtools.lttng.state.evProcessor.AbsEventToHandlerResolver; | |
23 | import org.eclipse.linuxtools.lttng.state.evProcessor.ILttngEventProcessor; | |
24 | import org.eclipse.linuxtools.lttng.state.model.LttngTraceState; | |
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 | } |