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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 | * Yann N. Dauphin (dhaemon@gmail.com) - Implementation for stats | |
11 | * Alvaro Sanchez-Leon (alvsan09@gmail.com) - Initial API and implementation | |
12 | *******************************************************************************/ | |
13 | package org.eclipse.linuxtools.lttng.ui.views.statistics.evProcessor; | |
14 | ||
15 | import java.util.HashMap; | |
16 | import java.util.Map; | |
17 | ||
18 | import org.eclipse.linuxtools.lttng.state.StateStrings; | |
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19 | import org.eclipse.linuxtools.lttng.state.evProcessor.AbsEventProcessorFactory; |
20 | import org.eclipse.linuxtools.lttng.state.evProcessor.IEventProcessing; | |
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21 | |
22 | /** | |
23 | * Provide the handlers that will count the CPU Time, Cumulative CPU Time and | |
24 | * Elapsed Time and update the appropriate tree. | |
25 | * | |
26 | * Builds a Map from string event name to a processing handler object, the | |
27 | * processors implement the same interface to facilitate transparent methods | |
28 | * call, | |
29 | * | |
30 | * The map key STring is the entry point of the raw events, using a hash speeds | |
31 | * up the resolution of the appropriate processor | |
32 | * | |
33 | * @author alvaro | |
34 | * | |
35 | */ | |
8035003b | 36 | public class StatsTimeCountHandlerFactory extends AbsEventProcessorFactory{ |
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37 | // ======================================================================== |
38 | // Data | |
39 | // ======================================================================= | |
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40 | private final Map<String, IEventProcessing> eventNametoBeforeProcessor = new HashMap<String, IEventProcessing>(); |
41 | private final Map<String, IEventProcessing> eventNametoAfterProcessor = new HashMap<String, IEventProcessing>(); | |
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42 | private static StatsTimeCountHandlerFactory instance = null; |
43 | private StatsTimeCountHandlers instantiateHandler = new StatsTimeCountHandlers(); | |
44 | ||
45 | // ======================================================================== | |
46 | // Constructors | |
47 | // ======================================================================= | |
48 | private StatsTimeCountHandlerFactory() { | |
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49 | //create one instance of each individual event handler and add the instance to the map |
50 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_SYSCALL_ENTRY | |
51 | .getInName(), instantiateHandler.getSyscallEntryBeforeHandler()); | |
52 | ||
53 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_SYSCALL_EXIT | |
54 | .getInName(), instantiateHandler.getsySyscallExitBeforeHandler()); | |
55 | ||
56 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_TRAP_ENTRY | |
57 | .getInName(), instantiateHandler.getTrapEntryBeforeHandler()); | |
58 | ||
59 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_TRAP_EXIT | |
60 | .getInName(), instantiateHandler.getTrapExitBeforeHandler()); | |
61 | ||
62 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_ENTRY | |
63 | .getInName(), instantiateHandler.getTrapEntryBeforeHandler()); | |
64 | ||
65 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_EXIT | |
66 | .getInName(), instantiateHandler.getTrapExitBeforeHandler()); | |
67 | ||
68 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_NOSEM_ENTRY | |
69 | .getInName(), instantiateHandler.getTrapEntryBeforeHandler()); | |
70 | ||
71 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_PAGE_FAULT_NOSEM_EXIT | |
72 | .getInName(), instantiateHandler.getTrapExitBeforeHandler()); | |
73 | ||
74 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_IRQ_ENTRY | |
75 | .getInName(), instantiateHandler.getIrqEntryBeforeHandler()); | |
76 | ||
77 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_IRQ_EXIT | |
78 | .getInName(), instantiateHandler.getIrqExitBeforeHandler()); | |
79 | ||
80 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_SOFT_IRQ_ENTRY | |
81 | .getInName(), instantiateHandler.getSoftIrqEntryBeforeHandler()); | |
82 | ||
83 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_SOFT_IRQ_EXIT | |
84 | .getInName(), instantiateHandler.getSoftIrqExitBeforeHandler()); | |
85 | ||
86 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_FUNCTION_ENTRY | |
87 | .getInName(), instantiateHandler.getFunctionEntryBeforeHandler()); | |
88 | ||
89 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_FUNCTION_EXIT | |
90 | .getInName(), instantiateHandler.getFunctionExitBeforeHandler()); | |
91 | ||
92 | eventNametoBeforeProcessor.put(StateStrings.Events.LTT_EVENT_SCHED_SCHEDULE | |
93 | .getInName(), instantiateHandler.getSchedChangeBeforeHandler()); | |
94 | ||
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95 | eventNametoAfterProcessor.put(StateStrings.Events.LTT_EVENT_SCHED_SCHEDULE |
96 | .getInName(), instantiateHandler.getSchedChangeAfterHandler()); | |
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97 | |
98 | } | |
99 | ||
100 | // ======================================================================== | |
101 | // Public methods | |
102 | // ======================================================================= | |
103 | /** | |
104 | * The event processors are common to all traces an multiple instances will | |
105 | * use more memory unnecessarily | |
106 | * | |
107 | * @return | |
108 | */ | |
8035003b | 109 | public static AbsEventProcessorFactory getInstance() { |
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110 | if (instance == null) { |
111 | instance = new StatsTimeCountHandlerFactory(); | |
112 | } | |
113 | return instance; | |
114 | } | |
115 | ||
116 | ||
117 | @Override | |
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118 | public IEventProcessing getAfterProcessor(String eventType) { |
119 | return eventNametoAfterProcessor.get(eventType); | |
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120 | } |
121 | ||
122 | @Override | |
8035003b | 123 | public IEventProcessing getBeforeProcessor(String eventType) { |
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124 | return eventNametoBeforeProcessor.get(eventType); |
125 | } | |
126 | ||
127 | @Override | |
8035003b | 128 | public IEventProcessing getfinishProcessor() { |
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129 | // No finishing processor used |
130 | return null; | |
131 | } | |
6e512b93 | 132 | } |