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af3275f8 AM |
1 | /* |
2 | * Copyright (C) 2017 EfficiOS Inc., Alexandre Montplaisir <alexmonthy@efficios.com> | |
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 | ||
10 | package org.lttng.scope.lttng.kernel.core.views.timegraph.resources; | |
11 | ||
12 | import java.util.Collections; | |
13 | import java.util.List; | |
14 | import java.util.Map; | |
15 | import java.util.function.Function; | |
16 | ||
17 | import org.eclipse.jdt.annotation.Nullable; | |
deecbf8e AM |
18 | import org.eclipse.tracecompass.analysis.os.linux.core.kernel.KernelAnalysisModule; |
19 | import org.eclipse.tracecompass.analysis.os.linux.core.kernel.StateValues; | |
20 | import org.eclipse.tracecompass.statesystem.core.exceptions.StateValueTypeException; | |
21 | import org.eclipse.tracecompass.statesystem.core.statevalue.ITmfStateValue; | |
af3275f8 AM |
22 | import org.lttng.scope.lttng.kernel.core.views.timegraph.KernelAnalysisStateDefinitions; |
23 | import org.lttng.scope.tmf2.views.core.config.ConfigOption; | |
24 | import org.lttng.scope.tmf2.views.core.timegraph.model.provider.statesystem.StateSystemModelStateProvider; | |
25 | import org.lttng.scope.tmf2.views.core.timegraph.model.render.ColorDefinition; | |
26 | import org.lttng.scope.tmf2.views.core.timegraph.model.render.LineThickness; | |
27 | import org.lttng.scope.tmf2.views.core.timegraph.model.render.StateDefinition; | |
28 | ||
29 | import com.google.common.annotations.VisibleForTesting; | |
30 | import com.google.common.collect.ImmutableList; | |
31 | ||
af3275f8 AM |
32 | /** |
33 | * State provider of the Resources time graph. | |
34 | * | |
35 | * @author Alexandre Montplaisir | |
36 | */ | |
37 | public class ResourcesModelStateProvider extends StateSystemModelStateProvider { | |
38 | ||
39 | // ------------------------------------------------------------------------ | |
40 | // Label mapping | |
41 | // ------------------------------------------------------------------------ | |
42 | ||
43 | private static final Function<StateIntervalContext, @Nullable String> LABEL_MAPPING_FUNCTION = ssCtx -> null; | |
44 | ||
45 | // ------------------------------------------------------------------------ | |
46 | // Color mapping, line thickness | |
47 | // ------------------------------------------------------------------------ | |
48 | ||
49 | /** | |
50 | * State definitions used in this provider. | |
51 | */ | |
52 | private static final List<StateDefinition> STATE_DEFINITIONS = ImmutableList.of( | |
53 | KernelAnalysisStateDefinitions.CPU_STATE_IDLE, | |
54 | KernelAnalysisStateDefinitions.THREAD_STATE_SYSCALL, | |
55 | KernelAnalysisStateDefinitions.THREAD_STATE_USERMODE, | |
56 | KernelAnalysisStateDefinitions.CPU_STATE_IRQ_ACTIVE, | |
57 | KernelAnalysisStateDefinitions.CPU_STATE_SOFTIRQ_ACTIVE, | |
58 | KernelAnalysisStateDefinitions.CPU_STATE_SOFTIRQ_RAISED); | |
59 | ||
60 | private static final Function<StateIntervalContext, StateDefinition> STATE_DEF_MAPPING_FUNCTION = ssCtx -> { | |
61 | ITmfStateValue val = ssCtx.sourceInterval.getStateValue(); | |
62 | return stateValueToStateDef(val); | |
63 | }; | |
64 | ||
65 | @VisibleForTesting | |
66 | static final StateDefinition stateValueToStateDef(ITmfStateValue val) { | |
67 | if (val.isNull()) { | |
68 | return KernelAnalysisStateDefinitions.NO_STATE; | |
69 | } | |
70 | ||
71 | try { | |
72 | int status = val.unboxInt(); | |
73 | switch (status) { | |
74 | case StateValues.CPU_STATUS_IDLE: | |
75 | return KernelAnalysisStateDefinitions.CPU_STATE_IDLE; | |
76 | case StateValues.CPU_STATUS_RUN_SYSCALL: | |
77 | return KernelAnalysisStateDefinitions.THREAD_STATE_SYSCALL; | |
78 | case StateValues.CPU_STATUS_RUN_USERMODE: | |
79 | return KernelAnalysisStateDefinitions.THREAD_STATE_USERMODE; | |
80 | case StateValues.CPU_STATUS_IRQ: | |
81 | return KernelAnalysisStateDefinitions.CPU_STATE_IRQ_ACTIVE; | |
82 | case StateValues.CPU_STATUS_SOFTIRQ: | |
83 | return KernelAnalysisStateDefinitions.CPU_STATE_SOFTIRQ_ACTIVE; | |
84 | case StateValues.CPU_STATUS_SOFT_IRQ_RAISED: | |
85 | return KernelAnalysisStateDefinitions.CPU_STATE_SOFTIRQ_RAISED; | |
86 | default: | |
87 | return KernelAnalysisStateDefinitions.CPU_STATE_UNKNOWN; | |
88 | } | |
89 | ||
90 | } catch (StateValueTypeException e) { | |
91 | return KernelAnalysisStateDefinitions.CPU_STATE_UNKNOWN; | |
92 | } | |
93 | } | |
94 | ||
95 | private static final Function<StateIntervalContext, String> STATE_NAME_MAPPING_FUNCTION = ssCtx -> STATE_DEF_MAPPING_FUNCTION.apply(ssCtx).getName(); | |
96 | ||
97 | private static final Function<StateIntervalContext, ConfigOption<ColorDefinition>> COLOR_MAPPING_FUNCTION = ssCtx -> STATE_DEF_MAPPING_FUNCTION.apply(ssCtx).getColor(); | |
98 | ||
99 | private static final Function<StateIntervalContext, ConfigOption<LineThickness>> LINE_THICKNESS_MAPPING_FUNCTION = ssCtx -> STATE_DEF_MAPPING_FUNCTION.apply(ssCtx).getLineThickness(); | |
100 | ||
101 | // ------------------------------------------------------------------------ | |
102 | // Properties | |
103 | // ------------------------------------------------------------------------ | |
104 | ||
105 | private static final Function<StateIntervalContext, Map<String, String>> PROPERTIES_MAPPING_FUNCTION = ssCtx -> { | |
106 | // TODO Add current thread on this CPU | |
107 | return Collections.emptyMap(); | |
108 | }; | |
109 | ||
110 | /** | |
111 | * Constructor | |
112 | */ | |
113 | public ResourcesModelStateProvider() { | |
114 | super(STATE_DEFINITIONS, | |
115 | KernelAnalysisModule.ID, | |
116 | STATE_NAME_MAPPING_FUNCTION, | |
117 | LABEL_MAPPING_FUNCTION, | |
118 | COLOR_MAPPING_FUNCTION, | |
119 | LINE_THICKNESS_MAPPING_FUNCTION, | |
120 | PROPERTIES_MAPPING_FUNCTION); | |
121 | } | |
122 | } |