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Refactor sampler node export process
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63 changes: 63 additions & 0 deletions
63
spark-common/src/main/java/me/lucko/spark/common/sampler/async/AsyncNodeExporter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| /* | ||
| * This file is part of spark. | ||
| * | ||
| * Copyright (c) lucko (Luck) <[email protected]> | ||
| * Copyright (c) contributors | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
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| package me.lucko.spark.common.sampler.async; | ||
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| import me.lucko.spark.common.sampler.node.StackTraceNode; | ||
| import me.lucko.spark.common.sampler.node.exporter.AbstractNodeExporter; | ||
| import me.lucko.spark.common.sampler.window.ProtoTimeEncoder; | ||
| import me.lucko.spark.proto.SparkSamplerProtos; | ||
|
|
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| import java.util.Collection; | ||
|
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| /** | ||
| * Node exporter for the {@link AsyncSampler}. | ||
| */ | ||
| public class AsyncNodeExporter extends AbstractNodeExporter { | ||
| public AsyncNodeExporter(ProtoTimeEncoder timeEncoder) { | ||
| super(timeEncoder); | ||
| } | ||
|
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| @Override | ||
| protected SparkSamplerProtos.StackTraceNode export(StackTraceNode stackTraceNode, Iterable<Integer> childrenRefs) { | ||
| SparkSamplerProtos.StackTraceNode.Builder proto = SparkSamplerProtos.StackTraceNode.newBuilder() | ||
| .setClassName(stackTraceNode.getClassName()) | ||
| .setMethodName(stackTraceNode.getMethodName()); | ||
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| double[] times = stackTraceNode.encodeTimesForProto(this.timeEncoder); | ||
| for (double time : times) { | ||
| proto.addTimes(time); | ||
| } | ||
|
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| String methodDescription = stackTraceNode.getMethodDescription(); | ||
| if (methodDescription != null) { | ||
| proto.setMethodDesc(methodDescription); | ||
| } | ||
|
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| proto.addAllChildrenRefs(childrenRefs); | ||
|
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| return proto.build(); | ||
| } | ||
|
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| @Override | ||
| protected Collection<StackTraceNode> exportChildren(Collection<StackTraceNode> children) { | ||
| return children; | ||
| } | ||
| } |
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97 changes: 97 additions & 0 deletions
97
spark-common/src/main/java/me/lucko/spark/common/sampler/java/JavaNodeExporter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| /* | ||
| * This file is part of spark. | ||
| * | ||
| * Copyright (c) lucko (Luck) <[email protected]> | ||
| * Copyright (c) contributors | ||
| * | ||
| * This program is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
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| package me.lucko.spark.common.sampler.java; | ||
|
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| import me.lucko.spark.common.sampler.node.StackTraceNode; | ||
| import me.lucko.spark.common.sampler.node.exporter.AbstractNodeExporter; | ||
| import me.lucko.spark.common.sampler.window.ProtoTimeEncoder; | ||
| import me.lucko.spark.common.util.MethodDisambiguator; | ||
| import me.lucko.spark.proto.SparkSamplerProtos; | ||
|
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| import java.util.ArrayList; | ||
| import java.util.Collection; | ||
| import java.util.List; | ||
|
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| /** | ||
| * Node exporter for the {@link JavaSampler}. | ||
| */ | ||
| public class JavaNodeExporter extends AbstractNodeExporter { | ||
| private final MergeStrategy mergeStrategy; | ||
| private final MethodDisambiguator methodDisambiguator; | ||
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| public JavaNodeExporter(ProtoTimeEncoder timeEncoder, MergeStrategy mergeStrategy, MethodDisambiguator methodDisambiguator) { | ||
| super(timeEncoder); | ||
| this.mergeStrategy = mergeStrategy; | ||
| this.methodDisambiguator = methodDisambiguator; | ||
| } | ||
|
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| protected SparkSamplerProtos.StackTraceNode export(StackTraceNode stackTraceNode, Iterable<Integer> childrenRefs) { | ||
| SparkSamplerProtos.StackTraceNode.Builder proto = SparkSamplerProtos.StackTraceNode.newBuilder() | ||
| .setClassName(stackTraceNode.getClassName()) | ||
| .setMethodName(stackTraceNode.getMethodName()); | ||
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| double[] times = stackTraceNode.encodeTimesForProto(this.timeEncoder); | ||
| for (double time : times) { | ||
| proto.addTimes(time); | ||
| } | ||
|
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| int lineNumber = stackTraceNode.getLineNumber(); | ||
| if (lineNumber >= 0) { | ||
| proto.setLineNumber(lineNumber); | ||
| } | ||
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| if (this.mergeStrategy.separateParentCalls()) { | ||
| int parentLineNumber = stackTraceNode.getParentLineNumber(); | ||
| if (parentLineNumber >= 0) { | ||
| proto.setParentLineNumber(parentLineNumber); | ||
| } | ||
| } | ||
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| this.methodDisambiguator.disambiguate(stackTraceNode) | ||
| .map(MethodDisambiguator.MethodDescription::getDescription) | ||
| .ifPresent(proto::setMethodDesc); | ||
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| proto.addAllChildrenRefs(childrenRefs); | ||
|
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| return proto.build(); | ||
| } | ||
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| @Override | ||
| protected Collection<StackTraceNode> exportChildren(Collection<StackTraceNode> children) { | ||
| if (children.isEmpty()) { | ||
| return children; | ||
| } | ||
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| List<StackTraceNode> list = new ArrayList<>(children.size()); | ||
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| outer: | ||
| for (StackTraceNode child : children) { | ||
| for (StackTraceNode other : list) { | ||
| if (this.mergeStrategy.shouldMerge(this.methodDisambiguator, other, child)) { | ||
| other.merge(child); | ||
| continue outer; | ||
| } | ||
| } | ||
| list.add(child); | ||
| } | ||
| return list; | ||
| } | ||
| } |
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