From c69de75cfb0f43d276f7def981ed5a74034fa7dc Mon Sep 17 00:00:00 2001
From: Roman Elizarov <elizarov@devexperts.com>
Date: Tue, 4 Feb 2014 08:08:00 +0000
Subject: [PATCH] [APROF-82] JMH benchmarks module with simple microbenchmarks
 to measure aprof performance impact

---
 benchmark/pom.xml                             |  63 +++
 .../devexperts/aprof/benchmark/Benchmark.java |  49 +++
 pom.xml                                       | 400 +++++++++---------
 3 files changed, 312 insertions(+), 200 deletions(-)
 create mode 100644 benchmark/pom.xml
 create mode 100644 benchmark/src/main/java/com/devexperts/aprof/benchmark/Benchmark.java

diff --git a/benchmark/pom.xml b/benchmark/pom.xml
new file mode 100644
index 0000000..8c67dec
--- /dev/null
+++ b/benchmark/pom.xml
@@ -0,0 +1,63 @@
+<?xml version="1.0"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+		 xmlns="http://maven.apache.org/POM/4.0.0"
+		 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>com.devexperts.aprof</groupId>
+		<artifactId>aprof</artifactId>
+		<version>27-SNAPSHOT</version>
+	</parent>
+	<artifactId>benchmark</artifactId>
+	<version>27-SNAPSHOT</version>
+	<name>JMH benchmarks</name>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.openjdk.jmh</groupId>
+			<artifactId>jmh-core</artifactId>
+			<version>0.3.1</version>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<configuration>
+					<source>1.6</source>
+					<target>1.6</target>
+				</configuration>
+			</plugin>
+			<plugin>
+				<artifactId>maven-shade-plugin</artifactId>
+				<version>2.0</version>
+				<executions>
+					<execution>
+						<phase>package</phase>
+						<goals>
+							<goal>shade</goal>
+						</goals>
+						<configuration>
+							<finalName>microbenchmarks</finalName>
+							<transformers>
+								<transformer
+										implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+									<mainClass>org.openjdk.jmh.Main</mainClass>
+								</transformer>
+							</transformers>
+							<filters>
+								<filter>
+									<artifact>*:*</artifact>
+									<excludes>
+										<exclude>META-INF/services/javax.annotation.processing.Processor</exclude>
+									</excludes>
+								</filter>
+							</filters>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+</project>
diff --git a/benchmark/src/main/java/com/devexperts/aprof/benchmark/Benchmark.java b/benchmark/src/main/java/com/devexperts/aprof/benchmark/Benchmark.java
new file mode 100644
index 0000000..7d2c752
--- /dev/null
+++ b/benchmark/src/main/java/com/devexperts/aprof/benchmark/Benchmark.java
@@ -0,0 +1,49 @@
+/*
+ * Aprof - Java Memory Allocation Profiler
+ * Copyright (C) 2002-2014  Devexperts LLC
+ *
+ * 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/>.
+ */
+
+package com.devexperts.aprof.benchmark;
+
+import org.openjdk.jmh.annotations.GenerateMicroBenchmark;
+
+public class Benchmark {
+	@GenerateMicroBenchmark
+	public Box testNew() {
+		return newBox();
+	}
+
+	@GenerateMicroBenchmark
+	public int testEscapeAnalysis() {
+		return newBox().getValue();
+	}
+
+	private static Box newBox() {
+		return new Box(1);
+	}
+
+	private static class Box {
+		private int value;
+
+		Box(int value) {
+			this.value = value;
+		}
+
+		private int getValue() {
+			return value;
+		}
+	}
+}
diff --git a/pom.xml b/pom.xml
index 6b67111..46559dd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,200 +1,200 @@
-<!--
-  ~ Aprof - Java Memory Allocation Profiler
-  ~ Copyright (C) 2002-2014  Devexperts LLC
-  ~
-  ~ 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 />.
-  -->
-
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-
-	<groupId>com.devexperts.aprof</groupId>
-	<artifactId>aprof</artifactId>
-	<version>27-SNAPSHOT</version>
-	<packaging>pom</packaging>
-
-	<name>Aprof</name>
-	<url>http://code.devexperts.com/display/Aprof</url>
-
-	<properties>
-		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-	</properties>
-
-	<scm>
-		<connection>scm:svn:http://svn-code.devexperts.com/code/aprof/trunk</connection>
-		<developerConnection>scm:svn:http://svn-code.devexperts.com/coderw/aprof/trunk</developerConnection>
-	</scm>
-
-	<modules>
-		<module>transformer</module>
-		<module>core</module>
-		<module>agent</module>
-	</modules>
-
-	<dependencies>
-		<dependency>
-			<groupId>junit</groupId>
-			<artifactId>junit</artifactId>
-			<version>3.8.1</version>
-			<scope>test</scope>
-		</dependency>
-	</dependencies>
-
-	<build>
-		<plugins>
-			<plugin>
-				<artifactId>maven-compiler-plugin</artifactId>
-				<configuration>
-					<source>1.5</source>
-					<target>1.5</target>
-				</configuration>
-			</plugin>
-			<plugin>
-				<artifactId>maven-release-plugin</artifactId>
-				<configuration>
-					<autoVersionSubmodules>true</autoVersionSubmodules>
-					<tagBase>http://svn-code.devexperts.com/coderw/aprof/tags</tagBase>
-				</configuration>
-			</plugin>
-			<plugin>
-				<artifactId>maven-deploy-plugin</artifactId>
-				<inherited>true</inherited>
-				<configuration>
-					<skip>true</skip>
-				</configuration>
-				<!-- deploy to SVN does via wagon not work without explicitly declared dependencies -->
-				<dependencies>
-					<dependency>
-						<groupId>org.apache.maven.wagon</groupId>
-						<artifactId>wagon-scm</artifactId>
-						<version>2.2</version>
-					</dependency>
-					<dependency>
-						<groupId>org.apache.maven.scm</groupId>
-						<artifactId>maven-scm-manager-plexus</artifactId>
-						<version>1.8.1</version>
-					</dependency>
-					<dependency>
-						<groupId>org.apache.maven.scm</groupId>
-						<artifactId>maven-scm-api</artifactId>
-						<version>1.8.1</version>
-					</dependency>
-					<dependency>
-						<groupId>org.apache.maven.scm</groupId>
-						<artifactId>maven-scm-provider-svnexe</artifactId>
-						<version>1.8.1</version>
-					</dependency>
-				</dependencies>
-			</plugin>
-			<plugin>
-				<artifactId>maven-source-plugin</artifactId>
-				<inherited>true</inherited>
-				<executions>
-					<execution>
-						<id>attach-sources</id>
-						<phase>none</phase>
-					</execution>
-				</executions>
-			</plugin>
-			<plugin>
-				<groupId>org.codehaus.plexus</groupId>
-				<artifactId>plexus-maven-plugin</artifactId>
-				<extensions>true</extensions>
-			</plugin>
-			<plugin>
-				<artifactId>maven-enforcer-plugin</artifactId>
-				<configuration>
-					<rules>
-						<DependencyConvergence />
-						<requireMavenVersion>
-							<version>3.0.4</version>
-						</requireMavenVersion>
-						<requirePluginVersions>
-							<message>Best Practice is to always define plugin versions!</message>
-							<banLatest>true</banLatest>
-							<banRelease>true</banRelease>
-							<banSnapshots>false</banSnapshots>
-						</requirePluginVersions>
-					</rules>
-				</configuration>
-				<executions>
-					<execution>
-						<goals>
-							<goal>enforce</goal>
-						</goals>
-					</execution>
-				</executions>
-			</plugin>
-
-		</plugins>
-		<pluginManagement>
-			<plugins>
-				<plugin>
-					<groupId>org.apache.maven.plugins</groupId>
-					<artifactId>maven-compiler-plugin</artifactId>
-					<version>2.3.2</version>
-				</plugin>
-				<plugin>
-					<groupId>org.apache.maven.plugins</groupId>
-					<artifactId>maven-dependency-plugin</artifactId>
-					<version>2.2</version>
-				</plugin>
-				<plugin>
-					<groupId>org.apache.maven.plugins</groupId>
-					<artifactId>maven-jar-plugin</artifactId>
-					<version>2.3.1</version>
-				</plugin>
-				<plugin>
-					<groupId>org.apache.maven.plugins</groupId>
-					<artifactId>maven-assembly-plugin</artifactId>
-					<version>2.2.1</version>
-				</plugin>
-				<plugin>
-					<groupId>org.apache.maven.plugins</groupId>
-					<artifactId>maven-release-plugin</artifactId>
-					<version>2.2.1</version>
-				</plugin>
-				<plugin>
-					<groupId>org.apache.maven.plugins</groupId>
-					<artifactId>maven-deploy-plugin</artifactId>
-					<version>2.6</version>
-				</plugin>
-				<plugin>
-					<groupId>org.apache.maven.plugins</groupId>
-					<artifactId>maven-source-plugin</artifactId>
-					<version>2.1.2</version>
-				</plugin>
-				<plugin>
-					<groupId>org.apache.maven.plugins</groupId>
-					<artifactId>maven-enforcer-plugin</artifactId>
-					<version>1.0.1</version>
-				</plugin>
-				<plugin>
-					<groupId>org.codehaus.plexus</groupId>
-					<artifactId>plexus-maven-plugin</artifactId>
-					<version>1.3.8</version>
-				</plugin>
-			</plugins>
-		</pluginManagement>
-	</build>
-
-	<distributionManagement>
-		<repository>
-			<id>remote-repository</id>
-			<name>Subversion Repository</name>
-			<url>scm:svn:http://svn-code.devexperts.com/coderw/aprof/releases</url>
-		</repository>
-	</distributionManagement>
-</project>
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Aprof - Java Memory Allocation Profiler
+  ~ Copyright (C) 2002-2014  Devexperts LLC
+  ~
+  ~ 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 />.
+  --><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<groupId>com.devexperts.aprof</groupId>
+	<artifactId>aprof</artifactId>
+	<version>27-SNAPSHOT</version>
+	<packaging>pom</packaging>
+
+	<name>Aprof</name>
+	<url>http://code.devexperts.com/display/Aprof</url>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+	</properties>
+
+	<scm>
+		<connection>scm:svn:http://svn-code.devexperts.com/code/aprof/trunk</connection>
+		<developerConnection>scm:svn:http://svn-code.devexperts.com/coderw/aprof/trunk</developerConnection>
+	</scm>
+
+	<modules>
+		<module>transformer</module>
+		<module>core</module>
+		<module>agent</module>
+		<module>benchmark</module>
+	</modules>
+
+	<dependencies>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>3.8.1</version>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<configuration>
+					<source>1.5</source>
+					<target>1.5</target>
+				</configuration>
+			</plugin>
+			<plugin>
+				<artifactId>maven-release-plugin</artifactId>
+				<configuration>
+					<autoVersionSubmodules>true</autoVersionSubmodules>
+					<tagBase>http://svn-code.devexperts.com/coderw/aprof/tags</tagBase>
+				</configuration>
+			</plugin>
+			<plugin>
+				<artifactId>maven-deploy-plugin</artifactId>
+				<inherited>true</inherited>
+				<configuration>
+					<skip>true</skip>
+				</configuration>
+				<!-- deploy to SVN does via wagon not work without explicitly declared dependencies -->
+				<dependencies>
+					<dependency>
+						<groupId>org.apache.maven.wagon</groupId>
+						<artifactId>wagon-scm</artifactId>
+						<version>2.2</version>
+					</dependency>
+					<dependency>
+						<groupId>org.apache.maven.scm</groupId>
+						<artifactId>maven-scm-manager-plexus</artifactId>
+						<version>1.8.1</version>
+					</dependency>
+					<dependency>
+						<groupId>org.apache.maven.scm</groupId>
+						<artifactId>maven-scm-api</artifactId>
+						<version>1.8.1</version>
+					</dependency>
+					<dependency>
+						<groupId>org.apache.maven.scm</groupId>
+						<artifactId>maven-scm-provider-svnexe</artifactId>
+						<version>1.8.1</version>
+					</dependency>
+				</dependencies>
+			</plugin>
+			<plugin>
+				<artifactId>maven-source-plugin</artifactId>
+				<inherited>true</inherited>
+				<executions>
+					<execution>
+						<id>attach-sources</id>
+						<phase>none</phase>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<groupId>org.codehaus.plexus</groupId>
+				<artifactId>plexus-maven-plugin</artifactId>
+				<extensions>true</extensions>
+			</plugin>
+			<plugin>
+				<artifactId>maven-enforcer-plugin</artifactId>
+				<configuration>
+					<rules>
+						<DependencyConvergence/>
+						<requireMavenVersion>
+							<version>3.0.4</version>
+						</requireMavenVersion>
+						<requirePluginVersions>
+							<message>Best Practice is to always define plugin versions!</message>
+							<banLatest>true</banLatest>
+							<banRelease>true</banRelease>
+							<banSnapshots>false</banSnapshots>
+						</requirePluginVersions>
+					</rules>
+				</configuration>
+				<executions>
+					<execution>
+						<goals>
+							<goal>enforce</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+
+		</plugins>
+		<pluginManagement>
+			<plugins>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-compiler-plugin</artifactId>
+					<version>2.3.2</version>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-dependency-plugin</artifactId>
+					<version>2.2</version>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-jar-plugin</artifactId>
+					<version>2.3.1</version>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-assembly-plugin</artifactId>
+					<version>2.2.1</version>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-release-plugin</artifactId>
+					<version>2.2.1</version>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-deploy-plugin</artifactId>
+					<version>2.6</version>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-source-plugin</artifactId>
+					<version>2.1.2</version>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-enforcer-plugin</artifactId>
+					<version>1.0.1</version>
+				</plugin>
+				<plugin>
+					<groupId>org.codehaus.plexus</groupId>
+					<artifactId>plexus-maven-plugin</artifactId>
+					<version>1.3.8</version>
+				</plugin>
+			</plugins>
+		</pluginManagement>
+	</build>
+
+	<distributionManagement>
+		<repository>
+			<id>remote-repository</id>
+			<name>Subversion Repository</name>
+			<url>scm:svn:http://svn-code.devexperts.com/coderw/aprof/releases</url>
+		</repository>
+	</distributionManagement>
+</project>
\ No newline at end of file