Jaromir Hamala jerrinot

perf c2c false-sharing tutorial: companion files

Companion files for the QuestDB blog post Finding Java False Sharing with perf c2c.

file	purpose
`setup.sql`	creates `markout_trades` / `markout_quotes`, 2M rows each
`query.sql`	the HORIZON JOIN markout query under test
`server.conf.fragment`	worker pinning and page-frame cap for the benchmark server

	package info.jerrinot;

	import static org.awaitility.Awaitility.await;
	import static org.junit.Assert.assertFalse;

	import com.hazelcast.core.Hazelcast;
	import com.hazelcast.core.HazelcastInstance;
	import com.hazelcast.map.IMap;
	import org.junit.Test;

	package lambdaserialization;

	import org.junit.Test;

	import java.io.IOException;
	import java.io.Serializable;
	import java.util.function.Supplier;

	public class LambdaSerializationBugTest {

	package lambdaserialization;

	import org.junit.Test;

	import java.io.Serializable;
	import java.lang.invoke.SerializedLambda;
	import java.lang.reflect.InvocationTargetException;
	import java.lang.reflect.Method;
	import java.util.function.Function;

	package uk.co.rockstable.experiments.asm;

	import org.objectweb.asm.ClassWriter;
	import org.objectweb.asm.MethodVisitor;
	import uk.co.rockstable.experiments.asm.utils.UnsafeUtils;

	import static org.objectweb.asm.Opcodes.*;


	public class FooBarFactory {

	package org.openjdk.jmh.samples;

	import org.openjdk.jmh.annotations.Benchmark;
	import org.openjdk.jmh.annotations.Scope;
	import org.openjdk.jmh.annotations.Setup;
	import org.openjdk.jmh.annotations.State;
	import org.openjdk.jmh.runner.Runner;
	import org.openjdk.jmh.runner.options.Options;
	import org.openjdk.jmh.runner.options.OptionsBuilder;

	@Deprecated
	public class HelloWorld implements Serializable {

	@GenerateMicroBenchmark
	public boolean instanceOfTest() {
	return this instanceof Serializable;
	}

	@GenerateMicroBenchmark
	public boolean annotationTest() {

	if ((route) && ((route = strchr(*route, '.')) != NULL ))
	(*route)++;
	if ((route) && (*route)) {
	ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
	"proxy: BALANCER: Found route %s", *route);
	/* We have a route in path or in cookie
	* Find the worker that has this route defined.
	*/
	worker = find_route_worker(balancer, *route, r);
	if (worker && strcmp(*route, worker->s->route)) {