| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.karaf.audit; |
| |
| import org.apache.karaf.audit.layout.Rfc3164Layout; |
| import org.apache.karaf.audit.layout.Rfc5424Layout; |
| import org.apache.karaf.audit.util.Buffer; |
| import org.junit.Ignore; |
| import org.junit.Test; |
| |
| import javax.management.ObjectName; |
| import java.io.BufferedWriter; |
| import java.io.ByteArrayOutputStream; |
| import java.io.OutputStreamWriter; |
| import java.io.Writer; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Formatter; |
| import java.util.HashMap; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.TimeZone; |
| import java.util.concurrent.Callable; |
| |
| @Ignore |
| public class TestPerf { |
| |
| private static final String INVOKE = "invoke"; |
| private static final String[] INVOKE_SIG = new String[] {ObjectName.class.getName(), String.class.getName(), Object[].class.getName(), String[].class.getName()}; |
| |
| |
| @Test |
| public void testFormatString() throws Exception { |
| int iterations = 10000000; |
| |
| for (int i = 0; i < 10; i++) { |
| final Buffer buffer0 = new Buffer(Buffer.Format.Json); |
| long t0 = measure(() -> { |
| buffer0.clear(); |
| buffer0.format("This is \"\n\tquite\n\tq\n\ta\n\tlong\n\tquote.\"\nIndeed !\n"); |
| return null; |
| }, iterations); |
| System.out.println("json = " + t0); |
| |
| final Buffer buffer1 = new Buffer(Buffer.Format.Syslog); |
| long t1 = measure(() -> { |
| buffer1.clear(); |
| buffer1.format("This is \"\n\tquite\n\tq\n\ta\n\tlong\n\tquote.\"\nIndeed !\n"); |
| return null; |
| }, iterations); |
| System.out.println("syslog = " + t1); |
| } |
| } |
| |
| @Test |
| public void testGelfTimestamp() throws Exception { |
| long timestamp = System.currentTimeMillis(); |
| |
| int iterations = 1000000; |
| |
| for (int p = 0; p < 10; p++) { |
| Buffer buffer = new Buffer(Buffer.Format.Json); |
| long t0 = measure(() -> { |
| buffer.clear(); |
| long secs = timestamp / 1000; |
| int ms = (int) (timestamp - secs * 1000); |
| buffer.format(secs); |
| buffer.append('.'); |
| int temp = ms / 100; |
| buffer.append((char) (temp + '0')); |
| ms -= 100 * temp; |
| temp = ms / 10; |
| buffer.append((char) (temp + '0')); |
| ms -= 10 * temp; |
| buffer.append((char) (ms + '0')); |
| return null; |
| }, iterations); |
| System.out.println("t0 = " + t0); |
| long t1 = measure(() -> { |
| buffer.clear(); |
| long secs = timestamp / 1000; |
| int ms = (int) (timestamp - secs * 1000); |
| buffer.format(Long.toString(secs)); |
| buffer.append('.'); |
| int temp = ms / 100; |
| buffer.append((char) (temp + '0')); |
| ms -= 100 * temp; |
| temp = ms / 10; |
| buffer.append((char) (temp + '0')); |
| ms -= 10 * temp; |
| buffer.append((char) (ms + '0')); |
| return null; |
| }, iterations); |
| System.out.println("t1 = " + t1); |
| long t2 = measure(() -> { |
| buffer.clear(); |
| new Formatter(buffer).format("%.3f", ((double) timestamp) / 1000.0); |
| return null; |
| }, iterations); |
| System.out.println("t2 = " + t2); |
| } |
| } |
| |
| @Test |
| public void testSerialize() throws Exception { |
| Map<String, Object> map = new HashMap<>(); |
| map.put("type", Event.TYPE_JMX); |
| map.put("subtype", INVOKE); |
| map.put("method", INVOKE); |
| map.put("signature", INVOKE_SIG); |
| map.put("params", new Object[] { new ObjectName("org.apache.karaf.Mbean:type=foo"), "myMethod", new Object[] { String.class.getName() }, new String[] { "the-param "}}); |
| Event event = new MapEvent(map); |
| |
| EventLayout layout = new Rfc3164Layout(16, 5, Rfc5424Layout.DEFAULT_ENTERPRISE_NUMBER, TimeZone.getTimeZone("CET"), Locale.ENGLISH); |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| Writer writer = new BufferedWriter(new OutputStreamWriter(baos, StandardCharsets.UTF_8)); |
| |
| long dt0 = measure(() -> { baos.reset(); layout.format(event, writer); writer.flush(); return null; }, 10000000); |
| System.out.println(dt0); |
| |
| long dt1 = measure(() -> { baos.reset(); layout.format(event, writer); writer.flush(); return null; }, 10000000); |
| System.out.println(dt1); |
| } |
| |
| private <T> long measure(Callable<T> runnable, int runs) throws Exception { |
| System.gc(); |
| for (int i = 0; i < runs / 100; i++) { |
| runnable.call(); |
| } |
| System.gc(); |
| long t0 = System.currentTimeMillis(); |
| for (int i = 0; i < runs; i++) { |
| runnable.call(); |
| } |
| long t1 = System.currentTimeMillis(); |
| return t1 - t0; |
| } |
| |
| } |