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JMeter example source code file (

This example JMeter source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - JMeter tags/keywords

characters, cps=cps, cps=cps, cpspauser, cpspauser, illegalargumentexception, interruptedexception, interruptedexception, ms_per_sec, ns_per_ms, ns_per_ms, ns_per_sec, ns_per_sec/ms_per_sec, speed

The JMeter source code

 * 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.apache.jmeter.util;

 * Generate appropriate pauses for a given CPS (characters per second)
public class CPSPauser{
    private final int CPS; // Characters per second to emulate

    // Conversions for milli and nano seconds
    private static final int MS_PER_SEC = 1000;
    private static final int NS_PER_SEC = 1000000000;
    private static final int NS_PER_MS  = NS_PER_SEC/MS_PER_SEC;

     * Create a pauser with the appropriate speed settings.
     * @param cps CPS to emulate
    public CPSPauser(int cps){
        if (cps <=0) {
            throw new IllegalArgumentException("Speed (cps) <= 0");

     * Pause for an appropriate time according to the number of bytes being transferred.
     * @param bytes number of bytes being transferred
    public void pause(int bytes){
        long sleepMS = (bytes*MS_PER_SEC)/CPS;
        int  sleepNS = ((bytes*MS_PER_SEC)/CPS) % NS_PER_MS;
        try {
        } catch (InterruptedException ignored) {

Other JMeter examples (source code examples)

Here is a short list of links related to this JMeter source code file:

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