| /** |
| * 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.hadoop.yarn.server.nodemanager.containermanager.monitor; |
| |
| import org.apache.hadoop.yarn.util.ResourceCalculatorProcessTree; |
| |
| /** |
| * Mock class to obtain resource usage (CPU). |
| */ |
| public class MockCPUResourceCalculatorProcessTree |
| extends ResourceCalculatorProcessTree { |
| |
| private long cpuPercentage = ResourceCalculatorProcessTree.UNAVAILABLE; |
| |
| /** |
| * Constructor for MockCPUResourceCalculatorProcessTree with specified root |
| * process. |
| * @param root |
| */ |
| public MockCPUResourceCalculatorProcessTree(String root) { |
| super(root); |
| } |
| |
| @Override |
| public void updateProcessTree() { |
| } |
| |
| @Override |
| public String getProcessTreeDump() { |
| return ""; |
| } |
| |
| @Override |
| public long getCumulativeCpuTime() { |
| return 0; |
| } |
| |
| @Override |
| public boolean checkPidPgrpidForMatch() { |
| return true; |
| } |
| |
| @Override |
| public long getVirtualMemorySize(int olderThanAge) { |
| return 0; |
| } |
| |
| @Override |
| public long getRssMemorySize(int olderThanAge) { |
| return 0; |
| } |
| |
| @Override |
| public float getCpuUsagePercent() { |
| long cpu = this.cpuPercentage; |
| // First getter call will be returned with -1, and other calls will |
| // return non-zero value as defined below. |
| if (cpu == ResourceCalculatorProcessTree.UNAVAILABLE) { |
| // Set a default value other than 0 for test. |
| this.cpuPercentage = 50; |
| } |
| return cpu; |
| } |
| } |