| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| MemoryUtils |
|
| 1.0;1 |
| 1 | /* | |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one | |
| 3 | * or more contributor license agreements. See the NOTICE file | |
| 4 | * distributed with this work for additional information | |
| 5 | * regarding copyright ownership. The ASF licenses this file | |
| 6 | * to you under the Apache License, Version 2.0 (the | |
| 7 | * "License"); you may not use this file except in compliance | |
| 8 | * with the License. You may obtain a copy of the License at | |
| 9 | * | |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 11 | * | |
| 12 | * Unless required by applicable law or agreed to in writing, software | |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 15 | * See the License for the specific language governing permissions and | |
| 16 | * limitations under the License. | |
| 17 | */ | |
| 18 | ||
| 19 | package org.apache.giraph.utils; | |
| 20 | ||
| 21 | /** | |
| 22 | * Helper static methods for tracking memory usage. | |
| 23 | */ | |
| 24 | public class MemoryUtils { | |
| 25 | /** Do not instantiate. */ | |
| 26 | 0 | private MemoryUtils() { } |
| 27 | ||
| 28 | /** | |
| 29 | * Get stringified runtime memory stats | |
| 30 | * | |
| 31 | * @return String of all Runtime stats. | |
| 32 | */ | |
| 33 | public static String getRuntimeMemoryStats() { | |
| 34 | 1419 | return "totalMem = " + |
| 35 | (Runtime.getRuntime().totalMemory() / 1024f / 1024f) + | |
| 36 | "M, maxMem = " + | |
| 37 | (Runtime.getRuntime().maxMemory() / 1024f / 1024f) + | |
| 38 | "M, freeMem = " + | |
| 39 | (Runtime.getRuntime().freeMemory() / 1024f / 1024f) + "M"; | |
| 40 | } | |
| 41 | } |