1 /* 2 * Copyright (c) 2019, Red Hat Inc. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.test.lib.containers.cgroup; 27 28 import java.util.Objects; 29 30 import jdk.internal.platform.Metrics; 31 32 /** 33 * Cgroup version agnostic metrics tester 34 * 35 */ 36 public class MetricsTester { 37 38 private static final String CGROUP_V1 = "cgroupv1"; 39 private static final String CGROUP_V2 = "cgroupv2"; 40 41 private static CgroupMetricsTester createInstance(Metrics m) { 42 Objects.requireNonNull(m); 43 if (CGROUP_V1.equals(m.getProvider())) { 44 MetricsTesterCgroupV1 t = new MetricsTesterCgroupV1(); 45 t.setup(); 46 return t; 47 } else if (CGROUP_V2.equals(m.getProvider())) { 48 return new MetricsTesterCgroupV2(); 49 } else { 50 System.err.println("WARNING: Metrics provider, '" + m.getProvider() 51 + "' is unknown!"); 52 return null; 53 } 54 } 55 56 public void testAll(Metrics m) throws Exception { 57 CgroupMetricsTester tester = createInstance(m); 58 tester.testCpuAccounting(); 59 tester.testCpuConsumption(); 60 tester.testCpuSchedulingMetrics(); 61 tester.testCpuSets(); 62 tester.testMemorySubsystem(); 63 tester.testMemoryUsage(); 64 tester.testMisc(); 65 } 66 67 public static void main(String[] args) throws Exception { 68 Metrics m = Metrics.systemMetrics(); 69 // If cgroups is not configured, report success 70 if (m == null) { 71 System.out.println("TEST PASSED!!!"); 72 return; 73 } 74 75 MetricsTester metricsTester = new MetricsTester(); 76 metricsTester.testAll(m); 77 System.out.println("TEST PASSED!!!"); 78 } 79 }