1 /* 2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import utils.*; 25 /* 26 * @test 27 * @summary Test checks output displayed with jstat -gcnew. 28 * Test scenario: 29 * test several times provokes garbage collection in the debuggee application and after each garbage 30 * collection runs jstat. jstat should show that after garbage collection number of GC events and garbage 31 * collection time increase. 32 * @requires vm.gc != "Z" 33 * @modules java.base/jdk.internal.misc 34 * @library /test/lib 35 * @library ../share 36 * @run main/othervm -XX:+UsePerfData -Xmx128M GcNewTest 37 */ 38 39 public class GcNewTest { 40 41 public static void main(String[] args) throws Exception { 42 43 // We will be running "jstat -gc" tool 44 JstatGcNewTool jstatGcTool = new JstatGcNewTool(ProcessHandle.current().pid()); 45 46 // Run once and get the results asserting that they are reasonable 47 JstatGcNewResults measurement1 = jstatGcTool.measure(); 48 measurement1.assertConsistency(); 49 50 GcProvoker gcProvoker = new GcProvoker(); 51 52 // Provoke GC and run the tool again | 1 /* 2 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved. 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import utils.*; 25 /* 26 * @test 27 * @summary Test checks output displayed with jstat -gcnew. 28 * Test scenario: 29 * test several times provokes garbage collection in the debuggee application and after each garbage 30 * collection runs jstat. jstat should show that after garbage collection number of GC events and garbage 31 * collection time increase. 32 * @requires vm.gc != "Z" & vm.gc != "Shenandoah" 33 * @modules java.base/jdk.internal.misc 34 * @library /test/lib 35 * @library ../share 36 * @run main/othervm -XX:+UsePerfData -Xmx128M GcNewTest 37 */ 38 39 public class GcNewTest { 40 41 public static void main(String[] args) throws Exception { 42 43 // We will be running "jstat -gc" tool 44 JstatGcNewTool jstatGcTool = new JstatGcNewTool(ProcessHandle.current().pid()); 45 46 // Run once and get the results asserting that they are reasonable 47 JstatGcNewResults measurement1 = jstatGcTool.measure(); 48 measurement1.assertConsistency(); 49 50 GcProvoker gcProvoker = new GcProvoker(); 51 52 // Provoke GC and run the tool again |