|
| 1 | +/* |
| 2 | + * Copyright (c) 2020, 2021, 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 | +packagejdk.jfr.event.oldobject; |
| 25 | + |
| 26 | +importjava.util.ArrayList; |
| 27 | +importjava.util.List; |
| 28 | + |
| 29 | +importjdk.jfr.Recording; |
| 30 | +importjdk.jfr.consumer.RecordedEvent; |
| 31 | +importjdk.jfr.internal.test.WhiteBox; |
| 32 | +importjdk.test.lib.jfr.EventNames; |
| 33 | +importjdk.test.lib.jfr.Events; |
| 34 | + |
| 35 | +/** |
| 36 | + * @test |
| 37 | + * @key jfr |
| 38 | + * @requires vm.hasJFR & vm.gc.Shenandoah |
| 39 | + * @summary Test leak profiler with Shenandoah |
| 40 | + * @library /test/lib /test/jdk |
| 41 | + * @modules jdk.jfr/jdk.jfr.internal.test |
| 42 | + * @run main/othervm -XX:TLABSize=2k -XX:+UseShenandoahGC jdk.jfr.event.oldobject.TestShenandoah |
| 43 | + */ |
| 44 | +publicclassTestShenandoah { |
| 45 | + |
| 46 | +staticprivateclassFindMe { |
| 47 | + } |
| 48 | + |
| 49 | +publicstaticList<FindMe[]>list =newArrayList<>(OldObjects.MIN_SIZE); |
| 50 | + |
| 51 | +publicstaticvoidmain(String[]args)throwsException { |
| 52 | +WhiteBox.setWriteAllObjectSamples(true); |
| 53 | + |
| 54 | +while (true) { |
| 55 | +try (Recordingr =newRecording()) { |
| 56 | +r.enable(EventNames.OldObjectSample).withStackTrace().with("cutoff","infinity"); |
| 57 | +r.start(); |
| 58 | +allocateFindMe(); |
| 59 | +System.gc(); |
| 60 | +r.stop(); |
| 61 | +List<RecordedEvent>events =Events.fromRecording(r); |
| 62 | +System.out.println(events); |
| 63 | +if (OldObjects.countMatchingEvents(events,FindMe[].class,null,null, -1,"allocateFindMe") >0) { |
| 64 | +return; |
| 65 | + } |
| 66 | +System.out.println("Could not find leaking object, retrying..."); |
| 67 | + } |
| 68 | +list.clear(); |
| 69 | + } |
| 70 | + } |
| 71 | + |
| 72 | +publicstaticvoidallocateFindMe() { |
| 73 | +for (inti =0;i <OldObjects.MIN_SIZE;i++) { |
| 74 | +// Allocate array to trigger sampling code path for interpreter / c1 |
| 75 | +list.add(newFindMe[0]); |
| 76 | + } |
| 77 | + } |
| 78 | + |
| 79 | +} |