| /* |
| * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| /* |
| * @test TestRetainObjects |
| * @summary Acceptance tests: collector can deal with retained objects |
| * @key gc |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive |
| * -XX:+ShenandoahDegeneratedGC -XX:+ShenandoahVerify |
| * TestRetainObjects |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive |
| * -XX:-ShenandoahDegeneratedGC -XX:+ShenandoahVerify |
| * TestRetainObjects |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive |
| * -XX:+ShenandoahDegeneratedGC |
| * TestRetainObjects |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive |
| * -XX:-ShenandoahDegeneratedGC |
| * TestRetainObjects |
| */ |
| |
| /* |
| * @test TestRetainObjects |
| * @summary Acceptance tests: collector can deal with retained objects |
| * @key gc |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
| * -XX:+ShenandoahOOMDuringEvacALot |
| * TestRetainObjects |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
| * -XX:+ShenandoahAllocFailureALot |
| * TestRetainObjects |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive |
| * TestRetainObjects |
| */ |
| |
| /* |
| * @test TestRetainObjects |
| * @summary Acceptance tests: collector can deal with retained objects |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive |
| * -XX:+ShenandoahVerify |
| * TestRetainObjects |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive |
| * TestRetainObjects |
| */ |
| |
| /* |
| * @test TestRetainObjects |
| * @summary Acceptance tests: collector can deal with retained objects |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static |
| * TestRetainObjects |
| */ |
| |
| /* |
| * @test TestRetainObjects |
| * @summary Acceptance tests: collector can deal with retained objects |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact |
| * TestRetainObjects |
| */ |
| |
| /* |
| * @test TestRetainObjects |
| * @summary Acceptance tests: collector can deal with retained objects |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC |
| * -XX:-UseTLAB -XX:+ShenandoahVerify |
| * TestRetainObjects |
| */ |
| |
| /* |
| * @test TestRetainObjects |
| * @summary Acceptance tests: collector can deal with retained objects |
| * @key gc |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive |
| * -XX:+ShenandoahOOMDuringEvacALot |
| * TestRetainObjects |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive |
| * -XX:+ShenandoahAllocFailureALot |
| * TestRetainObjects |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive |
| * TestRetainObjects |
| */ |
| |
| /* |
| * @test TestRetainObjects |
| * @summary Acceptance tests: collector can deal with retained objects |
| * @requires vm.gc.Shenandoah & !vm.graal.enabled |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu |
| * -XX:+ShenandoahVerify |
| * TestRetainObjects |
| * |
| * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions |
| * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu |
| * TestRetainObjects |
| */ |
| |
| public class TestRetainObjects { |
| |
| static final int COUNT = 10_000_000; |
| static final int WINDOW = 10_000; |
| |
| static final String[] reachable = new String[WINDOW]; |
| |
| public static void main(String[] args) throws Exception { |
| int rIdx = 0; |
| for (int c = 0; c < COUNT; c++) { |
| reachable[rIdx] = ("LargeString" + c); |
| rIdx++; |
| if (rIdx >= WINDOW) { |
| rIdx = 0; |
| } |
| } |
| } |
| |
| } |