8b62a2ee9d
Co-authored-by: Christine Flood <chf@redhat.com> Co-authored-by: Aleksey Shipilev <shade@redhat.com> Co-authored-by: Roland Westrelin <rwestrel@redhat.com> Co-authored-by: Zhenygu Gu <zgu@redhat.com> Co-authored-by: Andrew Haley <aph@redhat.com> Co-authored-by: Andrew Dinn <adinn@redhat.com> Co-authored-by: Mario Torre <mtorre@redhat.com> Reviewed-by: kvn, roland, shade, coleenp, lmesnik, pliden, jgeorge, ihse, erikj
61 lines
3.5 KiB
Java
61 lines
3.5 KiB
Java
/*
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* Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/*
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* @test TestLotsOfCycles
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* @key gc
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* @requires vm.gc.Shenandoah
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*
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* @run main/othervm/timeout=480 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=passive -Dtarget=10000 -XX:+ShenandoahDegeneratedGC TestLotsOfCycles
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* @run main/othervm/timeout=480 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=passive -Dtarget=10000 -XX:-ShenandoahDegeneratedGC TestLotsOfCycles
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*
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* @run main/othervm/timeout=480 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=aggressive -Dtarget=1000 -XX:+ShenandoahOOMDuringEvacALot TestLotsOfCycles
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* @run main/othervm/timeout=480 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=aggressive -Dtarget=1000 -XX:+ShenandoahAllocFailureALot TestLotsOfCycles
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* @run main/othervm/timeout=480 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=aggressive -Dtarget=1000 TestLotsOfCycles
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*
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* @run main/othervm/timeout=480 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=adaptive -Dtarget=10000 TestLotsOfCycles
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* @run main/othervm/timeout=480 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=traversal -Dtarget=10000 TestLotsOfCycles
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*
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* @run main/othervm/timeout=480 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=static -Dtarget=10000 TestLotsOfCycles
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* @run main/othervm/timeout=480 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -Xmx16m -XX:ShenandoahGCHeuristics=compact -Dtarget=1000 TestLotsOfCycles
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*/
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public class TestLotsOfCycles {
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static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation, around 1K cycles to handle
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static final long STRIDE = 100_000;
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static volatile Object sink;
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public static void main(String[] args) throws Exception {
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long count = TARGET_MB * 1024 * 1024 / 16;
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for (long c = 0; c < count; c += STRIDE) {
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for (long s = 0; s < STRIDE; s++) {
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sink = new Object();
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}
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Thread.sleep(1);
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}
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}
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}
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