28ae281b42
Co-authored-by: Kelvin Nilsen <kdnilsen@openjdk.org> Co-authored-by: Y. Srinivas Ramakrishna <ysr@openjdk.org> Co-authored-by: Bernd Mathiske <bmathiske@openjdk.org> Co-authored-by: Martin Doerr <mdoerr@openjdk.org> Co-authored-by: Fei Yang <fyang@openjdk.org> Reviewed-by: rkennke, shade, phh
69 lines
2.6 KiB
Java
69 lines
2.6 KiB
Java
/*
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* Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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 id=default-rotation
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* @requires vm.gc.Shenandoah
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*
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* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
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* -XX:+ShenandoahRegionSampling -XX:+ShenandoahRegionSampling
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* -Xlog:gc+region=trace:region-snapshots-%p.log::filesize=100,filecount=3
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* -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
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* TestRegionSamplingLogging
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*/
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/*
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* @test id=generational-rotation
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* @requires vm.gc.Shenandoah
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*
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* @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
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* -XX:+ShenandoahRegionSampling -XX:+ShenandoahRegionSampling
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* -Xlog:gc+region=trace:region-snapshots-%p.log::filesize=100,filecount=3
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* -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive -XX:ShenandoahGCMode=generational
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* TestRegionSamplingLogging
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*/
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import java.io.File;
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import java.util.Arrays;
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public class TestRegionSamplingLogging {
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static final long TARGET_MB = Long.getLong("target", 2_000); // 2 Gb allocation
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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++) {
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sink = new Object();
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}
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File directory = new File(".");
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File[] files = directory.listFiles((dir, name) -> name.startsWith("region-snapshots") && name.endsWith(".log"));
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System.out.println(Arrays.toString(files));
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if (files == null || files.length == 0) {
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throw new IllegalStateException("Did not find expected snapshot log file.");
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}
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}
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}
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