e7af7a4aef
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com> Co-authored-by: Erik Osterlund <erik.osterlund@oracle.com> Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com> Co-authored-by: Kim Barrett <kim.barrett@oracle.com> Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com> Co-authored-by: Rickard Backman <rickard.backman@oracle.com> Co-authored-by: Roland Westrelin <rwestrel@redhat.com> Co-authored-by: Coleen Phillimore <coleen.phillimore@oracle.com> Co-authored-by: Robbin Ehn <robbin.ehn@oracle.com> Co-authored-by: Gerard Ziemski <gerard.ziemski@oracle.com> Co-authored-by: Hugh Wilkinson <hugh.wilkinson@intel.com> Co-authored-by: Sandhya Viswanathan <sandhya.viswanathan@intel.com> Co-authored-by: Bill Wheeler <bill.npo.wheeler@intel.com> Co-authored-by: Vinay K. Awasthi <vinay.k.awasthi@intel.com> Co-authored-by: Yasumasa Suenaga <yasuenag@gmail.com> Reviewed-by: pliden, stefank, eosterlund, ehelin, sjohanss, rbackman, coleenp, ihse, jgeorge, lmesnik, rkennke
75 lines
2.7 KiB
Java
75 lines
2.7 KiB
Java
/*
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* Copyright (c) 2014, 2016, Oracle and/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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* @test TestWBGC
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* @bug 8055098
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* @summary Test verify that WB methods isObjectInOldGen and youngGC works correctly.
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* @requires vm.gc != "Z"
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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* @build sun.hotspot.WhiteBox
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* @run driver ClassFileInstaller sun.hotspot.WhiteBox
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* @run driver TestWBGC
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*/
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import jdk.test.lib.Asserts;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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import sun.hotspot.WhiteBox;
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public class TestWBGC {
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public static void main(String args[]) throws Exception {
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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true,
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"-Xbootclasspath/a:.",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+WhiteBoxAPI",
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"-XX:MaxTenuringThreshold=1",
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"-Xlog:gc",
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GCYoungTest.class.getName());
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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System.out.println(output.getStdout());
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output.shouldHaveExitValue(0);
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output.shouldContain("WhiteBox Initiated Young GC");
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output.shouldNotContain("Full");
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// To be sure that we don't provoke Full GC additionaly to young
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}
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public static class GCYoungTest {
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static WhiteBox wb = WhiteBox.getWhiteBox();
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public static Object obj;
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public static void main(String args[]) {
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obj = new Object();
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Asserts.assertFalse(wb.isObjectInOldGen(obj));
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wb.youngGC();
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wb.youngGC();
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// 2 young GC is needed to promote object into OldGen
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Asserts.assertTrue(wb.isObjectInOldGen(obj));
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}
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}
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}
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