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
61 lines
2.3 KiB
Java
61 lines
2.3 KiB
Java
/*
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* Copyright (c) 2015, 2017, 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
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* @summary Test checks output displayed with jstat -gccause.
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* Test scenario:
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* test forces debuggee application call System.gc(), runs jstat and checks that
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* cause of last garbage collection displayed by jstat (LGCC) is 'System.gc()'.
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* @requires vm.gc != "Z"
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* @modules java.base/jdk.internal.misc
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* @library /test/lib
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* @library ../share
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* @run main/othervm -XX:+UsePerfData -Xmx128M -XX:MaxMetaspaceSize=128M GcCauseTest03
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*/
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import utils.*;
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public class GcCauseTest03 {
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private final static float targetMemoryUsagePercent = 0.7f;
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public static void main(String[] args) throws Exception {
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// We will be running "jstat -gc" tool
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JstatGcCauseTool jstatGcTool = new JstatGcCauseTool(ProcessHandle.current().pid());
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System.gc();
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// Run once and get the results asserting that they are reasonable
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JstatGcCauseResults measurement = jstatGcTool.measure();
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measurement.assertConsistency();
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if (measurement.valueExists("LGCC")) {
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if (!"System.gc()".equals(measurement.getStringValue("LGCC"))) {
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throw new RuntimeException("Unexpected GC cause: " + measurement.getStringValue("LGCC") + ", expected System.gc()");
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}
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}
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}
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}
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