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
67 lines
2.5 KiB
Java
67 lines
2.5 KiB
Java
/*
|
|
* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
import utils.*;
|
|
|
|
/*
|
|
* @test
|
|
* @summary Test checks the consistency of the output
|
|
* displayed with jstat -gccapacity.
|
|
* @requires vm.gc != "Z"
|
|
* @modules java.base/jdk.internal.misc
|
|
* @library /test/lib
|
|
* @library ../share
|
|
* @requires vm.opt.ExplicitGCInvokesConcurrent != true
|
|
* @run main/othervm -XX:+UsePerfData -Xmx128M GcCapacityTest
|
|
*/
|
|
public class GcCapacityTest {
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
|
|
// We will be running "jstat -gc" tool
|
|
JstatGcCapacityTool jstatGcTool = new JstatGcCapacityTool(ProcessHandle.current().pid());
|
|
|
|
// Run once and get the results asserting that they are reasonable
|
|
JstatGcCapacityResults measurement1 = jstatGcTool.measure();
|
|
measurement1.assertConsistency();
|
|
|
|
// Provoke a gc and verify the changed values
|
|
GcProvoker gcProvoker = new GcProvoker();
|
|
gcProvoker.provokeGc();
|
|
JstatGcCapacityResults measurement2 = jstatGcTool.measure();
|
|
measurement2.assertConsistency();
|
|
|
|
// Assert that the GC events count has increased
|
|
JstatResults.assertGCEventsIncreased(measurement1, measurement2);
|
|
|
|
// Provoke a gc again and verify the changed values
|
|
gcProvoker.provokeGc();
|
|
JstatGcCapacityResults measurement3 = jstatGcTool.measure();
|
|
measurement3.assertConsistency();
|
|
|
|
// Assert that the GC events count has increased
|
|
JstatResults.assertGCEventsIncreased(measurement1, measurement2);
|
|
}
|
|
|
|
}
|