test/hotspot/jtreg/runtime/appcds/LotsOfClasses.java
author ccheung
Fri, 17 May 2019 08:29:55 -0700
changeset 54927 1512d88b24c6
parent 52811 ff04b71bf6f1
permissions -rw-r--r--
8207812: Implement Dynamic CDS Archive Summary: Improve the usability of AppCDS Reviewed-by: acorn, jiangli, mseledtsov Contributed-by: ioi.lam@oracle.com, jianglizhou@google.com, calvin.cheung@oracle.com

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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.
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import java.util.ArrayList;

import jdk.test.lib.cds.CDSTestUtils;
import jdk.test.lib.cds.CDSOptions;
import jdk.test.lib.process.OutputAnalyzer;

/*
 * @test
 * @summary Try to archive lots of classes by searching for classes from the jrt:/ file system. With JDK 12
 *          this will produce an archive with over 30,000 classes.
 * @requires vm.cds
 * @library /test/lib /test/hotspot/jtreg/runtime/appcds
 * @run driver/timeout=500 LotsOfClasses
 */

public class LotsOfClasses {

    public static void main(String[] args) throws Throwable {
        ArrayList<String> list = new ArrayList<>();
        TestCommon.findAllClasses(list);

        CDSOptions opts = new CDSOptions();
        opts.setClassList(list);
        opts.addSuffix("--add-modules");
        opts.addSuffix("ALL-SYSTEM");
        opts.addSuffix("-Xlog:hashtables");
        opts.addSuffix("-Xmx500m");
        opts.addSuffix("-Xlog:gc+region+cds");
        opts.addSuffix("-Xlog:gc+region=trace");

        OutputAnalyzer out = CDSTestUtils.createArchive(opts);
        CDSTestUtils.checkDump(out);
    }
}