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JFRDynamicCDS.java
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JFRDynamicCDS.java
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/*
* Copyright (c) 2021, 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.
*
*/
/*
* @test
* @bug 8268470
* @summary Test dynamic CDS with JFR recording.
* Dynamic dump should skip the class such as jdk/jfr/events/FileReadEvent
* if one of its super classes has been redefined during JFR startup.
* @requires vm.cds
* @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
* /test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive/test-classes
* @build JFRDynamicCDSApp sun.hotspot.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller -jar jfr_dynamic_cds_app.jar JFRDynamicCDSApp JFRDynamicCDSApp$StressEvent
* @run driver jdk.test.lib.helpers.ClassFileInstaller sun.hotspot.WhiteBox
* @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. JFRDynamicCDS
*/
import jdk.test.lib.helpers.ClassFileInstaller;
public class JFRDynamicCDS extends DynamicArchiveTestBase {
public static void main(String[] args) throws Exception {
runTest(JFRDynamicCDS::test);
}
static void test() throws Exception {
String topArchiveName = getNewArchiveName();
String appJar = ClassFileInstaller.getJarPath("jfr_dynamic_cds_app.jar");
String mainClass = "JFRDynamicCDSApp";
// 0 : without JFR recording
// 4 : with JFR recording
int[] modes = {0, 4};
for (int mode : modes) {
dump(topArchiveName,
"-Xlog:class+load,cds=debug",
"-cp", appJar, mainClass, String.valueOf(mode))
.assertNormalExit(output -> {
output.shouldHaveExitValue(0);
if (mode == 4) {
output.shouldMatch("Skipping.jdk/jfr/events.*Has.been.redefined");
}
});
run(topArchiveName,
"-Xlog:class+load=info",
"-cp", appJar, mainClass, String.valueOf(mode))
.assertNormalExit(output -> {
output.shouldHaveExitValue(0)
.shouldContain("[class,load] JFRDynamicCDSApp source: shared objects file (top)");
if (mode == 4) {
output.shouldMatch(".class.load. jdk.jfr.events.*source:.*jrt:/jdk.jfr");
}
});
}
}
}