8232365: Implementation for JEP 363: Remove the Concurrent Mark Sweep (CMS) Garbage Collector
Reviewed-by: kbarrett, tschatzl, erikj, coleenp, dholmes
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* 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
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*/
package gc.arguments;
/*
* @test TestUseCompressedOopsErgoSerial
* @key gc
* @bug 8010722
* @summary Tests ergonomics for UseCompressedOops.
* @requires vm.gc.Serial
* @library /test/lib
* @library /
* @modules java.base/jdk.internal.misc
* java.management/sun.management
* @build sun.hotspot.WhiteBox
* @run driver ClassFileInstaller sun.hotspot.WhiteBox
* sun.hotspot.WhiteBox$WhiteBoxPermission
* @run main/othervm gc.arguments.TestUseCompressedOopsErgo -XX:+UseSerialGC
*/
/*
* @test TestUseCompressedOopsErgoParallel
* @key gc
* @bug 8010722
* @summary Tests ergonomics for UseCompressedOops.
* @requires vm.gc.Parallel
* @library /test/lib
* @library /
* @modules java.base/jdk.internal.misc
* java.management/sun.management
* @build sun.hotspot.WhiteBox
* @run driver ClassFileInstaller sun.hotspot.WhiteBox
* sun.hotspot.WhiteBox$WhiteBoxPermission
* @run main/othervm gc.arguments.TestUseCompressedOopsErgo -XX:+UseParallelGC
* @run main/othervm gc.arguments.TestUseCompressedOopsErgo -XX:+UseParallelGC -XX:-UseParallelOldGC
*/
/*
* @test TestUseCompressedOopsErgoG1
* @key gc
* @bug 8010722
* @summary Tests ergonomics for UseCompressedOops.
* @requires vm.gc.G1
* @library /test/lib
* @library /
* @modules java.base/jdk.internal.misc
* java.management/sun.management
* @build sun.hotspot.WhiteBox
* @run driver ClassFileInstaller sun.hotspot.WhiteBox
* sun.hotspot.WhiteBox$WhiteBoxPermission
* @run main/othervm gc.arguments.TestUseCompressedOopsErgo -XX:+UseG1GC
*/
/*
* @test TestUseCompressedOopsErgoShenandoah
* @key gc
* @bug 8010722
* @comment Graal does not support Shenandoah
* @requires vm.gc.Shenandoah & !vm.graal.enabled
* @library /test/lib
* @library /
* @modules java.base/jdk.internal.misc
* java.management/sun.management
* @build sun.hotspot.WhiteBox
* @run driver ClassFileInstaller sun.hotspot.WhiteBox
* sun.hotspot.WhiteBox$WhiteBoxPermission
* @run main/othervm gc.arguments.TestUseCompressedOopsErgo -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC
*/
public class TestUseCompressedOopsErgo {
public static void main(String args[]) throws Exception {
if (!TestUseCompressedOopsErgoTools.is64bitVM()) {
// this test is relevant for 64 bit VMs only
return;
}
final String[] gcFlags = args;
TestUseCompressedOopsErgoTools.checkCompressedOopsErgo(gcFlags);
}
}