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test/hotspot/jtreg/gc/arguments/TestShrinkHeapInSteps.java

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   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test TestShrinkHeapInSteps
  26  * @key gc
  27  * @summary Verify that -XX:-ShrinkHeapInSteps works properly.
  28  * @requires vm.gc != "Z"
  29  * @library /test/lib
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  * @run driver/timeout=240 TestShrinkHeapInSteps
  33  */
  34 
  35 import java.util.LinkedList;
  36 import java.util.Arrays;
  37 import java.util.Collections;
  38 import jdk.test.lib.Utils;
  39 
  40 public class TestShrinkHeapInSteps {
  41     public static void main(String args[]) throws Exception {
  42         LinkedList<String> options = new LinkedList<>(
  43                 Arrays.asList(Utils.getFilteredTestJavaOpts("-XX:[^ ]*HeapFreeRatio","-XX:\\+ExplicitGCInvokesConcurrent"))
  44         );
  45 
  46         // Leverage the existing TestMaxMinHeapFreeRatioFlags test, but pass
  47         // "false" for the shrinkHeapInSteps argument. This will cause it to
  48         // run with -XX:-ShrinkHeapInSteps, and only do 1 full GC instead of 10.


   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test TestShrinkHeapInSteps
  26  * @key gc
  27  * @summary Verify that -XX:-ShrinkHeapInSteps works properly.
  28  * @requires vm.gc != "Z" & vm.gc != "Shenandoah"
  29  * @library /test/lib
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  * @run driver/timeout=240 TestShrinkHeapInSteps
  33  */
  34 
  35 import java.util.LinkedList;
  36 import java.util.Arrays;
  37 import java.util.Collections;
  38 import jdk.test.lib.Utils;
  39 
  40 public class TestShrinkHeapInSteps {
  41     public static void main(String args[]) throws Exception {
  42         LinkedList<String> options = new LinkedList<>(
  43                 Arrays.asList(Utils.getFilteredTestJavaOpts("-XX:[^ ]*HeapFreeRatio","-XX:\\+ExplicitGCInvokesConcurrent"))
  44         );
  45 
  46         // Leverage the existing TestMaxMinHeapFreeRatioFlags test, but pass
  47         // "false" for the shrinkHeapInSteps argument. This will cause it to
  48         // run with -XX:-ShrinkHeapInSteps, and only do 1 full GC instead of 10.
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