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 TestPLABResize
  26  * @bug 8141278 8141141
  27  * @summary Test for PLAB resizing
  28  * @requires vm.gc.G1
  29  * @requires !vm.flightRecorder
  30  * @library /testlibrary /test/lib /
  31  * @modules java.base/jdk.internal.misc
  32  * @modules java.management
  33  * @build ClassFileInstaller
  34  *        sun.hotspot.WhiteBox
  35  *        gc.g1.plab.lib.LogParser
  36  *        gc.g1.plab.lib.MemoryConsumer
  37  *        gc.g1.plab.lib.PLABUtils
  38  *        gc.g1.plab.lib.AppPLABResize
  39  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  40  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  41  * @run main gc.g1.plab.TestPLABResize
  42  */
  43 package gc.g1.plab;
  44 
  45 import java.util.Arrays;
  46 import java.util.List;
  47 import java.util.stream.Collectors;
  48 import java.io.PrintStream;
  49 
  50 import gc.g1.plab.lib.LogParser;
  51 import gc.g1.plab.lib.PLABUtils;
  52 import gc.g1.plab.lib.AppPLABResize;
  53 import gc.g1.plab.lib.PlabReport;
  54 
  55 import jdk.test.lib.OutputAnalyzer;
  56 import jdk.test.lib.ProcessTools;
  57 
  58 /**
  59  * Test for PLAB resizing.
  60  */
  61 public class TestPLABResize {
  62 
  63     private static final int OBJECT_SIZE_SMALL = 10;
  64     private static final int OBJECT_SIZE_MEDIUM = 70;
  65     private static final int OBJECT_SIZE_HIGH = 150;
  66     private static final int GC_NUM_SMALL = 1;
  67     private static final int GC_NUM_MEDIUM = 3;
  68     private static final int GC_NUM_HIGH = 7;
  69     private static final int WASTE_PCT_SMALL = 10;
  70     private static final int WASTE_PCT_MEDIUM = 20;
  71     private static final int WASTE_PCT_HIGH = 30;
  72 
  73     private static final int ITERATIONS_SMALL = 3;
  74     private static final int ITERATIONS_MEDIUM = 5;
  75     private static final int ITERATIONS_HIGH = 8;
  76 

  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 TestPLABResize
  26  * @bug 8141278 8141141
  27  * @summary Test for PLAB resizing
  28  * @requires vm.gc.G1
  29  * @requires !vm.flightRecorder
  30  * @library /test/lib /
  31  * @modules java.base/jdk.internal.misc
  32  * @modules java.management
  33  * @build sun.hotspot.WhiteBox





  34  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  35  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run main gc.g1.plab.TestPLABResize
  37  */
  38 package gc.g1.plab;
  39 
  40 import java.util.Arrays;
  41 import java.util.List;
  42 import java.util.stream.Collectors;
  43 import java.io.PrintStream;
  44 
  45 import gc.g1.plab.lib.LogParser;
  46 import gc.g1.plab.lib.PLABUtils;
  47 import gc.g1.plab.lib.AppPLABResize;
  48 import gc.g1.plab.lib.PlabReport;
  49 
  50 import jdk.test.lib.process.OutputAnalyzer;
  51 import jdk.test.lib.process.ProcessTools;
  52 
  53 /**
  54  * Test for PLAB resizing.
  55  */
  56 public class TestPLABResize {
  57 
  58     private static final int OBJECT_SIZE_SMALL = 10;
  59     private static final int OBJECT_SIZE_MEDIUM = 70;
  60     private static final int OBJECT_SIZE_HIGH = 150;
  61     private static final int GC_NUM_SMALL = 1;
  62     private static final int GC_NUM_MEDIUM = 3;
  63     private static final int GC_NUM_HIGH = 7;
  64     private static final int WASTE_PCT_SMALL = 10;
  65     private static final int WASTE_PCT_MEDIUM = 20;
  66     private static final int WASTE_PCT_HIGH = 30;
  67 
  68     private static final int ITERATIONS_SMALL = 3;
  69     private static final int ITERATIONS_MEDIUM = 5;
  70     private static final int ITERATIONS_HIGH = 8;
  71