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test/hotspot/jtreg/gc/g1/plab/TestPLABPromotion.java

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 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 jdk.test.whitebox.WhiteBox
 34  * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
 35  * @run main/timeout=240 gc.g1.plab.TestPLABPromotion
 36  */
 37 package gc.g1.plab;
 38 
 39 import java.util.List;
 40 import java.util.Arrays;
 41 import java.io.PrintStream;
 42 
 43 import gc.g1.plab.lib.AppPLABPromotion;
 44 import gc.g1.plab.lib.LogParser;
 45 import gc.g1.plab.lib.PLABUtils;
 46 import gc.g1.plab.lib.PlabInfo;
 47 

 48 import jdk.test.lib.process.OutputAnalyzer;
 49 import jdk.test.lib.process.ProcessTools;
 50 
 51 /**
 52  * Test checks PLAB promotion of different size objects.
 53  */
 54 public class TestPLABPromotion {
 55 
 56     // GC ID with survivor PLAB statistics
 57     private final static long GC_ID_SURVIVOR_STATS = 1l;
 58     // GC ID with old PLAB statistics
 59     private final static long GC_ID_OLD_STATS = 2l;
 60 
 61     private final static String PLAB_USED_FIELD_NAME = "used";
 62     private final static String PLAB_DIRECT_ALLOCATED_FIELD_NAME = "direct allocated";
 63     private final static List<String> FIELDS_TO_EXTRACT = Arrays.asList(PLAB_USED_FIELD_NAME, PLAB_DIRECT_ALLOCATED_FIELD_NAME);
 64 
 65     private static String output;
 66 
 67     // Allowable difference for memory consumption (percentage)
 68     private final static long MEM_DIFFERENCE_PCT = 5;
 69 
 70     private static final int PLAB_SIZE_SMALL = 1024;
 71     private static final int PLAB_SIZE_MEDIUM = 4096;
 72     private static final int PLAB_SIZE_HIGH = 65536;
 73     private static final int OBJECT_SIZE_SMALL = 10;
 74     private static final int OBJECT_SIZE_MEDIUM = 100;
 75     private static final int OBJECT_SIZE_HIGH = 3250;
 76     private static final int GC_NUM_SMALL = 1;
 77     private static final int GC_NUM_MEDIUM = 3;
 78     private static final int GC_NUM_HIGH = 7;
 79     private static final int WASTE_PCT_SMALL = 10;
 80     private static final int WASTE_PCT_MEDIUM = 20;
 81     private static final int WASTE_PCT_HIGH = 30;
 82     private static final int YOUNG_SIZE_LOW = 16;
 83     private static final int YOUNG_SIZE_HIGH = 64;
 84     private static final boolean PLAB_FIXED = true;
 85     private static final boolean PLAB_DYNAMIC = false;
 86 
 87     private final static TestCase[] TEST_CASES = {
 88         // Test cases for unreachable object, PLAB size is fixed
 89         new TestCase(WASTE_PCT_SMALL, PLAB_SIZE_SMALL, OBJECT_SIZE_MEDIUM, GC_NUM_SMALL, YOUNG_SIZE_LOW, PLAB_FIXED, false, false),
 90         new TestCase(WASTE_PCT_HIGH, PLAB_SIZE_MEDIUM, OBJECT_SIZE_SMALL, GC_NUM_HIGH, YOUNG_SIZE_HIGH, PLAB_FIXED, false, false),
 91         // Test cases for reachable objects, PLAB size is fixed
 92         new TestCase(WASTE_PCT_SMALL, PLAB_SIZE_SMALL, OBJECT_SIZE_SMALL, GC_NUM_HIGH, YOUNG_SIZE_HIGH, PLAB_FIXED, true, true),
 93         new TestCase(WASTE_PCT_SMALL, PLAB_SIZE_MEDIUM, OBJECT_SIZE_MEDIUM, GC_NUM_SMALL, YOUNG_SIZE_LOW, PLAB_FIXED, true, true),
 94         new TestCase(WASTE_PCT_SMALL, PLAB_SIZE_SMALL, OBJECT_SIZE_HIGH, GC_NUM_MEDIUM, YOUNG_SIZE_LOW, PLAB_FIXED, true, false),
 95         new TestCase(WASTE_PCT_MEDIUM, PLAB_SIZE_HIGH, OBJECT_SIZE_SMALL, GC_NUM_HIGH, YOUNG_SIZE_HIGH, PLAB_FIXED, true, true),

 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 jdk.test.whitebox.WhiteBox
 34  * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
 35  * @run main/timeout=240 gc.g1.plab.TestPLABPromotion
 36  */
 37 package gc.g1.plab;
 38 
 39 import java.util.List;
 40 import java.util.Arrays;
 41 import java.io.PrintStream;
 42 
 43 import gc.g1.plab.lib.AppPLABPromotion;
 44 import gc.g1.plab.lib.LogParser;
 45 import gc.g1.plab.lib.PLABUtils;
 46 import gc.g1.plab.lib.PlabInfo;
 47 
 48 import jdk.test.lib.Platform;
 49 import jdk.test.lib.process.OutputAnalyzer;
 50 import jdk.test.lib.process.ProcessTools;
 51 
 52 /**
 53  * Test checks PLAB promotion of different size objects.
 54  */
 55 public class TestPLABPromotion {
 56 
 57     // GC ID with survivor PLAB statistics
 58     private final static long GC_ID_SURVIVOR_STATS = 1l;
 59     // GC ID with old PLAB statistics
 60     private final static long GC_ID_OLD_STATS = 2l;
 61 
 62     private final static String PLAB_USED_FIELD_NAME = "used";
 63     private final static String PLAB_DIRECT_ALLOCATED_FIELD_NAME = "direct allocated";
 64     private final static List<String> FIELDS_TO_EXTRACT = Arrays.asList(PLAB_USED_FIELD_NAME, PLAB_DIRECT_ALLOCATED_FIELD_NAME);
 65 
 66     private static String output;
 67 
 68     // Allowable difference for memory consumption (percentage)
 69     private final static long MEM_DIFFERENCE_PCT = 5;
 70 
 71     private static final int PLAB_SIZE_SMALL = 1024;
 72     private static final int PLAB_SIZE_MEDIUM = 4096;
 73     private static final int PLAB_SIZE_HIGH = 65536;
 74     private static final int OBJECT_SIZE_SMALL = 10;
 75     private static final int OBJECT_SIZE_MEDIUM = 100;
 76     private static final int OBJECT_SIZE_HIGH = Platform.is64bit() ? 3266 : 3258;
 77     private static final int GC_NUM_SMALL = 1;
 78     private static final int GC_NUM_MEDIUM = 3;
 79     private static final int GC_NUM_HIGH = 7;
 80     private static final int WASTE_PCT_SMALL = 10;
 81     private static final int WASTE_PCT_MEDIUM = 20;
 82     private static final int WASTE_PCT_HIGH = 30;
 83     private static final int YOUNG_SIZE_LOW = 16;
 84     private static final int YOUNG_SIZE_HIGH = 64;
 85     private static final boolean PLAB_FIXED = true;
 86     private static final boolean PLAB_DYNAMIC = false;
 87 
 88     private final static TestCase[] TEST_CASES = {
 89         // Test cases for unreachable object, PLAB size is fixed
 90         new TestCase(WASTE_PCT_SMALL, PLAB_SIZE_SMALL, OBJECT_SIZE_MEDIUM, GC_NUM_SMALL, YOUNG_SIZE_LOW, PLAB_FIXED, false, false),
 91         new TestCase(WASTE_PCT_HIGH, PLAB_SIZE_MEDIUM, OBJECT_SIZE_SMALL, GC_NUM_HIGH, YOUNG_SIZE_HIGH, PLAB_FIXED, false, false),
 92         // Test cases for reachable objects, PLAB size is fixed
 93         new TestCase(WASTE_PCT_SMALL, PLAB_SIZE_SMALL, OBJECT_SIZE_SMALL, GC_NUM_HIGH, YOUNG_SIZE_HIGH, PLAB_FIXED, true, true),
 94         new TestCase(WASTE_PCT_SMALL, PLAB_SIZE_MEDIUM, OBJECT_SIZE_MEDIUM, GC_NUM_SMALL, YOUNG_SIZE_LOW, PLAB_FIXED, true, true),
 95         new TestCase(WASTE_PCT_SMALL, PLAB_SIZE_SMALL, OBJECT_SIZE_HIGH, GC_NUM_MEDIUM, YOUNG_SIZE_LOW, PLAB_FIXED, true, false),
 96         new TestCase(WASTE_PCT_MEDIUM, PLAB_SIZE_HIGH, OBJECT_SIZE_SMALL, GC_NUM_HIGH, YOUNG_SIZE_HIGH, PLAB_FIXED, true, true),
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