test/hotspot/jtreg/gc/survivorAlignment/TestPromotionFromEdenToTenured.java
author pliden
Tue, 12 Jun 2018 17:40:28 +0200
changeset 50525 767cdb97f103
parent 48791 6e079ff6c83c
child 52925 9c18c9d839d3
permissions -rw-r--r--
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental) Reviewed-by: pliden, stefank, eosterlund, ehelin, sjohanss, rbackman, coleenp, ihse, jgeorge, lmesnik, rkennke Contributed-by: per.liden@oracle.com, stefan.karlsson@oracle.com, erik.osterlund@oracle.com, mikael.gerdin@oracle.com, kim.barrett@oracle.com, nils.eliasson@oracle.com, rickard.backman@oracle.com, rwestrel@redhat.com, coleen.phillimore@oracle.com, robbin.ehn@oracle.com, gerard.ziemski@oracle.com, hugh.wilkinson@intel.com, sandhya.viswanathan@intel.com, bill.npo.wheeler@intel.com, vinay.k.awasthi@intel.com, yasuenag@gmail.com

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/**
 * @test
 * @bug 8031323
 * @summary Verify that objects promoted from eden space to tenured space during
 *          full GC are not aligned to SurvivorAlignmentInBytes value.
 * @requires vm.gc != "Z"
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.management
 * @build sun.hotspot.WhiteBox
 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
 *                   -XX:OldSize=32m -XX:MaxHeapSize=96m -XX:SurvivorRatio=1
 *                   -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
 *                   -XX:+UnlockExperimentalVMOptions
 *                   -XX:SurvivorAlignmentInBytes=32
 *                   TestPromotionFromEdenToTenured 10m 9 TENURED
 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
 *                   -XX:OldSize=32m -XX:MaxHeapSize=96m -XX:SurvivorRatio=1
 *                   -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
 *                   -XX:+UnlockExperimentalVMOptions
 *                   -XX:SurvivorAlignmentInBytes=32
 *                   TestPromotionFromEdenToTenured 10m 47 TENURED
 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
 *                   -XX:OldSize=32m  -XX:MaxHeapSize=96m
 *                   -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
 *                   -XX:+UnlockExperimentalVMOptions
 *                   -XX:SurvivorAlignmentInBytes=64
 *                   TestPromotionFromEdenToTenured 10m 9 TENURED
 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
 *                   -XX:OldSize=32m -XX:MaxHeapSize=128m
 *                   -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
 *                   -XX:+UnlockExperimentalVMOptions
 *                   -XX:SurvivorAlignmentInBytes=64
 *                   TestPromotionFromEdenToTenured 10m 87 TENURED
 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
 *                   -XX:OldSize=32M -XX:MaxHeapSize=96m -XX:SurvivorRatio=1
 *                   -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
 *                   -XX:+UnlockExperimentalVMOptions
 *                   -XX:SurvivorAlignmentInBytes=128
 *                   TestPromotionFromEdenToTenured 10m 9 TENURED
 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
 *                   -XX:+WhiteBoxAPI -XX:NewSize=64m -XX:MaxNewSize=64m
 *                   -XX:OldSize=32m -XX:MaxHeapSize=96m -XX:SurvivorRatio=1
 *                   -XX:-ExplicitGCInvokesConcurrent -XX:-ResizePLAB
 *                   -XX:+UnlockExperimentalVMOptions
 *                   -XX:SurvivorAlignmentInBytes=128
 *                   TestPromotionFromEdenToTenured 10m 147 TENURED
 */
public class TestPromotionFromEdenToTenured {
    public static void main(String args[]) {
        SurvivorAlignmentTestMain test
                = SurvivorAlignmentTestMain.fromArgs(args);
        System.out.println(test);

        long expectedMemoryUsage = test.getExpectedMemoryUsage();
        test.baselineMemoryAllocation();
        System.gc();
        // increase expected usage by current old gen usage
        expectedMemoryUsage += SurvivorAlignmentTestMain.getAlignmentHelper(
                SurvivorAlignmentTestMain.HeapSpace.TENURED)
                .getActualMemoryUsage();

        test.allocate();
        System.gc();

        test.verifyMemoryUsage(expectedMemoryUsage);
    }
}