diff test/gc/survivorAlignment/TestPromotionFromSurvivorToTenuredAfterFullGC.java @ 20717:4b7c96fba3d8

8037968: Add tests on alignment of objects copied to survivor space Reviewed-by: jmasa, dfazunen
author fzhinkin
date Wed, 26 Nov 2014 14:17:06 +0400
parents
children 75d8afb5d37a
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/survivorAlignment/TestPromotionFromSurvivorToTenuredAfterFullGC.java	Wed Nov 26 14:17:06 2014 +0400
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * 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
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8031323
+ * @summary Verify that objects promoted from survivor space to tenured space
+ *          during full GC are not aligned to SurvivorAlignmentInBytes value.
+ * @library /testlibrary /testlibrary/whitebox
+ * @build TestPromotionFromSurvivorToTenuredAfterFullGC
+ *        SurvivorAlignmentTestMain AlignmentHelper
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
+ *                   -XX:OldSize=32m -XX:SurvivorRatio=1
+ *                   -XX:-ExplicitGCInvokesConcurrent
+ *                   -XX:+UnlockExperimentalVMOptions
+ *                   -XX:SurvivorAlignmentInBytes=32
+ *                   TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9 TENURED
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
+ *                   -XX:OldSize=32m -XX:SurvivorRatio=1
+ *                   -XX:-ExplicitGCInvokesConcurrent
+ *                   -XX:+UnlockExperimentalVMOptions
+ *                   -XX:SurvivorAlignmentInBytes=32
+ *                   TestPromotionFromSurvivorToTenuredAfterFullGC 20m 47
+ *                   TENURED
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI -XX:NewSize=200m -XX:MaxNewSize=200m
+ *                   -XX:OldSize=32m -XX:InitialHeapSize=232m
+ *                   -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent
+ *                   -XX:+UnlockExperimentalVMOptions
+ *                   -XX:SurvivorAlignmentInBytes=64
+ *                   TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9 TENURED
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
+ *                   -XX:OldSize=32m -XX:SurvivorRatio=1
+ *                   -XX:-ExplicitGCInvokesConcurrent
+ *                   -XX:+UnlockExperimentalVMOptions
+ *                   -XX:SurvivorAlignmentInBytes=64
+ *                   TestPromotionFromSurvivorToTenuredAfterFullGC 20m 87
+ *                   TENURED
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI -XX:NewSize=256m -XX:MaxNewSize=256m
+ *                   -XX:OldSize=32M -XX:InitialHeapSize=288m
+ *                   -XX:SurvivorRatio=1 -XX:-ExplicitGCInvokesConcurrent
+ *                   -XX:+UnlockExperimentalVMOptions
+ *                   -XX:SurvivorAlignmentInBytes=128
+ *                    TestPromotionFromSurvivorToTenuredAfterFullGC 10m 9
+ *                    TENURED
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ *                   -XX:+WhiteBoxAPI -XX:NewSize=128m -XX:MaxNewSize=128m
+ *                   -XX:OldSize=32m -XX:SurvivorRatio=1
+ *                   -XX:-ExplicitGCInvokesConcurrent
+ *                   -XX:+UnlockExperimentalVMOptions
+ *                   -XX:SurvivorAlignmentInBytes=128
+ *                   TestPromotionFromSurvivorToTenuredAfterFullGC 20m 147
+ *                   TENURED
+ */
+public class TestPromotionFromSurvivorToTenuredAfterFullGC {
+    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();
+        SurvivorAlignmentTestMain.WHITE_BOX.youngGC();
+        System.gc();
+
+        test.verifyMemoryUsage(expectedMemoryUsage);
+    }
+}