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test/gc/g1/TestHumongousAllocInitialMark.java@dbb05f6d93c4 (annotated)
test/gc/g1/TestHumongousAllocInitialMark.java
Mon, 28 Jul 2014 15:06:38 -0700
- author
- fzhinkin
- date
- Mon, 28 Jul 2014 15:06:38 -0700
- changeset 6997
- dbb05f6d93c4
- parent 6198
- 55fb97c4c58d
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn
| mnunez@3808 | 1 | /* |
| mikael@6198 | 2 | * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
| mnunez@3808 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| mnunez@3808 | 4 | * |
| mnunez@3808 | 5 | * This code is free software; you can redistribute it and/or modify it |
| mnunez@3808 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| mnunez@3808 | 7 | * published by the Free Software Foundation. |
| mnunez@3808 | 8 | * |
| mnunez@3808 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| mnunez@3808 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| mnunez@3808 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| mnunez@3808 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| mnunez@3808 | 13 | * accompanied this code). |
| mnunez@3808 | 14 | * |
| mnunez@3808 | 15 | * You should have received a copy of the GNU General Public License version |
| mnunez@3808 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| mnunez@3808 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| mnunez@3808 | 18 | * |
| mnunez@3808 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| mnunez@3808 | 20 | * or visit www.oracle.com if you need additional information or have any |
| mnunez@3808 | 21 | * questions. |
| mnunez@3808 | 22 | */ |
| mnunez@3808 | 23 | |
| mnunez@3808 | 24 | /* |
| pliden@5937 | 25 | * @test TestHumongousAllocInitialMark |
| mnunez@3808 | 26 | * @bug 7168848 |
| mnunez@3808 | 27 | * @summary G1: humongous object allocations should initiate marking cycles when necessary |
| pliden@5937 | 28 | * @library /testlibrary |
| mnunez@3808 | 29 | */ |
| mnunez@3808 | 30 | |
| pliden@5937 | 31 | import com.oracle.java.testlibrary.*; |
| mnunez@3808 | 32 | |
| pliden@5937 | 33 | public class TestHumongousAllocInitialMark { |
| pliden@5937 | 34 | private static final int heapSize = 200; // MB |
| pliden@5937 | 35 | private static final int heapRegionSize = 1; // MB |
| pliden@5937 | 36 | private static final int initiatingHeapOccupancyPercent = 50; // % |
| mnunez@3808 | 37 | |
| pliden@5937 | 38 | public static void main(String[] args) throws Exception { |
| pliden@5937 | 39 | ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
| pliden@5937 | 40 | "-XX:+UseG1GC", |
| pliden@5937 | 41 | "-Xms" + heapSize + "m", |
| pliden@5937 | 42 | "-Xmx" + heapSize + "m", |
| pliden@5937 | 43 | "-XX:G1HeapRegionSize=" + heapRegionSize + "m", |
| pliden@5937 | 44 | "-XX:InitiatingHeapOccupancyPercent=" + initiatingHeapOccupancyPercent, |
| pliden@5937 | 45 | "-XX:+PrintGC", |
| pliden@5937 | 46 | HumongousObjectAllocator.class.getName()); |
| pliden@5937 | 47 | |
| pliden@5937 | 48 | OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
| pliden@5937 | 49 | output.shouldContain("GC pause (G1 Humongous Allocation) (young) (initial-mark)"); |
| pliden@5937 | 50 | output.shouldNotContain("Full GC"); |
| pliden@5937 | 51 | output.shouldHaveExitValue(0); |
| mnunez@3808 | 52 | } |
| mnunez@3808 | 53 | |
| pliden@5937 | 54 | static class HumongousObjectAllocator { |
| pliden@5937 | 55 | private static byte[] dummy; |
| pliden@5937 | 56 | |
| pliden@5937 | 57 | public static void main(String [] args) throws Exception { |
| pliden@5937 | 58 | // Make object size 75% of region size |
| pliden@5937 | 59 | final int humongousObjectSize = |
| pliden@5937 | 60 | (int)(heapRegionSize * 1024 * 1024 * 0.75); |
| pliden@5937 | 61 | |
| pliden@5937 | 62 | // Number of objects to allocate to go above IHOP |
| pliden@5937 | 63 | final int humongousObjectAllocations = |
| pliden@5937 | 64 | (int)((heapSize * initiatingHeapOccupancyPercent / 100.0) / heapRegionSize) + 1; |
| pliden@5937 | 65 | |
| pliden@5937 | 66 | // Allocate |
| pliden@5937 | 67 | for (int i = 1; i <= humongousObjectAllocations; i++) { |
| pliden@5937 | 68 | System.out.println("Allocating humongous object " + i + "/" + humongousObjectAllocations + |
| pliden@5937 | 69 | " of size " + humongousObjectSize + " bytes"); |
| pliden@5937 | 70 | dummy = new byte[humongousObjectSize]; |
| mnunez@3808 | 71 | } |
| mnunez@3808 | 72 | } |
| mnunez@3808 | 73 | } |
| mnunez@3808 | 74 | } |
| mnunez@3808 | 75 |
