Mercurial > jdk8-mips64-public > hotspot / annotate
test/gc/arguments/TestG1HeapRegionSize.java@f90c822e73f8 (annotated)
test/gc/arguments/TestG1HeapRegionSize.java
Wed, 27 Apr 2016 01:25:04 +0800
- author
- aoqi
- date
- Wed, 27 Apr 2016 01:25:04 +0800
- changeset 0
- f90c822e73f8
- child 7785
- f967da7f0c3c
- permissions
- -rw-r--r--
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | */ |
| aoqi@0 | 23 | |
| aoqi@0 | 24 | /* |
| aoqi@0 | 25 | * @test TestG1HeapRegionSize |
| aoqi@0 | 26 | * @key gc |
| aoqi@0 | 27 | * @bug 8021879 |
| aoqi@0 | 28 | * @summary Verify that the flag G1HeapRegionSize is updated properly |
| aoqi@0 | 29 | * @run main/othervm -Xmx64m TestG1HeapRegionSize 1048576 |
| aoqi@0 | 30 | * @run main/othervm -XX:G1HeapRegionSize=2m -Xmx64m TestG1HeapRegionSize 2097152 |
| aoqi@0 | 31 | * @run main/othervm -XX:G1HeapRegionSize=3m -Xmx64m TestG1HeapRegionSize 2097152 |
| aoqi@0 | 32 | * @run main/othervm -XX:G1HeapRegionSize=64m -Xmx256m TestG1HeapRegionSize 33554432 |
| aoqi@0 | 33 | */ |
| aoqi@0 | 34 | |
| aoqi@0 | 35 | import sun.management.ManagementFactoryHelper; |
| aoqi@0 | 36 | import com.sun.management.HotSpotDiagnosticMXBean; |
| aoqi@0 | 37 | import com.sun.management.VMOption; |
| aoqi@0 | 38 | |
| aoqi@0 | 39 | public class TestG1HeapRegionSize { |
| aoqi@0 | 40 | |
| aoqi@0 | 41 | public static void main(String[] args) { |
| aoqi@0 | 42 | HotSpotDiagnosticMXBean diagnostic = ManagementFactoryHelper.getDiagnosticMXBean(); |
| aoqi@0 | 43 | |
| aoqi@0 | 44 | VMOption option = diagnostic.getVMOption("UseG1GC"); |
| aoqi@0 | 45 | if (option.getValue().equals("false")) { |
| aoqi@0 | 46 | System.out.println("Skipping this test. It is only a G1 test."); |
| aoqi@0 | 47 | return; |
| aoqi@0 | 48 | } |
| aoqi@0 | 49 | |
| aoqi@0 | 50 | String expectedValue = getExpectedValue(args); |
| aoqi@0 | 51 | option = diagnostic.getVMOption("G1HeapRegionSize"); |
| aoqi@0 | 52 | if (!expectedValue.equals(option.getValue())) { |
| aoqi@0 | 53 | throw new RuntimeException("Wrong value for G1HeapRegionSize. Expected " + expectedValue + " but got " + option.getValue()); |
| aoqi@0 | 54 | } |
| aoqi@0 | 55 | } |
| aoqi@0 | 56 | |
| aoqi@0 | 57 | private static String getExpectedValue(String[] args) { |
| aoqi@0 | 58 | if (args.length != 1) { |
| aoqi@0 | 59 | throw new RuntimeException("Wrong number of arguments. Expected 1 but got " + args.length); |
| aoqi@0 | 60 | } |
| aoqi@0 | 61 | return args[0]; |
| aoqi@0 | 62 | } |
| aoqi@0 | 63 | |
| aoqi@0 | 64 | } |
