Wed, 27 Apr 2016 01:25:04 +0800
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2014, 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 TestDynMinHeapFreeRatio |
aoqi@0 | 26 | * @bug 8028391 |
aoqi@0 | 27 | * @summary Verify that MinHeapFreeRatio flag is manageable |
aoqi@0 | 28 | * @library /testlibrary |
aoqi@0 | 29 | * @run main TestDynMinHeapFreeRatio |
aoqi@0 | 30 | * @run main/othervm -XX:MinHeapFreeRatio=0 -XX:MaxHeapFreeRatio=100 TestDynMinHeapFreeRatio |
aoqi@0 | 31 | * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 -XX:-UseAdaptiveSizePolicy TestDynMinHeapFreeRatio |
aoqi@0 | 32 | * @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 TestDynMinHeapFreeRatio |
aoqi@0 | 33 | * @run main/othervm -XX:MinHeapFreeRatio=51 -XX:MaxHeapFreeRatio=52 TestDynMinHeapFreeRatio |
aoqi@0 | 34 | * @run main/othervm -XX:MinHeapFreeRatio=75 -XX:MaxHeapFreeRatio=100 TestDynMinHeapFreeRatio |
aoqi@0 | 35 | */ |
aoqi@0 | 36 | import com.oracle.java.testlibrary.TestDynamicVMOption; |
aoqi@0 | 37 | import com.oracle.java.testlibrary.DynamicVMOptionChecker; |
aoqi@0 | 38 | |
aoqi@0 | 39 | public class TestDynMinHeapFreeRatio extends TestDynamicVMOption { |
aoqi@0 | 40 | |
aoqi@0 | 41 | public static final String MinFreeRatioFlagName = "MinHeapFreeRatio"; |
aoqi@0 | 42 | public static final String MaxFreeRatioFlagName = "MaxHeapFreeRatio"; |
aoqi@0 | 43 | |
aoqi@0 | 44 | public TestDynMinHeapFreeRatio() { |
aoqi@0 | 45 | super(MinFreeRatioFlagName); |
aoqi@0 | 46 | } |
aoqi@0 | 47 | |
aoqi@0 | 48 | public void test() { |
aoqi@0 | 49 | int maxHeapFreeValue = DynamicVMOptionChecker.getIntValue(MaxFreeRatioFlagName); |
aoqi@0 | 50 | System.out.println(MaxFreeRatioFlagName + " = " + maxHeapFreeValue); |
aoqi@0 | 51 | |
aoqi@0 | 52 | testPercentageValues(); |
aoqi@0 | 53 | |
aoqi@0 | 54 | checkInvalidValue(Integer.toString(maxHeapFreeValue + 1)); |
aoqi@0 | 55 | checkValidValue(Integer.toString(maxHeapFreeValue)); |
aoqi@0 | 56 | checkValidValue("0"); |
aoqi@0 | 57 | } |
aoqi@0 | 58 | |
aoqi@0 | 59 | public static void main(String args[]) throws Exception { |
aoqi@0 | 60 | new TestDynMinHeapFreeRatio().test(); |
aoqi@0 | 61 | } |
aoqi@0 | 62 | } |