Mercurial > hg > truffle
view test/serviceability/jvmti/GetObjectSizeOverflowAgent.java @ 20584:ef9eda2c1abe
8061234: ResourceContext.requestAccurateUpdate() is unreliable
Summary: Changing copy_allocation_context_stats to return if there are more stats available after the copy.
Reviewed-by: rriggs, jcoomes
author | sjohanss |
---|---|
date | Thu, 30 Oct 2014 10:51:06 +0100 |
parents | 997fd9660dd5 |
children |
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/* * 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. */ import java.lang.instrument.*; public class GetObjectSizeOverflowAgent { static Instrumentation instrumentation; public static void premain(String agentArgs, Instrumentation instrumentation) { GetObjectSizeOverflowAgent.instrumentation = instrumentation; } public static void main(String[] args) throws Exception { int[] a = new int[600_000_000]; long size = instrumentation.getObjectSize(a); if (size < 2_400_000_000L) { throw new RuntimeException("Invalid size of array, expected >= 2400000000, got " + size); } System.out.println("GetObjectSizeOverflow passed"); } }