Mercurial > hg > graal-compiler
view test/runtime/NMT/AllocTestType.java @ 8210:c64ecb1ef1a9
Create LIRGenerator.emitOverflowCheckBranch in preparation for emitDeoptimizeOnOverflow removal
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Mon, 11 Mar 2013 18:41:46 +0100 |
parents | 1b0dc9f87e75 |
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/* * Copyright (c) 2013, 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 * @summary Test consistency of NMT by leaking a few select allocations of the Test type and then verify visibility with jcmd * @key nmt jcmd * @library /testlibrary /testlibrary/whitebox * @build AllocTestType * @run main ClassFileInstaller sun.hotspot.WhiteBox * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail AllocTestType */ import com.oracle.java.testlibrary.*; import sun.hotspot.WhiteBox; public class AllocTestType { public static void main(String args[]) throws Exception { OutputAnalyzer output; // Grab my own PID String pid = Integer.toString(ProcessTools.getProcessId()); ProcessBuilder pb = new ProcessBuilder(); // Use WB API to alloc with the mtTest type if (!WhiteBox.getWhiteBox().NMTAllocTest()) { throw new Exception("Call to WB API NMTAllocTest() failed"); } // Use WB API to ensure that all data has been merged before we continue if (!WhiteBox.getWhiteBox().NMTWaitForDataMerge()) { throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); } // Run 'jcmd <pid> VM.native_memory summary' pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary"}); output = new OutputAnalyzer(pb.start()); output.shouldContain("Test (reserved=512KB, committed=512KB)"); // Free the memory allocated by NMTAllocTest if (!WhiteBox.getWhiteBox().NMTFreeTestMemory()) { throw new Exception("Call to WB API NMTFreeTestMemory() failed"); } // Use WB API to ensure that all data has been merged before we continue if (!WhiteBox.getWhiteBox().NMTWaitForDataMerge()) { throw new Exception("Call to WB API NMTWaitForDataMerge() failed"); } output = new OutputAnalyzer(pb.start()); output.shouldNotContain("Test (reserved="); } }