Mercurial > hg > graal-compiler
view test/runtime/NMT/JcmdWithNMTDisabled.java @ 14190:ce86c36b8921
8029178: Parallel class loading test anonymous-simple gets SIGSEGV in Metaspace::contains
Summary: Metaspace::contains cannot look at purged metaspaces while CMS concurrently deallocates them.
Reviewed-by: mgerdin, sspitsyn, jmasa
author | coleenp |
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date | Tue, 07 Jan 2014 13:26:56 -0500 |
parents | 879c6de913d6 |
children | ac12996df59b |
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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 * @key nmt jcmd * @summary Verify that jcmd correctly reports that NMT is not enabled * @library /testlibrary * First run without enabling NMT * @run main/othervm JcmdWithNMTDisabled * Then run with explicitly disabling NMT, should not be any difference * @run main/othervm -XX:NativeMemoryTracking=off JcmdWithNMTDisabled */ import com.oracle.java.testlibrary.*; public class JcmdWithNMTDisabled { static ProcessBuilder pb = new ProcessBuilder(); static String pid; public static void main(String args[]) throws Exception { // Grab my own PID pid = Integer.toString(ProcessTools.getProcessId()); jcmdCommand("summary"); jcmdCommand("detail"); jcmdCommand("baseline"); jcmdCommand("summary.diff"); jcmdCommand("detail.diff"); jcmdCommand("scale=GB"); jcmdCommand("shutdown"); } // Helper method for invoking different jcmd calls, all should fail with the same message saying NMT is not enabled public static void jcmdCommand(String command) throws Exception { pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", command}); OutputAnalyzer output = new OutputAnalyzer(pb.start()); // Verify that jcmd reports that NMT is not enabled output.shouldContain("Native memory tracking is not enabled"); } }