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81 lines
3.0 KiB
81 lines
3.0 KiB
/* |
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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test |
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* @key nmt jcmd |
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* @summary Verify that jcmd correctly reports that NMT is not enabled |
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* @library /testlibrary |
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* @run main JcmdWithNMTDisabled 1 |
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*/ |
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import com.oracle.java.testlibrary.*; |
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public class JcmdWithNMTDisabled { |
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static ProcessBuilder pb = new ProcessBuilder(); |
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static String pid; |
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public static void main(String args[]) throws Exception { |
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// This test explicitly needs to be run with the exact command lines below, not passing on |
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// arguments from the parent VM is a conscious choice to avoid NMT being turned on. |
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if (args.length > 0) { |
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ProcessBuilder pb; |
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OutputAnalyzer output; |
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String testjdkPath = System.getProperty("test.jdk"); |
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// First run without enabling NMT |
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pb = ProcessTools.createJavaProcessBuilder("-Dtest.jdk=" + testjdkPath, "JcmdWithNMTDisabled"); |
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output = new OutputAnalyzer(pb.start()); |
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output.shouldHaveExitValue(0); |
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// Then run with explicitly disabling NMT, should not be any difference |
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pb = ProcessTools.createJavaProcessBuilder("-Dtest.jdk=" + testjdkPath, "-XX:NativeMemoryTracking=off", "JcmdWithNMTDisabled"); |
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output = new OutputAnalyzer(pb.start()); |
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output.shouldHaveExitValue(0); |
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return; |
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} |
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// Grab my own PID |
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pid = Integer.toString(ProcessTools.getProcessId()); |
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jcmdCommand("summary"); |
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jcmdCommand("detail"); |
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jcmdCommand("baseline"); |
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jcmdCommand("summary.diff"); |
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jcmdCommand("detail.diff"); |
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jcmdCommand("scale=GB"); |
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jcmdCommand("shutdown"); |
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} |
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// Helper method for invoking different jcmd calls, all should fail with the same message saying NMT is not enabled |
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public static void jcmdCommand(String command) throws Exception { |
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pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", command}); |
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OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
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// Verify that jcmd reports that NMT is not enabled |
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output.shouldContain("Native memory tracking is not enabled"); |
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} |
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}
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