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test/runtime/NMT/JcmdWithNMTDisabled.java@dce765c2ff7d (annotated)

test/runtime/NMT/JcmdWithNMTDisabled.java

Thu, 27 Mar 2014 22:36:08 +0100

author

ctornqvi

date

Thu, 27 Mar 2014 22:36:08 +0100

changeset 8183

dce765c2ff7d

parent 7110

6640f982c1be

permissions

-rw-r--r--

8007890: [TESTBUG] JcmdWithNMTDisabled.java fails when invoked with NMT explicitly turned on
Summary: Wrapped the test in another layer process creation to avoid NMT being turned on.
Reviewed-by: coleenp, dcubed

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2013, 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
aoqi@0	26	* @key nmt jcmd
aoqi@0	27	* @summary Verify that jcmd correctly reports that NMT is not enabled
aoqi@0	28	* @library /testlibrary
ctornqvi@8183	29	* @run main JcmdWithNMTDisabled 1
aoqi@0	30	*/
aoqi@0	31
aoqi@0	32	import com.oracle.java.testlibrary.*;
aoqi@0	33
aoqi@0	34	public class JcmdWithNMTDisabled {
aoqi@0	35	static ProcessBuilder pb = new ProcessBuilder();
aoqi@0	36	static String pid;
aoqi@0	37
aoqi@0	38	public static void main(String args[]) throws Exception {
ctornqvi@8183	39
ctornqvi@8183	40	// This test explicitly needs to be run with the exact command lines below, not passing on
ctornqvi@8183	41	// arguments from the parent VM is a conscious choice to avoid NMT being turned on.
ctornqvi@8183	42	if (args.length > 0) {
ctornqvi@8183	43	ProcessBuilder pb;
ctornqvi@8183	44	OutputAnalyzer output;
ctornqvi@8183	45	String testjdkPath = System.getProperty("test.jdk");
ctornqvi@8183	46
ctornqvi@8183	47	// First run without enabling NMT
ctornqvi@8183	48	pb = ProcessTools.createJavaProcessBuilder("-Dtest.jdk=" + testjdkPath, "JcmdWithNMTDisabled");
ctornqvi@8183	49	output = new OutputAnalyzer(pb.start());
ctornqvi@8183	50	output.shouldHaveExitValue(0);
ctornqvi@8183	51
ctornqvi@8183	52	// Then run with explicitly disabling NMT, should not be any difference
ctornqvi@8183	53	pb = ProcessTools.createJavaProcessBuilder("-Dtest.jdk=" + testjdkPath, "-XX:NativeMemoryTracking=off", "JcmdWithNMTDisabled");
ctornqvi@8183	54	output = new OutputAnalyzer(pb.start());
ctornqvi@8183	55	output.shouldHaveExitValue(0);
ctornqvi@8183	56
ctornqvi@8183	57	return;
ctornqvi@8183	58	}
ctornqvi@8183	59
aoqi@0	60	// Grab my own PID
aoqi@0	61	pid = Integer.toString(ProcessTools.getProcessId());
aoqi@0	62
aoqi@0	63	jcmdCommand("summary");
aoqi@0	64	jcmdCommand("detail");
aoqi@0	65	jcmdCommand("baseline");
aoqi@0	66	jcmdCommand("summary.diff");
aoqi@0	67	jcmdCommand("detail.diff");
aoqi@0	68	jcmdCommand("scale=GB");
aoqi@0	69	jcmdCommand("shutdown");
aoqi@0	70	}
aoqi@0	71
aoqi@0	72	// Helper method for invoking different jcmd calls, all should fail with the same message saying NMT is not enabled
aoqi@0	73	public static void jcmdCommand(String command) throws Exception {
aoqi@0	74
aoqi@0	75	pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", command});
aoqi@0	76	OutputAnalyzer output = new OutputAnalyzer(pb.start());
aoqi@0	77
aoqi@0	78	// Verify that jcmd reports that NMT is not enabled
aoqi@0	79	output.shouldContain("Native memory tracking is not enabled");
aoqi@0	80	}
aoqi@0	81	}