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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 regression
* @bug 8005936
* @summary Make sure PrintNMTStatistics works on normal JVM exit
* @library /testlibrary /testlibrary/whitebox
* @run compile PrintNMTStatistics.java
*/
import com.oracle.java.testlibrary.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import sun.hotspot.WhiteBox;
public class PrintNMTStatistics {
public static void main(String args[]) throws Exception {
// We start a new java process running with an argument and use WB API to ensure
// we have data for NMT on VM exit
if (args.length > 0) {
// 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");
}
return;
}
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
"-XX:+UnlockDiagnosticVMOptions",
"-XX:NativeMemoryTracking=summary",
"+XX:+PrintNMTStatistics",
"PrintNMTStatistics",
"test");
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldContain("Java Heap (reserved=");
output.shouldNotContain("error");
output.shouldNotContain("warning");
output.shouldHaveExitValue(0);
}
}
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