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