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Java example source code file (PrintNMTStatistics.java)
The PrintNMTStatistics.java Java example source code/* * 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 * @build PrintNMTStatistics * @run main ClassFileInstaller sun.hotspot.WhiteBox * @run main PrintNMTStatistics */ 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", "-Xbootclasspath/a:.", "-XX:+WhiteBoxAPI", "-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); } } Other Java examples (source code examples)Here is a short list of links related to this Java PrintNMTStatistics.java source code file: |
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