Mercurial > hg > truffle
diff test/runtime/NMT/PrintNMTStatistics.java @ 7977:879c6de913d6
8005013: Add NMT tests
Summary: Add tests for the Native Memory Tracking feature, includes regression tests for 8005936 and 8004802
Reviewed-by: zgu, coleenp
author | ctornqvi |
---|---|
date | Sat, 02 Feb 2013 16:34:10 +0100 |
parents | |
children | 1b0dc9f87e75 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/NMT/PrintNMTStatistics.java Sat Feb 02 16:34:10 2013 +0100 @@ -0,0 +1,66 @@ +/* + * 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 + * @run compile -J-XX:+UnlockDiagnosticVMOptions -J-XX:+WhiteBoxAPI 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); + } +}