1 /* 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @key nmt jcmd 27 * @summary Test the NMT scale parameter 28 * @library /testlibrary 29 * @run main/othervm -XX:NativeMemoryTracking=summary JcmdScale 30 */ 31 32 import com.oracle.java.testlibrary.*; 33 34 public class JcmdScale { 35 36 public static void main(String args[]) throws Exception { 37 ProcessBuilder pb = new ProcessBuilder(); 38 OutputAnalyzer output; 39 // Grab my own PID 40 String pid = Integer.toString(ProcessTools.getProcessId()); 41 42 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=KB"}); 43 output = new OutputAnalyzer(pb.start()); 44 output.shouldContain("KB, committed="); 45 46 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=MB"}); 47 output = new OutputAnalyzer(pb.start()); 48 output.shouldContain("MB, committed="); 49 50 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=GB"}); 51 output = new OutputAnalyzer(pb.start()); 52 output.shouldContain("GB, committed="); 53 54 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "scale=apa"}); 55 output = new OutputAnalyzer(pb.start()); 56 output.shouldContain("Incorrect scale value: apa"); 57 58 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary", "scale=GB"}); 59 output = new OutputAnalyzer(pb.start()); 60 output.shouldContain("GB, committed="); 61 62 pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary", "scale=apa"}); 63 output = new OutputAnalyzer(pb.start()); 64 output.shouldContain("Incorrect scale value: apa"); 65 66 } 67 }