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test/gc/metaspace/ClassMetaspaceSizeInJmapHeap.java@9a094d29af19 (annotated)

test/gc/metaspace/ClassMetaspaceSizeInJmapHeap.java

Wed, 06 Feb 2013 07:48:02 +0100

author

ehelin

date

Wed, 06 Feb 2013 07:48:02 +0100

changeset 4655

9a094d29af19

child 4856

8bf6338972ce

permissions

-rw-r--r--

8004924: NPG: jmap -heap output should contain ClassMetaspaceSize value
Reviewed-by: stefank, mgerdin

ehelin@4655	1	/*
ehelin@4655	2	* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
ehelin@4655	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ehelin@4655	4	*
ehelin@4655	5	* This code is free software; you can redistribute it and/or modify it
ehelin@4655	6	* under the terms of the GNU General Public License version 2 only, as
ehelin@4655	7	* published by the Free Software Foundation.
ehelin@4655	8	*
ehelin@4655	9	* This code is distributed in the hope that it will be useful, but WITHOUT
ehelin@4655	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ehelin@4655	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ehelin@4655	12	* version 2 for more details (a copy is included in the LICENSE file that
ehelin@4655	13	* accompanied this code).
ehelin@4655	14	*
ehelin@4655	15	* You should have received a copy of the GNU General Public License version
ehelin@4655	16	* 2 along with this work; if not, write to the Free Software Foundation,
ehelin@4655	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ehelin@4655	18	*
ehelin@4655	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ehelin@4655	20	* or visit www.oracle.com if you need additional information or have any
ehelin@4655	21	* questions.
ehelin@4655	22	*/
ehelin@4655	23
ehelin@4655	24	/*
ehelin@4655	25	* @test ClassMetaspaceSizeInJmapHeap
ehelin@4655	26	* @bug 8004924
ehelin@4655	27	* @summary Checks that jmap -heap contains the flag ClassMetaspaceSize
ehelin@4655	28	* @library /testlibrary
ehelin@4655	29	* @run main/othervm -XX:ClassMetaspaceSize=50m ClassMetaspaceSizeInJmapHeap
ehelin@4655	30	*/
ehelin@4655	31
ehelin@4655	32	import com.oracle.java.testlibrary.*;
ehelin@4655	33	import java.nio.file.*;
ehelin@4655	34	import java.io.File;
ehelin@4655	35	import java.nio.charset.Charset;
ehelin@4655	36	import java.util.List;
ehelin@4655	37
ehelin@4655	38	public class ClassMetaspaceSizeInJmapHeap {
ehelin@4655	39	public static void main(String[] args) throws Exception {
ehelin@4655	40	String pid = Integer.toString(ProcessTools.getProcessId());
ehelin@4655	41
ehelin@4655	42	ProcessBuilder pb = new ProcessBuilder();
ehelin@4655	43	pb.command(JDKToolFinder.getJDKTool("jmap"), "-heap", pid);
ehelin@4655	44
ehelin@4655	45	File out = new File("ClassMetaspaceSizeInJmapHeap.stdout.txt");
ehelin@4655	46	pb.redirectOutput(out);
ehelin@4655	47
ehelin@4655	48	File err = new File("ClassMetaspaceSizeInJmapHeap.stderr.txt");
ehelin@4655	49	pb.redirectError(err);
ehelin@4655	50
ehelin@4655	51	run(pb);
ehelin@4655	52
ehelin@4655	53	OutputAnalyzer output = new OutputAnalyzer(read(out));
ehelin@4655	54	output.shouldContain("ClassMetaspaceSize = 52428800 (50.0MB)");
ehelin@4655	55	out.delete();
ehelin@4655	56	}
ehelin@4655	57
ehelin@4655	58	private static void run(ProcessBuilder pb) throws Exception {
ehelin@4655	59	Process p = pb.start();
ehelin@4655	60	p.waitFor();
ehelin@4655	61	int exitValue = p.exitValue();
ehelin@4655	62	if (exitValue != 0) {
ehelin@4655	63	throw new Exception("jmap -heap exited with error code: " + exitValue);
ehelin@4655	64	}
ehelin@4655	65	}
ehelin@4655	66
ehelin@4655	67	private static String read(File f) throws Exception {
ehelin@4655	68	Path p = f.toPath();
ehelin@4655	69	List<String> lines = Files.readAllLines(p, Charset.defaultCharset());
ehelin@4655	70
ehelin@4655	71	StringBuilder sb = new StringBuilder();
ehelin@4655	72	for (String line : lines) {
ehelin@4655	73	sb.append(line).append('\n');
ehelin@4655	74	}
ehelin@4655	75	return sb.toString();
ehelin@4655	76	}
ehelin@4655	77	}