• file
• revisions
• annotate
• diff
• comparison
• raw

test/runtime/NMT/ThreadedMallocTestType.java@ac12996df59b (annotated)

test/runtime/NMT/ThreadedMallocTestType.java

Wed, 27 Aug 2014 08:35:03 -0400

author

zgu

date

Wed, 27 Aug 2014 08:35:03 -0400

changeset 7075

ac12996df59b

parent 0

f90c822e73f8

child 7110

6640f982c1be

permissions

-rw-r--r--

8044140: Create NMT (Native Memory Tracking) tests for NMT2
Summary: Create new/modify existing tests for NMT2, which is an internal redesign to address scalability issues in the first implementation.
Reviewed-by: ctornqvi, zgu
Contributed-by: George Triantafillou <george.triantafillou@oracle.com>

aoqi@0	1	/*
zgu@7075	2	* Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @key nmt jcmd
aoqi@0	27	* @library /testlibrary /testlibrary/whitebox
aoqi@0	28	* @build ThreadedMallocTestType
zgu@7075	29	* @ignore
aoqi@0	30	* @run main ClassFileInstaller sun.hotspot.WhiteBox
aoqi@0	31	* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ThreadedMallocTestType
aoqi@0	32	*/
aoqi@0	33
aoqi@0	34	import com.oracle.java.testlibrary.*;
aoqi@0	35	import sun.hotspot.WhiteBox;
aoqi@0	36
aoqi@0	37	public class ThreadedMallocTestType {
aoqi@0	38	public static long memAlloc1;
aoqi@0	39	public static long memAlloc2;
aoqi@0	40	public static long memAlloc3;
aoqi@0	41
aoqi@0	42	public static void main(String args[]) throws Exception {
aoqi@0	43	OutputAnalyzer output;
aoqi@0	44	final WhiteBox wb = WhiteBox.getWhiteBox();
aoqi@0	45
aoqi@0	46	// Grab my own PID
aoqi@0	47	String pid = Integer.toString(ProcessTools.getProcessId());
aoqi@0	48	ProcessBuilder pb = new ProcessBuilder();
aoqi@0	49
aoqi@0	50	Thread allocThread = new Thread() {
aoqi@0	51	public void run() {
aoqi@0	52	// Alloc memory using the WB api
aoqi@0	53	memAlloc1 = wb.NMTMalloc(128 * 1024);
aoqi@0	54	memAlloc2 = wb.NMTMalloc(256 * 1024);
aoqi@0	55	memAlloc3 = wb.NMTMalloc(512 * 1024);
aoqi@0	56	}
aoqi@0	57	};
aoqi@0	58
aoqi@0	59	allocThread.start();
aoqi@0	60	allocThread.join();
aoqi@0	61
aoqi@0	62	// Run 'jcmd <pid> VM.native_memory summary'
aoqi@0	63	pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary"});
aoqi@0	64	output = new OutputAnalyzer(pb.start());
aoqi@0	65	output.shouldContain("Test (reserved=896KB, committed=896KB)");
aoqi@0	66
aoqi@0	67	Thread freeThread = new Thread() {
aoqi@0	68	public void run() {
aoqi@0	69	// Free the memory allocated by NMTMalloc
aoqi@0	70	wb.NMTFree(memAlloc1);
aoqi@0	71	wb.NMTFree(memAlloc2);
aoqi@0	72	wb.NMTFree(memAlloc3);
aoqi@0	73	}
aoqi@0	74	};
aoqi@0	75
aoqi@0	76	freeThread.start();
aoqi@0	77	freeThread.join();
aoqi@0	78
aoqi@0	79	output = new OutputAnalyzer(pb.start());
aoqi@0	80	output.shouldNotContain("Test (reserved=");
aoqi@0	81	}
aoqi@0	82	}