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test/runtime/NMT/JcmdSummaryDiff.java@4edd7572c235 (annotated)

test/runtime/NMT/JcmdSummaryDiff.java

Tue, 09 Sep 2014 09:48:42 -0700

author

gtriantafill

date

Tue, 09 Sep 2014 09:48:42 -0700

changeset 7156

4edd7572c235

parent 7110

6640f982c1be

permissions

-rw-r--r--

8054836: [TESTBUG] Test is needed to verify correctness of malloc tracking
Reviewed-by: ctornqvi, lfoltan

gtriantafill@7108	1	/*
gtriantafill@7108	2	* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
gtriantafill@7108	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
gtriantafill@7108	4	*
gtriantafill@7108	5	* This code is free software; you can redistribute it and/or modify it
gtriantafill@7108	6	* under the terms of the GNU General Public License version 2 only, as
gtriantafill@7108	7	* published by the Free Software Foundation.
gtriantafill@7108	8	*
gtriantafill@7108	9	* This code is distributed in the hope that it will be useful, but WITHOUT
gtriantafill@7108	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
gtriantafill@7108	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
gtriantafill@7108	12	* version 2 for more details (a copy is included in the LICENSE file that
gtriantafill@7108	13	* accompanied this code).
gtriantafill@7108	14	*
gtriantafill@7108	15	* You should have received a copy of the GNU General Public License version
gtriantafill@7108	16	* 2 along with this work; if not, write to the Free Software Foundation,
gtriantafill@7108	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
gtriantafill@7108	18	*
gtriantafill@7108	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
gtriantafill@7108	20	* or visit www.oracle.com if you need additional information or have any
gtriantafill@7108	21	* questions.
gtriantafill@7108	22	*/
gtriantafill@7108	23
gtriantafill@7108	24	/*
gtriantafill@7108	25	* @test
gtriantafill@7108	26	* @summary run NMT baseline, allocate memory and verify output from summary.diff
gtriantafill@7108	27	* @key nmt jcmd
gtriantafill@7108	28	* @library /testlibrary /testlibrary/whitebox
gtriantafill@7108	29	* @build JcmdSummaryDiff
gtriantafill@7108	30	* @run main ClassFileInstaller sun.hotspot.WhiteBox
gtriantafill@7108	31	* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=summary JcmdSummaryDiff
gtriantafill@7108	32	*/
gtriantafill@7108	33
gtriantafill@7108	34	import com.oracle.java.testlibrary.*;
gtriantafill@7108	35
gtriantafill@7108	36	import sun.hotspot.WhiteBox;
gtriantafill@7108	37
gtriantafill@7108	38	public class JcmdSummaryDiff {
gtriantafill@7108	39
gtriantafill@7108	40	public static WhiteBox wb = WhiteBox.getWhiteBox();
gtriantafill@7108	41
gtriantafill@7108	42	public static void main(String args[]) throws Exception {
gtriantafill@7108	43	ProcessBuilder pb = new ProcessBuilder();
gtriantafill@7108	44	OutputAnalyzer output;
gtriantafill@7108	45	// Grab my own PID
gtriantafill@7108	46	String pid = Integer.toString(ProcessTools.getProcessId());
gtriantafill@7108	47
gtriantafill@7108	48	long commitSize = 128 * 1024;
gtriantafill@7108	49	long reserveSize = 256 * 1024;
gtriantafill@7108	50	long addr;
gtriantafill@7108	51
gtriantafill@7108	52	// Run 'jcmd <pid> VM.native_memory baseline=true'
gtriantafill@7108	53	pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "baseline=true"});
gtriantafill@7108	54	pb.start().waitFor();
gtriantafill@7108	55
gtriantafill@7108	56	output = new OutputAnalyzer(pb.start());
gtriantafill@7108	57	output.shouldContain("Baseline succeeded");
gtriantafill@7108	58
gtriantafill@7108	59	addr = wb.NMTReserveMemory(reserveSize);
gtriantafill@7108	60	pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary.diff", "scale=KB"});
gtriantafill@7108	61
gtriantafill@7108	62	output = new OutputAnalyzer(pb.start());
gtriantafill@7108	63	output.shouldContain("Test (reserved=256KB +256KB, committed=0KB)");
gtriantafill@7108	64
gtriantafill@7108	65	wb.NMTCommitMemory(addr, commitSize);
gtriantafill@7108	66	pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary.diff", "scale=KB"});
gtriantafill@7108	67
gtriantafill@7108	68	output = new OutputAnalyzer(pb.start());
gtriantafill@7108	69	output.shouldContain("Test (reserved=256KB +256KB, committed=128KB +128KB)");
gtriantafill@7108	70
gtriantafill@7108	71	wb.NMTUncommitMemory(addr, commitSize);
gtriantafill@7108	72	pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary.diff", "scale=KB"});
gtriantafill@7108	73
gtriantafill@7108	74	output = new OutputAnalyzer(pb.start());
gtriantafill@7108	75	output.shouldContain("Test (reserved=256KB +256KB, committed=0KB)");
gtriantafill@7108	76
gtriantafill@7108	77	wb.NMTReleaseMemory(addr, reserveSize);
gtriantafill@7108	78	pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary.diff", "scale=KB"});
gtriantafill@7108	79
gtriantafill@7108	80	output = new OutputAnalyzer(pb.start());
gtriantafill@7108	81	output.shouldNotContain("Test (reserved=");
gtriantafill@7108	82	}
gtriantafill@7108	83	}