51 lines
1.7 KiB
Java
51 lines
1.7 KiB
Java
/*
|
|
* 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.
|
|
*/
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
import jdk.test.lib.process.ProcessTools;
|
|
|
|
import sun.management.VMManagement;
|
|
|
|
public class JMapHProfLargeHeapProc {
|
|
private static final List<byte[]> heapGarbage = new ArrayList<>();
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
|
|
buildLargeHeap(args);
|
|
|
|
// Print our pid on stdout
|
|
System.out.println("PID[" + ProcessTools.getProcessId() + "]");
|
|
|
|
// Wait for input before termination
|
|
System.in.read();
|
|
}
|
|
|
|
private static void buildLargeHeap(String[] args) {
|
|
for (long i = 0; i < Integer.parseInt(args[0]); i++) {
|
|
heapGarbage.add(new byte[1024]);
|
|
}
|
|
}
|
|
|
|
}
|