/*
* Copyright (c) 2011, 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.
*/
package demo;
import com.sun.max.unsafe.*;
import com.sun.max.vm.runtime.*;
import com.sun.max.vm.thread.*;
/**
* The example in the Wiki.
*/
public class ExampleVmOperationDemo extends VmOperation {
private static boolean systemThreads;
public ExampleVmOperationDemo() {
super("ExampleGCDemo", null, Mode.Safepoint);
}
@Override
protected boolean operateOnThread(VmThread vmThread) {
if (!systemThreads) {
return vmThread.javaThread().getThreadGroup() != VmThread.systemThreadGroup;
} else {
return true;
}
}
@Override
public void doThread(VmThread vmThread, Pointer ip, Pointer sp, Pointer fp) {
System.out.println("Thread " + vmThread.getName() + " is stopped at 0x" + Long.toHexString(ip.toLong()));
}
public static void main(String[] args) {
for (int i = 0; i < args.length; i++) {
String arg = args[i];
if (arg.equals("-sys")) {
systemThreads = true;
}
}
new ExampleVmOperationDemo().submit();
}
}