/*
* Copyright (c) 2004, 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 sun.jvm.hotspot.tools;
import java.io.*;
import sun.jvm.hotspot.runtime.*;
public class JSnap extends Tool {
public void run() {
final PrintStream out = System.out;
if (PerfMemory.initialized()) {
PerfDataPrologue prologue = PerfMemory.prologue();
if (prologue.accessible()) {
PerfMemory.iterate(new PerfMemory.PerfDataEntryVisitor() {
public boolean visit(PerfDataEntry pde) {
if (pde.supported()) {
out.print(pde.name());
out.print('=');
out.println(pde.valueAsString());
}
// goto next entry
return true;
}
});
} else {
out.println("PerfMemory is not accessible");
}
} else {
out.println("PerfMemory is not initialized");
}
}
public static void main(String[] args) {
JSnap js = new JSnap();
js.start(args);
js.stop();
}
}