/**
* Copyright 2013 Alexey Ragozin
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.gridkit.jvmtool.cmd;
import javax.management.MBeanServerConnection;
import org.gridkit.jvmtool.JmxConnectionInfo;
import org.gridkit.jvmtool.MBeanGCMonitor;
import org.gridkit.jvmtool.SJK;
import org.gridkit.jvmtool.SJK.CmdRef;
import com.beust.jcommander.ParametersDelegate;
/**
* GC reporter command.
*
* @author Alexey Ragozin (alexey.ragozin@gmail.com)
*/
public class GcRepCmd implements CmdRef {
@Override
public String getCommandName() {
return "gc";
}
@Override
public Runnable newCommand(SJK host) {
return new GcRep(host);
}
public static class GcRep implements Runnable {
@SuppressWarnings("unused")
@ParametersDelegate
private SJK host;
@ParametersDelegate
private JmxConnectionInfo conn = new JmxConnectionInfo();
public GcRep(SJK host) {
this.host = host;
}
@Override
public void run() {
try {
MBeanServerConnection mserver = conn.getMServer();
System.out.println("MBean server connected");
MBeanGCMonitor rmon = new MBeanGCMonitor(mserver);
MBeanGCMonitor pmon = new MBeanGCMonitor(mserver);
final MBeanGCMonitor fmon = new MBeanGCMonitor(mserver);
Thread freport = new Thread() {
@Override
public void run() {
System.out.println("\nTotal");
System.out.println(fmon.calculateStats());
}
};
Runtime.getRuntime().addShutdownHook(freport);
long interval = 60000;
long deadline = System.currentTimeMillis() + interval;
System.out.println("Collecting GC stats ...");
while(true) {
while(System.currentTimeMillis() < deadline) {
String report = rmon.reportCollection();
if (report.length() > 0) {
System.out.println(report);
}
Thread.sleep(50);
}
deadline += interval;
System.out.println();
System.out.println(pmon.calculateStats());
System.out.println();
pmon = new MBeanGCMonitor(mserver);
if (System.in.available() > 0) {
return;
}
}
} catch (Exception e) {
SJK.fail(e.toString());
}
}
}
}