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package org.glassfish.admin.monitor.jvm;
import java.lang.management.CompilationMXBean;
import java.lang.management.ManagementFactory;
import org.glassfish.external.statistics.CountStatistic;
import org.glassfish.external.statistics.impl.CountStatisticImpl;
import org.glassfish.external.statistics.StringStatistic;
import org.glassfish.external.statistics.impl.StringStatisticImpl;
import org.glassfish.gmbal.Description;
import org.glassfish.gmbal.AMXMetadata;
import org.glassfish.gmbal.ManagedAttribute;
import org.glassfish.gmbal.ManagedObject;
/* jvm.compilation-system */
// v2 mbean: com.sun.appserv:name=compilation-system,type=compilation-system,category=monitor,server=server
// v3 mbean:
@AMXMetadata(type="compilation-system-mon", group="monitoring")
@ManagedObject
@Description( "JVM Compilation Statistics" )
public class JVMCompilationStatsProvider {
private CompilationMXBean compBean = ManagementFactory.getCompilationMXBean();
private StringStatisticImpl compilerName = new StringStatisticImpl("Name", "String",
"Name of the Just-in-time (JIT) compiler" );
private CountStatisticImpl totalCompilationTime = new CountStatisticImpl(
"TotalCompilationTime", CountStatisticImpl.UNIT_MILLISECOND,
"Approximate accumlated elapsed time (in milliseconds) spent in compilation" );
@ManagedAttribute(id="name-current")
@Description( "name of the Just-in-time (JIT) compiler" )
public StringStatistic getCompilerName() {
compilerName.setCurrent(compBean.getName());
return compilerName;
}
@ManagedAttribute(id="totalcompilationtime-current")
@Description( "approximate accumlated elapsed time (in milliseconds) spent in compilation" )
public CountStatistic getTotalCompilationTime() {
totalCompilationTime.setCount(compBean.getTotalCompilationTime());
return totalCompilationTime;
}
}