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*
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* 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).
*
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package com.sun.tools.visualvm.modules.tracer.monitor;
import com.sun.tools.visualvm.application.jvm.Jvm;
import com.sun.tools.visualvm.application.jvm.MonitoredData;
import com.sun.tools.visualvm.modules.tracer.ItemValueFormatter;
import com.sun.tools.visualvm.modules.tracer.ProbeItemDescriptor;
import com.sun.tools.visualvm.modules.tracer.TracerProbeDescriptor;
import javax.swing.Icon;
/**
*
* @author Jiri Sedlacek
*/
class PermgenMonitorProbe extends MonitorProbe {
private static final String NAME = "PermGen";
private static final String DESCR = "Monitors allocated and used PermGen size.";
private static final int POSITION = 30;
PermgenMonitorProbe(MonitoredDataResolver resolver) {
super(2, createItemDescriptors(), resolver);
}
long[] getValues(MonitoredData data) {
return new long[] {
data.getGenCapacity()[1],
data.getGenUsed()[1]
};
}
static final TracerProbeDescriptor createDescriptor(Icon icon, boolean available,
Jvm jvm) {
return new TracerProbeDescriptor(NAME, DESCR, icon, POSITION, available &&
jvm.isMemoryMonitoringSupported());
}
private static final ProbeItemDescriptor[] createItemDescriptors() {
return new ProbeItemDescriptor[] {
ProbeItemDescriptor.continuousLineFillItem("Size",
"Monitors current PermGen size", ItemValueFormatter.DEFAULT_BYTES,
1d, 0, 10 * 1024 * 1024),
ProbeItemDescriptor.continuousLineFillItem("Used",
"Monitors currently used PermGen", ItemValueFormatter.DEFAULT_BYTES,
1d, 0, 10 * 1024 * 1024)
};
}
}