org.openjdk.jmc.flightrecorder.rules.jdk.memory

Class GcFreedRatioRule

java.lang.Object

org.openjdk.jmc.flightrecorder.rules.AbstractRule

org.openjdk.jmc.flightrecorder.rules.jdk.memory.GcFreedRatioRule

All Implemented Interfaces:

org.openjdk.jmc.flightrecorder.rules.IRule

public class GcFreedRatioRule
extends org.openjdk.jmc.flightrecorder.rules.AbstractRule

Rule that checks how much memory was freed per second, and compares that to the liveset. Calculations are done in time windows. Rule is designed to only require the GCHeapSummary event.

Field Summary

Fields

Modifier and Type	Field and Description
static org.openjdk.jmc.common.util.TypedPreference<org.openjdk.jmc.common.unit.IQuantity>	FEW_GCS_LIMIT
static org.openjdk.jmc.common.util.TypedPreference<org.openjdk.jmc.common.unit.IQuantity>	WINDOW_SIZE

Fields inherited from class org.openjdk.jmc.flightrecorder.rules.AbstractRule

evaluationTask

Constructor Summary

Constructors

Constructor and Description
GcFreedRatioRule()

Method Summary

Modifier and Type	Method and Description
protected org.openjdk.jmc.flightrecorder.rules.Result	getResult(org.openjdk.jmc.common.item.IItemCollection items, org.openjdk.jmc.common.util.IPreferenceValueProvider vp)

Methods inherited from class org.openjdk.jmc.flightrecorder.rules.AbstractRule

evaluate, getConfigurationAttributes, getId, getName, getTopic

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

WINDOW_SIZE

public static final org.openjdk.jmc.common.util.TypedPreference<org.openjdk.jmc.common.unit.IQuantity> WINDOW_SIZE

FEW_GCS_LIMIT

public static final org.openjdk.jmc.common.util.TypedPreference<org.openjdk.jmc.common.unit.IQuantity> FEW_GCS_LIMIT

Constructor Detail

GcFreedRatioRule

public GcFreedRatioRule()

Method Detail

getResult

protected org.openjdk.jmc.flightrecorder.rules.Result getResult(org.openjdk.jmc.common.item.IItemCollection items,
                                                                org.openjdk.jmc.common.util.IPreferenceValueProvider vp)

Specified by:

getResult in class org.openjdk.jmc.flightrecorder.rules.AbstractRule