Package org.plumelib.util

Class SystemPlume.GcHistoryItem

java.lang.Object

org.plumelib.util.SystemPlume.GcHistoryItem

Enclosing class:

SystemPlume

private static class SystemPlume.GcHistoryItem
extends Object

A triple of (timestamp, collection time, subsequent timestamp).

Field Summary

Fields

Modifier and Type	Field	Description
(package private) long	collectionTime	The cumulative collection time in milliseconds.
(package private) long	subsequentTimestamp	When the subsequent collection happened.
(package private) long	timestamp	When the collection happened.

Constructor Summary

Constructors

Constructor	Description
GcHistoryItem(long timestamp, long collectionTime)	Creates a new GcHistoryItem.

Method Summary

Methods inherited from class java.lang.Object

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

Field Details

timestamp

long timestamp

When the collection happened. An epoch second.

collectionTime

long collectionTime

The cumulative collection time in milliseconds.

subsequentTimestamp

long subsequentTimestamp

When the subsequent collection happened. It is 0 until after the subsequent collection occurs. The purpose of this field is to avoid the need for a peek2() method on deque.

Constructor Details

GcHistoryItem

GcHistoryItem(long timestamp,
 long collectionTime)

Creates a new GcHistoryItem.

Parameters:

timestamp - when the collection happened; an epoch second

collectionTime - the collection time in milliseconds