Package io.deephaven.util

Class BenchmarkUtils.GcTimeStopWatch

java.lang.Object

io.deephaven.util.BenchmarkUtils.GcTimeStopWatch

Enclosing class:

BenchmarkUtils

public static class BenchmarkUtils.GcTimeStopWatch
extends Object

Constructor Summary

Constructors

Constructor	Description
GcTimeStopWatch()

Method Summary

Modifier and Type	Method	Description
long	getCollectionCount()	Get the number of GC collections between the last start and stop state transitions.
long	getCollectionTimeMs()	Get the number of milliseconds spent in GC between the last start and stop state transitions.
double	getCollectionTimePercentage()	Get the percentage of the ellapsed time spent in collections between the last start and stop state transitions.
void	resetAndStart()
void	stopAndSample()

Methods inherited from class java.lang.Object

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

Constructor Details

GcTimeStopWatch

public GcTimeStopWatch()

Method Details

resetAndStart

public void resetAndStart()

stopAndSample

public void stopAndSample()

getCollectionCount

public long getCollectionCount()

Get the number of GC collections between the last start and stop state transitions.

Returns:

the number of GC collections between the last start and stop state transitions.

getCollectionTimeMs

public long getCollectionTimeMs()

Get the number of milliseconds spent in GC between the last start and stop state transitions.

Returns:

the number of milliseconds spent in GC between the last start and stop state transitions.

getCollectionTimePercentage

public double getCollectionTimePercentage()

Get the percentage of the ellapsed time spent in collections between the last start and stop state transitions.

Returns:

the percentage of the ellapsed time spent in collections between the last start and stop state transitions.