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A

addIntervalHistogramTo(Histogram) - Method in class org.LatencyUtils.LatencyStats

Add the values value counts accumulated since the last interval histogram was taken into toHistogram.

addListener(PauseDetectorListener) - Method in class org.LatencyUtils.PauseDetector

Add a PauseDetectorListener listener to be notified when pauses are detected.

addListener(PauseDetectorListener, boolean) - Method in class org.LatencyUtils.PauseDetector

Add a PauseDetectorListener listener to be notified when pauses are detected Listener will be added to either the normal priority or high priority listeners list,

B

build() - Method in class org.LatencyUtils.LatencyStats.Builder

Builder() - Constructor for class org.LatencyUtils.LatencyStats.Builder

C

count - Variable in class org.LatencyUtils.MovingAverageIntervalEstimator

create() - Static method in class org.LatencyUtils.LatencyStats.Builder

currentTimeMillis() - Static method in class org.LatencyUtils.TimeServices

G

getCurrentPosition() - Method in class org.LatencyUtils.MovingAverageIntervalEstimator

getDefaultPauseDetector() - Static method in class org.LatencyUtils.LatencyStats

Get the current default pause detector which will be used by newly constructed LatencyStats instances when the constructor is not explicitly provided with one.

getEstimatedInterval(long) - Method in class org.LatencyUtils.IntervalEstimator

Provides the estimated interval

getEstimatedInterval(long) - Method in class org.LatencyUtils.MovingAverageIntervalEstimator

getEstimatedInterval(long) - Method in class org.LatencyUtils.TimeCappedMovingAverageIntervalEstimator

getIntervalEstimator() - Method in class org.LatencyUtils.LatencyStats

get the IntervalEstimator used by this LatencyStats object

getIntervalHistogram() - Method in class org.LatencyUtils.LatencyStats

Get a new interval histogram which will include the value counts accumulated since the last interval histogram was taken.

getIntervalHistogramInto(Histogram) - Method in class org.LatencyUtils.LatencyStats

Place a copy of the value counts accumulated since the last interval histogram was taken into targetHistogram.

getLatestUncorrectedIntervalHistogram() - Method in class org.LatencyUtils.LatencyStats

Get a copy of the uncorrected latest interval latency histogram.

getLatestUncorrectedIntervalHistogramInto(Histogram) - Method in class org.LatencyUtils.LatencyStats

Place a copy of the values of the latest uncorrected interval latency histogram.

getPauseDetector() - Method in class org.LatencyUtils.LatencyStats

get the PauseDetector used by this LatencyStats object

H

handlePauseEvent(long, long) - Method in interface org.LatencyUtils.PauseDetectorListener

handle a pause event notification.

highestTrackableLatency(long) - Method in class org.LatencyUtils.LatencyStats.Builder

I

intervalEndTimes - Variable in class org.LatencyUtils.MovingAverageIntervalEstimator

IntervalEstimator - Class in org.LatencyUtils

IntervalEstimator is used to estimate intervals, potentially based on observed intervals recorded in it.

IntervalEstimator() - Constructor for class org.LatencyUtils.IntervalEstimator

intervalEstimatorTimeCap(long) - Method in class org.LatencyUtils.LatencyStats.Builder

intervalEstimatorWindowLength(int) - Method in class org.LatencyUtils.LatencyStats.Builder

L

LatencyStats - Class in org.LatencyUtils

LatencyStats objects are used to track and report on the behavior of latencies across measurements.

LatencyStats() - Constructor for class org.LatencyUtils.LatencyStats

Create a LatencyStats object with default settings.
use the default pause detector (supplied separately set using LatencyStats.setDefaultPauseDetector(org.LatencyUtils.PauseDetector), which will itself default to a SimplePauseDetector if not explicitly supplied) use a default histogram update interval (1 sec) use a default histogram range and accuracy (1 usec to 1hr, 2 decimal points of accuracy) and use a default moving window estimator (1024 entry moving window, time capped at 10 seconds)

LatencyStats(long, long, int, int, long, PauseDetector) - Constructor for class org.LatencyUtils.LatencyStats

LatencyStats.Builder - Class in org.LatencyUtils

A fluent API builder class for creating LatencyStats objects.

lowestTrackableLatency(long) - Method in class org.LatencyUtils.LatencyStats.Builder

M

moveTimeForward(long) - Static method in class org.LatencyUtils.TimeServices

moveTimeForwardMsec(long) - Static method in class org.LatencyUtils.TimeServices

MovingAverageIntervalEstimator - Class in org.LatencyUtils

A moving average interval estimator.

MovingAverageIntervalEstimator(int) - Constructor for class org.LatencyUtils.MovingAverageIntervalEstimator

N

nanoTime() - Static method in class org.LatencyUtils.TimeServices

notifyListeners(long, long) - Method in class org.LatencyUtils.PauseDetector

Notify listeners about a pause

numberOfSignificantValueDigits(int) - Method in class org.LatencyUtils.LatencyStats.Builder

O

org.LatencyUtils - package org.LatencyUtils

A latency stats tracking package

P

pauseDetector(PauseDetector) - Method in class org.LatencyUtils.LatencyStats.Builder

PauseDetector - Class in org.LatencyUtils

A PauseDetector detects pauses and reports them to registered listeners

PauseDetector() - Constructor for class org.LatencyUtils.PauseDetector

PauseDetectorListener - Interface in org.LatencyUtils

Accepts pause notification events.

R

recordInterval(long) - Method in class org.LatencyUtils.IntervalEstimator

Record an interval

recordInterval(long) - Method in class org.LatencyUtils.MovingAverageIntervalEstimator

recordInterval(long) - Method in class org.LatencyUtils.TimeCappedMovingAverageIntervalEstimator

recordLatency(long) - Method in class org.LatencyUtils.LatencyStats

Record a latency value in the LatencyStats object

removeListener(PauseDetectorListener) - Method in class org.LatencyUtils.PauseDetector

Remove a PauseDetectorListener

S

scheduleAtFixedRate(Runnable, long, long, TimeUnit) - Method in class org.LatencyUtils.TimeServices.ScheduledExecutor

setCurrentTime(long) - Static method in class org.LatencyUtils.TimeServices

setDefaultPauseDetector(PauseDetector) - Static method in class org.LatencyUtils.LatencyStats

Set the default pause detector for the LatencyStats class.

setVerbose(boolean) - Method in class org.LatencyUtils.SimplePauseDetector

shutdown() - Method in class org.LatencyUtils.PauseDetector

Stop execution of this pause detector

shutdown() - Method in class org.LatencyUtils.SimplePauseDetector

Shut down the pause detector operation and terminate it's threads.

shutdown() - Method in class org.LatencyUtils.TimeServices.ScheduledExecutor

SimplePauseDetector - Class in org.LatencyUtils

A Simple PauseDetector that detects pauses using a consensus observation across a configurable number of detection thread.

SimplePauseDetector(long, long, int) - Constructor for class org.LatencyUtils.SimplePauseDetector

Creates a SimplePauseDetector

SimplePauseDetector(long, long, int, boolean) - Constructor for class org.LatencyUtils.SimplePauseDetector

Creates a SimplePauseDetector

SimplePauseDetector() - Constructor for class org.LatencyUtils.SimplePauseDetector

Creates a SimplePauseDetector with a default sleep interval (1 msec), a default pause notification threshold (1 msec), and using the default number of consensus detection threads (3).

skipConsensusTimeTo(long) - Method in class org.LatencyUtils.SimplePauseDetector

A test method that allows the caller to artificially move the consensus observed time forward without causing a pause to be detected as a result of the time skip.

sleepMsecs(long) - Static method in class org.LatencyUtils.TimeServices

sleepNanos(long) - Static method in class org.LatencyUtils.TimeServices

stallDetectorThreads(long, long) - Method in class org.LatencyUtils.SimplePauseDetector

A test method that allows the caller to artificially stall a requested set of the detector threads for a given amount of time.

stop() - Method in class org.LatencyUtils.LatencyStats

Stop operation of this LatencyStats object, removing it from the pause detector's notification list

stop() - Method in class org.LatencyUtils.TimeCappedMovingAverageIntervalEstimator

Stop the tracking via the pauseDetector, and remove this estimator from the pause detector's listeners.

T

TimeCappedMovingAverageIntervalEstimator - Class in org.LatencyUtils

A moving average interval estimator with a cap on the time window length that the moving window must completely fit in in order to provide estimated time intervals.

TimeCappedMovingAverageIntervalEstimator(int, long) - Constructor for class org.LatencyUtils.TimeCappedMovingAverageIntervalEstimator

TimeCappedMovingAverageIntervalEstimator(int, long, PauseDetector) - Constructor for class org.LatencyUtils.TimeCappedMovingAverageIntervalEstimator

TimeServices - Class in org.LatencyUtils

Provide an API for time-related service, such as getting the current time and waiting for a given period of time.

TimeServices() - Constructor for class org.LatencyUtils.TimeServices

TimeServices.ScheduledExecutor - Class in org.LatencyUtils

toString() - Method in class org.LatencyUtils.TimeCappedMovingAverageIntervalEstimator

U

useActualTime - Static variable in class org.LatencyUtils.TimeServices

W

waitUntilTime(long) - Static method in class org.LatencyUtils.TimeServices

windowLength - Variable in class org.LatencyUtils.MovingAverageIntervalEstimator

windowMagnitude - Variable in class org.LatencyUtils.MovingAverageIntervalEstimator

windowMask - Variable in class org.LatencyUtils.MovingAverageIntervalEstimator

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