io.aeron.driver.status

Class DutyCycleStallTracker

java.lang.Object

io.aeron.driver.DutyCycleTracker

io.aeron.driver.status.DutyCycleStallTracker

public class DutyCycleStallTracker
extends DutyCycleTracker

Duty cycle tracker that detects when a cycle exceeds a threshold and tracks max cycle time reporting both through counters.

Constructor Summary

Constructors

Constructor and Description
DutyCycleStallTracker(AtomicCounter maxCycleTime, AtomicCounter cycleTimeThresholdExceededCount, long cycleTimeThresholdNs) Create a tracker to track max cycle time and excesses of a threshold.

Method Summary

Modifier and Type	Method and Description
AtomicCounter	cycleTimeThresholdExceededCount() Get threshold exceeded counter.
long	cycleTimeThresholdNs() Get threshold value.
AtomicCounter	maxCycleTime() Get max cycle time counter.
void	reportMeasurement(long durationNs) Callback called to report duration of cycle.

Methods inherited from class io.aeron.driver.DutyCycleTracker

measureAndUpdate, toString, update

Methods inherited from class java.lang.Object

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

Constructor Detail

DutyCycleStallTracker

public DutyCycleStallTracker(AtomicCounter maxCycleTime,
                             AtomicCounter cycleTimeThresholdExceededCount,
                             long cycleTimeThresholdNs)

Create a tracker to track max cycle time and excesses of a threshold.

Parameters:

maxCycleTime - counter for tracking.

cycleTimeThresholdExceededCount - counter for tracking.

cycleTimeThresholdNs - to use for tracking excesses.

Method Detail

maxCycleTime

public AtomicCounter maxCycleTime()

Get max cycle time counter.

Returns:

max cycle time counter.

cycleTimeThresholdExceededCount

public AtomicCounter cycleTimeThresholdExceededCount()

Get threshold exceeded counter.

Returns:

threshold exceeded counter.

cycleTimeThresholdNs

public long cycleTimeThresholdNs()

Get threshold value.

Returns:

threshold value.

reportMeasurement

public void reportMeasurement(long durationNs)

Callback called to report duration of cycle.

Overrides:

reportMeasurement in class DutyCycleTracker

Parameters:

durationNs - of the duty cycle.