seda.sandStorm.internal
Class StageStats

java.lang.Object
  |
  +--seda.sandStorm.internal.StageStats

All Implemented Interfaces:

StageStatsIF

public class StageStats

extends java.lang.Object

implements StageStatsIF

This class provides controllers with a view of statistics gathered by the stage internally during execution.

Author:

Matt Welsh

Field Summary

(package private) StageWrapperIF

stage

Constructor Summary

StageStats(StageWrapperIF stage)

Method Summary

double	get90thRT() Get 90th percentile response time in msec.
double	getServiceRate() Return a moving average of the service rate.
long	getTotalEvents() Get total number of processed events.
void	record90thRT(double rt_sample) Record 90th percentile response time in msec.
void	recordServiceRate(int numEvents, long time) Record the service time for numEvents taking 'time' msec to be processed.
void	reset() Reset all statistics.

Methods inherited from class java.lang.Object

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

Field Detail

stage

StageWrapperIF stage

Constructor Detail

StageStats

public StageStats(StageWrapperIF stage)

Method Detail

reset

public void reset()

Reset all statistics.

Specified by:

reset in interface StageStatsIF

getServiceRate

public double getServiceRate()

Return a moving average of the service rate.

Specified by:

getServiceRate in interface StageStatsIF

getTotalEvents

public long getTotalEvents()

Get total number of processed events.

Specified by:

getTotalEvents in interface StageStatsIF

recordServiceRate

public void recordServiceRate(int numEvents,
                              long time)

Record the service time for numEvents taking 'time' msec to be processed.

Specified by:

recordServiceRate in interface StageStatsIF

record90thRT

public void record90thRT(double rt_sample)

Record 90th percentile response time in msec.

Specified by:

record90thRT in interface StageStatsIF

get90thRT

public double get90thRT()

Get 90th percentile response time in msec.

Specified by:

get90thRT in interface StageStatsIF