com.sun.faban.driver.engine
Class RuntimeMetrics

java.lang.Object
  com.sun.faban.driver.engine.RuntimeMetrics

All Implemented Interfaces:

PairwiseAggregator.Aggregable<RuntimeMetrics>, Serializable

public class RuntimeMetrics
extends Object
implements Serializable, PairwiseAggregator.Aggregable<RuntimeMetrics>

The runtime metrics is used for communicating runtime stats from the agents to the master.

Author:

akara

See Also:

Serialized Form

Field Summary

static int	C_ERRORS Index for current error rate label.
static int	C_RESP Index for current response time label.
static int	C_RESP90 Index for current 90th% response time label.
static int	C_SD Index for current standard deviation label.
static int	C_THRUPUT Index for current thruput label.
protected long	coarseRespBucketSize Size of the coarse response time buckets.
protected long	coarseRespHistMax Max coarse response time.
protected int[]	errCntStdy Number of failed transactions during steady state.
protected int[]	errCntTotal Number of failed transactions total.
protected long	fineRespBucketSize Size of the fine response time buckets.
protected long	fineRespHistMax Max fine response time.
protected double[]	hiRespSumStdy Sum of the overflow response time.
static String[]	LABELS The output labels for the runtime metrics.
static int	O_RESP Index for overall response time label.
static int	O_RESP90 Index for overall 90th% response time label.
static int	O_SD Index for overall standard deviation label.
static int	O_THRUPUT Index for overall thruput label.
protected int[][]	respHist Response time histogram.
protected double[]	respSumStdy Sum of response times during steady state.
protected double[]	respSumTotal Sum of response times total.
protected double[]	sumSquaresStdy The sum squares of the deviations in steady state.
protected double[]	sumSquaresTotal The sum squares of the deviations total.
protected int[]	txCntStdy Number of successful transactions during steady state.
protected int[]	txCntTotal Number of successful transactions total.

Method Summary

void	add(Metrics m) Adds a metrics to this RuntimeMetrics.
void	add(RuntimeMetrics m) Adds a metrics to this RuntimeMetrics.
void	copy(Metrics m) Copies the necessary members of Metrics into this RuntimeMetrics.
double[][]	getResults(RunInfo runInfo, RuntimeMetrics prev) Synthesizes and provides the results from this runtime stats.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

C_THRUPUT

public static final int C_THRUPUT

Index for current thruput label.

See Also:

Constant Field Values

O_THRUPUT

public static final int O_THRUPUT

Index for overall thruput label.

See Also:

Constant Field Values

C_ERRORS

public static final int C_ERRORS

Index for current error rate label.

See Also:

Constant Field Values

C_RESP

public static final int C_RESP

Index for current response time label.

See Also:

Constant Field Values

O_RESP

public static final int O_RESP

Index for overall response time label.

See Also:

Constant Field Values

C_SD

public static final int C_SD

Index for current standard deviation label.

See Also:

Constant Field Values

O_SD

public static final int O_SD

Index for overall standard deviation label.

See Also:

Constant Field Values

C_RESP90

public static final int C_RESP90

Index for current 90th% response time label.

See Also:

Constant Field Values

O_RESP90

public static final int O_RESP90

Index for overall 90th% response time label.

See Also:

Constant Field Values

LABELS

public static final String[] LABELS

The output labels for the runtime metrics.

fineRespBucketSize

protected long fineRespBucketSize

Size of the fine response time buckets.

coarseRespBucketSize

protected long coarseRespBucketSize

Size of the coarse response time buckets.

fineRespHistMax

protected long fineRespHistMax

Max fine response time.

coarseRespHistMax

protected long coarseRespHistMax

Max coarse response time.

txCntStdy

protected int[] txCntStdy

Number of successful transactions during steady state. This is used for final reporting and in-flight reporting of averages.

txCntTotal

protected int[] txCntTotal

Number of successful transactions total. This is used for in-flight reporting only.

errCntStdy

protected int[] errCntStdy

Number of failed transactions during steady state. This is used for final reporting and in-flight reporting of averages.

errCntTotal

protected int[] errCntTotal

Number of failed transactions total. This is used for in-flight reporting only.

respSumStdy

protected double[] respSumStdy

Sum of response times during steady state.

respSumTotal

protected double[] respSumTotal

Sum of response times total.

hiRespSumStdy

protected double[] hiRespSumStdy

Sum of the overflow response time.

sumSquaresStdy

protected double[] sumSquaresStdy

The sum squares of the deviations in steady state.

sumSquaresTotal

protected double[] sumSquaresTotal

The sum squares of the deviations total.

respHist

protected int[][] respHist

Response time histogram.

Method Detail

copy

public void copy(Metrics m)

Copies the necessary members of Metrics into this RuntimeMetrics.

Parameters:

m - The metrics to copy

add

public void add(Metrics m)

Adds a metrics to this RuntimeMetrics.

Parameters:

m - The metrics to add

add

public void add(RuntimeMetrics m)

Adds a metrics to this RuntimeMetrics.

Specified by:

add in interface PairwiseAggregator.Aggregable<RuntimeMetrics>

Parameters:

m - The metrics to add

toString

public String toString()

Overrides:

toString in class Object

getResults

public double[][] getResults(RunInfo runInfo,
                             RuntimeMetrics prev)

Synthesizes and provides the results from this runtime stats. The results are first indexed by the stat type, then by the tx type.

Parameters:

runInfo - The RunInfo for this benchmark run

prev - The previous RuntimeMetrics

Returns:

The synthesized results