com.yahoo.search.statistics

Class TimeTracker

java.lang.Object

com.yahoo.search.statistics.TimeTracker

public final class TimeTracker
extends Object

A container for storing time stamps throughout the lifetime of an Execution instance.

Check state both when entering and exiting, to allow for arbitrary new queries anywhere inside a search chain.

Author:

Steinar Knutsen

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TimeTracker.Activity
(package private) static class	TimeTracker.SearcherTimer
(package private) static class	TimeTracker.State
(package private) static class	TimeTracker.Tag
(package private) static class	TimeTracker.TimeSource

Field Summary

Fields

Modifier and Type	Field and Description
private int	entryIndex
private boolean	invoking
private long	last
private com.yahoo.component.chain.Chain<? extends com.yahoo.processing.Processor>	searchChain
private TimeTracker.SearcherTimer[]	searcherTracking
private TimeTracker.State	state
private List<TimeTracker.Tag>	tags
(package private) TimeTracker.TimeSource	timeSource

Constructor Summary

Constructors

Constructor and Description
TimeTracker(com.yahoo.component.chain.Chain<? extends com.yahoo.processing.Processor> searchChain, int entryIndex)
TimeTracker(com.yahoo.component.chain.Chain<? extends Searcher> searchChain)

Method Summary

Modifier and Type	Method and Description
private void	concludeState(long now)
private void	concludeStateOnExit(long now)
private long	detailedMeasurements(int searcherIndex, boolean calledAsInvoking)
private void	enteringState(int searcherIndex, boolean detailed, TimeTracker.Activity activity)
private long	fetchTime(TimeTracker.Activity filter, TimeTracker.Tag container)
long	fillTime()
long	first()
long	firstFill()
private TimeTracker.Activity	getActivity()
private ElapsedTime	getElapsedTime(Pong p)
private ElapsedTime	getElapsedTime(Result r)
private long	getNow()
private TimeTracker.SearcherTimer	getPreviouslyRunSearcher(int searcherIndex, boolean calledAsInvoking)
private void	initBreakdown()
private void	initNewState(long now, TimeTracker.Activity activity)
(package private) void	injectTimeSource(TimeTracker.TimeSource source)
private boolean	isNewState(TimeTracker.Activity callPath)
long	last()
long	pingTime()
private long	returnFromState(int searcherIndex, boolean detailed)
void	sampleFill(int searcherIndex, boolean detailed)
void	sampleFillReturn(int searcherIndex, boolean detailed, Result annotationReference)
void	samplePing(int searcherIndex, boolean detailed)
void	samplePingReturn(int searcherIndex, boolean detailed, Pong annotationReference)
private void	sampleReturn(int searcherIndex, boolean detailed, ElapsedTime elapsed)
void	sampleSearch(int searcherIndex, boolean detailed)
void	sampleSearchReturn(int searcherIndex, boolean detailed, Result annotationReference)
(package private) TimeTracker.SearcherTimer[]	searcherTracking()
long	searchTime()
long	totalTime()
private long	typedSum(TimeTracker.Activity activity)

Methods inherited from class java.lang.Object

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

Field Detail

state

private TimeTracker.State state

tags

private List<TimeTracker.Tag> tags

searcherTracking

private TimeTracker.SearcherTimer[] searcherTracking

searchChain

private final com.yahoo.component.chain.Chain<? extends com.yahoo.processing.Processor> searchChain

invoking

private boolean invoking

last

private long last

entryIndex

private final int entryIndex

timeSource

TimeTracker.TimeSource timeSource

Constructor Detail

TimeTracker

public TimeTracker(com.yahoo.component.chain.Chain<? extends Searcher> searchChain)

TimeTracker

public TimeTracker(com.yahoo.component.chain.Chain<? extends com.yahoo.processing.Processor> searchChain,
                   int entryIndex)

Method Detail

concludeState

private void concludeState(long now)

concludeStateOnExit

private void concludeStateOnExit(long now)

detailedMeasurements

private long detailedMeasurements(int searcherIndex,
                                  boolean calledAsInvoking)

enteringState

private void enteringState(int searcherIndex,
                           boolean detailed,
                           TimeTracker.Activity activity)

fetchTime

private long fetchTime(TimeTracker.Activity filter,
                       TimeTracker.Tag container)

fillTime

public long fillTime()

first

public long first()

firstFill

public long firstFill()

getActivity

private TimeTracker.Activity getActivity()

getNow

private long getNow()

getPreviouslyRunSearcher

private TimeTracker.SearcherTimer getPreviouslyRunSearcher(int searcherIndex,
                                                           boolean calledAsInvoking)

initBreakdown

private void initBreakdown()

initNewState

private void initNewState(long now,
                          TimeTracker.Activity activity)

injectTimeSource

void injectTimeSource(TimeTracker.TimeSource source)

isNewState

private boolean isNewState(TimeTracker.Activity callPath)

last

public long last()

pingTime

public long pingTime()

returnFromState

private long returnFromState(int searcherIndex,
                             boolean detailed)

sampleFill

public void sampleFill(int searcherIndex,
                       boolean detailed)

sampleFillReturn

public void sampleFillReturn(int searcherIndex,
                             boolean detailed,
                             Result annotationReference)

samplePing

public void samplePing(int searcherIndex,
                       boolean detailed)

samplePingReturn

public void samplePingReturn(int searcherIndex,
                             boolean detailed,
                             Pong annotationReference)

sampleSearch

public void sampleSearch(int searcherIndex,
                         boolean detailed)

sampleSearchReturn

public void sampleSearchReturn(int searcherIndex,
                               boolean detailed,
                               Result annotationReference)

sampleReturn

private void sampleReturn(int searcherIndex,
                          boolean detailed,
                          ElapsedTime elapsed)

getElapsedTime

private ElapsedTime getElapsedTime(Result r)

getElapsedTime

private ElapsedTime getElapsedTime(Pong p)

searcherTracking

TimeTracker.SearcherTimer[] searcherTracking()

searchTime

public long searchTime()

totalTime

public long totalTime()

typedSum

private long typedSum(TimeTracker.Activity activity)