org.jruby.runtime.profile.builtin

Class ProfileData

java.lang.Object

org.jruby.runtime.profile.builtin.ProfileData

All Implemented Interfaces:

ProfileCollection

public class ProfileData
extends Object
implements ProfileCollection

Encapsulates the logic of recording and reporting profiled timings of method invocations. This keeps track of aggregate values for callers and callees of each method.

See Also:

ProfilingDynamicMethod

Constructor Summary

Constructors

Constructor and Description
ProfileData(ThreadContext tc)

Method Summary

Methods

Modifier and Type	Method and Description
void	clear() Clear the gathered profiling (invocation) data.
Invocation	computeResults() Compute the profiling results from gathered data.
protected void	decRecursionFor(int serial)
Invocation	getCurrentInvocation()
ThreadContext	getThreadContext()
Invocation	getTopInvocation()
protected int	incRecursionFor(int serial)
void	profileEnter(long calledMethod) Begin profiling a new method, aggregating the current time diff in the previous method's profile slot.
void	profileExit(long callingMethod, long startTime) Fall back to previously profiled method after current method has returned.
long	totalTime()

Methods inherited from class java.lang.Object

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

Constructor Detail

ProfileData

public ProfileData(ThreadContext tc)

Method Detail

profileEnter

public void profileEnter(long calledMethod)

Begin profiling a new method, aggregating the current time diff in the previous method's profile slot.

Specified by:

profileEnter in interface ProfileCollection

Parameters:

calledMethod - the serial number of the next method to profile

profileExit

public void profileExit(long callingMethod,
               long startTime)

Fall back to previously profiled method after current method has returned.

Specified by:

profileExit in interface ProfileCollection

Parameters:

callingMethod - the serial number of the next method to profile

startTime - the nano timestamp at which the given callingMethod was entered

clear

public void clear()

Clear the gathered profiling (invocation) data.

totalTime

public long totalTime()

getTopInvocation

public Invocation getTopInvocation()

Returns:

the topInvocation

getCurrentInvocation

public Invocation getCurrentInvocation()

Returns:

the currentInvocation

getThreadContext

public ThreadContext getThreadContext()

Returns:

the threadContext

computeResults

public Invocation computeResults()

Compute the profiling results from gathered data.

Returns:

the top invocation

decRecursionFor

protected void decRecursionFor(int serial)

incRecursionFor

protected int incRecursionFor(int serial)