org.jikesrvm.adaptive

Class OnStackReplacementPlan

java.lang.Object

org.jikesrvm.adaptive.OnStackReplacementPlan

public class OnStackReplacementPlan
extends Object

A OSR_ControllerOnStackReplacementPlan is scheduled by ControllerThread, and executed by the RecompilationThread.

It has the suspended thread whose activation being replaced, and a compilation plan.

The execution of this plan compiles the method, installs the new code, and reschedule the thread.

Field Summary

Fields

Modifier and Type	Field and Description
private int	CMID
private CompilationPlan	compPlan
private byte	status Status is write-only at the moment, but I suspect it comes in handy for debugging -- RJG
private RVMThread	suspendedThread
private int	timeCompleted
private int	timeInitiated
private Offset	tsFromFPoff
private Offset	ypTakenFPoff

Constructor Summary

Constructors

Constructor and Description
OnStackReplacementPlan(RVMThread thread, CompilationPlan cp, int cmid, int source, Offset tsoff, Offset ypoff, double priority)

Method Summary

Modifier and Type	Method and Description
void	execute()
int	getTimeCompleted()
int	getTimeInitiated()
void	setStatus(byte newStatus)
void	setTimeCompleted(int t)
void	setTimeInitiated(int t)

Methods inherited from class java.lang.Object

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

Field Detail

CMID

private final int CMID

tsFromFPoff

private final Offset tsFromFPoff

ypTakenFPoff

private final Offset ypTakenFPoff

status

private byte status

Status is write-only at the moment, but I suspect it comes in handy for debugging -- RJG

suspendedThread

private final RVMThread suspendedThread

compPlan

private final CompilationPlan compPlan

timeInitiated

private int timeInitiated

timeCompleted

private int timeCompleted

Constructor Detail

OnStackReplacementPlan

public OnStackReplacementPlan(RVMThread thread,
                              CompilationPlan cp,
                              int cmid,
                              int source,
                              Offset tsoff,
                              Offset ypoff,
                              double priority)

Method Detail

getTimeInitiated

public int getTimeInitiated()

setTimeInitiated

public void setTimeInitiated(int t)

getTimeCompleted

public int getTimeCompleted()

setTimeCompleted

public void setTimeCompleted(int t)

setStatus

public void setStatus(byte newStatus)

execute

public void execute()