jdk.internal.jvmci.hotspot

Class InitTimer

java.lang.Object

jdk.internal.jvmci.hotspot.InitTimer

All Implemented Interfaces:

AutoCloseable

public final class InitTimer
extends Object
implements AutoCloseable

A facility for timing a step in the runtime initialization sequence. This must be independent from all other JVMCI code so as to not perturb the initialization sequence.

Field Summary

Fields

Modifier and Type	Field and Description
private static boolean	ENABLED Specifies if initialization timing is enabled.
static Thread	initializingThread Used to assert the invariant that all initialization happens on the same thread.
(package private) String	name
static String	SPACES
(package private) long	start
static int	timerDepth

Constructor Summary

Constructors

Modifier	Constructor and Description
private	InitTimer(String name)

Method Summary

Modifier and Type	Method and Description
void	close()
static InitTimer	timer(String name)
static InitTimer	timer(String name, Object suffix)

Methods inherited from class java.lang.Object

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

Field Detail

name

final String name

start

final long start

ENABLED

private static final boolean ENABLED

Specifies if initialization timing is enabled. This can only be set via a system property as the timing facility is used to time initialization of HotSpotOptions.

timerDepth

public static int timerDepth

SPACES

public static final String SPACES

See Also:

Constant Field Values

initializingThread

public static final Thread initializingThread

Used to assert the invariant that all initialization happens on the same thread.

Constructor Detail

InitTimer

private InitTimer(String name)

Method Detail

close

public void close()

Specified by:

close in interface AutoCloseable

timer

public static InitTimer timer(String name)

timer

public static InitTimer timer(String name,
                              Object suffix)