org.neo4j.resources

Class CpuClock

java.lang.Object

org.neo4j.resources.CpuClock

public abstract class CpuClock
extends Object

Measures CPU time by thread.

Field Summary

Fields

Modifier and Type	Field and Description
static CpuClock	CPU_CLOCK
static CpuClock	NOT_AVAILABLE

Constructor Summary

Constructors

Constructor and Description
CpuClock()

Method Summary

Modifier and Type	Method and Description
abstract long	cpuTimeNanos(long threadId) Returns the current CPU time used by the thread, in nanoseconds.
long	cpuTimeNanos(Thread thread) Returns the current CPU time used by the thread, in nanoseconds.

Methods inherited from class java.lang.Object

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

Field Detail

CPU_CLOCK

public static final CpuClock CPU_CLOCK

NOT_AVAILABLE

public static final CpuClock NOT_AVAILABLE

Constructor Detail

CpuClock

public CpuClock()

Method Detail

cpuTimeNanos

public final long cpuTimeNanos(Thread thread)

Returns the current CPU time used by the thread, in nanoseconds.

Parameters:

thread - the thread to get the used CPU time for.

Returns:

the current CPU time used by the thread, in nanoseconds.

cpuTimeNanos

public abstract long cpuTimeNanos(long threadId)

Returns the current CPU time used by the thread, in nanoseconds.

Parameters:

threadId - the id of the thread to get the used CPU time for.

Returns:

the current CPU time used by the thread, in nanoseconds, or -1 if getting the CPU time is not supported.