Statistics (Jikes RVM API)

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org.mmtk.vm
Class Statistics

java.lang.Object
  org.mmtk.vm.Statistics

Direct Known Subclasses:: Statistics

public abstract class Statistics
extends Object
extends Object

Constructor Summary
`Statistics()`

Method Summary
`abstract long`	`cycles()` Read the cycle counter
`abstract long`	`millisToNanos(double t)` Convert milliseconds to nanoseconds
`abstract double`	`nanosToMillis(long c)` Convert nanoseconds to milliseconds
`abstract double`	`nanosToSecs(long c)` Convert nanoseconds to seconds
`abstract long`	`nanoTime()` Read cycle counter
`abstract void`	`perfEventInit(String events)` Initialize performance events
`abstract void`	`perfEventRead(int counter, long[] values)` Read a performance event value
`abstract long`	`secsToNanos(double t)` Convert seconds to nanoseconds

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

Statistics

public Statistics()

Method Detail

nanoTime

public abstract long nanoTime()

Read cycle counter

nanosToMillis

public abstract double nanosToMillis(long c)

Convert nanoseconds to milliseconds

nanosToSecs

public abstract double nanosToSecs(long c)

Convert nanoseconds to seconds

millisToNanos

public abstract long millisToNanos(double t)

Convert milliseconds to nanoseconds

secsToNanos

public abstract long secsToNanos(double t)

Convert seconds to nanoseconds

cycles

public abstract long cycles()

Read the cycle counter

perfEventInit

public abstract void perfEventInit(String events)

Initialize performance events

perfEventRead

public abstract void perfEventRead(int counter,
                                   long[] values)

Read a performance event value