ifs.util
Class JProf

java.lang.Object
  ifs.util.JProf

public class JProf
extends Object

CPU time measurement. JAVA profiling extension is used. Java needs to be executed with -Xrunjprof. When the java is executed outside this profiler, System.currentTimeMillis() is used.

Version:

1.0

Author:

Tomáš Müller

Constructor Summary

JProf()

Method Summary

static double	currentTimeSec() Current CPU time of this thread in seconds
static long	getCurrentThreadCpuTime() Current CPU time of this thread (will fail when jprof is not loaded).
static boolean	isPrecise() Measurement is based on profiler extension (precise CPU time is returned).

Methods inherited from class java.lang.Object

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

Constructor Detail

JProf

public JProf()

Method Detail

currentTimeSec

public static double currentTimeSec()

Current CPU time of this thread in seconds

isPrecise

public static boolean isPrecise()

Measurement is based on profiler extension (precise CPU time is returned). If false, System.currentTimeMillis() is used in currentTimeSec().

getCurrentThreadCpuTime

public static long getCurrentThreadCpuTime()

Current CPU time of this thread (will fail when jprof is not loaded). Use currentTimeSec().