util
Class RuntimeStatistics

java.lang.Object
  util.Statistics
      util.RuntimeStatistics

public class RuntimeStatistics
extends Statistics

Runtime statistics (wall-clock time) with and without garbage collection time. This class is intended to repeatedly measure the same piece of code and return a summary of the measured runtimes.

Constructor Summary

RuntimeStatistics()

Method Summary

void	dumpFull(PrintStream out) Prints the full results for the statistics.
void	dumpSummary(PrintStream out) Prints a summary of the statistics.
void	merge(Object obj) Merge two of the same type of statistics together.
void	putStats(long time, long timeWithGc) Adds the measured times to the accumulated statistics.

Methods inherited from class util.Statistics

printFullHeader, printSummaryHeader, summarizeFloats, summarizeFloats, summarizeFloats, summarizeInts, summarizeInts, summarizeInts, summarizeLongs, summarizeLongs, summarizeLongs, summarizeLongs

Methods inherited from class java.lang.Object

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

Constructor Detail

RuntimeStatistics

public RuntimeStatistics()

Method Detail

putStats

public void putStats(long time,
                     long timeWithGc)

Adds the measured times to the accumulated statistics.

Parameters:

time - wall-clock time in milliseconds excluding garbage collection time

timeWithGc - wall-clock time in milliseconds including garbage collection time

dumpFull

public void dumpFull(PrintStream out)

Description copied from class: Statistics

Prints the full results for the statistics.

Specified by:

dumpFull in class Statistics

Parameters:

out - output stream

dumpSummary

public void dumpSummary(PrintStream out)

Description copied from class: Statistics

Prints a summary of the statistics. The output should be short and, in most cases, at most one line long.

Specified by:

dumpSummary in class Statistics

Parameters:

out - output stream

merge

public void merge(Object obj)

Description copied from class: Statistics

Merge two of the same type of statistics together. Used to aggregate statistics together.

Specified by:

merge in class Statistics

Parameters:

obj - another statistics object of the same type to be merged with