profiler : Java Glossary

by Roedy Green ©1996-2009 Canadian Mind Products
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The CurrCon Java Applet displays prices on this web page converted with today’s exchange rates into your local international currency, e.g. Euros, US dollars, Canadian dollars, British Pounds, Indian Rupees… CurrCon requires Java 1.1 or later, preferably 1.6.0_14. If you can’t see the prices, or if you just want to learn more about CurrCon, click here for help.

profiler

A program that helps you figure out where a Java program is spending most of its time. It may also help you discover how it is using memory, how many of what sorts of object. There is a simple profiler built into the Java runtime:

java -Xprof MyClass > prof.txt

Profilers

Borland OptimizeIt $500.00 USD for the standard edition
GCviewer: free memory analyser from Tagtraum.
JInsight
jProf
HPjmeter: free profiler from HP
JProbe
JProfiler, also version integrated with Jetrains IntelliJ Idea.
Mercury Tuning née Performant
NetBeans has an integrated profiler that will handle J2EE.
Numega
SAP: free, open source.
Semantic Designs JavaProfiler $400.00 USD
SoftwareVerify Performance Verifier (Coverage Validator, Performance Validator, Thread Validator, Java Bug Validator, Memory Validator) One tool, to measure memory use, is free.
YourKit Profiler €295.00 EUR
Rational Purify: for C++/JNI.
Visual VM: open source

Learning More

Sun’s Developer Technical Articles on JConsole Remote Profiler

Sun’s Performance documentation on JVMStat

JConsole
JStack
JVisualVM
optimiser
optimising
performance tuning
time
time sources

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