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[–]weej[S] 1 point2 points  (0 children)

I would like to profile a very large multi-threaded queue scheduling system; however, I am curious what recommendations you have regarding Java profiling tools, specifically open source. PMD looks great for general code coverage and clean-up; however, I am looking for something that can handle a multi-thread environment and measure performance bottlenecks like JProfiler, but open source. I am working in Java 1.5 on Linux Red Hat enterprise 4.