[concurrency-interest] Measuring lock contention with ThreadMXBean
jmanson at cs.umd.edu
Thu Mar 29 15:28:35 EDT 2007
Joseph Seigh wrote:
> The locks are whatever ThreadMXBean measures. I suspect it is the GC
> which appears to be using
> conventional synchronization to park threads.
I was going to respond with this -- I've seen contention happen in
ReferenceQueue.remove and enqueue regardless of what else you are doing
in your code. It is possible to measure this using JVMTI.
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