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Current File : //proc/1603417/root/usr/share/systemtap/examples/process/mutex-contention.meta

title: pthread mutex contention analysis
name: mutex-contention.stp
keywords: locking
description: Tracks pthread-mutex initialization/use and underlying futex operations, to identify (with backtraces/symbol-names) the mutexes suffering most contention.  Invoke with "-d SHLIB --ldd", perhaps with -DMAXMAPENTRIES=NNNN for some large NNNN, if the arrays overflow due to heavy activity.
test_check: stap -p4 mutex-contention.stp 
test_installcheck: stap mutex-contention.stp -T 1

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