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title: Profile Kernel/User Backtraces name: pf4.stp keywords: _best profiling backtrace exit: user-controlled description: The pf4.stp script sets up time-based sampling. Every five seconds it prints out a sorted list with the top twenty kernel and/or user stack backtraces (on a per-cpu basis). Use any of --ldd, --all-modules, -d MODULE, -d /PATH/TO/EXEC to add more symbolic info. test_check: stap -p4 pf4.stp test_installcheck: stap pf4.stp -T 6 --all-modules --ldd