What config options need to be enabled for 'perf lock record' to work? I
tried a number of custom builds and stock Fedora kernels. I always get:
$ perf lock record -- sleep 1
invalid or unsupported event: 'lock:lock_acquire'
Though trace_lock_acquire exists, CONFIG_LOCKDEP is set, and ftrace is
enabled.
What am I missing?
David
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