perf lock {record|report|trace}
You can analyze various lock behaviours and statistics with this perf lock command.
'perf lock record <command>' records lock events between start and end <command>. And this command produces the file "perf.data" which contains tracing results of lock events.
'perf lock trace' shows raw lock events.
'perf lock report' reports statistical data.
-i, --input=<file>
-v, --verbose
-D, --dump-raw-trace
perf(1)