6 perf-lock - Analyze lock events
11 'perf lock' {record|report|script|info}
15 You can analyze various lock behaviours
16 and statistics with this 'perf lock' command.
18 'perf lock record <command>' records lock events
19 between start and end <command>. And this command
20 produces the file "perf.data" which contains tracing
21 results of lock events.
23 'perf lock report' reports statistical data.
25 'perf lock script' shows raw lock events.
27 'perf lock info' shows metadata like threads or addresses
35 Input file name. (default: perf.data unless stdin is a fifo)
39 Be more verbose (show symbol address, etc).
43 Dump raw trace in ASCII.
47 Don't complain, do it.
54 Sorting key. Possible values: acquired (default), contended,
55 avg_wait, wait_total, wait_max, wait_min.
59 Output fields. By default it shows all the fields but users can
60 customize that using this. Possible values: acquired, contended,
61 avg_wait, wait_total, wait_max, wait_min.
65 Merge lock instances in the same class (based on name).
72 dump thread list in perf.data
76 dump map of lock instances (address:name table)