perf-lock(1)
============

NAME
----
perf-lock - Analyze lock events

SYNOPSIS
--------
[verse]
'perf lock' {record|report|script|info}

DESCRIPTION
-----------
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 report' reports statistical data.

  'perf lock script' shows raw lock events.

  'perf lock info' shows metadata like threads or addresses
  of lock instances.

COMMON OPTIONS
--------------

-i::
--input=<file>::
        Input file name. (default: perf.data unless stdin is a fifo)

-v::
--verbose::
        Be more verbose (show symbol address, etc).

-D::
--dump-raw-trace::
        Dump raw trace in ASCII.

REPORT OPTIONS
--------------

-k::
--key=<value>::
        Sorting key. Possible values: acquired (default), contended,
	avg_wait, wait_total, wait_max, wait_min.

INFO OPTIONS
------------

-t::
--threads::
	dump thread list in perf.data

-m::
--map::
	dump map of lock instances (address:name table)

SEE ALSO
--------
linkperf:perf[1]
et-rx-pump-back</option>
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