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]
value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'>root</a>/<a href='/cgit.cgi/linux/net-next.git/diff/tools?h=nds-private-remove&amp;id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/diff/tools/perf?h=nds-private-remove&amp;id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'>perf</a>/<a href='/cgit.cgi/linux/net-next.git/diff/tools/perf/tests?h=nds-private-remove&amp;id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'>tests</a>/<a href='/cgit.cgi/linux/net-next.git/diff/tools/perf/tests/llvm.c?h=nds-private-remove&amp;id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'>llvm.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=81917bad86a66f2bdcb12b4c10ab1bf333ed25ec'>Diffstat</a> (limited to 'tools/perf/tests/llvm.c')</div><table summary='diffstat' class='diffstat'>