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]
e' selected='selected'>nds-private-remove</option>
<option 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>
<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=d6040764adcb5cb6de1489422411d701c158bb69'>refs</a><a href='/cgit.cgi/linux/net-next.git/log/include/trace/events/btrfs.h?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/include/trace/events/btrfs.h?h=nds-private-remove&amp;id=d6040764adcb5cb6de1489422411d701c158bb69'>tree</a><a class='active' href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/btrfs.h?h=nds-private-remove&amp;id=d6040764adcb5cb6de1489422411d701c158bb69'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/btrfs.h?h=nds-private-remove&amp;id=d6040764adcb5cb6de1489422411d701c158bb69'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/include/trace/events/btrfs.h'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='d6040764adcb5cb6de1489422411d701c158bb69'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=d6040764adcb5cb6de1489422411d701c158bb69'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=d6040764adcb5cb6de1489422411d701c158bb69'>include</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace?h=nds-private-remove&amp;id=d6040764adcb5cb6de1489422411d701c158bb69'>trace</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events?h=nds-private-remove&amp;id=d6040764adcb5cb6de1489422411d701c158bb69'>events</a>/<a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/btrfs.h?h=nds-private-remove&amp;id=d6040764adcb5cb6de1489422411d701c158bb69'>btrfs.h</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='d6040764adcb5cb6de1489422411d701c158bb69'/><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><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Salvatore Benedetto &lt;salvatore.benedetto@intel.com&gt;</td><td class='right'>2017-01-13 11:54:08 +0000</td></tr>
<tr><th>committer</th><td>Herbert Xu &lt;herbert@gondor.apana.org.au&gt;</td><td class='right'>2017-01-23 22:41:32 +0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/btrfs.h?h=nds-private-remove&amp;id=d6040764adcb5cb6de1489422411d701c158bb69'>d6040764adcb5cb6de1489422411d701c158bb69</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/trace/events/btrfs.h?id=d6040764adcb5cb6de1489422411d701c158bb69'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=d6040764adcb5cb6de1489422411d701c158bb69'>ec8f34788bcdeaa9dc8f69c58af4c005d1e49021</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/trace/events/btrfs.h?h=nds-private-remove&amp;id=d6040764adcb5cb6de1489422411d701c158bb69'>include/trace/events/btrfs.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/trace/events/btrfs.h?h=nds-private-remove&amp;id=07825f0acd85dd8b7481d5ef0eb024b05364d892'>07825f0acd85dd8b7481d5ef0eb024b05364d892</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/trace/events/btrfs.h?h=nds-private-remove&amp;id=d6040764adcb5cb6de1489422411d701c158bb69&amp;id2=07825f0acd85dd8b7481d5ef0eb024b05364d892'>diff</a>)</td></tr></table>
<div class='commit-subject'>crypto: api - Clear CRYPTO_ALG_DEAD bit before registering an alg</div><div class='commit-msg'>Make sure CRYPTO_ALG_DEAD bit is cleared before proceeding with
the algorithm registration. This fixes qat-dh registration when
driver is restarted

Cc: &lt;stable@vger.kernel.org&gt;
Signed-off-by: Salvatore Benedetto &lt;salvatore.benedetto@intel.com&gt;
Signed-off-by: Herbert Xu &lt;herbert@gondor.apana.org.au&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=d6040764adcb5cb6de1489422411d701c158bb69'>Diffstat</a> (limited to 'include/trace/events/btrfs.h')</div><table summary='diffstat' class='diffstat'>