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Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <20110222205312.GA18474@joi.lan> Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
53 lines
923 B
Plaintext
53 lines
923 B
Plaintext
perf-lock(1)
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============
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NAME
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----
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perf-lock - Analyze lock events
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SYNOPSIS
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--------
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[verse]
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'perf lock' {record|report|trace}
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DESCRIPTION
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-----------
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You can analyze various lock behaviours
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and statistics with this 'perf lock' command.
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'perf lock record <command>' records lock events
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between start and end <command>. And this command
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produces the file "perf.data" which contains tracing
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results of lock events.
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'perf lock trace' shows raw lock events.
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'perf lock report' reports statistical data.
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COMMON OPTIONS
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--------------
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-i::
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--input=<file>::
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Input file name.
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-v::
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--verbose::
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Be more verbose (show symbol address, etc).
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-D::
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--dump-raw-trace::
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Dump raw trace in ASCII.
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REPORT OPTIONS
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--------------
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-k::
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--key=<value>::
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Sorting key. Possible values: acquired (default), contended,
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wait_total, wait_max, wait_min.
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SEE ALSO
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--------
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linkperf:perf[1]
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