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      1 perf-lock(1)
      2 ============
      3 
      4 NAME
      5 ----
      6 perf-lock - Analyze lock events
      7 
      8 SYNOPSIS
      9 --------
     10 [verse]
     11 'perf lock' {record|report|trace}
     12 
     13 DESCRIPTION
     14 -----------
     15 You can analyze various lock behaviours
     16 and statistics with this 'perf lock' command.
     17 
     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.
     22 
     23   'perf lock trace' shows raw lock events.
     24 
     25   'perf lock report' reports statistical data.
     26 
     27 COMMON OPTIONS
     28 --------------
     29 
     30 -i::
     31 --input=<file>::
     32         Input file name.
     33 
     34 -v::
     35 --verbose::
     36         Be more verbose (show symbol address, etc).
     37 
     38 -D::
     39 --dump-raw-trace::
     40         Dump raw trace in ASCII.
     41 
     42 REPORT OPTIONS
     43 --------------
     44 
     45 -k::
     46 --key=<value>::
     47         Sorting key. Possible values: acquired (default), contended,
     48         wait_total, wait_max, wait_min.
     49 
     50 SEE ALSO
     51 --------
     52 linkperf:perf[1]
     53