tools/perf/Documentation/perf-lock.txt

   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. (default: perf.data unless stdin is a fifo)
  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]