tools/perf/Documentation/perf-kmem.txt

   1 perf-kmem(1)
   2 ============
   3
   4 NAME
   5 ----
   6 perf-kmem - Tool to trace/measure kernel memory(slab) properties
   7
   8 SYNOPSIS
   9 --------
  10 [verse]
  11 'perf kmem' {record|stat} [<options>]
  12
  13 DESCRIPTION
  14 -----------
  15 There are two variants of perf kmem:
  16
  17   'perf kmem record <command>' to record the kmem events
  18   of an arbitrary workload.
  19
  20   'perf kmem stat' to report kernel memory statistics.
  21
  22 OPTIONS
  23 -------
  24 -i <file>::
  25 --input=<file>::
  26         Select the input file (default: perf.data unless stdin is a fifo)
  27
  28 --caller::
  29         Show per-callsite statistics
  30
  31 --alloc::
  32         Show per-allocation statistics
  33
  34 -s <key[,key2...]>::
  35 --sort=<key[,key2...]>::
  36         Sort the output (default: frag,hit,bytes)
  37
  38 -l <num>::
  39 --line=<num>::
  40         Print n lines only
  41
  42 --raw-ip::
  43         Print raw ip instead of symbol
  44
  45 SEE ALSO
  46 --------
  47 linkperf:perf-record[1]