xref: /linux/tools/perf/Documentation/perf-kmem.txt (revision b5c00a3a412857d6f07970984068c450429e051c)
1perf-kmem(1)
2==============
3
4NAME
5----
6perf-kmem - Tool to trace/measure kernel memory(slab) properties
7
8SYNOPSIS
9--------
10[verse]
11'perf kmem' {record} [<options>]
12
13DESCRIPTION
14-----------
15There's 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' to report kernel memory statistics.
21
22OPTIONS
23-------
24-i <file>::
25--input=<file>::
26	Select the input file (default: perf.data)
27
28--stat=<caller|alloc>::
29	Select per callsite or per allocation statistics
30
31-s <key[,key2...]>::
32--sort=<key[,key2...]>::
33	Sort the output (default: frag,hit,bytes)
34
35-l <num>::
36--line=<num>::
37	Print n lines only
38
39--raw-ip::
40	Print raw ip instead of symbol
41
42SEE ALSO
43--------
44linkperf:perf-record[1]
45