tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1perf-kmem(1)
2============
3
4NAME
5----
6perf-kmem - Tool to trace/measure kernel memory properties
7
8SYNOPSIS
9--------
10[verse]
11'perf kmem' {record|stat} [<options>]
12
13DESCRIPTION
14-----------
15There 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
22OPTIONS
23-------
24-i <file>::
25--input=<file>::
26 Select the input file (default: perf.data unless stdin is a fifo)
27
28-v::
29--verbose::
30 Be more verbose. (show symbol address, etc)
31
32--caller::
33 Show per-callsite statistics
34
35--alloc::
36 Show per-allocation statistics
37
38-s <key[,key2...]>::
39--sort=<key[,key2...]>::
40 Sort the output (default: frag,hit,bytes)
41
42-l <num>::
43--line=<num>::
44 Print n lines only
45
46--raw-ip::
47 Print raw ip instead of symbol
48
49--slab::
50 Analyze SLAB allocator events.
51
52--page::
53 Analyze page allocator events
54
55SEE ALSO
56--------
57linkperf:perf-record[1]