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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} [<options>] | ||
12 | |||
13 | DESCRIPTION | ||
14 | ----------- | ||
15 | There'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 | |||
22 | OPTIONS | ||
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 | |||
42 | SEE ALSO | ||
43 | -------- | ||
44 | linkperf:perf-record[1] | ||