summaryrefslogtreecommitdiff
path: root/tools/perf/Documentation/perf.txt
blob: 1e8e400b449375ab8c6b9bba5161d37ea7e1f5fe (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
perf(1)
=======

NAME
----
perf - Performance analysis tools for Linux

SYNOPSIS
--------
[verse]
'perf' [--version] [--help] [OPTIONS] COMMAND [ARGS]

OPTIONS
-------
--debug::
	Setup debug variable (just verbose for now) in value
	range (0, 10). Use like:
	  --debug verbose   # sets verbose = 1
	  --debug verbose=2 # sets verbose = 2

--buildid-dir::
	Setup buildid cache directory. It has higher priority than
	buildid.dir config file option.

DESCRIPTION
-----------
Performance counters for Linux are a new kernel-based subsystem
that provide a framework for all things performance analysis. It
covers hardware level (CPU/PMU, Performance Monitoring Unit) features
and software features (software counters, tracepoints) as well.

SEE ALSO
--------
linkperf:perf-stat[1], linkperf:perf-top[1],
linkperf:perf-record[1], linkperf:perf-report[1],
linkperf:perf-list[1]