blob: 60e5900da483edb91da41dc3a149aff62092c7a8 (
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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
perf-trace(1)
==============
NAME
----
perf-trace - Read perf.data (created by perf record) and display trace output
SYNOPSIS
--------
[verse]
'perf trace' {record <script> | report <script> [args] }
DESCRIPTION
-----------
This command reads the input file and displays the trace recorded.
There are several variants of perf trace:
'perf trace' to see a detailed trace of the workload that was
recorded.
'perf trace record <script>' to record the events required for 'perf
trace report'. <script> is the name displayed in the output of
'perf trace --list' i.e. the actual script name minus any language
extension.
'perf trace report <script>' to run and display the results of
<script>. <script> is the name displayed in the output of 'perf
trace --list' i.e. the actual script name minus any language
extension. The perf.data output from a previous run of 'perf trace
record <script>' is used and should be present for this command to
succeed.
OPTIONS
-------
-D::
--dump-raw-trace=::
Display verbose dump of the trace data.
-L::
--Latency=::
Show latency attributes (irqs/preemption disabled, etc).
-l::
--list=::
Display a list of available trace scripts.
-s::
--script=::
Process trace data with the given script ([lang]:script[.ext]).
-g::
--gen-script=::
Generate perf-trace.[ext] starter script for given language,
using current perf.data.
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-trace-perl[1]
|