serial: driver for m32 arch should not have DEC alpha errata
[zen-stable.git] / tools / perf / Documentation / perf-lock.txt
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1 perf-lock(1)
2 ============
4 NAME
5 ----
6 perf-lock - Analyze lock events
8 SYNOPSIS
9 --------
10 [verse]
11 'perf lock' {record|report|trace}
13 DESCRIPTION
14 -----------
15 You can analyze various lock behaviours
16 and statistics with this 'perf lock' command.
18   'perf lock record <command>' records lock events
19   between start and end <command>. And this command
20   produces the file "perf.data" which contains tracing
21   results of lock events.
23   'perf lock trace' shows raw lock events.
25   'perf lock report' reports statistical data.
27 COMMON OPTIONS
28 --------------
30 -i::
31 --input=<file>::
32         Input file name.
34 -v::
35 --verbose::
36         Be more verbose (show symbol address, etc).
38 -D::
39 --dump-raw-trace::
40         Dump raw trace in ASCII.
42 REPORT OPTIONS
43 --------------
45 -k::
46 --key=<value>::
47         Sorting key. Possible values: acquired (default), contended,
48         wait_total, wait_max, wait_min.
50 SEE ALSO
51 --------
52 linkperf:perf[1]