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c1c2365a IM |
1 | perf(1) |
2 | ======= | |
3 | ||
4 | NAME | |
5 | ---- | |
6 | perf - Performance analysis tools for Linux | |
7 | ||
8 | SYNOPSIS | |
9 | -------- | |
10 | [verse] | |
bbb2cea7 JO |
11 | 'perf' [--version] [--help] [OPTIONS] COMMAND [ARGS] |
12 | ||
13 | OPTIONS | |
14 | ------- | |
15 | --debug:: | |
edbe9817 | 16 | Setup debug variable (see list below) in value |
bbb2cea7 JO |
17 | range (0, 10). Use like: |
18 | --debug verbose # sets verbose = 1 | |
19 | --debug verbose=2 # sets verbose = 2 | |
c1c2365a | 20 | |
edbe9817 JO |
21 | List of debug variables allowed to set: |
22 | verbose - general debug messages | |
23 | ordered-events - ordered events object debug messages | |
24 | data-convert - data convert command debug messages | |
25 | ||
99ce8e9f JO |
26 | --buildid-dir:: |
27 | Setup buildid cache directory. It has higher priority than | |
28 | buildid.dir config file option. | |
29 | ||
a1853e2c JO |
30 | -v:: |
31 | --version:: | |
32 | Display perf version. | |
33 | ||
34 | -h:: | |
35 | --help:: | |
36 | Run perf help command. | |
37 | ||
c1c2365a IM |
38 | DESCRIPTION |
39 | ----------- | |
0895cf0a | 40 | Performance counters for Linux are a new kernel-based subsystem |
c1c2365a IM |
41 | that provide a framework for all things performance analysis. It |
42 | covers hardware level (CPU/PMU, Performance Monitoring Unit) features | |
43 | and software features (software counters, tracepoints) as well. | |
44 | ||
45 | SEE ALSO | |
46 | -------- | |
47 | linkperf:perf-stat[1], linkperf:perf-top[1], | |
386b05e3 TG |
48 | linkperf:perf-record[1], linkperf:perf-report[1], |
49 | linkperf:perf-list[1] |