projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | |
| 6cf62656 TR |
25 | stderr - write debug output (option -v) to stderr |
| 26 | in browser mode | |
| edbe9817 | 27 | |
| 99ce8e9f JO |
28 | --buildid-dir:: |
| 29 | Setup buildid cache directory. It has higher priority than | |
| 30 | buildid.dir config file option. | |
| 31 | ||
| a1853e2c JO |
32 | -v:: |
| 33 | --version:: | |
| 34 | Display perf version. | |
| 35 | ||
| 36 | -h:: | |
| 37 | --help:: | |
| 38 | Run perf help command. | |
| 39 | ||
| c1c2365a IM |
40 | DESCRIPTION |
| 41 | ----------- | |
| 0895cf0a | 42 | Performance counters for Linux are a new kernel-based subsystem |
| c1c2365a IM |
43 | that provide a framework for all things performance analysis. It |
| 44 | covers hardware level (CPU/PMU, Performance Monitoring Unit) features | |
| 45 | and software features (software counters, tracepoints) as well. | |
| 46 | ||
| 47 | SEE ALSO | |
| 48 | -------- | |
| 49 | linkperf:perf-stat[1], linkperf:perf-top[1], | |
| 386b05e3 TG |
50 | linkperf:perf-record[1], linkperf:perf-report[1], |
| 51 | linkperf:perf-list[1] |