| Ingo Molnar | c1c2365 | 2009-05-30 12:38:51 +0200 | [diff] [blame] | 1 | perf(1) |
| 2 | ======= |
| 3 | |
| 4 | NAME |
| 5 | ---- |
| 6 | perf - Performance analysis tools for Linux |
| 7 | |
| 8 | SYNOPSIS |
| 9 | -------- |
| 10 | [verse] |
| Jiri Olsa | bbb2cea | 2014-07-17 12:55:00 +0200 | [diff] [blame] | 11 | 'perf' [--version] [--help] [OPTIONS] COMMAND [ARGS] |
| 12 | |
| 13 | OPTIONS |
| 14 | ------- |
| 15 | --debug:: |
| Jiri Olsa | edbe981 | 2015-02-20 23:17:00 +0100 | [diff] [blame] | 16 | Setup debug variable (see list below) in value |
| Jiri Olsa | bbb2cea | 2014-07-17 12:55:00 +0200 | [diff] [blame] | 17 | range (0, 10). Use like: |
| 18 | --debug verbose # sets verbose = 1 |
| 19 | --debug verbose=2 # sets verbose = 2 |
| Ingo Molnar | c1c2365 | 2009-05-30 12:38:51 +0200 | [diff] [blame] | 20 | |
| Jiri Olsa | edbe981 | 2015-02-20 23:17:00 +0100 | [diff] [blame] | 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 |
| Thomas Richter | 6cf62656 | 2019-05-13 10:02:20 +0200 | [diff] [blame] | 25 | stderr - write debug output (option -v) to stderr |
| 26 | in browser mode |
| Ravi Bangoria | ccd2674 | 2019-11-08 15:11:28 +0530 | [diff] [blame] | 27 | perf-event-open - Print perf_event_open() arguments and |
| 28 | return value |
| Jiri Olsa | edbe981 | 2015-02-20 23:17:00 +0100 | [diff] [blame] | 29 | |
| Jiri Olsa | 99ce8e9 | 2014-12-01 20:06:24 +0100 | [diff] [blame] | 30 | --buildid-dir:: |
| 31 | Setup buildid cache directory. It has higher priority than |
| 32 | buildid.dir config file option. |
| 33 | |
| Jiri Olsa | a1853e2 | 2015-10-05 20:06:09 +0200 | [diff] [blame] | 34 | -v:: |
| 35 | --version:: |
| 36 | Display perf version. |
| 37 | |
| 38 | -h:: |
| 39 | --help:: |
| 40 | Run perf help command. |
| 41 | |
| Ingo Molnar | c1c2365 | 2009-05-30 12:38:51 +0200 | [diff] [blame] | 42 | DESCRIPTION |
| 43 | ----------- |
| Kirill Smelkov | 0895cf0 | 2010-01-13 13:22:18 -0200 | [diff] [blame] | 44 | Performance counters for Linux are a new kernel-based subsystem |
| Ingo Molnar | c1c2365 | 2009-05-30 12:38:51 +0200 | [diff] [blame] | 45 | that provide a framework for all things performance analysis. It |
| 46 | covers hardware level (CPU/PMU, Performance Monitoring Unit) features |
| 47 | and software features (software counters, tracepoints) as well. |
| 48 | |
| 49 | SEE ALSO |
| 50 | -------- |
| 51 | linkperf:perf-stat[1], linkperf:perf-top[1], |
| Thomas Gleixner | 386b05e | 2009-06-06 14:56:33 +0200 | [diff] [blame] | 52 | linkperf:perf-record[1], linkperf:perf-report[1], |
| 53 | linkperf:perf-list[1] |