| perf(1) | |
| ======= | |
| NAME | |
| ---- | |
| perf - Performance analysis tools for Linux | |
| SYNOPSIS | |
| -------- | |
| [verse] | |
| 'perf' [--version] [--help] [OPTIONS] COMMAND [ARGS] | |
| OPTIONS | |
| ------- | |
| --debug:: | |
| Setup debug variable (see list below) in value | |
| range (0, 10). Use like: | |
| --debug verbose # sets verbose = 1 | |
| --debug verbose=2 # sets verbose = 2 | |
| List of debug variables allowed to set: | |
| verbose - general debug messages | |
| ordered-events - ordered events object debug messages | |
| data-convert - data convert command debug messages | |
| --buildid-dir:: | |
| Setup buildid cache directory. It has higher priority than | |
| buildid.dir config file option. | |
| -v:: | |
| --version:: | |
| Display perf version. | |
| -h:: | |
| --help:: | |
| Run perf help command. | |
| DESCRIPTION | |
| ----------- | |
| Performance counters for Linux are a new kernel-based subsystem | |
| that provide a framework for all things performance analysis. It | |
| covers hardware level (CPU/PMU, Performance Monitoring Unit) features | |
| and software features (software counters, tracepoints) as well. | |
| SEE ALSO | |
| -------- | |
| linkperf:perf-stat[1], linkperf:perf-top[1], | |
| linkperf:perf-record[1], linkperf:perf-report[1], | |
| linkperf:perf-list[1] |