perf-help (1) - Linux Man Pages
perf-help: display help information about perf
perf-help - display help information about perf
With no options and no COMMAND given, the synopsis of the perf command and a list of the most commonly used perf commands are printed on the standard output.
If the option --all or -a is given, then all available commands are printed on the standard output.
If a perf command is named, a manual page for that command is brought up. The man program is used by default for this purpose, but this can be overridden by other options or configuration variables.
- Prints all the available commands on the standard output. This option supersedes any other option.
Part of the perf(1) suite