Re: [PATCH v2] perf debug: List available options when no variable is specified

[Arnaldo Carvalho de Melo]

Em Wed, Nov 01, 2023 at 06:45:43AM +0000, Yang Jihong escreveu:
> Minor help message improvement for `perf --debug`
 
> Before:
 
>   # perf --debug
>   No variable specified for --debug.
 
>    Usage: perf [--version] [--help] [OPTIONS] COMMAND [ARGS]
 
> After:
 
>   # perf --debug
>   No variable specified for --debug, available options: verbose,ordered-events,stderr,data-convert,perf-event-open
> 
>    Usage: perf [--version] [--help] [OPTIONS] COMMAND [ARGS]

Acked-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

- Arnaldo
 
> Suggested-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> Signed-off-by: Yang Jihong <yangjihong1@xxxxxxxxxx>
> ---
> 
> Changes since v1:
>  - Provide helper to iterate debug_opts and print name instead of adding a new variable.