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Date:   Fri, 3 Nov 2023 12:29:31 -0300
From:   Arnaldo Carvalho de Melo <acme@kernel.org>
To:     Yang Jihong <yangjihong1@huawei.com>
Cc:     peterz@infradead.org, mingo@redhat.com, mark.rutland@arm.com,
        alexander.shishkin@linux.intel.com, jolsa@kernel.org,
        namhyung@kernel.org, irogers@google.com, adrian.hunter@intel.com,
        linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] perf debug: List available options when no variable
 is specified
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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@redhat.com>

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