Re: [PATCH 05/19] perf tools: Introduce new 'ftrace' tool

[David Ahern]

On 6/26/13 1:14 AM, Namhyung Kim wrote:
> +	const char * const ftrace_usage[] = {
> +		"perf ftrace [<options>] [<command>]",
> +		"perf ftrace [<options>] -- <command> [<options>]",
> +		NULL
> +	};
> +	const struct option ftrace_options[] = {
> +	OPT_STRING('t', "tracer", &ftrace.tracer, "tracer",
> +		   "tracer to use"),

How does a user know what is a valid tracer string?

David
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