RE: [PATCH v3 3/8] Documentation: tracing: Add tracing_on option to boot-time tracer

[Bird, Tim]

> -----Original Message-----
> From: Masami Hiramatsu
 > 
> Add tracing_on option description to the boot-time tracer.
> 
> Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
> ---
>  Documentation/trace/boottime-trace.rst |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/trace/boottime-trace.rst b/Documentation/trace/boottime-trace.rst
> index dcb390075ca1..1341b449acaa 100644
> --- a/Documentation/trace/boottime-trace.rst
> +++ b/Documentation/trace/boottime-trace.rst
> @@ -61,6 +61,10 @@ These options can be used for each instance including global ftrace node.
>  ftrace.[instance.INSTANCE.]options = OPT1[, OPT2[...]]
>     Enable given ftrace options.
> 
> +ftrace.[instance.INSTANCE.]tracing_on = 0|1
> +   Enable/Disable tracing on this instance when boot.

when boot. -> when booting.
(or when boot. -> on boot.)
 -- Tim

> +   (you can enable it by the "traceon" event trigger action)
> +
>  ftrace.[instance.INSTANCE.]trace_clock = CLOCK
>     Set given CLOCK to ftrace's trace_clock.
>