Re: [PATCH 1/4] tracing: add error_report trace points

[Steven Rostedt]

On Wed, 13 Jan 2021 10:16:54 +0100
Alexander Potapenko <glider@xxxxxxxxxx> wrote:

> +DECLARE_EVENT_CLASS(error_report_template,
> +		    TP_PROTO(const char *error_detector, unsigned long id),

Instead of having a random string, as this should be used by a small finite
set of subsystems, why not make the above into an enum?

> +		    TP_ARGS(error_detector, id),
> +		    TP_STRUCT__entry(__field(const char *, error_detector)
> +					     __field(unsigned long, id)),
> +		    TP_fast_assign(__entry->error_detector = error_detector;
> +				   __entry->id = id;),
> +		    TP_printk("[%s] %lx", __entry->error_detector,

Then the [%s] portion of this could also be just a __print_symbolic().

-- Steve

> +			      __entry->id));
> +
> +/**