Re: [PATCH v3] [RFC] tracepoint: Add signal coredump tracepoint

[KOSAKI Motohiro]

> +	TP_fast_assign(
> +		__entry->sig	= (int)cprm->signr;
> +		__entry->limit	= cprm->limit;
> +		__entry->flags	= cprm->mm_flags;
> +		__entry->retval	= retval;
> +		__assign_str(name,	core_name);
> +	),
> +
> +	TP_printk("sig=%d limit=%lu dumpable=0x%lx dump_filter=0x%lx "
> +		  "corename=\"%s\" retval=%d",
> +		  __entry->sig, __entry->limit,
> +		  __entry->flags & MMF_DUMPABLE_MASK,
> +		  (__entry->flags & MMF_DUMP_FILTER_MASK) >>
> +		  MMF_DUMP_FILTER_SHIFT,
> +		  __get_str(name), __entry->retval)
> +);
>  #endif /* _TRACE_SIGNAL_H */

I don't think "limit" is userfriendly name, core_limit or core_size_limit is better?
plus, we have core_pipe_limit sysctl too. (it's similar but different concept limit).

other parts looks good to me.



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