linux-kernel - Re: [PATCH v9 02/22] tracing: Make ftrace_event

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Date:	Tue, 21 Jul 2015 19:04:29 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	Tom Zanussi <tom.zanussi@...ux.intel.com>, rostedt@...dmis.org
CC:	daniel.wagner@...-carit.de, namhyung@...nel.org,
	josh@...htriplett.org, andi@...stfloor.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v9 02/22] tracing: Make ftrace_event_field checking
 functions available

On 2015/07/17 2:22, Tom Zanussi wrote:
> Make is_string_field() and is_function_field() accessible outside of
> trace_event_filters.c for other users of ftrace_event_fields.
> 
> Signed-off-by: Tom Zanussi <tom.zanussi@...ux.intel.com

Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>

BTW, is there any reason why we split this from caller-side change?
this short change can be merged into the patch which actual requires this.

Thanks,

> ---
>  kernel/trace/trace.h               | 12 ++++++++++++
>  kernel/trace/trace_events_filter.c | 12 ------------
>  2 files changed, 12 insertions(+), 12 deletions(-)
> 
> diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
> index 4c41fcd..891c5b0 100644
> --- a/kernel/trace/trace.h
> +++ b/kernel/trace/trace.h
> @@ -1050,6 +1050,18 @@ struct filter_pred {
>  	unsigned short		right;
>  };
>  
> +static inline bool is_string_field(struct ftrace_event_field *field)
> +{
> +	return field->filter_type == FILTER_DYN_STRING ||
> +	       field->filter_type == FILTER_STATIC_STRING ||
> +	       field->filter_type == FILTER_PTR_STRING;
> +}
> +
> +static inline bool is_function_field(struct ftrace_event_field *field)
> +{
> +	return field->filter_type == FILTER_TRACE_FN;
> +}
> +
>  extern enum regex_type
>  filter_parse_regex(char *buff, int len, char **search, int *not);
>  extern void print_event_filter(struct trace_event_file *file,
> diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
> index 71511eb..245ee5d 100644
> --- a/kernel/trace/trace_events_filter.c
> +++ b/kernel/trace/trace_events_filter.c
> @@ -917,18 +917,6 @@ int filter_assign_type(const char *type)
>  	return FILTER_OTHER;
>  }
>  
> -static bool is_function_field(struct ftrace_event_field *field)
> -{
> -	return field->filter_type == FILTER_TRACE_FN;
> -}
> -
> -static bool is_string_field(struct ftrace_event_field *field)
> -{
> -	return field->filter_type == FILTER_DYN_STRING ||
> -	       field->filter_type == FILTER_STATIC_STRING ||
> -	       field->filter_type == FILTER_PTR_STRING;
> -}
> -
>  static int is_legal_op(struct ftrace_event_field *field, int op)
>  {
>  	if (is_string_field(field) &&
> 


-- 
Masami HIRAMATSU
Linux Technology Research Center, System Productivity Research Dept.
Center for Technology Innovation - Systems Engineering
Hitachi, Ltd., Research & Development Group
E-mail: masami.hiramatsu.pt@...achi.com
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