* Steven Rostedt (rostedt@goodmis.org) wrote:
quoted text
> From: Steven Rostedt <srostedt@redhat.com>
> 
> Switch the TRACE_EVENT() macros to use DECLARE_TRACE_DATA(). This
> patch is done to prove that the DATA macros work. If any regressions
> were to surface, then this patch would help a git bisect to localize
> the area.
> 
> Once again this patch increases the size of the kernel.
> 

As recommended in the earlier email:

It would make sense to just add the extra "callback_data" argument
directly to DECLARE_TRACE(), modify the user (TRACE_EVENT) accordingly.
And possibly create a TRACE_EVENT_NOARG() variant.

Thanks,

Mathieu

quoted text
>    text	   data	    bss	    dec	    hex	filename
> 5788186	1337252	9351592	16477030	 fb6b66	vmlinux.orig
> 5792282	1333796	9351592	16477670	 fb6de6	vmlinux.class
> 5793448	1333780	9351592	16478820	 fb7264	vmlinux.tracepoint
> 5796926	1337748	9351592	16486266	 fb8f7a	vmlinux.data
> 
> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
> ---
>  include/linux/tracepoint.h |    8 ++++----
>  1 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
> index 4649bdb..c04988a 100644
> --- a/include/linux/tracepoint.h
> +++ b/include/linux/tracepoint.h
> @@ -355,14 +355,14 @@ static inline void tracepoint_synchronize_unregister(void)
>  
>  #define DECLARE_EVENT_CLASS(name, proto, args, tstruct, assign, print)
>  #define DEFINE_EVENT(template, name, proto, args)		\
> -	DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
> +	DECLARE_TRACE_DATA(name, PARAMS(proto), PARAMS(args))
>  #define DEFINE_EVENT_PRINT(template, name, proto, args, print)	\
> -	DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
> +	DECLARE_TRACE_DATA(name, PARAMS(proto), PARAMS(args))
>  
>  #define TRACE_EVENT(name, proto, args, struct, assign, print)	\
> -	DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
> +	DECLARE_TRACE_DATA(name, PARAMS(proto), PARAMS(args))
>  #define TRACE_EVENT_FN(name, proto, args, struct,		\
>  		assign, print, reg, unreg)			\
> -	DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
> +	DECLARE_TRACE_DATA(name, PARAMS(proto), PARAMS(args))
>  
>  #endif /* ifdef TRACE_EVENT (see note above) */
> -- 
> 1.7.0
> 
> 

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com
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