Re: [PATCH 2/2] kmemtrace: Use tracepoints instead of markers.

[Arnaldo Carvalho de Melo]

Em Tue, Dec 30, 2008 at 09:41:28AM +0200, Eduard - Gabriel Munteanu escreveu:
> kmemtrace now uses tracepoints instead of markers. We no longer need to
> use format specifiers. Also dropped kmemtrace_mark_alloc_node(), since
> it's easy to pass -1 as the NUMA node without providing a needless and
> long-named variant of the same function.
> 
> Signed-off-by: Eduard - Gabriel Munteanu <eduard.munteanu@xxxxxxxxxxx>
> diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
> index 7555ce9..fe3cea2 100644
> --- a/include/linux/slab_def.h
> +++ b/include/linux/slab_def.h
> @@ -76,8 +76,8 @@ found:
>  
>  		ret = kmem_cache_alloc_notrace(cachep, flags);
>  
> -		kmemtrace_mark_alloc(KMEMTRACE_TYPE_KMALLOC, _THIS_IP_, ret,
> -				     size, slab_buffer_size(cachep), flags);
> +		trace_kmalloc(_THIS_IP_, ret,
> +			      size, slab_buffer_size(cachep), flags, -1);

Is there a way for a tracepoint to get the caller without having to pass
it explicitely?

- Arnaldo
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