Re: [PATCH] mm, tracing: Print symbol name for kmem_alloc_node call_site events

[Steven Rostedt]

On Thu,  2 Jan 2020 15:19:28 +0800
Junyong Sun <sunjy516@xxxxxxxxx> wrote:

> print the call_site ip of kmem_alloc_node using '%pS' to improve
> the readability of raw slab trace points.
> 
> Signed-off-by: Junyong Sun <sunjunyong@xxxxxxxxxx>

Acked-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>

-- Steve

> ---
>  include/trace/events/kmem.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
> index ad7e642b..f65b1f6 100644
> --- a/include/trace/events/kmem.h
> +++ b/include/trace/events/kmem.h
> @@ -88,8 +88,8 @@ DECLARE_EVENT_CLASS(kmem_alloc_node,
>  		__entry->node		= node;
>  	),
>  
> -	TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d",
> -		__entry->call_site,
> +	TP_printk("call_site=%pS ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s node=%d",
> +		(void *)__entry->call_site,
>  		__entry->ptr,
>  		__entry->bytes_req,
>  		__entry->bytes_alloc,