Re: [PATCH] tracing: kmem: convert call_site addresses to user friendly symbols

[Steven Rostedt]

Looking at the kbuild report...

On Fri, 19 Jul 2019 22:22:40 -0400
"George G. Davis" <george_davis@xxxxxxxxxx> wrote:

> diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
> index eb57e3037deb..ae18e61fa1c0 100644
> --- a/include/trace/events/kmem.h
> +++ b/include/trace/events/kmem.h
> @@ -35,7 +35,7 @@ DECLARE_EVENT_CLASS(kmem_alloc,
>  		__entry->gfp_flags	= gfp_flags;
>  	),
>  
> -	TP_printk("call_site=%lx ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s",
> +	TP_printk("call_site=%pS ptr=%p bytes_req=%zu bytes_alloc=%zu gfp_flags=%s",

Note, %lx expects an unsigned long, %pS expects a pointer.

>  		__entry->call_site,

You need to change the above to: (void *)__entry->call_site,

-- Steve

>  		__entry->ptr,
>  		__entry->bytes_req,