linux-kernel - Re: [PATCH] kmemtrace: print binary output only if 'bin' option is set

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Date:	Thu, 2 Jul 2009 08:55:16 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Li Zefan <lizf@...fujitsu.com>
cc:	Ingo Molnar <mingo@...e.hu>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kmemtrace: print binary output only if 'bin' option is
 set


On Thu, 2 Jul 2009, Li Zefan wrote:
> ---
>  kernel/trace/kmemtrace.c |  119 ++++++++++++++++++++++++++++++++++------------
>  1 files changed, 89 insertions(+), 30 deletions(-)
> 
> diff --git a/kernel/trace/kmemtrace.c b/kernel/trace/kmemtrace.c
> index 1edaa95..9a58f37 100644
> --- a/kernel/trace/kmemtrace.c
> +++ b/kernel/trace/kmemtrace.c
> @@ -239,12 +239,51 @@ struct kmemtrace_user_event_alloc {
>  };
>  
>  static enum print_line_t
> -kmemtrace_print_alloc_user(struct trace_iterator *iter,
> -			   struct kmemtrace_alloc_entry *entry)
> +kmemtrace_print_alloc_user(struct trace_iterator *iter, int flags)
> +{
> +	struct trace_seq *s = &iter->seq;
> +	struct kmemtrace_alloc_entry *entry;
> +	int ret;
> +
> +	trace_assign_type(entry, iter->ent);
> +
> +	ret = trace_seq_printf(s, "type_id %d call_site %lu ptr %lu "
> +	    "bytes_req %lu bytes_alloc %lu gfp_flags %lu node %d\n",
> +	    entry->type_id, entry->call_site, (unsigned long)entry->ptr,
> +	    (unsigned long)entry->bytes_req, (unsigned long)entry->bytes_alloc,
> +	    (unsigned long)entry->gfp_flags, entry->node);

Could we make the call_site %pF ?  That way we can see the name of the 
function and not just the address.

-- Steve
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