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DateTue, 22 Apr 2008 07:53:33 -0700
FromRandy Dunlap <>
SubjectRe: [RFC Patch 1/1] debugfs_printk and debugfs_dump interface
K. Prasad wrote:

> This patch introduces two new interfaces called debugfs_printk and 
> debugfs_dump which can be used to print to the debugfs mount directly.
> It uses the 'trace' infrastructure underneath and is a patch over it.
> A sample file is also created to demonstrate its ease of use.
> > Signed-off-by: K.Prasad <prasad@linux.vnet.ibm.com>
> ---
>  Documentation/trace.txt        |   21 ++++
>  include/linux/trace.h          |   55 +++++++++++
>  lib/trace.c                    |  193 +++++++++++++++++++++++++++++++++++++++--
>  samples/trace/Makefile         |    2 
>  samples/trace/fork_new_trace.c |   97 ++++++++++++++++++++
>  5 files changed, 362 insertions(+), 6 deletions(-)

> +> +/**> + * debugfs_printk - Output binary into debugfs mount 'directly' using 'trace'

Oops. This is the debugfs_dump() function.

Otherwise it looks good.  Thanks.

> + * @dpk: Structure containing info such as parent_dir and directory
> + * @output: Data that needs to be output> + * @output_len: Length of the output data> + */> +int debugfs_dump(struct debugfs_printk_data *dpk, const void *output,
> +							const int output_len)> +{


-- 
~Randy


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