Re: [PATCH 1/2] scsi: add __print_hex() to ftrace

[Joe Perches]

On Wed, 2010-01-20 at 15:43 +0900, Kei Tokunaga wrote:
> diff -puN kernel/trace/trace_output.c~ftrace_print_hex kernel/trace/trace_output.c
> --- linux-2.6.33-rc4-trace/kernel/trace/trace_output.c~ftrace_print_hex	2010-01-14 19:55:45.000000000 +0900
> +++ linux-2.6.33-rc4-trace-kei/kernel/trace/trace_output.c	2010-01-14 20:02:49.000000000 +0900
> @@ -355,6 +355,21 @@ ftrace_print_symbols_seq(struct trace_se
>  }
>  EXPORT_SYMBOL(ftrace_print_symbols_seq);
>  
> +const char *
> +ftrace_print_hex_seq(struct trace_seq *p, const unsigned char *buf, int buf_len)
> +{
> +	int i;
> +	const char *ret = p->buffer + p->len;
> +
> +	for (i = 0; i < buf_len; i++)
> +		trace_seq_printf(p, "%s%2.2x", i == 0 ? "" : " ", buf[i]);
> +
> +	trace_seq_putc(p, 0);

hex_dump_to_buffer?


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