[SCSI] ftrace: add __print_hex()

__print_hex() prints values in an array in hex (w/o '0x') (space separated)
EX) 92 33 32 f3 ee 4d

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@jp.fujitsu.com>
Signed-off-by: Kei Tokunaga <tokunaga.keiich@jp.fujitsu.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Kei Tokunaga 2010-04-01 20:40:58 +09:00 committed by James Bottomley
parent 59c31b69d2
commit 5a2e399595
3 changed files with 21 additions and 0 deletions

View file

@ -355,6 +355,21 @@ ftrace_print_symbols_seq(struct trace_seq *p, unsigned long val,
}
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);
return ret;
}
EXPORT_SYMBOL(ftrace_print_hex_seq);
#ifdef CONFIG_KRETPROBES
static inline const char *kretprobed(const char *name)
{