From: Andy Shevchenko <andriy.shevche...@linux.intel.com> Hex dump as many as 16 bytes at once in trace_print_hex_seq() instead of byte-by-byte approach.
Link: http://lkml.kernel.org/r/20190806151543.86061-1-andriy.shevche...@linux.intel.com Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com> Signed-off-by: Steven Rostedt (VMware) <rost...@goodmis.org> --- kernel/trace/trace_output.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index cab4a5398f1d..d54ce252b05a 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -219,10 +219,10 @@ trace_print_hex_seq(struct trace_seq *p, const unsigned char *buf, int buf_len, { int i; const char *ret = trace_seq_buffer_ptr(p); + const char *fmt = concatenate ? "%*phN" : "%*ph"; - for (i = 0; i < buf_len; i++) - trace_seq_printf(p, "%s%2.2x", concatenate || i == 0 ? "" : " ", - buf[i]); + for (i = 0; i < buf_len; i += 16) + trace_seq_printf(p, fmt, min(buf_len - i, 16), &buf[i]); trace_seq_putc(p, 0); return ret; -- 2.20.1
