trace: add variant without spacing in trace_print_hex_seq

For upcoming tracepoint support for BPF, we want to dump the program's
tag. Format should be similar to __print_hex(), but without spacing.
Add a __print_hex_str() variant for exactly that purpose that reuses
trace_print_hex_seq().

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Borkmann
2017-01-25 02:28:16 +01:00
committed by David S. Miller
parent 60b1af3300
commit 2acae0d5b0
3 changed files with 13 additions and 5 deletions

View File

@ -297,7 +297,12 @@ TRACE_MAKE_SYSTEM_STR();
#endif
#undef __print_hex
#define __print_hex(buf, buf_len) trace_print_hex_seq(p, buf, buf_len)
#define __print_hex(buf, buf_len) \
trace_print_hex_seq(p, buf, buf_len, true)
#undef __print_hex_str
#define __print_hex_str(buf, buf_len) \
trace_print_hex_seq(p, buf, buf_len, false)
#undef __print_array
#define __print_array(array, count, el_size) \
@ -711,6 +716,7 @@ static inline void ftrace_test_probe_##call(void) \
#undef __print_flags
#undef __print_symbolic
#undef __print_hex
#undef __print_hex_str
#undef __get_dynamic_array
#undef __get_dynamic_array_len
#undef __get_str