tracing/kprobe: Show sign of fields in trace_kprobe format files

The format files of trace_kprobe do not show the sign of the fields.
The other format files show the field signed type of the fields and
this patch makes the trace_kprobe formats consistent with the others.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
LKML-Reference: <4B273D27.5040009@cn.fujitsu.com>
Acked-by: Masami Hiramatsu <mhiramat@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 7ecab06547a5..83f1e6ef7063 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1182,10 +1182,11 @@ static int __probe_event_show_format(struct trace_seq *s,
 #undef SHOW_FIELD
 #define SHOW_FIELD(type, item, name)                                    \
         do {                                                            \
-                ret = trace_seq_printf(s, "\tfield: " #type " %s;\t"    \
-                                "offset:%u;\tsize:%u;\n", name,         \
+                ret = trace_seq_printf(s, "\tfield:" #type " %s;\t"     \
+                                "offset:%u;\tsize:%u;\tsigned:%d;\n", name,\
                                 (unsigned int)offsetof(typeof(field), item),\
-                                (unsigned int)sizeof(type));            \
+                                (unsigned int)sizeof(type),             \
+                                is_signed_type(type));                  \
                 if (!ret)                                               \
                         return 0;                                       \
         } while (0)