tracing/events: add missing type info of dynamic arrays

The format file doesn't contain enough information for
__dynamic_array/__string. The type name is missing.

Before:
  # cat format:
  name: irq_handler_entry
  ...
          field:__data_loc name;  offset:16;      size:2;

After:
  # cat format:
  name: irq_handler_entry
  ...
          field:__data_loc char[] name;  offset:16;      size:2;

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
LKML-Reference: <4A5E962E.9020900@cn.fujitsu.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 1867553c61e5..cc78943e0038 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -120,7 +120,7 @@
 
 #undef __dynamic_array
 #define __dynamic_array(type, item, len)                                       \
-        ret = trace_seq_printf(s, "\tfield:__data_loc " #item ";\t"            \
+        ret = trace_seq_printf(s, "\tfield:__data_loc " #type "[] " #item ";\t"\
                                "offset:%u;\tsize:%u;\n",                       \
                                (unsigned int)offsetof(typeof(field),           \
                                         __data_loc_##item),                    \
@@ -279,7 +279,7 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags)	\
 
 #undef __dynamic_array
 #define __dynamic_array(type, item, len)                                       \
-        ret = trace_define_field(event_call, "__data_loc" "[" #type "]", #item,\
+        ret = trace_define_field(event_call, "__data_loc " #type "[]", #item,  \
                                 offsetof(typeof(field), __data_loc_##item),    \
                                  sizeof(field.__data_loc_##item), 0);