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Subject[PATCH 04/10] tracing: __dynamic_array() also defines fields

dynamic array is also added to struct ftrace_event_call->fields.

FTRACE_ENTRY(bprint) and FTRACE_ENTRY(print) use this __dynamic_array().

Preparing patch for new way of printing format files which uses
defined fields to print formats. So it requires all fields
are added to struct ftrace_event_call->fields.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
---
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index 458e5bf..511bc36 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -174,7 +174,12 @@ ftrace_format_##name(struct ftrace_event_call *unused, \
return ret;

#undef __dynamic_array
-#define __dynamic_array(type, item)
+#define __dynamic_array(type, item) \
+ ret = trace_define_field(event_call, #type, #item, \
+ offsetof(typeof(field), item), \
+ 0, is_signed_type(type), FILTER_OTHER);\
+ if (ret) \
+ return ret;

#undef FTRACE_ENTRY
#define FTRACE_ENTRY(name, struct_name, id, tstruct, print) \





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