---
id: lttng-modules-tp-fields
since: 2.7
+since-note: |
+ Previous versions used the TP_STRUCT__entry() and TP_fast_assign()
+ macros which also used different inner macros. The new ctf_*()
+ macros are similar to their LTTng-UST counterpart.
---
<a name="doc-lttng-modules-tp-fast-assign"></a>