+2019-10-17 (Wear Something Gaudy Day) LTTng modules 2.9.15
+ * Fix: btrfs: move basic block_group definitions to their own header (v5.4)
+ * Fix: update sched prev_state instrumentation for upstream kernel
+
+2019-09-07 (Walter White's Anniversary) LTTng modules 2.9.14
+ * Fix: gcc-9.1 stack frame size warning
+ * Fix: do not use diagnostic pragma when GCC version is lower than 4.6.0
+ * Fix: missing define when not building with gcc
+ * Fix: lttng-tracepoint module notifier should return NOTIFY_OK
+