+#define SESSION_EVT_DEQ_NODE_HANDLER(_node_evt) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "deq-node: %s", \
+ .format_args = "t4", \
+ .n_enum_strings = 2, \
+ .enum_strings = { \
+ "start", \
+ "end", \
+ }, \
+ }; \
+ DEC_SESSION_ED(_e, 1); \
+ ed->data[0] = _node_evt; \
+}
+#else
+#define SESSION_EVT_DEQ_HANDLER(_s, _body)
+#define SESSION_EVT_ENQ_HANDLER(_s, _body)
+#define SESSION_EVT_DEQ_NODE_HANDLER(_node_evt)
+#endif /* SESSION_DEQ_NODE_EVTS */
+
+#if SESSION_EVT_POLL_DBG && SESSION_DEBUG > 1
+#define SESSION_EVT_POLL_GAP(_smm, _ti) \
+{ \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "nixon-gap: %d us", \
+ .format_args = "i4", \
+ }; \
+ DEC_SESSION_ED(_e, 1); \
+ ed->data[0] = (u32) ((now - \
+ _smm->last_event_poll_by_thread[_ti])*1000000.0); \
+}
+#define SESSION_EVT_POLL_GAP_TRACK_HANDLER(_smm, _ti) \
+{ \
+ if (PREDICT_TRUE (smm->last_event_poll_by_thread[_ti] != 0.0)) \
+ if (now > smm->last_event_poll_by_thread[_ti] + 500e-6) \
+ SESSION_EVT_POLL_GAP(smm, _ti); \
+ _smm->last_event_poll_by_thread[_ti] = now; \
+}
+
+#define SESSION_EVT_POLL_DISPATCH_TIME_HANDLER(_smm, _ti) \
+{ \
+ f64 diff = vlib_time_now (vlib_get_main ()) - \
+ _smm->last_event_poll_by_thread[_ti]; \
+ if (diff > 5e-2) \
+ { \
+ ELOG_TYPE_DECLARE (_e) = \
+ { \
+ .format = "dispatch time: %d us", \
+ .format_args = "i4", \
+ }; \
+ DEC_SESSION_ED(_e, 1); \
+ ed->data[0] = diff *1000000.0; \
+ } \
+}
+
+#else
+#define SESSION_EVT_POLL_GAP(_smm, _my_thread_index)
+#define SESSION_EVT_POLL_GAP_TRACK_HANDLER(_smm, _my_thread_index)
+#define SESSION_EVT_POLL_DISPATCH_TIME_HANDLER(_smm, _ti)
+#endif /* SESSION_EVT_POLL_DBG */
+
+#define SESSION_EVT_DISPATCH_END_HANDLER(_smm, _ti) \
+{ \
+ SESSION_EVT_DEQ_NODE_HANDLER(1); \
+ SESSION_EVT_POLL_DISPATCH_TIME_HANDLER(_smm, _ti); \
+}
+