ordered_events__flush
err = ordered_events__flush(oe, OE_FLUSH__ROUND);
if (ordered_events__flush(out, OE_FLUSH__TOP))
ordered_events__flush(&trace->oe.data, OE_FLUSH__FINAL);
ordered_events__flush(oe, OE_FLUSH__HALF);
int ordered_events__flush(struct ordered_events *oe, enum oe_flush how);
err = ordered_events__flush(oe, OE_FLUSH__FINAL);
err = ordered_events__flush(oe, OE_FLUSH__FINAL);
ret = ordered_events__flush(&session->ordered_events, OE_FLUSH__FINAL);
return ordered_events__flush(oe, OE_FLUSH__ROUND);