https://docs.oracle.com/cd/E86824_01/html/E54779/ddi-log-sysevent-9f.html
ddi_log_sysevent - man pages section 9: DDI and DKI Kernel Functions
ddi_log_sysevent - log system event for drivers Solaris DDI specific (Solaris DDI).
man pagesddilog
https://docs.oracle.com/cd/E86824_01/html/E54771/sysevent-post-event-3sysevent.html
sysevent_post_event - man pages section 3: Extended Library Functions, Volume 4
sysevent_post_event - post system event for applications pointer to an nvlist_t , listing the name-value attributes associated with the event, or NULL if there...
post eventman pages