SVC 083
SVC 083 is a Type 3 SVC issued by the SMFWTM or SMFEWTM macro. This macro does not get a lock and calls load module IEEMB830.
Both macros relate to SMF (System Management Facilities), a facility that collects and records system and job-related information. Users can use the information provided by SMF to produce reports and to analyze workload and system resource usage.
Reference Sources
IBM z/OS MVS Diagnosis Reference
IBM z/OS MVS Systems Management Facilities (SMF)