SMF real-time interface
SMF provides an application programming interface (API) that offers real-time access to SMF in-memory resources. You can use the callable services that comprise the SMF real-time interface from an application program to access SMF records from an in-memory resource as they are written.
About the SMF real-time interface
SMF real-time interface | IEFU83, IEFU84, IEFU85, IEFU86 user exits |
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SMF real-time callable services provides details about using the real-time interface to access SMF data.
About SMF in-memory resources
SMF must be running in logstream recording mode in order to define and use in-memory resources and, thus, the real-time interface. Records can be recorded to an in-memory resource without also being written to a logstream.
An SMF in-memory resource is a wrap-around buffer that keeps selected records in memory and provides real-time access to those records. You can specify the size when you define an in-memory resource.
You can define one or more in-memory resources, each with a unique set of record types, up to a maximum of 32 in-memory resources. This is useful both for managing resource capacity and usage, and for segregating record types by application requirements.
Defining in-memory resources describes the process to define in-memory resources.