IFAMCON — Connect to an SMF in-memory resource

Call the IFAMCON service to connect to an SMF in-memory resource.

Description

The IFAMCON service connects to SMF for in-memory data capture. The service establishes an environment to call the IFAMGET service to obtain SMF data from an in-memory resource. The caller must provide the target in-memory resource to access.

Notes:
  • An active connection to an in-memory resource does not prevent the SET SMF=xx command from removing that resource from the configuration. No new data will be recorded to that resource; however, the resource is not removed from the configuration until the last connection disconnects. You can use the DISPLAY SMF,M command to display the connections to in-memory resources.
  • An active connection prevents the SET SMF=xx command from changing the in-memory resource definition, such as changes to the TYPE or RESSIZMAX parameters.
  • The system supports a maximum of 8 connections per in-memory resource, with a maximum of 128 connections per system.

For details about this service, see IFAMCON - Connect to an SMF in-memory resource in z/OS MVS Programming: Callable Services for High-Level Languages.