z/IRIS creates traces from SMF type 123 version 2 records. Below is a list of all z/OS Connect related tags created and used by z/IRIS for mainframe-related APM traces, as well as the IBM SMF record values that z/IRIS uses to populate the tag values.
Tag Naming Scheme
Attribute Prefix
Mainframe system context
zos.**
IBM z/OS operating system-wide identifiers. For example, zos.sysplex.name identifies the z/OS LPAR cluster that processed the requests and can be found in all mainframe related spans to identify any request processed by the same zos.sysplex.name.
zos.connect.**
IBM's z/OS Connect.
host.**
Host tags as defined in OpenTelemetry's semantic conventions for resources.
http.**
HTTP attributes as defined in OpenTelemetry's semantic conventions for traces.
Span Semantics
z/OS Connect span
Child of REST API call
Represents REST API calls that are processed by a z/OS Connect server. In addition to the duration and return code, this span also contains information about the server (Resource Tags) and the request (Span Tags).