function::ns_euid - Returns the effective user ID of a target process as seen in a user namespace

       None

       This function returns the effective user ID of the target process as seen in the target user namespace if
       provided, or the stap process namespace.

       function::ns_euid - Returns the effective user ID of a target process as seen in a user namespace

tapset::context(3stap)

SystemTap Tapset Reference                         April 2024                           FUNCTION::NS_EUID(3stap)

           ns_euid:long()