DOKK / manpages / debian 11 / systemtap-doc / probe::sunrpc.sched.release_task.3stap.en
PROBE::SUNRPC.SCHE(3stap) Networking Tapset PROBE::SUNRPC.SCHE(3stap)

probe::sunrpc.sched.release_task - Release all resources associated with a task

sunrpc.sched.release_task 

vers

the program version in the RPC call

xid

the transmission id in the RPC call

prot

the IP protocol in the RPC call

prog

the program number in the RPC call

tk_flags

the flags of the task

rpc_release_task function might not be found for a particular kernel. So, if we can't find it, just return '-1' for everything.

tapset::rpc(3stap)

November 2020 SystemTap Tapset Reference