SUNRPC: Trace a few more generic svc_xprt events

In lieu of dprintks or tracepoints in each individual transport
implementation, introduce tracepoints in the generic part of the RPC
layer. These typically fire for connection lifetime events, so
shouldn't contribute a lot of noise.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2020-03-17 17:41:43 -04:00
commit 11bbb0f76e
5 changed files with 45 additions and 81 deletions