[RFC,0/5] Ideas for new NFS and RPC trace points

Message

Chuck Lever Jan. 25, 2019, 10:07 p.m. UTC

Here are some trace point-related changes that could improve the
observability of NFS and RPC operation. Interested in comments.

---

Chuck Lever (5):
      SUNRPC: Add xdr_stream::rqst field
      SUNRPC: Add XDR overflow trace event
      SUNRPC: Add trace event that reports reply page vector alignment
      NFS: Remove print_overflow_msg()
      NFS: Add trace events to report non-zero NFS status codes


 fs/lockd/clnt4xdr.c                    |   14 -
 fs/lockd/clntxdr.c                     |   14 -
 fs/nfs/callback_xdr.c                  |   64 ++--
 fs/nfs/flexfilelayout/flexfilelayout.c |    2 
 fs/nfs/nfs2xdr.c                       |   91 ++----
 fs/nfs/nfs3xdr.c                       |  170 ++++--------
 fs/nfs/nfs42xdr.c                      |   21 -
 fs/nfs/nfs4trace.h                     |   25 ++
 fs/nfs/nfs4xdr.c                       |  463 +++++++++-----------------------
 fs/nfs/nfstrace.c                      |    1 
 fs/nfs/nfstrace.h                      |   85 ++++++
 fs/nfsd/nfs4callback.c                 |   13 -
 include/linux/sunrpc/xdr.h             |    8 -
 include/trace/events/sunrpc.h          |  126 +++++++++
 net/sunrpc/auth.c                      |    4 
 net/sunrpc/auth_gss/auth_gss.c         |    4 
 net/sunrpc/xdr.c                       |   69 ++++-
 net/sunrpc/xprtrdma/backchannel.c      |    2 
 net/sunrpc/xprtrdma/rpc_rdma.c         |    4 
 19 files changed, 548 insertions(+), 632 deletions(-)

--
Chuck Lever