[PATCH RFC 0/5] Update RPC task pid as displayed by tracepoints

[Chuck Lever <chuck.lever@oracle.com>]

Hi-

So based on Trond's earlier comment, this is what I've come up with.
These apply on top of the three patches Trond has already accepted.

I kind of wanted to do "task:%04x@%04x", but the "-1" still displays
as "ffffffff", so I left it as "task:%08x@%08x" to keep the fields
lined up in aligned columns. Any different ideas are welcome.

There are a couple of other fix-ups I found while working on this
update, and I've also included an optional patch to add the
nfs_readpage(s) tracepoints I found useful while tracking down
recent fsx failures.

---

Chuck Lever (5):
      SUNRPC: Tracepoints should display tk_pid and cl_clid as a fixed-size field
      SUNRPC: Avoid NULL pointer dereferences in tracepoints
      SUNRPC: Use BIT() macro in rpc_show_xprt_state()
      SUNRPC: Don't dereference xprt->snd_task if it's a cookie
      NFS: Replace dprintk callsites in nfs_readpage(s)


 fs/nfs/nfs4trace.h                 |  17 ++-
 fs/nfs/nfstrace.h                  |  79 ++++++++++++-
 fs/nfs/read.c                      |   8 +-
 include/trace/events/rpcgss.h      |  36 +++---
 include/trace/events/rpcrdma.h     | 104 +++++++----------
 include/trace/events/sunrpc.h      | 182 +++++++++++++----------------
 include/trace/events/sunrpc_base.h |  42 +++++++
 7 files changed, 265 insertions(+), 203 deletions(-)
 create mode 100644 include/trace/events/sunrpc_base.h

--
Chuck Lever