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| author | Chuck Lever <chuck.lever@oracle.com> | 2019-06-19 17:33:47 +0300 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-07-09 17:30:25 +0300 |
| commit | c5833f0dc4cef778a718ad7d00df38e199045997 (patch) | |
| tree | ac04d52928e62d50bce060a50136d81c70009063 /fs/nfs/nfs4trace.h | |
| parent | 675dd90ad0932f2c03912a5252458d792bd7033a (diff) | |
| download | linux-c5833f0dc4cef778a718ad7d00df38e199045997.tar.xz | |
NFS4: Add a trace event to record invalid CB sequence IDs
Help debug NFSv4 callback failures.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/nfs4trace.h')
| -rw-r--r-- | fs/nfs/nfs4trace.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h index cd1a5c08da9a..6beb1f29134b 100644 --- a/fs/nfs/nfs4trace.h +++ b/fs/nfs/nfs4trace.h @@ -490,6 +490,44 @@ TRACE_EVENT(nfs4_cb_sequence, __entry->highest_slotid ) ); + +TRACE_EVENT(nfs4_cb_seqid_err, + TP_PROTO( + const struct cb_sequenceargs *args, + __be32 status + ), + TP_ARGS(args, status), + + TP_STRUCT__entry( + __field(unsigned int, session) + __field(unsigned int, slot_nr) + __field(unsigned int, seq_nr) + __field(unsigned int, highest_slotid) + __field(unsigned int, cachethis) + __field(int, error) + ), + + TP_fast_assign( + __entry->session = nfs_session_id_hash(&args->csa_sessionid); + __entry->slot_nr = args->csa_slotid; + __entry->seq_nr = args->csa_sequenceid; + __entry->highest_slotid = args->csa_highestslotid; + __entry->cachethis = args->csa_cachethis; + __entry->error = -be32_to_cpu(status); + ), + + TP_printk( + "error=%d (%s) session=0x%08x slot_nr=%u seq_nr=%u " + "highest_slotid=%u", + __entry->error, + show_nfsv4_errors(__entry->error), + __entry->session, + __entry->slot_nr, + __entry->seq_nr, + __entry->highest_slotid + ) +); + #endif /* CONFIG_NFS_V4_1 */ TRACE_EVENT(nfs4_setup_sequence, |