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author | Chuck Lever <chuck.lever@oracle.com> | 2019-06-19 10:34:09 -0400 |
---|---|---|
committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-07-09 10:30:25 -0400 |
commit | 62a92ba97a31c544802bbf13d3a998e86796d548 (patch) | |
tree | abe58a8ec4901c2ce5d1a02bf8c6bda41fd245cf /fs | |
parent | 7d4006c161ad8cded95f80f43b5fecc36e781497 (diff) | |
download | linux-stable-62a92ba97a31c544802bbf13d3a998e86796d548.tar.gz linux-stable-62a92ba97a31c544802bbf13d3a998e86796d548.tar.bz2 linux-stable-62a92ba97a31c544802bbf13d3a998e86796d548.zip |
NFS: Record task, client ID, and XID in xdr_status trace points
When triggering an nfs_xdr_status trace point, record the task ID
and XID of the failing RPC to better pinpoint the problem.
This feels like a bit of a layering violation.
Suggested-by: Trond Myklebust <trondmy@hammerspace.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/nfs/nfs2xdr.c | 2 | ||||
-rw-r--r-- | fs/nfs/nfs3xdr.c | 2 | ||||
-rw-r--r-- | fs/nfs/nfs4trace.h | 15 | ||||
-rw-r--r-- | fs/nfs/nfs4xdr.c | 2 | ||||
-rw-r--r-- | fs/nfs/nfstrace.h | 15 |
5 files changed, 29 insertions, 7 deletions
diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c index 572794dab4b1..cbc17a203248 100644 --- a/fs/nfs/nfs2xdr.c +++ b/fs/nfs/nfs2xdr.c @@ -151,7 +151,7 @@ static int decode_stat(struct xdr_stream *xdr, enum nfs_stat *status) return 0; out_status: *status = be32_to_cpup(p); - trace_nfs_xdr_status((int)*status); + trace_nfs_xdr_status(xdr, (int)*status); return 0; } diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c index abbbdde97e31..602767850b36 100644 --- a/fs/nfs/nfs3xdr.c +++ b/fs/nfs/nfs3xdr.c @@ -343,7 +343,7 @@ static int decode_nfsstat3(struct xdr_stream *xdr, enum nfs_stat *status) return 0; out_status: *status = be32_to_cpup(p); - trace_nfs_xdr_status((int)*status); + trace_nfs_xdr_status(xdr, (int)*status); return 0; } diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h index 9a39fd51c8e7..d85f20945a2b 100644 --- a/fs/nfs/nfs4trace.h +++ b/fs/nfs/nfs4trace.h @@ -564,24 +564,35 @@ TRACE_EVENT(nfs4_setup_sequence, TRACE_EVENT(nfs4_xdr_status, TP_PROTO( + const struct xdr_stream *xdr, u32 op, int error ), - TP_ARGS(op, error), + TP_ARGS(xdr, op, error), TP_STRUCT__entry( + __field(unsigned int, task_id) + __field(unsigned int, client_id) + __field(u32, xid) __field(u32, op) __field(unsigned long, error) ), TP_fast_assign( + const struct rpc_rqst *rqstp = xdr->rqst; + const struct rpc_task *task = rqstp->rq_task; + + __entry->task_id = task->tk_pid; + __entry->client_id = task->tk_client->cl_clid; + __entry->xid = be32_to_cpu(rqstp->rq_xid); __entry->op = op; __entry->error = error; ), TP_printk( - "error=%ld (%s) operation %d:", + "task:%u@%d xid=0x%08x error=%ld (%s) operation=%u", + __entry->task_id, __entry->client_id, __entry->xid, -__entry->error, show_nfsv4_errors(__entry->error), __entry->op ) diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 602446158bfb..d974ff3164ba 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -3187,7 +3187,7 @@ static bool __decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected, return true; out_status: nfserr = be32_to_cpup(p); - trace_nfs4_xdr_status(opnum, nfserr); + trace_nfs4_xdr_status(xdr, opnum, nfserr); *nfs_retval = nfs4_stat_to_errno(nfserr); return true; out_bad_operation: diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h index cd09356e4772..976d4089e267 100644 --- a/fs/nfs/nfstrace.h +++ b/fs/nfs/nfstrace.h @@ -1139,21 +1139,32 @@ TRACE_DEFINE_ENUM(NFSERR_JUKEBOX); TRACE_EVENT(nfs_xdr_status, TP_PROTO( + const struct xdr_stream *xdr, int error ), - TP_ARGS(error), + TP_ARGS(xdr, error), TP_STRUCT__entry( + __field(unsigned int, task_id) + __field(unsigned int, client_id) + __field(u32, xid) __field(unsigned long, error) ), TP_fast_assign( + const struct rpc_rqst *rqstp = xdr->rqst; + const struct rpc_task *task = rqstp->rq_task; + + __entry->task_id = task->tk_pid; + __entry->client_id = task->tk_client->cl_clid; + __entry->xid = be32_to_cpu(rqstp->rq_xid); __entry->error = error; ), TP_printk( - "error=%ld (%s)", + "task:%u@%d xid=0x%08x error=%ld (%s)", + __entry->task_id, __entry->client_id, __entry->xid, -__entry->error, nfs_show_status(__entry->error) ) ); |