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authorChuck Lever <chuck.lever@oracle.com>2020-11-09 20:39:42 +0100
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2020-11-11 16:32:31 +0100
commit3a9568fedccc6cf26c1a87621c3bfed7b7432119 (patch)
tree1556f6f6103dafaa779c41a342e689373d1c64e2
parentxprtrdma: Clean up trace_xprtrdma_post_linv (diff)
downloadlinux-3a9568fedccc6cf26c1a87621c3bfed7b7432119.tar.xz
linux-3a9568fedccc6cf26c1a87621c3bfed7b7432119.zip
xprtrdma: Clean up reply parsing error tracepoints
- Rename the tracepoints with the "_err" suffix to indicate these are rare error events - Replace display of kernel memory addresses - Tie the XID and error to a connection IP address instead Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
-rw-r--r--include/trace/events/rpcrdma.h27
-rw-r--r--net/sunrpc/xprtrdma/rpc_rdma.c10
2 files changed, 19 insertions, 18 deletions
diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h
index b0750c0d2753..93d717d8139f 100644
--- a/include/trace/events/rpcrdma.h
+++ b/include/trace/events/rpcrdma.h
@@ -60,7 +60,7 @@ DECLARE_EVENT_CLASS(rpcrdma_completion_class,
), \
TP_ARGS(wc, cid))
-DECLARE_EVENT_CLASS(xprtrdma_reply_event,
+DECLARE_EVENT_CLASS(xprtrdma_reply_class,
TP_PROTO(
const struct rpcrdma_rep *rep
),
@@ -68,29 +68,30 @@ DECLARE_EVENT_CLASS(xprtrdma_reply_event,
TP_ARGS(rep),
TP_STRUCT__entry(
- __field(const void *, rep)
- __field(const void *, r_xprt)
__field(u32, xid)
__field(u32, version)
__field(u32, proc)
+ __string(addr, rpcrdma_addrstr(rep->rr_rxprt))
+ __string(port, rpcrdma_portstr(rep->rr_rxprt))
),
TP_fast_assign(
- __entry->rep = rep;
- __entry->r_xprt = rep->rr_rxprt;
__entry->xid = be32_to_cpu(rep->rr_xid);
__entry->version = be32_to_cpu(rep->rr_vers);
__entry->proc = be32_to_cpu(rep->rr_proc);
+ __assign_str(addr, rpcrdma_addrstr(rep->rr_rxprt));
+ __assign_str(port, rpcrdma_portstr(rep->rr_rxprt));
),
- TP_printk("rxprt %p xid=0x%08x rep=%p: version %u proc %u",
- __entry->r_xprt, __entry->xid, __entry->rep,
- __entry->version, __entry->proc
+ TP_printk("peer=[%s]:%s xid=0x%08x version=%u proc=%u",
+ __get_str(addr), __get_str(port),
+ __entry->xid, __entry->version, __entry->proc
)
);
#define DEFINE_REPLY_EVENT(name) \
- DEFINE_EVENT(xprtrdma_reply_event, name, \
+ DEFINE_EVENT(xprtrdma_reply_class, \
+ xprtrdma_reply_##name##_err, \
TP_PROTO( \
const struct rpcrdma_rep *rep \
), \
@@ -1030,10 +1031,10 @@ TRACE_EVENT(xprtrdma_defer_cmp,
)
);
-DEFINE_REPLY_EVENT(xprtrdma_reply_vers);
-DEFINE_REPLY_EVENT(xprtrdma_reply_rqst);
-DEFINE_REPLY_EVENT(xprtrdma_reply_short);
-DEFINE_REPLY_EVENT(xprtrdma_reply_hdr);
+DEFINE_REPLY_EVENT(vers);
+DEFINE_REPLY_EVENT(rqst);
+DEFINE_REPLY_EVENT(short);
+DEFINE_REPLY_EVENT(hdr);
TRACE_EVENT(xprtrdma_err_vers,
TP_PROTO(
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
index c178f93aa40b..29f847c8f609 100644
--- a/net/sunrpc/xprtrdma/rpc_rdma.c
+++ b/net/sunrpc/xprtrdma/rpc_rdma.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
- * Copyright (c) 2014-2017 Oracle. All rights reserved.
+ * Copyright (c) 2014-2020, Oracle and/or its affiliates.
* Copyright (c) 2003-2007 Network Appliance, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -1369,7 +1369,7 @@ out:
return;
out_badheader:
- trace_xprtrdma_reply_hdr(rep);
+ trace_xprtrdma_reply_hdr_err(rep);
r_xprt->rx_stats.bad_reply_count++;
rqst->rq_task->tk_status = status;
status = 0;
@@ -1462,16 +1462,16 @@ void rpcrdma_reply_handler(struct rpcrdma_rep *rep)
return;
out_badversion:
- trace_xprtrdma_reply_vers(rep);
+ trace_xprtrdma_reply_vers_err(rep);
goto out;
out_norqst:
spin_unlock(&xprt->queue_lock);
- trace_xprtrdma_reply_rqst(rep);
+ trace_xprtrdma_reply_rqst_err(rep);
goto out;
out_shortreply:
- trace_xprtrdma_reply_short(rep);
+ trace_xprtrdma_reply_short_err(rep);
out:
rpcrdma_recv_buffer_put(rep);