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xprtrdma: Add trace points to instrument QP and CQ access upcalls

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Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2017-12-20 16:31:45 -05:00 committed by Anna Schumaker
parent fc1eb8076f
commit 643cf3237d
2 changed files with 34 additions and 0 deletions
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31
include/trace/events/rpcrdma.h
View file

@ -375,6 +375,37 @@ DEFINE_RXPRT_EVENT(xprtrdma_reinsert);
DEFINE_RXPRT_EVENT(xprtrdma_reconnect);
DEFINE_RXPRT_EVENT(xprtrdma_inject_dsc);
TRACE_EVENT(xprtrdma_qp_error,
TP_PROTO(
const struct rpcrdma_xprt *r_xprt,
const struct ib_event *event
),
TP_ARGS(r_xprt, event),
TP_STRUCT__entry(
__field(const void *, r_xprt)
__field(unsigned int, event)
__string(name, event->device->name)
__string(addr, rpcrdma_addrstr(r_xprt))
__string(port, rpcrdma_portstr(r_xprt))
),
TP_fast_assign(
__entry->r_xprt = r_xprt;
__entry->event = event->event;
__assign_str(name, event->device->name);
__assign_str(addr, rpcrdma_addrstr(r_xprt));
__assign_str(port, rpcrdma_portstr(r_xprt));
),
TP_printk("peer=[%s]:%s r_xprt=%p: dev %s: %s (%u)",
__get_str(addr), __get_str(port), __entry->r_xprt,
__get_str(name), rdma_show_ib_event(__entry->event),
__entry->event
)
);
/**
** Call events
**/

3
net/sunrpc/xprtrdma/verbs.c
View file

@ -108,7 +108,10 @@ static void
rpcrdma_qp_async_error_upcall(struct ib_event *event, void *context)
{
struct rpcrdma_ep *ep = context;
struct rpcrdma_xprt *r_xprt = container_of(ep, struct rpcrdma_xprt,
rx_ep);
trace_xprtrdma_qp_error(r_xprt, event);
pr_err("rpcrdma: %s on device %s ep %p\n",
ib_event_msg(event->event), event->device->name, context);