Commit c509f15a5801 ("SUNRPC: Split the xdr_buf event class") added display of the rqst's XID to the svc_xdr_buf_class. However, when the recvfrom tracepoint fires, rq_xid has yet to be filled in with the current XID. So it ends up recording the last XID that was handled by that svc_rqst. Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx> --- include/trace/events/sunrpc.h | 24 ------------------------ net/sunrpc/svc_xprt.c | 4 +--- 2 files changed, 1 insertion(+), 27 deletions(-) diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h index 65d7dfbbc9cd..6afd39572dcd 100644 --- a/include/trace/events/sunrpc.h +++ b/include/trace/events/sunrpc.h @@ -1279,30 +1279,6 @@ SVC_RQST_FLAG_LIST #define show_rqstp_flags(flags) \ __print_flags(flags, "|", SVC_RQST_FLAG_LIST) -TRACE_EVENT(svc_recv, - TP_PROTO(struct svc_rqst *rqst, int len), - - TP_ARGS(rqst, len), - - TP_STRUCT__entry( - __field(u32, xid) - __field(int, len) - __field(unsigned long, flags) - __string(addr, rqst->rq_xprt->xpt_remotebuf) - ), - - TP_fast_assign( - __entry->xid = be32_to_cpu(rqst->rq_xid); - __entry->len = len; - __entry->flags = rqst->rq_flags; - __assign_str(addr, rqst->rq_xprt->xpt_remotebuf); - ), - - TP_printk("addr=%s xid=0x%08x len=%d flags=%s", - __get_str(addr), __entry->xid, __entry->len, - show_rqstp_flags(__entry->flags)) -); - TRACE_DEFINE_ENUM(SVC_GARBAGE); TRACE_DEFINE_ENUM(SVC_SYSERR); TRACE_DEFINE_ENUM(SVC_VALID); diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c index 43cf8dbde898..5fb9164aa690 100644 --- a/net/sunrpc/svc_xprt.c +++ b/net/sunrpc/svc_xprt.c @@ -813,8 +813,6 @@ static int svc_handle_xprt(struct svc_rqst *rqstp, struct svc_xprt *xprt) len = svc_deferred_recv(rqstp); else len = xprt->xpt_ops->xpo_recvfrom(rqstp); - if (len > 0) - trace_svc_xdr_recvfrom(rqstp, &rqstp->rq_arg); rqstp->rq_stime = ktime_get(); rqstp->rq_reserved = serv->sv_max_mesg; atomic_add(rqstp->rq_reserved, &xprt->xpt_reserved); @@ -868,7 +866,7 @@ int svc_recv(struct svc_rqst *rqstp, long timeout) if (serv->sv_stats) serv->sv_stats->netcnt++; - trace_svc_recv(rqstp, len); + trace_svc_xdr_recvfrom(rqstp, &rqstp->rq_arg); return len; out_release: rqstp->rq_res.len = 0;