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[68.61.232.219]) by smtp.gmail.com with ESMTPSA id d19sm24418qko.114.2020.06.29.07.58.50 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 29 Jun 2020 07:58:50 -0700 (PDT) Received: from klimt.1015granger.net (klimt.1015granger.net [192.168.1.55]) by gateway.1015granger.net (8.14.7/8.14.7) with ESMTP id 05TEwnBH006248; Mon, 29 Jun 2020 14:58:49 GMT Subject: [PATCH v1 3/6] svcrdma: Record Receive completion ID in svc_rdma_decode_rqst From: Chuck Lever To: linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org Date: Mon, 29 Jun 2020 10:58:49 -0400 Message-ID: <20200629145849.15100.44302.stgit@klimt.1015granger.net> In-Reply-To: <20200629145528.15100.77805.stgit@klimt.1015granger.net> References: <20200629145528.15100.77805.stgit@klimt.1015granger.net> User-Agent: StGit/0.22-31-g4b47 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org When recording a trace event in the Receive path, tie decoding results and errors to an incoming Receive completion. Signed-off-by: Chuck Lever --- include/trace/events/rpcrdma.h | 34 +++++++++++++++++++++++++------ net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 12 +++++------ 2 files changed, 33 insertions(+), 13 deletions(-) diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h index a0330a557e34..df49ae5d447b 100644 --- a/include/trace/events/rpcrdma.h +++ b/include/trace/events/rpcrdma.h @@ -1369,13 +1369,16 @@ TRACE_DEFINE_ENUM(RDMA_ERROR); TRACE_EVENT(svcrdma_decode_rqst, TP_PROTO( + const struct svc_rdma_recv_ctxt *ctxt, __be32 *p, unsigned int hdrlen ), - TP_ARGS(p, hdrlen), + TP_ARGS(ctxt, p, hdrlen), TP_STRUCT__entry( + __field(u32, cq_id) + __field(int, completion_id) __field(u32, xid) __field(u32, vers) __field(u32, proc) @@ -1384,6 +1387,8 @@ TRACE_EVENT(svcrdma_decode_rqst, ), TP_fast_assign( + __entry->cq_id = ctxt->rc_cid.ci_queue_id; + __entry->completion_id = ctxt->rc_cid.ci_completion_id; __entry->xid = be32_to_cpup(p++); __entry->vers = be32_to_cpup(p++); __entry->credits = be32_to_cpup(p++); @@ -1391,37 +1396,48 @@ TRACE_EVENT(svcrdma_decode_rqst, __entry->hdrlen = hdrlen; ), - TP_printk("xid=0x%08x vers=%u credits=%u proc=%s hdrlen=%u", + TP_printk("cq.id=%u cid=%d xid=0x%08x vers=%u credits=%u proc=%s hdrlen=%u", + __entry->cq_id, __entry->completion_id, __entry->xid, __entry->vers, __entry->credits, show_rpcrdma_proc(__entry->proc), __entry->hdrlen) ); TRACE_EVENT(svcrdma_decode_short_err, TP_PROTO( + const struct svc_rdma_recv_ctxt *ctxt, unsigned int hdrlen ), - TP_ARGS(hdrlen), + TP_ARGS(ctxt, hdrlen), TP_STRUCT__entry( + __field(u32, cq_id) + __field(int, completion_id) __field(unsigned int, hdrlen) ), TP_fast_assign( + __entry->cq_id = ctxt->rc_cid.ci_queue_id; + __entry->completion_id = ctxt->rc_cid.ci_completion_id; __entry->hdrlen = hdrlen; ), - TP_printk("hdrlen=%u", __entry->hdrlen) + TP_printk("cq.id=%u cid=%d hdrlen=%u", + __entry->cq_id, __entry->completion_id, + __entry->hdrlen) ); DECLARE_EVENT_CLASS(svcrdma_badreq_event, TP_PROTO( + const struct svc_rdma_recv_ctxt *ctxt, __be32 *p ), - TP_ARGS(p), + TP_ARGS(ctxt, p), TP_STRUCT__entry( + __field(u32, cq_id) + __field(int, completion_id) __field(u32, xid) __field(u32, vers) __field(u32, proc) @@ -1429,13 +1445,16 @@ DECLARE_EVENT_CLASS(svcrdma_badreq_event, ), TP_fast_assign( + __entry->cq_id = ctxt->rc_cid.ci_queue_id; + __entry->completion_id = ctxt->rc_cid.ci_completion_id; __entry->xid = be32_to_cpup(p++); __entry->vers = be32_to_cpup(p++); __entry->credits = be32_to_cpup(p++); __entry->proc = be32_to_cpup(p); ), - TP_printk("xid=0x%08x vers=%u credits=%u proc=%u", + TP_printk("cq.id=%u cid=%d xid=0x%08x vers=%u credits=%u proc=%u", + __entry->cq_id, __entry->completion_id, __entry->xid, __entry->vers, __entry->credits, __entry->proc) ); @@ -1443,9 +1462,10 @@ DECLARE_EVENT_CLASS(svcrdma_badreq_event, DEFINE_EVENT(svcrdma_badreq_event, \ svcrdma_decode_##name##_err, \ TP_PROTO( \ + const struct svc_rdma_recv_ctxt *ctxt, \ __be32 *p \ ), \ - TP_ARGS(p)) + TP_ARGS(ctxt, p)) DEFINE_BADREQ_EVENT(badvers); DEFINE_BADREQ_EVENT(drop); diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c index e6d7401232d2..d5ec85cb652c 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c +++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c @@ -667,27 +667,27 @@ static int svc_rdma_xdr_decode_req(struct xdr_buf *rq_arg, hdr_len = xdr_stream_pos(&rctxt->rc_stream); rq_arg->head[0].iov_len -= hdr_len; rq_arg->len -= hdr_len; - trace_svcrdma_decode_rqst(rdma_argp, hdr_len); + trace_svcrdma_decode_rqst(rctxt, rdma_argp, hdr_len); return hdr_len; out_short: - trace_svcrdma_decode_short_err(rq_arg->len); + trace_svcrdma_decode_short_err(rctxt, rq_arg->len); return -EINVAL; out_version: - trace_svcrdma_decode_badvers_err(rdma_argp); + trace_svcrdma_decode_badvers_err(rctxt, rdma_argp); return -EPROTONOSUPPORT; out_drop: - trace_svcrdma_decode_drop_err(rdma_argp); + trace_svcrdma_decode_drop_err(rctxt, rdma_argp); return 0; out_proc: - trace_svcrdma_decode_badproc_err(rdma_argp); + trace_svcrdma_decode_badproc_err(rctxt, rdma_argp); return -EINVAL; out_inval: - trace_svcrdma_decode_parse_err(rdma_argp); + trace_svcrdma_decode_parse_err(rctxt, rdma_argp); return -EINVAL; }