linux-nfs.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Chuck Lever <chuck.lever@oracle.com>
To: anna.schumaker@netapp.com
Cc: linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org
Subject: [PATCH v4 6/6] rpcrdma: Capture bytes received in Receive completion tracepoints
Date: Thu, 04 Feb 2021 11:59:32 -0500	[thread overview]
Message-ID: <161245797223.737759.5121223683890760045.stgit@manet.1015granger.net> (raw)
In-Reply-To: <161245786674.737759.8361822825753388908.stgit@manet.1015granger.net>

Make it easier to spot messages of an unusual size.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Acked-by: Tom Talpey <tom@talpey.com>
---
 include/trace/events/rpcrdma.h |   50 ++++++++++++++++++++++++++++++++++++++--
 1 file changed, 48 insertions(+), 2 deletions(-)

diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h
index 76e85e16854b..c838e7ac1c2d 100644
--- a/include/trace/events/rpcrdma.h
+++ b/include/trace/events/rpcrdma.h
@@ -60,6 +60,51 @@ DECLARE_EVENT_CLASS(rpcrdma_completion_class,
 				),					\
 				TP_ARGS(wc, cid))
 
+DECLARE_EVENT_CLASS(rpcrdma_receive_completion_class,
+	TP_PROTO(
+		const struct ib_wc *wc,
+		const struct rpc_rdma_cid *cid
+	),
+
+	TP_ARGS(wc, cid),
+
+	TP_STRUCT__entry(
+		__field(u32, cq_id)
+		__field(int, completion_id)
+		__field(u32, received)
+		__field(unsigned long, status)
+		__field(unsigned int, vendor_err)
+	),
+
+	TP_fast_assign(
+		__entry->cq_id = cid->ci_queue_id;
+		__entry->completion_id = cid->ci_completion_id;
+		__entry->status = wc->status;
+		if (wc->status) {
+			__entry->received = 0;
+			__entry->vendor_err = wc->vendor_err;
+		} else {
+			__entry->received = wc->byte_len;
+			__entry->vendor_err = 0;
+		}
+	),
+
+	TP_printk("cq.id=%u cid=%d status=%s (%lu/0x%x) received=%u",
+		__entry->cq_id, __entry->completion_id,
+		rdma_show_wc_status(__entry->status),
+		__entry->status, __entry->vendor_err,
+		__entry->received
+	)
+);
+
+#define DEFINE_RECEIVE_COMPLETION_EVENT(name)				\
+		DEFINE_EVENT(rpcrdma_receive_completion_class, name,	\
+				TP_PROTO(				\
+					const struct ib_wc *wc,		\
+					const struct rpc_rdma_cid *cid	\
+				),					\
+				TP_ARGS(wc, cid))
+
 DECLARE_EVENT_CLASS(xprtrdma_reply_class,
 	TP_PROTO(
 		const struct rpcrdma_rep *rep
@@ -838,7 +883,8 @@ TRACE_EVENT(xprtrdma_post_linv_err,
  ** Completion events
  **/
 
-DEFINE_COMPLETION_EVENT(xprtrdma_wc_receive);
+DEFINE_RECEIVE_COMPLETION_EVENT(xprtrdma_wc_receive);
+
 DEFINE_COMPLETION_EVENT(xprtrdma_wc_send);
 DEFINE_COMPLETION_EVENT(xprtrdma_wc_fastreg);
 DEFINE_COMPLETION_EVENT(xprtrdma_wc_li);
@@ -1790,7 +1836,7 @@ TRACE_EVENT(svcrdma_post_recv,
 	)
 );
 
-DEFINE_COMPLETION_EVENT(svcrdma_wc_receive);
+DEFINE_RECEIVE_COMPLETION_EVENT(svcrdma_wc_receive);
 
 TRACE_EVENT(svcrdma_rq_post_err,
 	TP_PROTO(



  parent reply	other threads:[~2021-02-04 19:25 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-04 16:58 [PATCH v4 0/6] RPC/RDMA client fixes Chuck Lever
2021-02-04 16:59 ` [PATCH v4 1/6] xprtrdma: Remove FMR support in rpcrdma_convert_iovs() Chuck Lever
2021-02-04 16:59 ` [PATCH v4 2/6] xprtrdma: Simplify rpcrdma_convert_kvec() and frwr_map() Chuck Lever
2021-02-04 16:59 ` [PATCH v4 3/6] xprtrdma: Refactor invocations of offset_in_page() Chuck Lever
2021-02-04 16:59 ` [PATCH v4 4/6] rpcrdma: Fix comments about reverse-direction operation Chuck Lever
2021-02-04 16:59 ` [PATCH v4 5/6] xprtrdma: Pad optimization, revisited Chuck Lever
2021-02-04 16:59 ` Chuck Lever [this message]
2021-02-04 19:48 ` [PATCH v4 0/6] RPC/RDMA client fixes Anna Schumaker

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=161245797223.737759.5121223683890760045.stgit@manet.1015granger.net \
    --to=chuck.lever@oracle.com \
    --cc=anna.schumaker@netapp.com \
    --cc=linux-nfs@vger.kernel.org \
    --cc=linux-rdma@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).