From: Long Li <longli@exchange.microsoft.com>
To: Steve French <sfrench@samba.org>,
linux-cifs@vger.kernel.org, samba-technical@lists.samba.org,
linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org,
Tom Talpey <ttalpey@microsoft.com>,
Matthew Wilcox <mawilcox@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>
Cc: Long Li <longli@microsoft.com>
Subject: [Patch v5 21/21] CIFS: SMBD: Add SMB Direct debug counters
Date: Wed, 18 Oct 2017 16:09:20 -0700 [thread overview]
Message-ID: <20171018230920.21042-22-longli@exchange.microsoft.com> (raw)
In-Reply-To: <20171018230920.21042-1-longli@exchange.microsoft.com>
From: Long Li <longli@microsoft.com>
For debugging and troubleshooting, export SMBDirect debug counters to
/proc/fs/cifs/DebugData.
Signed-off-by: Long Li <longli@microsoft.com>
---
fs/cifs/cifs_debug.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 66 insertions(+)
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 7025d8d..cd65759 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -155,6 +155,72 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
list_for_each(tmp1, &cifs_tcp_ses_list) {
server = list_entry(tmp1, struct TCP_Server_Info,
tcp_ses_list);
+
+#ifdef CONFIG_CIFS_SMB_DIRECT
+ if (!server->rdma)
+ goto skip_rdma;
+
+ seq_printf(m, "\nSMBDirect (in hex) protocol version: %x "
+ "transport status: %x",
+ server->smbd_conn->protocol,
+ server->smbd_conn->transport_status);
+ seq_printf(m, "\nConn receive_credit_max: %x "
+ "send_credit_target: %x max_send_size: %x",
+ server->smbd_conn->receive_credit_max,
+ server->smbd_conn->send_credit_target,
+ server->smbd_conn->max_send_size);
+ seq_printf(m, "\nConn max_fragmented_recv_size: %x "
+ "max_fragmented_send_size: %x max_receive_size:%x",
+ server->smbd_conn->max_fragmented_recv_size,
+ server->smbd_conn->max_fragmented_send_size,
+ server->smbd_conn->max_receive_size);
+ seq_printf(m, "\nConn keep_alive_interval: %x "
+ "max_readwrite_size: %x rdma_readwrite_threshold: %x",
+ server->smbd_conn->keep_alive_interval,
+ server->smbd_conn->max_readwrite_size,
+ server->smbd_conn->rdma_readwrite_threshold);
+ seq_printf(m, "\nDebug count_get_receive_buffer: %x "
+ "count_put_receive_buffer: %x count_send_empty: %x",
+ server->smbd_conn->count_get_receive_buffer,
+ server->smbd_conn->count_put_receive_buffer,
+ server->smbd_conn->count_send_empty);
+ seq_printf(m, "\nRead Queue count_reassembly_queue: %x "
+ "count_enqueue_reassembly_queue: %x "
+ "count_dequeue_reassembly_queue: %x "
+ "fragment_reassembly_remaining: %x "
+ "reassembly_data_length: %x "
+ "reassembly_queue_length: %x",
+ server->smbd_conn->count_reassembly_queue,
+ server->smbd_conn->count_enqueue_reassembly_queue,
+ server->smbd_conn->count_dequeue_reassembly_queue,
+ server->smbd_conn->fragment_reassembly_remaining,
+ server->smbd_conn->reassembly_data_length,
+ server->smbd_conn->reassembly_queue_length);
+ seq_printf(m, "\nCurrent Credits send_credits: %x "
+ "receive_credits: %x receive_credit_target: %x",
+ atomic_read(&server->smbd_conn->send_credits),
+ atomic_read(&server->smbd_conn->receive_credits),
+ server->smbd_conn->receive_credit_target);
+ seq_printf(m, "\nPending send_pending: %x send_payload_pending:"
+ " %x smbd_send_pending: %x smbd_recv_pending: %x",
+ atomic_read(&server->smbd_conn->send_pending),
+ atomic_read(&server->smbd_conn->send_payload_pending),
+ server->smbd_conn->smbd_send_pending,
+ server->smbd_conn->smbd_recv_pending);
+ seq_printf(m, "\nReceive buffers count_receive_queue: %x "
+ "count_empty_packet_queue: %x",
+ server->smbd_conn->count_receive_queue,
+ server->smbd_conn->count_empty_packet_queue);
+ seq_printf(m, "\nMR responder_resources: %x "
+ "max_frmr_depth: %x mr_type: %x",
+ server->smbd_conn->responder_resources,
+ server->smbd_conn->max_frmr_depth,
+ server->smbd_conn->mr_type);
+ seq_printf(m, "\nMR mr_ready_count: %x mr_used_count: %x",
+ atomic_read(&server->smbd_conn->mr_ready_count),
+ atomic_read(&server->smbd_conn->mr_used_count));
+skip_rdma:
+#endif
seq_printf(m, "\nNumber of credits: %d", server->credits);
i++;
list_for_each(tmp2, &server->smb_ses_list) {
--
2.7.4
prev parent reply other threads:[~2017-10-18 23:09 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-18 23:08 [Patch v5 00/21] CIFS: Implement SMB Direct protocol Long Li
2017-10-18 23:09 ` [Patch v5 01/21] CIFS: SMBD: Add SMB Direct protocol initial values and constants Long Li
[not found] ` <20171018230920.21042-2-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-11-01 17:21 ` Steve French
[not found] ` <CAH2r5msbXygf-GaSLyy4q_k6pNR8zSKw2KwF3--oeofimdghag-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-11-01 18:49 ` Long Li
2017-10-18 23:09 ` [Patch v5 03/21] CIFS: SMBD: export protocol initial values Long Li
2017-10-18 23:09 ` [Patch v5 04/21] CIFS: SMBD: Add rdma mount option Long Li
2017-10-18 23:09 ` [Patch v5 05/21] CIFS: SMBD: Implement function to create a SMB Direct connection Long Li
2017-10-18 23:09 ` [Patch v5 06/21] CIFS: SMBD: Upper layer connects to SMBDirect session Long Li
2017-10-18 23:09 ` [Patch v5 08/21] CIFS: SMBD: Upper layer reconnects to SMB Direct session Long Li
[not found] ` <20171018230920.21042-9-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-11-01 18:04 ` Pavel Shilovsky
2017-11-01 19:44 ` Matthew Wilcox
[not found] ` <BN6PR21MB083455CADF03A6BD40863968CB5F0-M7qishpO4ShSLOx3ThEYWs1VXTxX1y3OvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-11-05 18:37 ` Long Li
[not found] ` <MWHPR21MB01904A80D5C08396A7209471CE530-saRRjQKJ25M/hL2NnenhuM1VXTxX1y3OvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-11-05 19:19 ` Long Li
[not found] ` <MWHPR21MB019066558DAE185D630EC2E7CE530-saRRjQKJ25M/hL2NnenhuM1VXTxX1y3OvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-11-06 18:10 ` Matthew Wilcox
[not found] ` <DM5PR21MB08439FAD284B66941BD4E1A3CB500-wL6gkCBjFTaTOEAW4KKL081VXTxX1y3OvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-11-06 18:59 ` Long Li
[not found] ` <MWHPR21MB0846AFBFCA9D6CDC97060C5DCE500-saRRjQKJ25OdAu0pOMKhMc1VXTxX1y3OvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-11-06 20:25 ` Tom Talpey
2017-11-06 20:46 ` Long Li
2017-10-18 23:09 ` [Patch v5 09/21] CIFS: SMBD: Implement function to destroy a SMB Direct connection Long Li
2017-10-18 23:09 ` [Patch v5 10/21] CIFS: SMBD: Upper layer destroys SMB Direct session on shutdown or umount Long Li
2017-10-18 23:09 ` [Patch v5 12/21] CIFS: SMBD: Implement function to receive data via RDMA receive Long Li
2017-10-18 23:09 ` [Patch v5 13/21] CIFS: SMBD: Upper layer receives " Long Li
2017-10-18 23:09 ` [Patch v5 14/21] CIFS: SMBD: Implement function to send data via RDMA send Long Li
[not found] ` <20171018230920.21042-1-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-10-18 23:09 ` [Patch v5 02/21] CIFS: SMBD: Establish SMB Direct connection Long Li
[not found] ` <20171018230920.21042-3-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-11-01 17:19 ` Pavel Shilovsky
2017-11-01 18:48 ` Long Li
2017-10-18 23:09 ` [Patch v5 07/21] CIFS: SMBD: Implement function to reconnect to a SMB Direct transport Long Li
2017-10-18 23:09 ` [Patch v5 11/21] CIFS: SMBD: Set SMB Direct maximum read or write size for I/O Long Li
2017-10-18 23:09 ` [Patch v5 15/21] CIFS: SMBD: Upper layer sends data via RDMA send Long Li
2017-10-18 23:09 ` [Patch v5 18/21] CIFS: SMBD: Add parameter rdata to smb2_new_read_req Long Li
2017-10-18 23:09 ` [Patch v5 16/21] CIFS: SMBD: Implement RDMA memory registration Long Li
2017-10-18 23:09 ` [Patch v5 17/21] CIFS: SMBD: Upper layer performs SMB write via RDMA read through " Long Li
2017-10-18 23:09 ` [Patch v5 19/21] CIFS: SMBD: Read correct returned data length for RDMA write (SMB read) I/O Long Li
[not found] ` <20171018230920.21042-20-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-11-01 16:50 ` Pavel Shilovsky
[not found] ` <CAKywueSUUgxdxcdJbpo0YJTcxauVebzO45UPLD46zzrKVurc5A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-11-01 18:48 ` Long Li
2017-10-18 23:09 ` [Patch v5 20/21] CIFS: SMBD: Upper layer performs SMB read via RDMA write through memory registration Long Li
2017-10-18 23:09 ` Long Li [this message]
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=20171018230920.21042-22-longli@exchange.microsoft.com \
--to=longli@exchange.microsoft.com \
--cc=linux-cifs@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rdma@vger.kernel.org \
--cc=longli@microsoft.com \
--cc=mawilcox@microsoft.com \
--cc=samba-technical@lists.samba.org \
--cc=sfrench@samba.org \
--cc=sthemmin@microsoft.com \
--cc=ttalpey@microsoft.com \
/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