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,
Christoph Hellwig <hch@infradead.org>,
Tom Talpey <ttalpey@microsoft.com>,
Matthew Wilcox <mawilcox@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>
Cc: Long Li <longli@microsoft.com>
Subject: [Patch v6 22/22] CIFS: SMBD: Add SMB Direct debug counters
Date: Sat, 4 Nov 2017 22:44:04 -0700 [thread overview]
Message-ID: <20171105054404.23886-23-longli@exchange.microsoft.com> (raw)
In-Reply-To: <20171105054404.23886-1-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:[~2017-11-05 5:44 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-05 5:43 [Patch v6 00/22] CIFS: Implement SMB Direct protocol Long Li
2017-11-05 5:43 ` [Patch v6 01/22] CIFS: SMBD: Add parameter rdata to smb2_new_read_req Long Li
2017-11-05 5:43 ` [Patch v6 02/22] CIFS: SMBD: Introduce kernel config option CONFIG_CIFS_SMB_DIRECT Long Li
2017-11-05 5:43 ` [Patch v6 03/22] CIFS: SMBD: Add rdma mount option Long Li
2017-11-05 5:43 ` [Patch v6 04/22] CIFS: SMBD: Add SMB Direct protocol initial values and constants Long Li
[not found] ` <20171105054404.23886-5-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-11-20 3:53 ` Steve French
2017-11-05 5:43 ` [Patch v6 09/22] CIFS: SMBD: Implement function to reconnect to a SMB Direct transport Long Li
[not found] ` <20171105054404.23886-1-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-11-05 5:43 ` [Patch v6 05/22] CIFS: SMBD: Establish SMB Direct connection Long Li
2017-11-05 5:43 ` [Patch v6 06/22] CIFS: SMBD: export protocol initial values Long Li
2017-11-05 5:43 ` [Patch v6 07/22] CIFS: SMBD: Implement function to create a SMB Direct connection Long Li
[not found] ` <20171105054404.23886-8-longli-Lp/cVzEoVyZiJJESP9tAQJZ3qXmFLfmx@public.gmane.org>
2017-11-20 7:38 ` Leif Sahlberg
2017-11-20 16:56 ` Steve French
2017-11-05 5:43 ` [Patch v6 08/22] CIFS: SMBD: Upper layer connects to SMBDirect session Long Li
2017-11-05 5:43 ` [Patch v6 10/22] CIFS: SMBD: Upper layer reconnects to SMB Direct session Long Li
2017-11-05 5:43 ` [Patch v6 11/22] CIFS: SMBD: Implement function to destroy a SMB Direct connection Long Li
2017-11-05 5:43 ` [Patch v6 12/22] CIFS: SMBD: Upper layer destroys SMB Direct session on shutdown or umount Long Li
2017-11-05 5:43 ` [Patch v6 14/22] CIFS: SMBD: Implement function to receive data via RDMA receive Long Li
2017-11-05 5:43 ` [Patch v6 15/22] CIFS: SMBD: Upper layer receives " Long Li
2017-11-05 5:43 ` [Patch v6 16/22] CIFS: SMBD: Implement function to send data via RDMA send Long Li
2017-11-05 5:43 ` [Patch v6 17/22] CIFS: SMBD: Upper layer sends " Long Li
2017-11-05 5:44 ` [Patch v6 18/22] CIFS: SMBD: Implement RDMA memory registration Long Li
2017-11-05 5:44 ` [Patch v6 19/22] CIFS: SMBD: Upper layer performs SMB write via RDMA read through " Long Li
2017-11-05 5:44 ` [Patch v6 20/22] CIFS: SMBD: Read correct returned data length for RDMA write (SMB read) I/O Long Li
2017-11-05 5:44 ` [Patch v6 21/22] CIFS: SMBD: Upper layer performs SMB read via RDMA write through memory registration Long Li
2017-11-05 5:43 ` [Patch v6 13/22] CIFS: SMBD: Set SMB Direct maximum read or write size for I/O Long Li
2017-11-05 5:44 ` Long Li [this message]
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