Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1722749
| From | Long Li <longli@exchange.microsoft.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [Patch v3 19/19] CIFS: SMBD: Add SMBDirect debug counters |
| Date | 2017-08-29 21:40 +0200 |
| Message-ID | <ujUwG-6Me-31@gated-at.bofh.it> (permalink) |
| References | <ujUwF-6Me-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Long Li <longli@microsoft.com>
Export SMBDirect debug counters to /proc/fs/cifs/DebugData.
Those are used for debugging, troubleshooting and profiling.
Signed-off-by: Long Li <longli@microsoft.com>
---
fs/cifs/cifs_debug.c | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 82 insertions(+)
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index ba0870d..dad13d5 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -30,6 +30,7 @@
#include "cifsproto.h"
#include "cifs_debug.h"
#include "cifsfs.h"
+#include "smbdirect.h"
void
cifs_dump_mem(char *label, void *data, int length)
@@ -152,6 +153,87 @@ 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);
+
+ 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));
+
+ seq_printf(m, "\nTSC cycle histogram in I/O path: "
+ "(the number of most significant bits)");
+ seq_printf(m, "\nsmbd_register_mr cycles [1/10000]: ");
+ profiling_display_histogram(m, server->smbd_conn->smbd_register_mr_cycles);
+
+ seq_printf(m, "\nsmbd_deregister_mr cycles [1/10000]: ");
+ profiling_display_histogram(m, server->smbd_conn->smbd_deregister_mr_cycles);
+
+ seq_printf(m, "\nsmbd_send cycles [1/10000]: ");
+ profiling_display_histogram(m, server->smbd_conn->smbd_write_cycles);
+
+ seq_printf(m, "\nsmbd_recv cycles [1/10000]: ");
+ profiling_display_histogram(m, server->smbd_conn->smbd_recv_cycles);
+
+ seq_printf(m, "\nrecv_done cycles [1/10000]: ");
+ profiling_display_histogram(m, server->smbd_conn->recv_done_cycles);
+skip_rdma:
seq_printf(m, "\nNumber of credits: %d", server->credits);
i++;
list_for_each(tmp2, &server->smb_ses_list) {
--
2.7.4
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[Patch v3 00/19] CIFS: Implement SMB Direct Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 07/19] CIFS: SMBD: Destroy SMBDirect session on shutdown or umount Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 04/19] CIFS: SMBD: Add SMBDirect transport to SMB connection and Makefile Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
Re: [Patch v3 04/19] CIFS: SMBD: Add SMBDirect transport to SMB connection and Makefile Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 01:20 +0200
RE: [Patch v3 04/19] CIFS: SMBD: Add SMBDirect transport to SMB connection and Makefile Long Li <longli@microsoft.com> - 2017-08-30 01:20 +0200
[Patch v3 09/19] CIFS: SMBD: Receive data from SMBDirect Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 01/19] CIFS: Add rdma mount option Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
Re: [Patch v3 01/19] CIFS: Add rdma mount option Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 00:40 +0200
RE: [Patch v3 01/19] CIFS: Add rdma mount option Long Li <longli@microsoft.com> - 2017-08-30 01:00 +0200
[Patch v3 11/19] CIFS: SMBD: Define memory registration for I/O data Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
Re: [Patch v3 11/19] CIFS: SMBD: Define memory registration for I/O data Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 02:50 +0200
RE: [Patch v3 11/19] CIFS: SMBD: Define memory registration for I/O data Long Li <longli@microsoft.com> - 2017-08-30 04:20 +0200
[Patch v3 12/19] CIFS: SMBD: Fix the definition for SMB2_CHANNEL_RDMA_V1_INVALIDATE Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
Re: [Patch v3 12/19] CIFS: SMBD: Fix the definition for SMB2_CHANNEL_RDMA_V1_INVALIDATE Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 03:00 +0200
RE: [Patch v3 12/19] CIFS: SMBD: Fix the definition for SMB2_CHANNEL_RDMA_V1_INVALIDATE Long Li <longli@microsoft.com> - 2017-08-30 04:20 +0200
[Patch v3 10/19] CIFS: SMBD: Send data through SMBDirect Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 19/19] CIFS: SMBD: Add SMBDirect debug counters Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 17/19] CIFS: SMBD: Implement SMB read via RDMA write through memory registration Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 14/19] CIFS: SMBD: Deregister memory on finishing SMB write Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 08/19] CIFS: SMBD: Set SMBDirect maximum read or write size for I/O Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 18/19] CIFS: SMBD: Deregister memory when finishing SMB read Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 06/19] CIFS: SMBD: Reconnect to SMBDirect session Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
Re: [Patch v3 06/19] CIFS: SMBD: Reconnect to SMBDirect session Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 01:30 +0200
RE: [Patch v3 06/19] CIFS: SMBD: Reconnect to SMBDirect session Long Li <longli@microsoft.com> - 2017-08-30 01:40 +0200
[Patch v3 15/19] CIFS: SMBD: Add parameter rdata to smb2_new_read_req Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 13/19] CIFS: SMBD: Implement SMB write via RDMA read through memory registration Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
[Patch v3 02/19] CIFS: SMBD: Add SMBDirect protocol and transport constants Long Li <longli@exchange.microsoft.com> - 2017-08-29 21:40 +0200
Re: [Patch v3 02/19] CIFS: SMBD: Add SMBDirect protocol and transport constants Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 00:50 +0200
RE: [Patch v3 02/19] CIFS: SMBD: Add SMBDirect protocol and transport constants Long Li <longli@microsoft.com> - 2017-08-30 01:10 +0200
Re: [Patch v3 02/19] CIFS: SMBD: Add SMBDirect protocol and transport constants Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 20:20 +0200
RE: [Patch v3 02/19] CIFS: SMBD: Add SMBDirect protocol and transport constants Long Li <longli@microsoft.com> - 2017-08-30 20:30 +0200
Re: [Patch v3 02/19] CIFS: SMBD: Add SMBDirect protocol and transport constants Pavel Shilovsky <piastryyy@gmail.com> - 2017-08-30 20:40 +0200
Re: [Patch v3 02/19] CIFS: SMBD: Add SMBDirect protocol and transport constants Steve French <smfrench@gmail.com> - 2017-09-01 17:50 +0200
RE: [Patch v3 00/19] CIFS: Implement SMB Direct Long Li <longli@microsoft.com> - 2017-08-30 20:50 +0200
csiph-web