From patchwork Wed Oct 18 23:09:20 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Long Li X-Patchwork-Id: 10015507 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 72FCA602C8 for ; Wed, 18 Oct 2017 23:14:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 65206285A9 for ; Wed, 18 Oct 2017 23:14:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 586DF2868D; Wed, 18 Oct 2017 23:14:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.4 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_SPAM autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 544BE28968 for ; Wed, 18 Oct 2017 23:14:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751516AbdJRXNp (ORCPT ); Wed, 18 Oct 2017 19:13:45 -0400 Received: from a2nlsmtp01-05.prod.iad2.secureserver.net ([198.71.225.49]:38008 "EHLO a2nlsmtp01-05.prod.iad2.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751346AbdJRXK5 (ORCPT ); Wed, 18 Oct 2017 19:10:57 -0400 Received: from linuxonhyperv.com ([107.180.71.197]) by : HOSTING RELAY : with SMTP id 4xT9ej0w0e1QA4xT9enUYc; Wed, 18 Oct 2017 16:09:55 -0700 x-originating-ip: 107.180.71.197 Received: from longli by linuxonhyperv.com with local (Exim 4.89) (envelope-from ) id 1e4xT9-0005WL-PM; Wed, 18 Oct 2017 16:09:47 -0700 From: Long Li To: Steve French , linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, Tom Talpey , Matthew Wilcox , Stephen Hemminger Cc: Long Li Subject: [Patch v5 21/21] CIFS: SMBD: Add SMB Direct debug counters Date: Wed, 18 Oct 2017 16:09:20 -0700 Message-Id: <20171018230920.21042-22-longli@exchange.microsoft.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20171018230920.21042-1-longli@exchange.microsoft.com> References: <20171018230920.21042-1-longli@exchange.microsoft.com> X-CMAE-Envelope: MS4wfJ/BuENV/CbcvoHzu6kD93leXBo9w4Eu52IKW9LZtimYp644CkywumzA/Oq20/7gmihdtOclQhag4dlLw9aFEcViOQ8xordYIl8RHKUShVFG4iAwrQms MuEtgBiwaE7j+Jfo08XXMJzfiUbgxALeYbFA2DFMyz12Sla3krxvfwZlobHwoX4sMiMvSRXEcRKzrB7rtuOz9oXkEW4uE2Rmt1SHr6rQYqfkSTYmHWXgGvJD oghdvoj0CWaYM2d6LIbasTc0JIqg/U/UGe+J0x+71yGeCxhpH84VsLYSAM8oP77KX6qhNjmALb7wczoWqHa58M7VO0yYrr8+5HmBsGCJ7TTdebj2zruLU7+p othzHZl1RkRU0egbczJmaeVrobR99pMFdLxQycJXgaXdFEqj1KyOP3mWSe4UzlYRz7DprtJor04ycFpMICWcKSSJx8XUom74oyzhmJjIGjKhNL7hF1zGDoFK GsIYbxDS14rzdwuX Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Long Li For debugging and troubleshooting, export SMBDirect debug counters to /proc/fs/cifs/DebugData. Signed-off-by: Long Li --- 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) {