From patchwork Sun Aug 20 19:04:43 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Long Li X-Patchwork-Id: 9911335 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 5DCF960382 for ; Sun, 20 Aug 2017 19:07:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4E78728739 for ; Sun, 20 Aug 2017 19:07:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3F1672875B; Sun, 20 Aug 2017 19:07:37 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI 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 E4F9D28758 for ; Sun, 20 Aug 2017 19:07:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753401AbdHTTHI (ORCPT ); Sun, 20 Aug 2017 15:07:08 -0400 Received: from a2nlsmtp01-02.prod.iad2.secureserver.net ([198.71.225.36]:53674 "EHLO a2nlsmtp01-02.prod.iad2.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753767AbdHTTHH (ORCPT ); Sun, 20 Aug 2017 15:07:07 -0400 Received: from linuxonhyperv.com ([107.180.71.197]) by : HOSTING RELAY : with SMTP id jVXyd4nXwfLxKjVXydXeBe; Sun, 20 Aug 2017 12:06:06 -0700 x-originating-ip: 107.180.71.197 Received: from longli by linuxonhyperv.com with local (Exim 4.89) (envelope-from ) id 1djVXy-0000pk-8c; Sun, 20 Aug 2017 12:06:06 -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, Christoph Hellwig , Tom Talpey , Matthew Wilcox Cc: Long Li Subject: [Patch v2 19/19] CIFS: SMBD: Add SMBDirect debug counters Date: Sun, 20 Aug 2017 12:04:43 -0700 Message-Id: <1503255883-3041-20-git-send-email-longli@exchange.microsoft.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1503255883-3041-1-git-send-email-longli@exchange.microsoft.com> References: <1503255883-3041-1-git-send-email-longli@exchange.microsoft.com> X-CMAE-Envelope: MS4wfELQOe+znWOKb7Yy8Q9MV9byk2rHAa22wAEd5vZ68vr/oG6htCPei/41VlaEI+RgptuFs7tiNm42qzcena3iXSZk4jcN9fVN13wiN2K7OYWGlUu+APcL 4kJkX2mHU73lY1zERucVeUHWiW22ERP5mkraNeCP4N6JezVEipf7fKBDQt46oHpCeIsuPKLwo2sGsGIOHE/K895OLEQb++xZGqv8rbOUQs5xP98pQp/K5gr0 YMsWTwZAusrpdjjalza5RcRemFvzstKW2pUnymYxqOr/Bl1q5qP3tWsR/5aO6CCjDP8fUAW0YvzloVgnLawRO3rcOHRBtS2OqRdBgtQ1Y9QAOOrG1TiQ43wi Ju+CuijTM4lPBWGEcrOwLzAa93Npy7Gh37cC3uTJe7Us2LXqxoYYwl5DCfQNJMC/gCMNsDTeMZiZbeurxsgK9ZzrX0MMEyFgO8Fo7L+04+XzK81NAciHUHvH 6vRJWlG48Ei5Qhbd 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 Export SMBDirect debug counters to /proc/fs/cifs/DebugData, for debugging and troubleshooting. Signed-off-by: Long Li --- fs/cifs/cifs_debug.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index ba0870d..ca73950 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 +153,51 @@ 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 transport status (all numbers in hex) protocol version: %x", + server->smbd_conn->protocol); + 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_receive_buffer: %x count_get_receive_buffer: %x count_put_receive_buffer: %x count_send_empty: %x", + server->smbd_conn->count_receive_buffer, + 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", + 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); + 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 recv_pending: %x read_pending: %x", + atomic_read(&server->smbd_conn->send_pending), + atomic_read(&server->smbd_conn->send_payload_pending), + atomic_read(&server->smbd_conn->recv_pending), + atomic_read(&server->smbd_conn->read_pending)); + 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", + atomic_read(&server->smbd_conn->mr_ready_count)); + +skip_rdma: seq_printf(m, "\nNumber of credits: %d", server->credits); i++; list_for_each(tmp2, &server->smb_ses_list) {