From patchwork Mon Jul 19 14:48:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever III X-Patchwork-Id: 12386011 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DA5EBC07E9B for ; Mon, 19 Jul 2021 14:52:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C7E7F6112D for ; Mon, 19 Jul 2021 14:52:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232225AbhGSOLh (ORCPT ); Mon, 19 Jul 2021 10:11:37 -0400 Received: from mail.kernel.org ([198.145.29.99]:41186 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241054AbhGSOI2 (ORCPT ); Mon, 19 Jul 2021 10:08:28 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 572296113B; Mon, 19 Jul 2021 14:48:35 +0000 (UTC) Subject: [PATCH v2 6/6] SUNRPC: Record timeout value in xprt_retransmit tracepoint From: Chuck Lever To: trondmy@hammerspace.com, anna.schumaker@netapp.com Cc: linux-nfs@vger.kernel.org Date: Mon, 19 Jul 2021 10:48:34 -0400 Message-ID: <162670611464.468132.12153190117646878882.stgit@manet.1015granger.net> In-Reply-To: <162670594361.468132.16222376053830760696.stgit@manet.1015granger.net> References: <162670594361.468132.16222376053830760696.stgit@manet.1015granger.net> User-Agent: StGit/1.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org The client can alter the timeout value after each retransmit. Record the updated timeout value in the trace log. Suggested-by: Dai Ngo Signed-off-by: Chuck Lever --- include/trace/events/sunrpc.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h index 59ad1718496b..18d552a17c19 100644 --- a/include/trace/events/sunrpc.h +++ b/include/trace/events/sunrpc.h @@ -1061,6 +1061,7 @@ TRACE_EVENT(xprt_retransmit, __field(u32, xid) __field(int, ntrans) __field(int, version) + __field(unsigned long, timeout) __string(progname, rqst->rq_task->tk_client->cl_program->name) __string(procname, rpc_proc_name(rqst->rq_task)) @@ -1074,6 +1075,7 @@ TRACE_EVENT(xprt_retransmit, task->tk_client->cl_clid : -1; __entry->xid = be32_to_cpu(rqst->rq_xid); __entry->ntrans = rqst->rq_ntrans; + __entry->timeout = task->tk_timeout; __assign_str(progname, task->tk_client->cl_program->name); __entry->version = task->tk_client->cl_vers; @@ -1081,10 +1083,10 @@ TRACE_EVENT(xprt_retransmit, ), TP_printk( - "task:%u@%u xid=0x%08x %sv%d %s ntrans=%d", + "task:%u@%u xid=0x%08x %sv%d %s ntrans=%d timeout=%lu", __entry->task_id, __entry->client_id, __entry->xid, __get_str(progname), __entry->version, __get_str(procname), - __entry->ntrans + __entry->ntrans, __entry->timeout ) );