Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp2714306pxj; Mon, 10 May 2021 09:07:00 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwwxjFwPBXq3LbVrZsTHhxBSGcIHfqrEWYkg2N+LlWptHauD/9ItX1L4YuuEXBDRHTLZa0t X-Received: by 2002:a05:6402:3494:: with SMTP id v20mr29930645edc.169.1620662820036; Mon, 10 May 2021 09:07:00 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1620662820; cv=none; d=google.com; s=arc-20160816; b=yOdEXymzrYghMuQV5GKRammVyW9aKfVs69WWutmtQETlxyR85lgPPEZsWHg4RBw1Vh fvxl9uTiCCLVI2tJoN7APgJydv7SpAXn7Sy1rs9vjcUU0S/X5jvT3Jxuyc6phb94NnDt VutWHaT+x/eegbIkn/JKbpgep4z3EMS4hA7v1x9qsawVsUuvmN5aNnq3SVp75WscL+kc s11WbZFxJq1BfIuTsmMTLm3MVNM4/wyF2dG+3eg2atUnyk38+FiUVc0mdvOvPrUaixe3 TmSs32X1bVvav31WYgBRJJMK501ZjL3kwi7gRBy21MGuVgch2be4jKzvIpqyY0Qff/0C l87g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :user-agent:message-id:date:cc:to:from:subject; bh=XBcXANwXY2OnHCiA0ZMd/xNBtMtpm2qAf94NQoTeEuI=; b=dcD81pJPXZfGzj3l7L6/bIzGX+1cCCK/aA+fxDuSjUW+7KBOAlj2UCXIuK1IYM78Xk Buh/KAjoNv/BOWLz8LcFscmQMVAMKANAkTDzIGoX/+ut6cBNsqmn1MqtRI4+yjwbj5h8 sdJmZ8200xA5FX++JHfz6NLVMdIqSoZMhIE3fqZuQOpu6kdwTI+Xn6wpBCNMmDoXTrdR n20D7wQzNRLeRDDSb13u2kulUj3wAxfAwMJed26OtRJRPlbg94Ij+K+2wOifgjZGXt2+ 8yPUronvXYiGzCVm4vnWONfLnT1qQ4V2p2dYCSvnNMZdSsk+nfSC1wZDhmEJgXLsC6bE 8NFw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=oracle.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id d4si3885863ejz.692.2021.05.10.09.06.34; Mon, 10 May 2021 09:07:00 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231256AbhEJPwq (ORCPT + 99 others); Mon, 10 May 2021 11:52:46 -0400 Received: from mail.kernel.org ([198.145.29.99]:42858 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230512AbhEJPwn (ORCPT ); Mon, 10 May 2021 11:52:43 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 21B7C6100A; Mon, 10 May 2021 15:51:38 +0000 (UTC) Subject: [PATCH RFC 00/21] NFSD callback and lease management observability From: Chuck Lever To: dwysocha@redhat.com, bfields@fieldses.org Cc: linux-nfs@vger.kernel.org Date: Mon, 10 May 2021 11:51:36 -0400 Message-ID: <162066179690.94415.203187037032448300.stgit@klimt.1015granger.net> User-Agent: StGit/1.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Happy Monday. I've hacked together some improvements to the tracepoints that record server callback and lease management activity. I'm interested in review comments and testing. I'm sure I've missed your favorite edge case, so please let me know what it is! --- Chuck Lever (21): NFSD: Constify @fh argument of knfsd_fh_hash() NFSD: Capture every CB state transition NFSD: Drop TRACE_DEFINE_ENUM for NFSD4_CB_ macros NFSD: Add cb_lost tracepoint NFSD: Adjust cb_shutdown tracepoint NFSD: Remove spurious cb_setup_err tracepoint NFSD: Enhance the nfsd_cb_setup tracepoint NFSD: Add an nfsd_cb_lm_notify tracepoint NFSD: Add an nfsd_cb_offload tracepoint NFSD: Replace the nfsd_deleg_break tracepoint NFSD: Add an nfsd_cb_probe tracepoint NFSD: Remove the nfsd_cb_work and nfsd_cb_done tracepoints NFSD: Update nfsd_cb_args tracepoint NFSD: Add nfsd_clid_cred_mismatch tracepoint NFSD: Add nfsd_clid_verf_mismatch tracepoint NFSD: Remove nfsd_clid_inuse_err NFSD: Add nfsd_clid_confirmed tracepoint NFSD: Add nfsd_clid_destroyed tracepoint NFSD: Add a couple more nfsd_clid_expired call sites NFSD: Rename nfsd_clid_class NFSD: Add tracepoints to observe clientID activity fs/nfsd/nfs4callback.c | 45 ++++---- fs/nfsd/nfs4proc.c | 1 + fs/nfsd/nfs4state.c | 56 +++++++--- fs/nfsd/nfsfh.h | 7 +- fs/nfsd/trace.h | 227 ++++++++++++++++++++++++++++++++++------- 5 files changed, 254 insertions(+), 82 deletions(-) -- Chuck Lever