From owner-svn-src-head@freebsd.org Mon Sep 23 08:53:14 2019 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id B3B9EECE52; Mon, 23 Sep 2019 08:53:14 +0000 (UTC) (envelope-from mjg@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46cJ4p4KBFz3Fyr; Mon, 23 Sep 2019 08:53:14 +0000 (UTC) (envelope-from mjg@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 78E26C7C3; Mon, 23 Sep 2019 08:53:14 +0000 (UTC) (envelope-from mjg@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x8N8rEqh024578; Mon, 23 Sep 2019 08:53:14 GMT (envelope-from mjg@FreeBSD.org) Received: (from mjg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x8N8rEnu024577; Mon, 23 Sep 2019 08:53:14 GMT (envelope-from mjg@FreeBSD.org) Message-Id: <201909230853.x8N8rEnu024577@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mjg set sender to mjg@FreeBSD.org using -f From: Mateusz Guzik Date: Mon, 23 Sep 2019 08:53:14 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r352617 - head/sys/kern X-SVN-Group: head X-SVN-Commit-Author: mjg X-SVN-Commit-Paths: head/sys/kern X-SVN-Commit-Revision: 352617 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Sep 2019 08:53:14 -0000 Author: mjg Date: Mon Sep 23 08:53:14 2019 New Revision: 352617 URL: https://svnweb.freebsd.org/changeset/base/352617 Log: cache: count evictions of negatve entries Sponsored by: The FreeBSD Foundation Modified: head/sys/kern/vfs_cache.c Modified: head/sys/kern/vfs_cache.c ============================================================================== --- head/sys/kern/vfs_cache.c Mon Sep 23 07:23:29 2019 (r352616) +++ head/sys/kern/vfs_cache.c Mon Sep 23 08:53:14 2019 (r352617) @@ -378,6 +378,8 @@ STATNODE_COUNTER(numfullpathfail2, "Number of fullpath search errors (VOP_VPTOCNP failures)"); STATNODE_COUNTER(numfullpathfail4, "Number of fullpath search errors (ENOMEM)"); STATNODE_COUNTER(numfullpathfound, "Number of successful fullpath calls"); +static long numneg_evicted; STATNODE_ULONG(numneg_evicted, + "Number of negative entries evicted when adding a new entry"); STATNODE_COUNTER(zap_and_exit_bucket_relock_success, "Number of successful removals after relocking"); static long zap_and_exit_bucket_fail; STATNODE_ULONG(zap_and_exit_bucket_fail, @@ -844,6 +846,7 @@ cache_negative_zap_one(void) ncp->nc_name, ncp->nc_neghits); cache_zap_locked(ncp, true); + numneg_evicted++; out_unlock_all: mtx_unlock(&neglist->nl_lock); rw_wunlock(blp);