From owner-dev-commits-src-all@freebsd.org Sun Apr 4 17:39:31 2021 Return-Path: Delivered-To: dev-commits-src-all@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 4E28E5ADA7B; Sun, 4 Apr 2021 17:39:31 +0000 (UTC) (envelope-from git@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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FD1J31gFLz3jc0; Sun, 4 Apr 2021 17:39:31 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 2AE2B156D; Sun, 4 Apr 2021 17:39:31 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 134HdVY0000622; Sun, 4 Apr 2021 17:39:31 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 134HdVYt000621; Sun, 4 Apr 2021 17:39:31 GMT (envelope-from git) Date: Sun, 4 Apr 2021 17:39:31 GMT Message-Id: <202104041739.134HdVYt000621@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Konstantin Belousov Subject: git: 89619b747bcf - main - Add sysctl debug.uma_reclaim MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 89619b747bcff379dca98e975a98865a45366417 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 04 Apr 2021 17:39:31 -0000 The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=89619b747bcff379dca98e975a98865a45366417 commit 89619b747bcff379dca98e975a98865a45366417 Author: Konstantin Belousov AuthorDate: 2021-04-04 16:28:14 +0000 Commit: Konstantin Belousov CommitDate: 2021-04-04 17:39:06 +0000 Add sysctl debug.uma_reclaim Sponsored by: The FreeBSD Foundation MFC after: 1 week --- sys/vm/vm_kern.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/sys/vm/vm_kern.c b/sys/vm/vm_kern.c index f767f01acaa5..77d9a4105862 100644 --- a/sys/vm/vm_kern.c +++ b/sys/vm/vm_kern.c @@ -903,3 +903,23 @@ debug_vm_lowmem(SYSCTL_HANDLER_ARGS) SYSCTL_PROC(_debug, OID_AUTO, vm_lowmem, CTLTYPE_INT | CTLFLAG_MPSAFE | CTLFLAG_RW, 0, 0, debug_vm_lowmem, "I", "set to trigger vm_lowmem event with given flags"); + +static int +debug_uma_reclaim(SYSCTL_HANDLER_ARGS) +{ + int error, i; + + i = 0; + error = sysctl_handle_int(oidp, &i, 0, req); + if (error != 0) + return (error); + if (i != UMA_RECLAIM_TRIM && i != UMA_RECLAIM_DRAIN && + i != UMA_RECLAIM_DRAIN_CPU) + return (EINVAL); + uma_reclaim(i); + return (0); +} + +SYSCTL_PROC(_debug, OID_AUTO, uma_reclaim, + CTLTYPE_INT | CTLFLAG_MPSAFE | CTLFLAG_RW, 0, 0, debug_uma_reclaim, "I", + "set to generate request to reclaim uma caches");