From owner-svn-src-head@freebsd.org Fri May 4 06:51:02 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8CA7EFC9DBB; Fri, 4 May 2018 06:51:02 +0000 (UTC) (envelope-from mmacy@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3F0FA8487A; Fri, 4 May 2018 06:51:02 +0000 (UTC) (envelope-from mmacy@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 3A1B4328D; Fri, 4 May 2018 06:51:02 +0000 (UTC) (envelope-from mmacy@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w446p2t6010840; Fri, 4 May 2018 06:51:02 GMT (envelope-from mmacy@FreeBSD.org) Received: (from mmacy@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w446p2iB010839; Fri, 4 May 2018 06:51:02 GMT (envelope-from mmacy@FreeBSD.org) Message-Id: <201805040651.w446p2iB010839@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mmacy set sender to mmacy@FreeBSD.org using -f From: Matt Macy Date: Fri, 4 May 2018 06:51:02 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r333242 - head/sys/kern X-SVN-Group: head X-SVN-Commit-Author: mmacy X-SVN-Commit-Paths: head/sys/kern X-SVN-Commit-Revision: 333242 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: 2.1.25 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: Fri, 04 May 2018 06:51:02 -0000 Author: mmacy Date: Fri May 4 06:51:01 2018 New Revision: 333242 URL: https://svnweb.freebsd.org/changeset/base/333242 Log: `dup1_processes -t 96 -s 5` on a dual 8160 x dup_before + dup_after +------------------------------------------------------------+ | x + | |x x x x ++ ++| | |____AM___| |AM|| +------------------------------------------------------------+ N Min Max Median Avg Stddev x 5 1.514954e+08 1.5230351e+08 1.5206157e+08 1.5199371e+08 341205.71 + 5 1.5494336e+08 1.5519569e+08 1.5511982e+08 1.5508323e+08 96232.829 Difference at 95.0% confidence 3.08952e+06 +/- 365604 2.03266% +/- 0.245071% (Student's t, pooled s = 250681) Reported by: mjg@ MFC after: 1 week Modified: head/sys/kern/kern_descrip.c Modified: head/sys/kern/kern_descrip.c ============================================================================== --- head/sys/kern/kern_descrip.c Fri May 4 04:05:07 2018 (r333241) +++ head/sys/kern/kern_descrip.c Fri May 4 06:51:01 2018 (r333242) @@ -1503,7 +1503,7 @@ filecaps_copy(const struct filecaps *src, struct filec if (src->fc_ioctls != NULL && !locked) return (false); - *dst = *src; + memcpy(dst, src, sizeof(*src)); if (src->fc_ioctls == NULL) return (true); @@ -1512,7 +1512,7 @@ filecaps_copy(const struct filecaps *src, struct filec size = sizeof(src->fc_ioctls[0]) * src->fc_nioctls; dst->fc_ioctls = malloc(size, M_FILECAPS, M_WAITOK); - bcopy(src->fc_ioctls, dst->fc_ioctls, size); + memcpy(dst->fc_ioctls, src->fc_ioctls, size); return (true); }