From owner-svn-src-head@freebsd.org Wed May 23 20:50:11 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 EB5B9EB1A55; Wed, 23 May 2018 20:50:10 +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 997177E12C; Wed, 23 May 2018 20:50:10 +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 7A93427E23; Wed, 23 May 2018 20:50:10 +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 w4NKoAe2064634; Wed, 23 May 2018 20:50:10 GMT (envelope-from mmacy@FreeBSD.org) Received: (from mmacy@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w4NKoATG064633; Wed, 23 May 2018 20:50:10 GMT (envelope-from mmacy@FreeBSD.org) Message-Id: <201805232050.w4NKoATG064633@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mmacy set sender to mmacy@FreeBSD.org using -f From: Matt Macy Date: Wed, 23 May 2018 20:50:10 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r334116 - head/sys/netinet X-SVN-Group: head X-SVN-Commit-Author: mmacy X-SVN-Commit-Paths: head/sys/netinet X-SVN-Commit-Revision: 334116 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: 2.1.26 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: Wed, 23 May 2018 20:50:11 -0000 Author: mmacy Date: Wed May 23 20:50:09 2018 New Revision: 334116 URL: https://svnweb.freebsd.org/changeset/base/334116 Log: udp: assign flowid to udp sockets round-robin On a 2x8x2 SKL this increases measured throughput with 64 netperf -H $DUT -t UDP_STREAM -- -m 1 from 590kpps to 1.1Mpps before: https://people.freebsd.org/~mmacy/2018.05.11/udpsender.svg after: https://people.freebsd.org/~mmacy/2018.05.11/udpsender2.svg Modified: head/sys/netinet/udp_usrreq.c Modified: head/sys/netinet/udp_usrreq.c ============================================================================== --- head/sys/netinet/udp_usrreq.c Wed May 23 20:06:04 2018 (r334115) +++ head/sys/netinet/udp_usrreq.c Wed May 23 20:50:09 2018 (r334116) @@ -1565,6 +1565,7 @@ udp_abort(struct socket *so) static int udp_attach(struct socket *so, int proto, struct thread *td) { + static uint32_t udp_flowid; struct inpcb *inp; struct inpcbinfo *pcbinfo; int error; @@ -1585,6 +1586,8 @@ udp_attach(struct socket *so, int proto, struct thread inp = sotoinpcb(so); inp->inp_vflag |= INP_IPV4; inp->inp_ip_ttl = V_ip_defttl; + inp->inp_flowid = atomic_fetchadd_int(&udp_flowid, 1); + inp->inp_flowtype = M_HASHTYPE_OPAQUE; error = udp_newudpcb(inp); if (error) {