From owner-svn-src-head@FreeBSD.ORG Sun Oct 19 23:13:17 2014 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 5C1CEDF6; Sun, 19 Oct 2014 23:13:17 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 47E14694; Sun, 19 Oct 2014 23:13:17 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id s9JNDHgM026656; Sun, 19 Oct 2014 23:13:17 GMT (envelope-from gnn@FreeBSD.org) Received: (from gnn@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id s9JNDHh9026655; Sun, 19 Oct 2014 23:13:17 GMT (envelope-from gnn@FreeBSD.org) Message-Id: <201410192313.s9JNDHh9026655@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: gnn set sender to gnn@FreeBSD.org using -f From: "George V. Neville-Neil" Date: Sun, 19 Oct 2014 23:13:17 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r273293 - head/cddl/lib/libdtrace X-SVN-Group: head 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: 2.1.18-1 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: Sun, 19 Oct 2014 23:13:17 -0000 Author: gnn Date: Sun Oct 19 23:13:16 2014 New Revision: 273293 URL: https://svnweb.freebsd.org/changeset/base/273293 Log: Update the TCP structure used by DTrace to show the smoothed RTT. This will allow similar functionality to SIFTR to be built with DTrace. Submitted by: Grenville Armitage MFC after: 2 weeks Modified: head/cddl/lib/libdtrace/tcp.d Modified: head/cddl/lib/libdtrace/tcp.d ============================================================================== --- head/cddl/lib/libdtrace/tcp.d Sun Oct 19 23:05:18 2014 (r273292) +++ head/cddl/lib/libdtrace/tcp.d Sun Oct 19 23:13:16 2014 (r273293) @@ -116,6 +116,7 @@ typedef struct tcpsinfo { uint32_t tcps_rto; /* round-trip timeout, msec */ uint32_t tcps_mss; /* max segment size */ int tcps_retransmit; /* retransmit send event, boolean */ + int tcps_srtt; /* smoothed RTT in units of (TCP_RTT_SCALE*hz) */ } tcpsinfo_t; /* @@ -200,6 +201,7 @@ translator tcpsinfo_t < struct tcpcb *p tcps_rto = p == NULL ? -1 : p->t_rxtcur / 1000; /* XXX */ tcps_mss = p == NULL ? -1 : p->t_maxseg; tcps_retransmit = p == NULL ? -1 : p->t_rxtshift > 0 ? 1 : 0; + tcps_srtt = p == NULL ? -1 : p->t_srtt; /* smoothed RTT in units of (TCP_RTT_SCALE*hz) */ }; #pragma D binding "1.6.3" translator