Date: Sat, 9 May 2015 22:59:12 +0000 (UTC) From: "George V. Neville-Neil" <gnn@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r282701 - stable/10/cddl/lib/libdtrace Message-ID: <201505092259.t49MxCiF081904@svn.freebsd.org>
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Author: gnn Date: Sat May 9 22:59:11 2015 New Revision: 282701 URL: https://svnweb.freebsd.org/changeset/base/282701 Log: MFC: 273293 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 Modified: stable/10/cddl/lib/libdtrace/tcp.d Directory Properties: stable/10/ (props changed) Modified: stable/10/cddl/lib/libdtrace/tcp.d ============================================================================== --- stable/10/cddl/lib/libdtrace/tcp.d Sat May 9 22:48:48 2015 (r282700) +++ stable/10/cddl/lib/libdtrace/tcp.d Sat May 9 22:59:11 2015 (r282701) @@ -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) / `hz; 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 "1.0" translator
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