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<html><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><!--Converted with jLaTeX2HTML 2002 (1.62) JA patch-1.4patched version by: Kenshi Muto, Debian Project.LaTeX2HTML 2002 (1.62),original version by: Nikos Drakos, CBLU, University of Leeds* revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan* with significant contributions from: Jens Lippmann, Marek Rouchal, Martin Wilck and others --><HTML><HEAD><TITLE>32.1.2.0.1 trace</TITLE><META NAME="description" CONTENT="32.1.2.0.1 trace"><META NAME="keywords" CONTENT="everything"><META NAME="resource-type" CONTENT="document"><META NAME="distribution" CONTENT="global"><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"><META NAME="Generator" CONTENT="jLaTeX2HTML v2002 JA patch-1.4"><META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css"><LINK REL="STYLESHEET" HREF="everything.css" tppabs="http://www.isi.edu/nsnam/ns/doc/everything.css"><LINK REL="next" HREF="node411.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node411.html"><LINK REL="previous" HREF="node409.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node409.html"><LINK REL="up" HREF="node409.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node409.html"><LINK REL="next" HREF="node411.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node411.html"></HEAD><BODY ><!--Navigation Panel--><A NAME="tex2html7699" HREF="node411.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node411.html"><IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="file:/usr/share/latex2html/icons/next.png"></A> <A NAME="tex2html7693" HREF="node409.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node409.html"><IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="file:/usr/share/latex2html/icons/up.png"></A> <A NAME="tex2html7687" HREF="node409.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node409.html"><IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="file:/usr/share/latex2html/icons/prev.png"></A> <A NAME="tex2html7695" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html"><IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="file:/usr/share/latex2html/icons/contents.png"></A> <A NAME="tex2html7697" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html"><IMG WIDTH="43" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="index" SRC="file:/usr/share/latex2html/icons/index.png"></A> <BR><B> Next:</B> <A NAME="tex2html7700" HREF="node411.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node411.html">32.1.2.0.2 print</A><B> Up:</B> <A NAME="tex2html7694" HREF="node409.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node409.html">32.1.2 Commands</A><B> Previous:</B> <A NAME="tex2html7688" HREF="node409.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node409.html">32.1.2 Commands</A>   <B> <A NAME="tex2html7696" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html7698" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html">Index</A></B> <BR><BR><!--End of Navigation Panel--><H4><A NAME="SECTION06312010000000000000">32.1.2.0.1 trace</A></H4> Tracks given variables. The variable (and associated information) is printed every time the value changes. Takes 1 argument: <DL COMPACT><DT></DT><DD><TT>cwnd_</TT> Used to trace the cwnds of all paths. <P></DD><DT></DT><DD><TT>rto_</TT> Used to trace the RTOs of all paths.<P></DD><DT></DT><DD><TT>errorCount_</TT> Used to trace the error counters of all paths.<P></DD></DL> Note: the actual value of these trace variables have no meaning. They are simply used to trace corresponding variables for potentially multihomed endpoints. For example, if a sender's peer endpoint has two destinations, the sender will maintain two cwnds. The <TT>cwnd_</TT> trace variable will trace both of these cwnds together.<P><BR><HR><ADDRESS>2003-09-23</ADDRESS></BODY></HTML>⌨️ 快捷键说明
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