<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content="text/html; charset=gb2312" http-equiv=Content-Type> <META name=GENERATOR content="MSHTML 8.00.6001.19046"><LINK rel=stylesheet href="BLOCKQUOTE{margin-Top: 0px; margin-Bottom: 0px; margin-Left: 2em}"></HEAD> <BODY style="MARGIN: 10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt"> <DIV><FONT size=2 face=Verdana>hi all</FONT></DIV> <DIV style="TEXT-INDENT: 2em"> </DIV> <DIV style="TEXT-INDENT: 2em">I'm using Xen on CentOS.I wanna monitor the network activity of a domain. When I use Domain.InterfaceStats( ... ), which is the C# binding of virDomainInterfaceStats, it returns -1.</DIV> <DIV> </DIV> <DIV style="TEXT-INDENT: 2em">I wonder if the function is not supported by Xen. So I using "domifstat", and I get</DIV> <DIV style="TEXT-INDENT: 2em"> </DIV> <DIV>vif1.0 rx_bytes 0<BR>vif1.0 rx_packets 0<BR>vif1.0 rx_errs 0<BR>vif1.0 rx_drop 0<BR>vif1.0 tx_bytes 0<BR>vif1.0 tx_packets 0<BR>vif1.0 tx_errs 0<BR>vif1.0 tx_drop 0</DIV> <DIV> </DIV> <DIV style="TEXT-INDENT: 2em">but it never change even when I use that domain to ping another.</DIV> <DIV style="TEXT-INDENT: 2em"> </DIV> <DIV style="TEXT-INDENT: 2em">virsh version:</DIV> <DIV style="TEXT-INDENT: 2em"> </DIV> <DIV style="TEXT-INDENT: 2em"> <DIV>Compiled against library: libvir 0.8.4</DIV> <DIV>Using library: libvir 0.8.4</DIV> <DIV>Using API: Xen 3.0.1</DIV> <DIV>Running hypervisor: Xen 3.3.0</DIV></DIV> <DIV style="TEXT-INDENT: 2em"> </DIV> <DIV style="TEXT-INDENT: 2em">My question is, is Xen not support virDomainInterfaceStats or is somewhere I've gone wrong, that I can't get the network i/o statistics?</DIV> <DIV style="TEXT-INDENT: 2em">Thank you !<BR></DIV> <DIV><FONT size=2 face=Verdana></FONT> </DIV> <DIV align=left><FONT color=#c0c0c0 size=2 face=Verdana>2011-05-11 </FONT></DIV><FONT size=2 face=Verdana> <HR style="WIDTH: 122px; HEIGHT: 2px" align=left SIZE=2> <DIV><FONT color=#c0c0c0 size=2 face=Verdana><SPAN>»ĆÁÁ</SPAN> </FONT></DIV></FONT></BODY></HTML>