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<DIV><FONT color=#000080 size=2 face=Verdana>Well, it's a HVM
guest.</FONT></DIV>
<DIV><FONT color=#000080>So, should I install the paravirt driver if i need the
statistcs?</FONT></DIV>
<DIV><FONT color=#000080 size=2 face=Verdana></FONT> </DIV>
<DIV><FONT color=#000080 size=2 face=Verdana></FONT> </DIV>
<DIV><FONT color=#c0c0c0 size=2 face=Verdana>2011-05-19 </FONT></DIV><FONT
color=#000080 size=2 face=Verdana>
<HR style="WIDTH: 100px" align=left color=#b5c4df SIZE=1>
</FONT>
<DIV><FONT color=#c0c0c0 size=2 face=Verdana><SPAN>黄亮</SPAN> </FONT></DIV>
<HR color=#b5c4df SIZE=1>
<DIV><FONT size=2 face=Verdana><STRONG>发件人：</STRONG> Daniel P. Berrange
</FONT></DIV>
<DIV><FONT size=2 face=Verdana><STRONG>发送时间：</STRONG> 2011-05-13 17:44:29
</FONT></DIV>
<DIV><FONT size=2 face=Verdana><STRONG>收件人：</STRONG> 黄亮 </FONT></DIV>
<DIV><FONT size=2 face=Verdana><STRONG>抄送：</STRONG> libvir-list </FONT></DIV>
<DIV><FONT size=2 face=Verdana><STRONG>主题：</STRONG> Re: [libvirt] why is network
i/o always zero? </FONT></DIV>
<DIV><FONT size=2 face=Verdana></FONT></DIV>
<DIV><FONT size=2 face=Verdana>
<DIV>On Wed, May 11, 2011 at 09:32:53PM +0800, 黄亮 wrote:</DIV>
<DIV>> hi all</DIV>
<DIV>> </DIV>
<DIV>> 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>> I wonder if the function is not supported by Xen. So I using "domifstat", and I get</DIV>
<DIV>> </DIV>
<DIV>> vif1.0 rx_bytes 0</DIV>
<DIV>> vif1.0 rx_packets 0</DIV>
<DIV>> vif1.0 rx_errs 0</DIV>
<DIV>> vif1.0 rx_drop 0</DIV>
<DIV>> vif1.0 tx_bytes 0</DIV>
<DIV>> vif1.0 tx_packets 0</DIV>
<DIV>> vif1.0 tx_errs 0</DIV>
<DIV>> vif1.0 tx_drop 0</DIV>
<DIV>> </DIV>
<DIV>> but it never change even when I use that domain to ping another.</DIV>
<DIV></DIV>
<DIV>You don't mention if it is a paravirt or HVM guest. If it is a</DIV>
<DIV>HVM guest, then you don't get any statistics, unless the paravirt</DIV>
<DIV>drivers are installed.</DIV>
<DIV></DIV>
<DIV>Daniel</DIV>
<DIV>-- </DIV>
<DIV>|: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :|</DIV>
<DIV>|: http://libvirt.org -o- http://virt-manager.org :|</DIV>
<DIV>|: http://autobuild.org -o- http://search.cpan.org/~danberr/ :|</DIV>
<DIV>|: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|</DIV>
<DIV></DIV>
<DIV>__________ Information from ESET Smart Security, version of virus signature database 6105 (20110508) __________</DIV>
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<DIV>The message was checked by ESET Smart Security.</DIV>
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