Re: ANNOUNCE: virt-top 0.3.2.5 released

["Richard W.M. Jones" <rjones@xxxxxxxxxx>]

Tom Georgoulias wrote:
> Richard W.M. Jones wrote:
> > Tom Georgoulias wrote:
> > > Richard W.M. Jones wrote:
> > > > I'm pleased to announce a new release of virt-top, which is a 
> > > > utility like 'top' that works for virtual machines.  Many keys and 
> > > > command line options are the same as for ordinary top.
> > >
> > > > Source and binaries for several architectures available from:
> > > >   http://et.redhat.com/~rjones/virt-top/download.html
> > >
> > > The RHEL5 RPM on the download page is for the RHEL5.1 beta, right?
> >
> > That RPM should (about 99% certain) work on RHEL 5 GA.
>
> I asked that because tried installing it on one of my RHEL5 servers and 
> it didn't work at all.  When I run virt-top, the terminal kinda 
> "flashes" and returns a prompt.
>
> [root@rvrt001d ~]# cat /etc/redhat-release
> Red Hat Enterprise Linux Server release 5 (Tikanga)
> [root@rvrt001d ~]# rpm -q virt-top
> virt-top-0.3.2.5-1
> [root@rvrt001d ~]# rpm -q libvirt
> libvirt-0.1.8-15.el5
>
> libvirt for RHEL 5.0 is older than the 0.2.1 you mentioned on the 
> download page, and the RHEL5 beta on RHN has 0.2.3-4.

Ah right, I see.  libvirt 0.1.8 is too old for virt-top.  You need 
minimum libvirt 0.2.1.  The reason is because we need the vcpu info 
stuff which was only added in libvirt 0.2.1 
(http://libvirt.org/hvsupport.html).

One simple solution is to compile a local copy of libvirt and point the 
binary at it, something like this:

  LD_LIBRARY_PATH=/my/local/copy/lib virt-top

By the way, you can narrow down these problems by doing:

  virt-top --debug somefile

which will write debugging info to the file (basically, everything which 
would normally go to stderr, but in a curses program stderr isn't really 
available).

Rich.

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