[Bug 487533] [RHEL5]: virt-top doesn't show disk transfer statistics

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https://bugzilla.redhat.com/show_bug.cgi?id=487533





--- Comment #2 from Richard W.M. Jones <rjones at redhat.com>  2009-02-27 08:47:55 EDT ---
OK I had a look at this on my RHEL 5.3 machine and there
is a problem.  'virsh domblkstat' works, at least for PV
block devices (not for FV ones).

# virsh domblkstat F10PV64 xvda
xvda rd_req 3550
xvda rd_bytes 61593088
xvda wr_req 405
xvda wr_bytes 5040128
xvda errs 0

# virsh domblkstat RHEL39FV32 xvdb
xvdb rd_req 1
xvdb rd_bytes 4096
xvdb wr_req 0
xvdb wr_bytes 0
xvdb errs 0

# virsh domblkstat RHEL39FV32 hda
libvir: Xen error : this function is not supported by the hypervisor:
read_bd_stats: Frontend block device not connected
error: Failed to get block stats RHEL39FV32 hda

But virt-top still doesn't see them.  I'll have to take a closer
look at the version of virt-top in EPEL to see what's wrong.

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