On Sat, Oct 04, 2008 at 10:24:25PM +0200, Guido G?nther wrote:
> This is the actual patch to calculate the block and net stats:
>
> Display block device I/0 and network I/O in the overview as well as in
> the vm details. The sparkline widget in the vm overview only draws the
> rx and read rates.This is fixed up by a followup patch, since this way
> we're independent of the sparkline patches.
> diff -r 30dc0d5939d4 src/virtManager/domain.py
> --- a/src/virtManager/domain.py Sat Oct 04 20:41:20 2008 +0200
> +++ b/src/virtManager/domain.py Sat Oct 04 21:52:04 2008 +0200
> @@ -149,6 +155,34 @@
> self.lastStatus = status
> self.emit("status-changed", status)
>
> + def _network_traffic(self):
> + rx = 0
> + tx = 0
> + for netdev in self.get_network_devices():
> + io = self.vm.interfaceStats(netdev[2])
> + if io:
> + rx += io[0]
> + tx += io[4]
The standard behaviour libvirt python binding is to raise an exception
if something fails, so checking for io == None isn't sufficient here.
You should also wrap the call
try:
io = self.vm.interfaceStats(netdev[2])
except:
pass
if io:
rx += io[0]
tx += io[4]
> + return rx, tx
> +
> + def _disk_io(self):
> + rd = 0
> + wr = 0
> + for disk in self.get_disk_devices():
> + io = self.vm.blockStats(disk[3])
> + if io:
> + rd += io[1]
> + wr += io[3]
> + return rd, wr
Likewise here.
Daniel
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