I could be wrong, but I think you are reading the data wrong.
I believe NETTX(k) and NETRX(k) are counters for the dom0 and domUs that
show the total amount of data that has passed through their respective vif
interfaces since they were started. To verify, you could start a new domU,
or restart an existing one. If I am correct, you can run the command you
used to get the output below, and your numbers should all be the same or
higher.
Dustin
-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Ramon Moreno
Sent: Friday, May 08, 2009 23:38
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Re: Nagios Monitoring with xentop
Just to add.. here is what the output looks like:
8 domains: 1 running, 7 blocked, 0 paused, 0 crashed, 0 dying, 0 shutdown
Mem: 16645668k total, 16642460k used, 3208k free CPUs: 4 @ 2592MHz
NAME STATE CPU(sec) CPU(%) MEM(k) MEM(%) MAXMEM(k) MAXMEM(%)
VCPUS NETS NETTX(k) NETRX(k) VBDS VBD_OO VBD_RD VBD_WR SS ID
Doma-0 -----r 40091 1.7 1700944 10.2 no limit n/a
4 7 98421634 13265150 0 0 0 0 0
xenvm0 --b--- 6337 0.6 2096908 12.6 8388608 50.4
2 1 20353 751308 1 1130 42050 844832 0
xenvm1 --b--- 6927 0.5 2096948 12.6 8388608 50.4
2 1 62437 837364 1 1350 42556 746715 0
xenvm2 --b--- 8483 0.3 2097016 12.6 8388608 50.4
2 1 76944 807142 1 2786 46701 3494832 0
xenvm3 --b--- 6593 0.4 2096916 12.6 8388608 50.4
2 1 8712 712158 1 2116 41090 833166 0
xenvm4 --b--- 6752 0.4 2096964 12.6 8388608 50.4
2 1 9349 721815 1 2113 40708 861770 0
xenvm5 --b--- 6545 0.5 2096896 12.6 8388608 50.4
2 1 8654 711329 1 1890 41140 843672 0
xenvm6 --b--- 6717 0.4 2096940 12.6 8388608 50.4
2 1 197625 986447 1 1970 44147 862676 0
On Fri, May 8, 2009 at 8:33 PM, Ramon Moreno <rammor1@xxxxxxxxx> wrote:
> I am creating some custom nagios plugins and I am scraping data from
> xen using the nagios command:
>
> /usr/sbin/xentop -b -i 2 -d1
>
> I am trying to get the network tx / rx data, however I think I am
> missing something here.
>
> NETTX(k) NETRX(k)
>
> So total network bandwidth is 1048576 k if the above header from xentop is
true.
>
> So I am wondering why the output for each vm exceeds the theoretical
> max, Is it really not measured in kilobits, or maybe there is
> something screwy with the counters?
>
> Any help is much appreciated.
>
> If I add up all my vm values for RX I get:
>
> 5527563 k
>
> This is greater than my gigabit connection which is:
>
> 1048576 k
>
> Thank you!
>
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