RE: [Xen-users] network usage gathering

["Dustin Henning" <Dustin.Henning@xxxxxxxxxxx>]

        If you have a reason to prefer not to have /usr/sbin in the path, I
believe you can also run /usr/sbin/xentop instead of /usr/sbin/xm top to get
around that error.  I could be wrong on the location of the xentop
executable, but said executable works for me on a machine where xm top does
not.  I'm running F8 on that machine and assume that the Xen packages
provided with it are the cause, but I don't worry about it since, to the
best of my knowledge, all xm top does is call xentop (and especially since
F8 is now out of maintenance anyway).
        Dustin

From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Mike Denning
Sent: Tuesday, June 23, 2009 14:51
To: Nathan Eisenberg
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] network usage gathering

PATH=/usr/sbin:$PATH xm top 

seemed to do the trick.

-- Mike 

On Tue, Jun 23, 2009 at 2:15 PM, Mike Denning <mikesdenning@xxxxxxxxx>
wrote:
Nathan,

That may provide what I'm looking for -- however xm top does not seem to
function properly.  all the other xm commands work fine.

[root@grill msd]# /usr/sbin/xm top
Unexpected error: exceptions.OSError

Please report to xen-devel@xxxxxxxxxxxxxxxxxxx
Traceback (most recent call last):
  File "/usr/sbin/xm", line 10, in ?
    main.main(sys.argv)
  File "/usr/lib/python2.4/site-packages/xen/xm/main.py", line 1483, in main
    rc = cmd(args)
  File "/usr/lib/python2.4/site-packages/xen/xm/main.py", line 1052, in
xm_top
    os.execvp('xentop', ['xentop'])
  File "/usr/lib/python2.4/os.py", line 341, in execvp
    _execvpe(file, args)
  File "/usr/lib/python2.4/os.py", line 379, in _execvpe
    func(fullname, *argrest)
OSError: [Errno 2] No such file or directory


-- Mike 

On Tue, Jun 23, 2009 at 1:57 PM, Nathan Eisenberg <nathan@xxxxxxxxxxxxxxxx>
wrote:
Mike ? 
 
Is the data in xm top not useful under the NETTX and NETRX columns?
 
    NAME  STATE   CPU(sec)  CPU(%)     MEM(k) MEM(%)  MAXMEM(k) MAXMEM(%)
VCPUS NETS NETTX(k) NETRX(k) VBDS   VBD_OO   VBD_RD   VBD_WR SSID
Domain-0 -----r      76640    2.6    4141056   24.7   no limit       n/a    
8    4        0        0    0        0        0        0 2149627072
Testapp0 --b---      49090    0.5    2048000   12.2    2048000      12.2    
2    1  9514776  5609343    2      241  8377726 13520754 2149627072
testapp1 --b---      76074    0.3    2048000   12.2    2048000      12.2    
2    1 21574426  9824853    2      157   653875 16255860 2149627072
testapp2 --b---     219883    4.7    2048000   12.2    2048000      12.2    
2    1 37801757 25565941    2       85  3935004 40831484 2149627072
testapp3 --b---        586    0.4     524288    3.1     524288       3.1    
1    1    79464   281130    2      143     5350    51614 2149627072
testapp4 --b---        545    0.7     524288    3.1     524288       3.1    
1    1    62130   297314    2      789     3326    51252 2149627072
testapp5 --b---        474    0.1     524288    3.1     524288       3.1    
1    1    61569   282954    2     1032     3365    51627 2149627072
testapp6 --b---        474    0.1     524288    3.1     524288       3.1    
1    1    59681   255027    2     1655     3219    47924 2149627072
testapp7 --b---        475    0.1     524288    3.1     524288       3.1    
1    1    59741   254684    2     1446     3209    47289 2149627072
testapp8 --b---        473    0.1     524288    3.1     524288       3.1    
1    1    59287   252783    2      501     3258    48469 2149627072
Testapp9 --b---      37348    0.2    2048000   12.2    2048000      12.2    
2    1  3521401  2448598    2        4   157779  4363920 2149627072
 
Best Regards
Nathan Eisenberg
Sr. Systems Administrator
Atlas Networks, LLC
support@xxxxxxxxxxxxxxxx
http://support.atlasnetworks.us/portal
 
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Mike Denning
Sent: Tuesday, June 23, 2009 8:06 AM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] network usage gathering
 
I've run into a problem gathering usage for my xen virtual systems. With my
old model I used to gather all network usage via my cisco devices using the
the counters for each port. Each system had it's own port on the switch, and
I tracked network usage accordingly. Now that I'm using xen for virtual
systems, and multiple vm's share the same switch port, i'm not exactly sure
what my best option is for tracking usage.

I thought I may be able to setup vlans on the switch, and bind each vm to a
different vlan using vconfig... but it seems like there has to be a better
solution than that. Has anyone done anything like this? Any insight would be
greatly appreciated.

-- Mike 

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