Hi Abhijeet,
As Alberto mentioned, you should be using the RRD interface rather than looking
at the VIF metrics. There's documentation about that
on the wiki:
http://wiki.xensource.com/xenwiki/XAPI_RRDs
Jon
On 5 Mar 2010, at 11:20, Sane, Abhijeet wrote:
> Hi ,
>
> I am trying to extract VIF metrics data of all the VMs on a Citrix Xen host.
> I wrote the code as follows to iterate the VIF sets in all VMs and from the
> VIF record of each VIF get the VIF metrics.
> The VIF metrics like I/O read / write rates are not available.
>
> Please guide whether I am doing something wrong.
>
>
> session = XenAPI.xapi_local(
> session.xenapi.login_with_password("root","")
> all = session.xenapi.VM.get_all()
> try:
>
> for vm in all:
> try:
> record = session.xenapi.VM.get_record(vm)
> if not record["is_control_domain"] and not
> record["is_a_template"] and record["resident_on"]
> :
> domid = record["domid"]
> name = record["name_label"]
> vif_set =
> session.xenapi.VM.get_VIFs(vm)
> for vif in vif_set:
> vif_metrics =
> session.xenapi.VIF.get_metrics(vif)
> vif_rec =
> session.xenapi.VIF.get_record(vif)
> mac_addr = vif_rec["MAC"]
> metrc =
> session.xenapi.VIF_metrics.get_record(vif_rec["metrics"])
> # I have
> removed the code to extract io_read and io_write at this point of time .
> loca_str = '%s,%s,%s,%s,%s\n' %
> (domid , name , mac_addr ,io_read ,io_write)
> csv_string = csv_string + loca_str
>
> domid = ""
> name = ""
> mac_addr = ""
> io_read = ""
> io_write = ""
>
> except Exception, e:
> print "Exception 1",e
> loca_str = '%s,%s,%s,%s,%s\n' % (domid , name
> , mac_addr ,io_read ,io_write)
> csv_string = csv_string + loca_str
>
> except Exception ,e:
> print "Exception 2",e
> loca_str = '%s,%s,%s,%s,%s\n' % (domid , name , mac_addr ,io_read
> ,io_write)
> csv_string = csv_string + loca_str
>
>
>
>
>
> Program output is as follows
> -------------------------------
>
> Exception 1 ['HANDLE_INVALID', 'VIF_metrics',
> 'OpaqueRef:96f906d4-7826-97cc-c85e-9073a9271b02']
> Exception 1 ['HANDLE_INVALID', 'VIF_metrics',
> 'OpaqueRef:6b85fae4-3e72-5f7a-7dab-2765ca9fb659']
> Exception 1 ['HANDLE_INVALID', 'VIF_metrics',
> 'OpaqueRef:754f4f2e-566c-945b-7e60-479c8b19abde']
> Exception 1 ['HANDLE_INVALID', 'VIF_metrics',
> 'OpaqueRef:fab22cb7-8cee-857f-ad11-77eb7a331717']
> Exception 1 ['HANDLE_INVALID', 'VIF_metrics',
> 'OpaqueRef:80c3d61b-802f-a4a2-4bd7-dca9c7069766']
> Exception 1 ['HANDLE_INVALID', 'VIF_metrics',
> 'OpaqueRef:09cd33b9-f1d3-f37c-37df-1e48ed029785']
> Exception 1 ['HANDLE_INVALID', 'VIF_metrics',
> 'OpaqueRef:f8d0bc81-a695-a471-ac49-e70b2e23da99']
> Exception 1 ['HANDLE_INVALID', 'VIF_metrics',
> 'OpaqueRef:7583302f-0e7b-8cf3-d1b3-4f661fad30cd']
> Exception 1 ['HANDLE_INVALID', 'VIF_metrics',
> 'OpaqueRef:29fd1bbf-be28-5481-361d-639c3fcc79a2']
> Exception 1 ['HANDLE_INVALID', 'VIF_metrics',
> 'OpaqueRef:bac40158-2bbe-7b19-fb9f-8d6435599f12']
> Exception 1 ['HANDLE_INVALID', 'VIF_metrics',
> 'OpaqueRef:82db2114-6376-43ad-2f06-255841a1a3aa']
> 2,xen-w2k3-v4,de:3a:0c:0e:b0:b2,,
> 1861,xen-w2k3-v7,16:20:b6:0b:05:5c,,
> 1866,win2k8x64,ee:4c:51:d4:d9:3f,,
> 1864,xen-w2k3-v5,46:cf:2f:59:99:4d,,
> 1863,xen-w2k3-v6,62:b6:09:53:aa:f4,,
> 1867,xen-win2k-v3,8a:a7:b9:31:9e:42,,
> 1,xen-winxp-v2,6e:19:cc:4c:73:9f,,
> 4,xen-vm1,ea:6c:34:15:62:6f,,
> 3,xen-vm2,12:4f:f3:2e:62:89,,
> 2,RHEL_5.3_V11,a6:6d:78:97:ee:d3,,
> 1,xen-rlnx53-v1,2a:f9:c4:18:3e:40,,
>
>
>
>
>
>
> Regards
> Abhijeet
>
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