Re: [Xen-API] RE: Problems in extracting VIF metrics

[Alberto González Rodríguez <alberto@xxxxxxxxxxxxx>]

i use Jonathan Ludlam on openxencenter and i don't have time problems

2010/3/5 Sane, Abhijeet <Abhijeet_Sane@xxxxxxx>:
> I ran the sample program you have given . But it takes long time to return me 
> the data sets.
>
> real    0m3.137s
> user    0m2.580s
> sys     0m0.140s
>
>
>
> I have a question whether this request going from the unix domain local 
> socket on the host or  going from HTTP/ tcp.
> Other is there some API implemented for Python for extracting the metrics in 
> a simpler manner.
> All I want to read is the VIF read/ write data.
>
>
> Please guide.
>
> Abhijeet
>
>
> -----Original Message-----
> From: Jonathan Ludlam [mailto:Jonathan.Ludlam@xxxxxxxxxxxxx]
> Sent: Friday, March 05, 2010 5:48 PM
> To: Sane, Abhijeet
> Cc: xen-api@xxxxxxxxxxxxxxxxxxx; Goncalo Gomes
> Subject: Re: Problems in extracting VIF metrics
>
> 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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