We grab the stats every 5 seconds currently - these values are then taken as
DSs in the spirit of RRDtool, and we use them to create different timescale
The source that actually grabs the numbers from dom0 is here:
and the RRD stuff is documented on the wiki:
Hope this helps!
On 3 Mar 2010, at 12:49, Sane, Abhijeet wrote:
> Hi ,
> I want to know how the data metrics like VBD Data I/O read/write rate , VIF
> Network I/O rates are calculated. I want to know what is the time interval /
> sampling frequency used for calculating these average time rates.
> Abhijeet Sane
> xen-api mailing list
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