RE: [Xen-devel] Limiting Domains' Network Network Transmit Rate

["Ross C Mcilroy" <mcilrorc@xxxxxxxxxxxxx>]

>Imprecision of the Linux jiffy-based timer. In fact this probably 
>doesn't matter.
>Fairly coarse-grained shaping in which we specify credit periods of 
>100s of
>milliseconds would be adequate for most people's needs.


Is do_gettimeofday fast enough performance wise for the credit based
shaping, after all, it's only called when the interface runs out of
credit. Correct me if I'm wrong, but do_gettimeofday has a higher
accuracy than the jiffy based timer?


Thanks

Ross


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