Re: [Xen-users] pv driver with NAPI support

[Eduardo Kuroda <eduardohideo@xxxxxxxxx>]

Hi Wei,

i'm doing experiments with interrupt coalescence trying to find good values that increase bandwidth and reduce the amount of interruptions

On Tue, Feb 5, 2013 at 1:07 PM, Wei Liu <wei.liu2@xxxxxxxxxx> wrote:

On Tue, 2013-02-05 at 14:59 +0000, Eduardo Kuroda wrote:
> hello,
>
>
> I tried using NAPI in pv network drivers, but i discovered that it
> don't supports NAPI (kernel 3.5.0-17, xen 4.3.1).
>
> I like to know if any version of pv driver supports NAPI
>

Netfront already uses NAPI but netback does not. There was a
experimental netback implementation with NAPI and other stuffs, but it
is not yet ready for upstream.

Just asking, what's the motivation for you to use NAPI? Do you see
bottleneck in current implementation?


Wei.

>
> regards
> Eduardo

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