From: "Wiles, Keith" <keith.wiles@intel.com>
To: Paul Tsvika <mozloverinweb@gmail.com>
Cc: "users@dpdk.org" <users@dpdk.org>
Subject: Re: [dpdk-users] [pktgen] pktgen Tx/Rx rates are not the same in loopback testing case
Date: Wed, 26 Jul 2017 14:55:53 +0000 [thread overview]
Message-ID: <A58763B2-6A49-442A-A3F6-C5F7F26FB0CE@intel.com> (raw)
In-Reply-To: <CAGi_MXm7mGd=50P6uUonOtj2Hy87-y3h6Uca+uR=qcuuJS8a1A@mail.gmail.com>
> On Jul 26, 2017, at 4:02 AM, Paul Tsvika <mozloverinweb@gmail.com> wrote:
>
> Hi Keith.
>
> This is a loopback test and I think it somehow affects the performance since there is only one NIC and phy on the mother board.
>
> I tried two mother boards and the tx/rx ( 9611/9497 ) rates look more reasonable.
>
> I can also set packet size in pktgen command line.
If Pktgen performance is OK in other motherboards, then the problem with this machine is most likely not a Pktgen problem. You did not answer my question about the PCIe slots in my previous email.
>
> However, I still don't understand why RX Desc 512, TX Desc 1024 are not the same.
>
> Should the values suppose to be the same ?
The increased TX ring size is to reduce the number of times a TX done cleanup occurs.
>
>
>
> Regards-
>
>
> P.T
>
>
Regards,
Keith
next prev parent reply other threads:[~2017-07-26 14:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-21 15:11 Paul Tsvika
2017-07-21 15:40 ` Wiles, Keith
2017-07-22 1:49 ` Paul Tsvika
2017-07-25 9:04 ` Paul Tsvika
2017-07-25 14:10 ` Wiles, Keith
2017-07-26 9:02 ` Paul Tsvika
2017-07-26 14:55 ` Wiles, Keith [this message]
2017-07-26 16:44 ` Wiles, Keith
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