From: Jay Rolette <rolette@infiniteio.com>
To: Masoud Moshref Javadi <masood.moshref.j@gmail.com>
Cc: "users@dpdk.org" <users@dpdk.org>
Subject: Re: [dpdk-users] high jitter in dpdk kni
Date: Mon, 25 Jan 2016 08:15:42 -0600 [thread overview]
Message-ID: <CADNuJVpDyLEqUqNNVhVEytu=+LmOadc-X+jO2OYo8tMpWdhGjg@mail.gmail.com> (raw)
In-Reply-To: <CAKCrth2Zm24n+BE6TaYeCvuiTY4bqOcfnQQHwqF8EDpx_DfKUQ@mail.gmail.com>
On Mon, Jan 25, 2016 at 7:49 AM, Masoud Moshref Javadi <
masood.moshref.j@gmail.com> wrote:
> Thanks.
> For me the easiest solution is to sacrifice a core and set
> CONFIG_RTE_KNI_PREEMPT_DEFAULT
> to 'n'. I can confirm that this reduced the delay to 0.1ms
>
Make sure you take a look at the throughput you get with that change. In my
case, I found it reduced the latency, but lowered my aggregate throughput:
http://dpdk.org/ml/archives/dev/2015-June/018858.html
Jay
next prev parent reply other threads:[~2016-01-25 14:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-23 14:17 Masoud Moshref Javadi
2016-01-25 8:29 ` Freynet, Marc (Nokia - FR)
2016-01-25 13:15 ` Masoud Moshref Javadi
2016-01-25 13:43 ` Andriy Berestovskyy
2016-01-25 13:49 ` Masoud Moshref Javadi
2016-01-25 14:15 ` Jay Rolette [this message]
2016-01-25 14:43 ` Freynet, Marc (Nokia - FR)
2016-01-25 13:37 ` Jay Rolette
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