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List:       dpdk-users
Subject:    Re: [dpdk-users] Problem about setting CONFIG_RTE_KNI_PREEMPT_DEFAULT=n
From:       Yuliang Li <yuliang.li () yale ! edu>
Date:       2017-03-25 18:30:11
Message-ID: CAECc8joLaac4RYwf+=Ni-88GQ_=h8gM6i3GauhLEUAnCPm6YkQ () mail ! gmail ! com
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I am using the kni example app.

On Sat, Mar 25, 2017 at 2:28 PM, Yuliang Li <yuliang.li@yale.edu> wrote:

> Hi all,
>
> I am using KNI. In order to improve the performance of KNI, I adopted the
> suggestion here <http://dpdk.org/ml/archives/dev/2015-June/018858.html>:
> setting CONFIG_RTE_KNI_PREEMPT_DEFAULT=n, which prevents the KNI
> kernel thread from going to sleep. This works fine if I only use 1 kernel
> thread. However, if I use 2 kernel threads, when the DPDK app exits, one of
> the kernel thread cannot exit, so that core is forever gone until I restart
> my server. Could anyone help me on this?
>
> Thanks,
> --
> Yuliang Li
> PhD student
> Department of Computer Science
> Yale University
>



-- 
Yuliang Li
PhD student
Department of Computer Science
Yale University
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