Re: [dpdk-dev] KNI latency improvement

2017-12-29 Thread Stephen Hemminger
On Fri, 29 Dec 2017 15:27:03 +0100 Nirmoy Das wrote: > Hi Ferruh, > > There is latency in the range of milliseconds when packets are passed > through KNI up to the IP stack. With CONFIG_RTE_KNI_PREEMPT_DEFAULT=n > its required sacrifice a cpu core. Do you have any suggestion to improve > latency

[dpdk-dev] KNI latency improvement

2017-12-29 Thread Nirmoy Das
Hi Ferruh, There is latency in the range of milliseconds when packets are passed through KNI up to the IP stack. With CONFIG_RTE_KNI_PREEMPT_DEFAULT=n its required sacrifice a cpu core. Do you have any suggestion to improve latency without sacrificing a cpu? What do you think about using cond_res