[dpdk-users] time taken for allocation of mempool.

[Venumadhav Josyula]

Hi,

Few more points

Operating system  : Centos 7.6
Logging mechanism : syslog

We have logged using syslog before the call and syslog after the call.

Thanks & Regards
Venu

On Wed, 13 Nov 2019 at 10:37, Venumadhav Josyula <vjosyula at gmail.com> wrote:

> Hi ,
> We are using 'rte_mempool_create' for allocation of flow memory. This has
> been there for a while. We just migrated to dpdk-18.11 from dpdk-17.05. Now
> here is problem statement
>
> Problem statement :
> In new dpdk ( 18.11 ), the 'rte_mempool_create' take approximately ~4.4
> sec for allocation compared to older dpdk (17.05). We have som 8-9 mempools
> for our entire product. We do upfront allocation for all of them ( i.e.
> when dpdk application is coming up). Our application is run to completion
> model.
>
> Questions:-
> i)  is that acceptable / has anybody seen such a thing ?
> ii) What has changed between two dpdk versions ( 18.11 v/s 17.05 ) from
> memory perspective ?
>
> Any pointer are welcome.
>
> Thanks & regards
> Venu
>