Dear Prashant,

We had lot of operational issues with dpdk leftover files in the past, so
we took special care to made them disappear ASAP.

Even if they are present you will not be able to use secondary process,
we simply don't support that use case. Secondary process will not be 
able to access buffer memory as buffer memory is allocated by VPP and not by 
DPDK.

Please note that VPP is not application built on top of DPDK, for us DPDK is 
just
source of device drivers wit a bit of weight around them. Typical VPP feature 
code can work even without DPDK being present.

If you explain your use case we might be able to advise you how to approach 
your problem
in a way native to VPP,  without relying on DPDK legacy features.

Regards,

-- 
Damjan

> On 25 Jul 2018, at 13:11, Prashant Upadhyaya <praupadhy...@gmail.com> wrote:
> 
> Hi,
> 
> I am running VPP with DPDK plugin.
> I see that when I normally run other non VPP DPDK applications, they
> create a file called /var/run/.rte_config
> But VPP running as a DPDK application (and calling rte_eal_init) does
> not create this file.
> 
> There are consequences of the above in certain usecases where
> secondary processes try to look at this file.
> 
> Can somebody advise why this file is not created when VPP is run with
> DPDK plugin. Or what needs to be done so that it does get created, or
> perhaps it is getting created somewhere that I am not aware of. I am
> running VPP as root.
> 
> Regards
> -Prashant
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