[dpdk-users] mbuf free cnt not decreasing

Ferruh Yigit ferruh.yigit at intel.com
Mon Apr 18 16:53:38 CEST 2016

On 4/18/2016 9:41 AM, Javier Coleto Fernández wrote:
> Hi Andriy,
> Thank you for your answer.
> I've tried what you said and determined it's an mbuf leak, because the
> number of free mbufs doesn't stabilize, even when I increase the number of
> mbufs in the mempool.
> Is there any way to easily debug this mbuf leak? I didn't make the full
> code, so I don't really know where to start looking for leaks.

Can you please check free_q?

If you call rte_kni_tx_burst() for more than 32 packets at a time, mbufs
may stuck in free_q.


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