[PATCH] app: fix silent enqueue fail in test_mbuf test_refcnt_iter

[Stephen Hemminger]

On Thu, 10 Aug 2023 08:00:30 +0200
jhascoet <ju.hascoet at gmail.com> wrote:

> diff --git a/app/test/test_mbuf.c b/app/test/test_mbuf.c
> index efac01806b..be114e3302 100644
> --- a/app/test/test_mbuf.c
> +++ b/app/test/test_mbuf.c
> @@ -1033,12 +1033,17 @@ test_refcnt_iter(unsigned int lcore, unsigned int iter,
>  		tref += ref;
>  		if ((ref & 1) != 0) {
>  			rte_pktmbuf_refcnt_update(m, ref);
> -			while (ref-- != 0)
> -				rte_ring_enqueue(refcnt_mbuf_ring, m);
> +			while (ref-- != 0) {
> +				/* retry in case of failure */
> +				while (rte_ring_enqueue(refcnt_mbuf_ring, m) != 0)
> +					;

Since other side needs to consume these and might be on same lcore,
it might be good place to add rte_pause or sched_yield here?