Re: [dpdk-dev] [PATCH v2 0/2] mlx5 high latency observed on send operations

2017-08-29 Thread Ferruh Yigit
On 8/27/2017 7:47 AM, Shahaf Shuler wrote: > from s...@grimberg.me: > > When measuring latency when running a latency critical workload on mlx5 pmd > drivers we noticed high latency can occur due to delayed doorbell record > update flush. > > This can be reproduced using the simple program [1]

[dpdk-dev] [PATCH v2 0/2] mlx5 high latency observed on send operations

2017-08-26 Thread Shahaf Shuler
from s...@grimberg.me: When measuring latency when running a latency critical workload on mlx5 pmd drivers we noticed high latency can occur due to delayed doorbell record update flush. This can be reproduced using the simple program [1] against testpmd macswap fwd mode. This utility sends a r