[LTP] [PATCH] busy_poll* : revise poll_cmp

[Alexey Kodanev]

On 03/20/2018 03:18 AM, sunlianwen wrote:
> Hi Alexey
> 
>   You are right, I think is wrong, I debug this case again,
> 
> and find the driver is virtio_net no support busy poll.


There is support in virtio_net... may be the problem in the underlying
configuration/driver, latency between guest and the other host? you could
also try netperf -H remote_host -t TCP_RR with/without busy_polling:

# sysctl net.core.busy_read=50
# sysctl net.core.busy_poll=50

Thanks,
Alexey