Kirill, would it be possible to run again your experiments, but using
bbr congestion control ?
Note that you should use 4.13-rc1 so that following commit is included :
commit 218af599fa635b107cfe10acf3249c4dfe5e4123 ("tcp: internal implementation
for pacing")
lpaa5:~# modprobe tcp_bbr
lpaa5:~# cat /proc/sys/net/ipv4/tcp_available_congestion_control
cubic reno bbr
lpaa5:~# cat /proc/sys/net/ipv4/tcp_congestion_control
cubic
lpaa5:~# echo bbr >/proc/sys/net/ipv4/tcp_congestion_control
lpaa5:~# cat /proc/sys/net/ipv4/tcp_congestion_control
bbr
<run your iperf tests>
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https://bugs.launchpad.net/bugs/1670041
Title:
Poor performance of Atheros QCA6174 802.11ac (rev 32) (Killer Wireless
1535)
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