Re: Slow network on evbarmv7h NetBSD 9

[Sad Clouds <cryintothebluesky%gmail.com@localhost>]

On Tue, 31 Dec 2019 01:58:06 +0000 (UTC)
adr <adr%SDF.ORG@localhost> wrote:

> I tryed with an atheros usb interface again on allwinner
> NetBSD-9.0_RC1 (201912290820Z) Same as with ethernet (emac and ure),
> can't pass ~ 1,2 Mib/s. Same hardware with archlinux, more than 10
> Mib/s. So I tryed with a raspberry pi 2, and it is worst: can't pass
> ~ 400 Kib/s. Same hardware with archlinux, again more than 10 Mib/s.
> 
> Can anyone with an armv7 machine make a simple test and share his/her
> results?. I would appreciate it.
> 
> Regards,
> adr.

I run Raspbian GNU/Linux 10 (buster) on my RPI3 and for wired Ethernet
on RPI3 I get around 21 MiB/sec half-duplex and 42 MiB/sec full-duplex.

Not tried NetBSD recently, AArch64 has been rather unstable, maybe it
has been fixed now.

$ .obj/sv_tcp -mode=cli_fdx -ip=192.168.1.79 -port=9999 -size=200M -threads=2
Per-thread metrics:
  T1      con 0.6554 msec, nodelay=Off, reuseaddr=Off, rcv_lowat=1, snd_lowat=1
          rcv_mss=1448, snd_mss=1448, rcv_buf=1454320, snd_buf=2532864
          rcv_size_min,max,avg,cnt 1360, 7240, 1611, 130135
          snd_size_min,max,avg,cnt 13208, 65536, 65108, 3221
          rcv 19427.57 msec, 10.29 MiBs, 7454.92 Pks
          snd 17468.72 msec, 11.45 MiBs, 8290.88 Pks

  T2      con 0.5757 msec, nodelay=Off, reuseaddr=Off, rcv_lowat=1, snd_lowat=1
          rcv_mss=1448, snd_mss=1448, rcv_buf=3110464, snd_buf=3942912
          rcv_size_min,max,avg,cnt 1360, 7240, 1588, 131986
          snd_size_min,max,avg,cnt 19896, 65536, 65128, 3220
          rcv 20349.82 msec, 9.83 MiBs, 7117.06 Pks
          snd 17586.88 msec, 11.37 MiBs, 8235.17 Pks

Aggregate metrics:
  con 0.6554 msec
  rcv 20349.87 msec, 19.66 MiBs, 14234.09 Pks
  snd 17586.93 msec, 22.74 MiBs, 16470.29 Pks
  r+s 20349.87 msec, 42.40 MiBs, 30704.38 Pks