wengzhe commented on PR #9297:
URL: https://github.com/apache/nuttx/pull/9297#issuecomment-1598017460
Hi, @masayuki2009
I've tried `qemu-armv8a:netnsh` on my local QEMU 7.2.2, but got different
result:
Latest upstream
```
> ~/qemu-7.2.2/build/qemu-system-aarch64 -cpu cortex-a53 -smp 4 -nographic
-machine virt,virtualization=on,gic-version=3 -chardev stdio,id=con,mux=on
-serial chardev:con -global virtio-mmio.force-legacy=false -netdev
user,id=u1,hostfwd=tcp:127.0.0.1:10023-10.0.2.15:23,hostfwd=tcp:127.0.0.1:15001-10.0.2.15:5001
-device virtio-net-device,netdev=u1,bus=virtio-mmio-bus.0 -mon
chardev=con,mode=readline -s -kernel ./nuttx
telnetd [4:100]
NuttShell (NSH) NuttX-12.1.0
nsh> uname -a
NuttX 12.1.0 c5641b0252 Jun 20 2023 10:01:13 arm64 qemu-armv8a
nsh> iperf -s -i 1
IP: 10.0.2.15
mode=tcp-server sip=10.0.2.15:5001,dip=0.0.0.0:5001, interval=1, time=0
accept: 10.0.2.2:43166
Interval Transfer Bandwidth
0.00- 1.01 sec 67930880 Bytes 538.07 Mbits/sec
1.01- 2.02 sec 68351360 Bytes 541.40 Mbits/sec
2.02- 3.03 sec 68620000 Bytes 543.52 Mbits/sec
3.03- 4.04 sec 66552640 Bytes 527.15 Mbits/sec
4.04- 5.05 sec 67802400 Bytes 537.05 Mbits/sec
5.05- 6.06 sec 65045920 Bytes 515.22 Mbits/sec
6.06- 7.07 sec 63118720 Bytes 499.95 Mbits/sec
7.07- 8.08 sec 65466400 Bytes 518.55 Mbits/sec
8.08- 9.09 sec 66342400 Bytes 525.48 Mbits/sec
9.09- 10.10 sec 65828480 Bytes 521.41 Mbits/sec
closed by the peer: 10.0.2.2:43166
iperf exit
nsh>
```
With this PR (rebased on top of c5641b0252)
```
> ~/qemu-7.2.2/build/qemu-system-aarch64 -cpu cortex-a53 -smp 4 -nographic
-machine virt,virtualization=on,gic-version=3 -chardev stdio,id=con,mux=on
-serial chardev:con -global virtio-mmio.force-legacy=false -netdev
user,id=u1,hostfwd=tcp:127.0.0.1:10023-10.0.2.15:23,hostfwd=tcp:127.0.0.1:15001-10.0.2.15:5001
-device virtio-net-device,netdev=u1,bus=virtio-mmio-bus.0 -mon
chardev=con,mode=readline -s -kernel ./nuttx
[42949667.950000] virtio_mmio_init_device: Device Id 0
[42949667.950000] virtio_register_mmio_device: virtio_mmio_device_init
failed, ret=-22
[42949667.950000] virtio_mmio_init_device: Device Id 0
[42949667.950000] virtio_register_mmio_device: virtio_mmio_device_init
failed, ret=-22
[42949667.950000] virtio_mmio_init_device: Device Id 0
[42949667.950000] virtio_register_mmio_device: virtio_mmio_device_init
failed, ret=-22
telnetd [4:100]
NuttShell (NSH) NuttX-12.1.0
nsh> uname -a
NuttX 12.1.0 0341475570 Jun 20 2023 10:05:45 arm64 qemu-armv8a
nsh> iperf -s -i 1
IP: 10.0.2.15
mode=tcp-server sip=10.0.2.15:5001,dip=0.0.0.0:5001, interval=1, time=0
accept: 10.0.2.2:37718
Interval Transfer Bandwidth
0.00- 1.01 sec 90867480 Bytes 719.74 Mbits/sec
1.01- 2.02 sec 91169700 Bytes 722.14 Mbits/sec
2.02- 3.03 sec 91539080 Bytes 725.06 Mbits/sec
3.03- 4.04 sec 93721780 Bytes 742.35 Mbits/sec
4.04- 5.05 sec 92512900 Bytes 732.78 Mbits/sec
5.05- 6.06 sec 94091160 Bytes 745.28 Mbits/sec
6.06- 7.07 sec 93721780 Bytes 742.35 Mbits/sec
7.07- 8.08 sec 92244260 Bytes 730.65 Mbits/sec
8.08- 9.09 sec 93553880 Bytes 741.02 Mbits/sec
9.09- 10.10 sec 92747960 Bytes 734.64 Mbits/sec
closed by the peer: 10.0.2.2:37718
iperf exit
nsh>
```
I've also tried with QEMU 6.2.0 installed by apt on my Ubuntu 22.04, got
similar result.
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