diff options
| author | Stefano Brivio <sbrivio@redhat.com> | 2022-03-19 10:18:19 +0100 |
|---|---|---|
| committer | Stefano Brivio <sbrivio@redhat.com> | 2022-03-29 15:35:38 +0200 |
| commit | 0ebaac9747892cec2686fb6a5bb9d42674c3fbc5 (patch) | |
| tree | b6a85d6530c200f244dc14f37ae0a0b26128cd8b /test/perf/passt_tcp | |
| parent | 92074c16a8dda83d79c4e9a534757b0e116f7157 (diff) | |
| download | passt-0ebaac9747892cec2686fb6a5bb9d42674c3fbc5.tar passt-0ebaac9747892cec2686fb6a5bb9d42674c3fbc5.tar.gz passt-0ebaac9747892cec2686fb6a5bb9d42674c3fbc5.tar.bz2 passt-0ebaac9747892cec2686fb6a5bb9d42674c3fbc5.tar.lz passt-0ebaac9747892cec2686fb6a5bb9d42674c3fbc5.tar.xz passt-0ebaac9747892cec2686fb6a5bb9d42674c3fbc5.tar.zst passt-0ebaac9747892cec2686fb6a5bb9d42674c3fbc5.zip | |
test/perf: Work-around for virtio_net hang before long streams from guest
I didn't have time to investigate the root cause for the virtio_net
TX hang yet. Add a quick work-around for the moment being.
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Diffstat (limited to 'test/perf/passt_tcp')
| -rw-r--r-- | test/perf/passt_tcp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/perf/passt_tcp b/test/perf/passt_tcp index 99d8fb1..f13fdfc 100644 --- a/test/perf/passt_tcp +++ b/test/perf/passt_tcp @@ -16,6 +16,11 @@ gtools sysctl ip jq nproc seq sleep bc iperf3 tcp_rr tcp_crr # From neper nstools sysctl ip jq nproc seq sleep bc iperf3 tcp_rr tcp_crr htools bc head sed seq +# In this setup, virtio_net TX queue sometimes hangs, still under investigation +def virtio_net_workaround +guest modprobe -r virtio_net; modprobe virtio_net napi_tx=1; dhclient; dhclient -6; sleep 3 +endef + test passt: throughput and latency guest /sbin/sysctl -w net.core.rmem_max=536870912 @@ -52,18 +57,22 @@ tr TCP throughput over IPv6: guest to host bw - bw - +virtio_net_workaround guest ip link set dev __IFNAME__ mtu 1280 iperf3c guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -w 4M iperf3s BW ns 100${i}2 __THREADS__ bw __BW__ 1.2 1.5 +virtio_net_workaround guest ip link set dev __IFNAME__ mtu 1500 iperf3c guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -w 4M iperf3s BW ns 100${i}2 __THREADS__ bw __BW__ 1.6 1.8 +virtio_net_workaround guest ip link set dev __IFNAME__ mtu 9000 iperf3c guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -w 8M iperf3s BW ns 100${i}2 __THREADS__ bw __BW__ 4.0 5.0 +virtio_net_workaround guest ip link set dev __IFNAME__ mtu 65520 iperf3c guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -w 16M iperf3s BW ns 100${i}2 __THREADS__ @@ -91,26 +100,32 @@ lat __LAT__ 500 400 tr TCP throughput over IPv4: guest to host +virtio_net_workaround guest ip link set dev __IFNAME__ mtu 256 iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -w 1M iperf3s BW ns 100${i}2 __THREADS__ bw __BW__ 0.2 0.3 +virtio_net_workaround guest ip link set dev __IFNAME__ mtu 576 iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -w 1M iperf3s BW ns 100${i}2 __THREADS__ bw __BW__ 0.5 0.8 +virtio_net_workaround guest ip link set dev __IFNAME__ mtu 1280 iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -w 4M iperf3s BW ns 100${i}2 __THREADS__ bw __BW__ 1.2 1.5 +virtio_net_workaround guest ip link set dev __IFNAME__ mtu 1500 iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -w 4M iperf3s BW ns 100${i}2 __THREADS__ bw __BW__ 1.6 1.8 +virtio_net_workaround guest ip link set dev __IFNAME__ mtu 9000 iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -w 8M iperf3s BW ns 100${i}2 __THREADS__ bw __BW__ 4.0 5.0 +virtio_net_workaround guest ip link set dev __IFNAME__ mtu 65520 iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -w 16M iperf3s BW ns 100${i}2 __THREADS__ |