From 7aaff3387ade2827adfa5ca91571560bbbaf8311 Mon Sep 17 00:00:00 2001 From: Stefano Brivio Date: Tue, 19 Oct 2021 09:28:44 +0200 Subject: [PATCH] perf/passt_tcp: Don't exceed typical L3 cache sizes with buffers ...we might see misleading rate drops with larger MTUs otherwise. Signed-off-by: Stefano Brivio --- test/perf/passt_tcp | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/test/perf/passt_tcp b/test/perf/passt_tcp index 00d1c18..9c4d5e5 100644 --- a/test/perf/passt_tcp +++ b/test/perf/passt_tcp @@ -59,11 +59,11 @@ iperf3c guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -w 4M iperf3s BW ns 100${i}2 __THREADS__ bw __BW__ 1.6 1.8 guest ip link set dev __IFNAME__ mtu 9000 -iperf3c guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -w 32M +iperf3c guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -w 8M iperf3s BW ns 100${i}2 __THREADS__ bw __BW__ 4.0 5.0 guest ip link set dev __IFNAME__ mtu 65520 -iperf3c guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -w 128M +iperf3c guest __GW6__%__IFNAME__ 100${i}2 __THREADS__ __OPTS__ -w 16M iperf3s BW ns 100${i}2 __THREADS__ bw __BW__ 7.0 8.0 @@ -106,11 +106,11 @@ iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -w 4M iperf3s BW ns 100${i}2 __THREADS__ bw __BW__ 1.6 1.8 guest ip link set dev __IFNAME__ mtu 9000 -iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -w 32M +iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -w 8M iperf3s BW ns 100${i}2 __THREADS__ bw __BW__ 4.0 5.0 guest ip link set dev __IFNAME__ mtu 65520 -iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -w 128M +iperf3c guest __GW__ 100${i}2 __THREADS__ __OPTS__ -w 16M iperf3s BW ns 100${i}2 __THREADS__ bw __BW__ 7.0 8.0 @@ -147,11 +147,11 @@ iperf3c ns ::1 100${i}1 __THREADS__ __OPTS__ -w 4M iperf3s BW guest 100${i}1 __THREADS__ bw __BW__ 2.0 3.0 ns ip link set dev lo mtu 9000 -iperf3c ns ::1 100${i}1 __THREADS__ __OPTS__ -w 32M +iperf3c ns ::1 100${i}1 __THREADS__ __OPTS__ -w 8M iperf3s BW guest 100${i}1 __THREADS__ bw __BW__ 5.0 6.0 ns ip link set dev lo mtu 65520 -iperf3c ns ::1 100${i}1 __THREADS__ __OPTS__ -w 64M +iperf3c ns ::1 100${i}1 __THREADS__ __OPTS__ -w 16M iperf3s BW guest 100${i}1 __THREADS__ bw __BW__ 6.0 6.8 ns ip link set dev lo mtu 65535 @@ -196,11 +196,11 @@ iperf3c ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -w 4M iperf3s BW guest 100${i}1 __THREADS__ bw __BW__ 2.0 3.0 ns ip link set dev lo mtu 9000 -iperf3c ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -w 32M +iperf3c ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -w 8M iperf3s BW guest 100${i}1 __THREADS__ bw __BW__ 5.0 6.0 ns ip link set dev lo mtu 65520 -iperf3c ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -w 64M +iperf3c ns 127.0.0.1 100${i}1 __THREADS__ __OPTS__ -w 16M iperf3s BW guest 100${i}1 __THREADS__ bw __BW__ 6.0 6.8 ns ip link set dev lo mtu 65535