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test/perf: Actually load passt enough to test UDP performance

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With recent improvements, we're not CPU-bound at all while testing
UDP performance. Give the VM more memory and CPUs, forward two
additional ports, start up to four threads in parallel, and give
single iperf3 threads higher bandwidth targets.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio 2021-10-21 04:54:05 +02:00
parent 1f3d6f96b5
commit c3f8e4d2cd
3 changed files with 34 additions and 31 deletions
test/lib
setup

13
test/lib/setup
View file

@ -13,9 +13,9 @@
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>
VCPUS="$( [ $(nproc) -ge 8 ] && echo 4 || echo $(( $(nproc) / 2 + 1 )) )"
VCPUS="$( [ $(nproc) -ge 8 ] && echo 6 || echo $(( $(nproc) / 2 + 1 )) )"
__mem_kib="$(sed -n 's/MemTotal:[ ]*\([0-9]*\) kB/\1/p' /proc/meminfo)"
VMEM="$((${__mem_kib} / 1024 / 8))"
VMEM="$((${__mem_kib} / 1024 / 4))"
# setup_build() - Set up pane layout for build tests
setup_build() {
@ -107,6 +107,9 @@ setup_passt_in_ns() {
# 10011 as server | forwarded to guest | spliced to ns
# 10012 | as server | spliced to ns
# 10013 | spliced to init | as server
#
# 10021 as server | forwarded to guest |
# 10031 as server | forwarded to guest |
__opts=
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p /tmp/pasta_with_passt.pcap"
@ -138,8 +141,8 @@ setup_passt_in_ns() {
[ ${PCAP} -eq 1 ] && __opts="${__opts} -p /tmp/passt_in_pasta.pcap"
[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
#pane_run PASST "valgrind --max-stackframe=3000000 ./passt -f ${__opts} -t 10001,10011 -u 10001,10011"
pane_run PASST "./passt -f ${__opts} -t 10001,10011 -u 10001,10011"
#pane_run PASST "valgrind --max-stackframe=3000000 ./passt -f ${__opts} -t 10001,10011,10021,10031 -u 10001,10011,10021,10031"
pane_run PASST "./passt -f ${__opts} -t 10001,10011,10021,10031 -u 10001,10011,10021,10031"
sleep 1
pane_run GUEST './qrap 5 kvm -m '${VMEM}' -cpu host -smp '${VCPUS} \
@ -148,7 +151,7 @@ setup_passt_in_ns() {
'-nodefaults ' \
'-append "console=ttyS0 mitigations=off apparmor=0 ' \
'virtio-net.napi_tx=1"' \
"-device virtio-net-pci,netdev=hostnet0,x-txburst=131072"\
"-device virtio-net-pci,netdev=hostnet0,x-txburst=262144"\
"-netdev socket,fd=5,id=hostnet0"
pane_wait GUEST
}