From: David Gibson <david@gibson.dropbear.id.au>
To: Laurent Vivier <lvivier@redhat.com>
Cc: passt-dev@passt.top, Stefano Brivio <sbrivio@redhat.com>
Subject: Re: [PATCH v10 08/12] test: Add tests for passt in vhost-user mode
Date: Mon, 11 Nov 2024 13:48:49 +1100 [thread overview]
Message-ID: <ZzFwkfDlUmcOhhFa@zatzit> (raw)
In-Reply-To: <20241108103733.3554357-9-lvivier@redhat.com>
[-- Attachment #1: Type: text/plain, Size: 25635 bytes --]
On Fri, Nov 08, 2024 at 11:37:27AM +0100, Laurent Vivier wrote:
> From: Stefano Brivio <sbrivio@redhat.com>
>
> Run functional and performance tests for vhost-user mode as well. For
> functional tests, we add passt_vu and passt_vu_in_ns as symbolic links
> to their non-vhost-user counterparts, as no differences are intended
> but we want to distinguish them in test logs.
>
> For performance tests, instead, we add separate perf/passt_vu_tcp and
> perf/passt_vu_udp files, as we need longer test duration, as well as
> higher UDP sending bandwidths and larger TCP windows, to actually get
> the highest throughput vhost-user mode offers.
>
> For valgrind tests, vhost-user mode needs two extra system calls:
> statx and readlink. Add them as EXTRA_SYSCALLS for the valgrind
> target.
>
> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
> Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
> ---
> Makefile | 3 +-
> test/lib/perf_report | 15 +++
> test/lib/setup | 77 ++++++++++++---
> test/lib/setup_ugly | 2 +-
> test/passt_vu | 1 +
> test/passt_vu_in_ns | 1 +
> test/perf/passt_vu_tcp | 211 +++++++++++++++++++++++++++++++++++++++++
> test/perf/passt_vu_udp | 159 +++++++++++++++++++++++++++++++
> test/run | 25 +++++
> test/two_guests_vu | 1 +
> 10 files changed, 479 insertions(+), 16 deletions(-)
> create mode 120000 test/passt_vu
> create mode 120000 test/passt_vu_in_ns
> create mode 100644 test/perf/passt_vu_tcp
> create mode 100644 test/perf/passt_vu_udp
> create mode 120000 test/two_guests_vu
>
> diff --git a/Makefile b/Makefile
> index 1dc12c5cc52f..8792ae4aef4d 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -123,7 +123,8 @@ qrap: $(QRAP_SRCS) passt.h
>
> valgrind: EXTRA_SYSCALLS += rt_sigprocmask rt_sigtimedwait rt_sigaction \
> rt_sigreturn getpid gettid kill clock_gettime mmap \
> - mmap2 munmap open unlink gettimeofday futex
> + mmap2 munmap open unlink gettimeofday futex statx \
> + readlink
> valgrind: FLAGS += -g -DVALGRIND
> valgrind: all
>
> diff --git a/test/lib/perf_report b/test/lib/perf_report
> index d1ef50bfe0d5..c4ec817bcd1e 100755
> --- a/test/lib/perf_report
> +++ b/test/lib/perf_report
> @@ -49,6 +49,21 @@ td:empty { visibility: hidden; }
> __passt_tcp_LINE__ __passt_udp_LINE__
> </table>
>
> +</li><li><p>passt with vhost-user support</p>
> +<table class="passt" width="70%">
> + <tr>
> + <th/>
> + <th id="perf_passt_vu_tcp" colspan="__passt_vu_tcp_cols__">TCP, __passt_vu_tcp_threads__ at __passt_vu_tcp_freq__ GHz</th>
> + <th id="perf_passt_vu_udp" colspan="__passt_vu_udp_cols__">UDP, __passt_vu_udp_threads__ at __passt_vu_udp_freq__ GHz</th>
> + </tr>
> + <tr>
> + <td align="right">MTU:</td>
> + __passt_vu_tcp_header__
> + __passt_vu_udp_header__
> + </tr>
> + __passt_vu_tcp_LINE__ __passt_vu_udp_LINE__
> +</table>
> +
> <style type="text/CSS">
> table.pasta_local td { border: 0px solid; padding: 6px; line-height: 1; }
> table.pasta_local td { text-align: right; }
> diff --git a/test/lib/setup b/test/lib/setup
> index 5338393ce35c..580825f1f9a7 100755
> --- a/test/lib/setup
> +++ b/test/lib/setup
> @@ -15,8 +15,7 @@
>
> INITRAMFS="${BASEPATH}/mbuto.img"
> 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 / 4))"
> +MEM_KIB="$(sed -n 's/MemTotal:[ ]*\([0-9]*\) kB/\1/p' /proc/meminfo)"
> QEMU_ARCH="$(uname -m)"
> [ "${QEMU_ARCH}" = "i686" ] && QEMU_ARCH=i386
>
> @@ -46,6 +45,7 @@ setup_passt() {
> [ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/passt.pcap"
> [ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
> [ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
> + [ ${VHOST_USER} -eq 1 ] && __opts="${__opts} --vhost-user"
>
> context_run passt "make clean"
> context_run passt "make valgrind"
> @@ -54,16 +54,29 @@ setup_passt() {
> # pidfile isn't created until passt is listening
> wait_for [ -f "${STATESETUP}/passt.pid" ]
>
> + __vmem="$((${MEM_KIB} / 1024 / 4))"
> + if [ ${VHOST_USER} -eq 1 ]; then
> + __vmem="$(((${__vmem} + 500) / 1000))G"
> + __qemu_netdev=" \
> + -chardev socket,id=c,path=${STATESETUP}/passt.socket \
> + -netdev vhost-user,id=v,chardev=c \
> + -device virtio-net,netdev=v \
> + -object memory-backend-memfd,id=m,share=on,size=${__vmem} \
> + -numa node,memdev=m"
> + else
> + __qemu_netdev="-device virtio-net-pci,netdev=s \
> + -netdev stream,id=s,server=off,addr.type=unix,addr.path=${STATESETUP}/passt.socket"
> + fi
> +
> GUEST_CID=94557
> context_run_bg qemu 'qemu-system-'"${QEMU_ARCH}" \
> ' -machine accel=kvm' \
> - ' -m '${VMEM}' -cpu host -smp '${VCPUS} \
> + ' -m '${__vmem}' -cpu host -smp '${VCPUS} \
> ' -kernel '"${KERNEL}" \
> ' -initrd '${INITRAMFS}' -nographic -serial stdio' \
> ' -nodefaults' \
> ' -append "console=ttyS0 mitigations=off apparmor=0" ' \
> - ' -device virtio-net-pci,netdev=s0 ' \
> - " -netdev stream,id=s0,server=off,addr.type=unix,addr.path=${STATESETUP}/passt.socket " \
> + " ${__qemu_netdev}" \
> " -pidfile ${STATESETUP}/qemu.pid" \
> " -device vhost-vsock-pci,guest-cid=$GUEST_CID"
>
> @@ -142,6 +155,7 @@ setup_passt_in_ns() {
> [ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/passt_in_pasta.pcap"
> [ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
> [ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
> + [ ${VHOST_USER} -eq 1 ] && __opts="${__opts} --vhost-user"
>
> if [ ${VALGRIND} -eq 1 ]; then
> context_run passt "make clean"
> @@ -154,17 +168,30 @@ setup_passt_in_ns() {
> fi
> wait_for [ -f "${STATESETUP}/passt.pid" ]
>
> + __vmem="$((${MEM_KIB} / 1024 / 4))"
> + if [ ${VHOST_USER} -eq 1 ]; then
> + __vmem="$(((${__vmem} + 500) / 1000))G"
> + __qemu_netdev=" \
> + -chardev socket,id=c,path=${STATESETUP}/passt.socket \
> + -netdev vhost-user,id=v,chardev=c \
> + -device virtio-net,netdev=v \
> + -object memory-backend-memfd,id=m,share=on,size=${__vmem} \
> + -numa node,memdev=m"
> + else
> + __qemu_netdev="-device virtio-net-pci,netdev=s \
> + -netdev stream,id=s,server=off,addr.type=unix,addr.path=${STATESETUP}/passt.socket"
> + fi
> +
> GUEST_CID=94557
> context_run_bg qemu 'qemu-system-'"${QEMU_ARCH}" \
> ' -machine accel=kvm' \
> ' -M accel=kvm:tcg' \
> - ' -m '${VMEM}' -cpu host -smp '${VCPUS} \
> + ' -m '${__vmem}' -cpu host -smp '${VCPUS} \
> ' -kernel '"${KERNEL}" \
> ' -initrd '${INITRAMFS}' -nographic -serial stdio' \
> ' -nodefaults' \
> ' -append "console=ttyS0 mitigations=off apparmor=0" ' \
> - ' -device virtio-net-pci,netdev=s0 ' \
> - " -netdev stream,id=s0,server=off,addr.type=unix,addr.path=${STATESETUP}/passt.socket " \
> + " ${__qemu_netdev}" \
> " -pidfile ${STATESETUP}/qemu.pid" \
> " -device vhost-vsock-pci,guest-cid=$GUEST_CID"
>
> @@ -214,6 +241,7 @@ setup_two_guests() {
> [ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/passt_1.pcap"
> [ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
> [ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
> + [ ${VHOST_USER} -eq 1 ] && __opts="${__opts} --vhost-user"
>
> context_run_bg passt_1 "./passt -s ${STATESETUP}/passt_1.socket -P ${STATESETUP}/passt_1.pid -f ${__opts} -t 10001 -u 10001"
> wait_for [ -f "${STATESETUP}/passt_1.pid" ]
> @@ -222,33 +250,54 @@ setup_two_guests() {
> [ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/passt_2.pcap"
> [ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
> [ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
> + [ ${VHOST_USER} -eq 1 ] && __opts="${__opts} --vhost-user"
>
> context_run_bg passt_2 "./passt -s ${STATESETUP}/passt_2.socket -P ${STATESETUP}/passt_2.pid -f ${__opts} -t 10004 -u 10004"
> wait_for [ -f "${STATESETUP}/passt_2.pid" ]
>
> + __vmem="$((${MEM_KIB} / 1024 / 4))"
> + if [ ${VHOST_USER} -eq 1 ]; then
> + __vmem="$(((${__vmem} + 500) / 1000))G"
> + __qemu_netdev1=" \
> + -chardev socket,id=c,path=${STATESETUP}/passt_1.socket \
> + -netdev vhost-user,id=v,chardev=c \
> + -device virtio-net,netdev=v \
> + -object memory-backend-memfd,id=m,share=on,size=${__vmem} \
> + -numa node,memdev=m"
> + __qemu_netdev2=" \
> + -chardev socket,id=c,path=${STATESETUP}/passt_2.socket \
> + -netdev vhost-user,id=v,chardev=c \
> + -device virtio-net,netdev=v \
> + -object memory-backend-memfd,id=m,share=on,size=${__vmem} \
> + -numa node,memdev=m"
> + else
> + __qemu_netdev1="-device virtio-net-pci,netdev=s \
> + -netdev stream,id=s,server=off,addr.type=unix,addr.path=${STATESETUP}/passt_1.socket"
> + __qemu_netdev2="-device virtio-net-pci,netdev=s \
> + -netdev stream,id=s,server=off,addr.type=unix,addr.path=${STATESETUP}/passt_2.socket"
> + fi
> +
> GUEST_1_CID=94557
> context_run_bg qemu_1 'qemu-system-'"${QEMU_ARCH}" \
> ' -M accel=kvm:tcg' \
> - ' -m '${VMEM}' -cpu host -smp '${VCPUS} \
> + ' -m '${__vmem}' -cpu host -smp '${VCPUS} \
> ' -kernel '"${KERNEL}" \
> ' -initrd '${INITRAMFS}' -nographic -serial stdio' \
> ' -nodefaults' \
> ' -append "console=ttyS0 mitigations=off apparmor=0" ' \
> - ' -device virtio-net-pci,netdev=s0 ' \
> - " -netdev stream,id=s0,server=off,addr.type=unix,addr.path=${STATESETUP}/passt_1.socket " \
> + " ${__qemu_netdev1}" \
> " -pidfile ${STATESETUP}/qemu_1.pid" \
> " -device vhost-vsock-pci,guest-cid=$GUEST_1_CID"
>
> GUEST_2_CID=94558
> context_run_bg qemu_2 'qemu-system-'"${QEMU_ARCH}" \
> ' -M accel=kvm:tcg' \
> - ' -m '${VMEM}' -cpu host -smp '${VCPUS} \
> + ' -m '${__vmem}' -cpu host -smp '${VCPUS} \
> ' -kernel '"${KERNEL}" \
> ' -initrd '${INITRAMFS}' -nographic -serial stdio' \
> ' -nodefaults' \
> ' -append "console=ttyS0 mitigations=off apparmor=0" ' \
> - ' -device virtio-net-pci,netdev=s0 ' \
> - " -netdev stream,id=s0,server=off,addr.type=unix,addr.path=${STATESETUP}/passt_2.socket " \
> + " ${__qemu_netdev2}" \
> " -pidfile ${STATESETUP}/qemu_2.pid" \
> " -device vhost-vsock-pci,guest-cid=$GUEST_2_CID"
>
> diff --git a/test/lib/setup_ugly b/test/lib/setup_ugly
> index 4b2a0774de1d..2802cc3bb43b 100755
> --- a/test/lib/setup_ugly
> +++ b/test/lib/setup_ugly
> @@ -33,7 +33,7 @@ setup_memory() {
>
> pane_or_context_run guest 'qemu-system-$(uname -m)' \
> ' -machine accel=kvm' \
> - ' -m '${VMEM}' -cpu host -smp '${VCPUS} \
> + ' -m '$((${MEM_KIB} / 1024 / 4))' -cpu host -smp '${VCPUS} \
> ' -kernel ' "/boot/vmlinuz-$(uname -r)" \
> ' -initrd '${INITRAMFS_MEM}' -nographic -serial stdio' \
> ' -nodefaults' \
> diff --git a/test/passt_vu b/test/passt_vu
> new file mode 120000
> index 000000000000..22f1840d1ad6
> --- /dev/null
> +++ b/test/passt_vu
> @@ -0,0 +1 @@
> +passt
> \ No newline at end of file
> diff --git a/test/passt_vu_in_ns b/test/passt_vu_in_ns
> new file mode 120000
> index 000000000000..3ff479e0436b
> --- /dev/null
> +++ b/test/passt_vu_in_ns
> @@ -0,0 +1 @@
> +passt_in_ns
> \ No newline at end of file
> diff --git a/test/perf/passt_vu_tcp b/test/perf/passt_vu_tcp
> new file mode 100644
> index 000000000000..b43400804e64
> --- /dev/null
> +++ b/test/perf/passt_vu_tcp
> @@ -0,0 +1,211 @@
> +# SPDX-License-Identifier: GPL-2.0-or-later
> +#
> +# PASST - Plug A Simple Socket Transport
> +# for qemu/UNIX domain socket mode
> +#
> +# PASTA - Pack A Subtle Tap Abstraction
> +# for network namespace/tap device mode
> +#
> +# test/perf/passt_vu_tcp - Check TCP performance in passt vhost-user mode
> +#
> +# Copyright (c) 2021 Red Hat GmbH
> +# Author: Stefano Brivio <sbrivio@redhat.com>
> +
> +gtools /sbin/sysctl ip jq nproc seq sleep iperf3 tcp_rr tcp_crr # From neper
> +nstools /sbin/sysctl ip jq nproc seq sleep iperf3 tcp_rr tcp_crr
> +htools bc head sed seq
> +
> +set MAP_NS4 192.0.2.2
> +set MAP_NS6 2001:db8:9a55::2
> +
> +test passt: throughput and latency
> +
> +guest /sbin/sysctl -w net.core.rmem_max=536870912
> +guest /sbin/sysctl -w net.core.wmem_max=536870912
> +guest /sbin/sysctl -w net.core.rmem_default=33554432
> +guest /sbin/sysctl -w net.core.wmem_default=33554432
> +guest /sbin/sysctl -w net.ipv4.tcp_rmem="4096 131072 268435456"
> +guest /sbin/sysctl -w net.ipv4.tcp_wmem="4096 131072 268435456"
> +guest /sbin/sysctl -w net.ipv4.tcp_timestamps=0
> +
> +ns /sbin/sysctl -w net.ipv4.tcp_rmem="4096 524288 134217728"
> +ns /sbin/sysctl -w net.ipv4.tcp_wmem="4096 524288 134217728"
> +ns /sbin/sysctl -w net.ipv4.tcp_timestamps=0
> +
> +gout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
> +
> +hout FREQ_PROCFS (echo "scale=1"; sed -n 's/cpu MHz.*: \([0-9]*\)\..*$/(\1+10^2\/2)\/10^3/p' /proc/cpuinfo) | bc -l | head -n1
> +hout FREQ_CPUFREQ (echo "scale=1"; printf '( %i + 10^5 / 2 ) / 10^6\n' $(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq) ) | bc -l
> +hout FREQ [ -n "__FREQ_CPUFREQ__" ] && echo __FREQ_CPUFREQ__ || echo __FREQ_PROCFS__
> +
> +set THREADS 4
> +set TIME 5
> +set OMIT 0.1
> +set OPTS -Z -P __THREADS__ -l 1M -O__OMIT__ -N
> +
> +info Throughput in Gbps, latency in µs, __THREADS__ threads at __FREQ__ GHz
> +report passt_vu tcp __THREADS__ __FREQ__
> +
> +th MTU 256B 576B 1280B 1500B 9000B 65520B
> +
> +
> +tr TCP throughput over IPv6: guest to host
> +iperf3s ns 10002
> +
> +bw -
> +bw -
> +guest ip link set dev __IFNAME__ mtu 1280
> +iperf3 BW guest __MAP_NS6__ 10002 __TIME__ __OPTS__ -w 16M
> +bw __BW__ 1.2 1.5
> +guest ip link set dev __IFNAME__ mtu 1500
> +iperf3 BW guest __MAP_NS6__ 10002 __TIME__ __OPTS__ -w 32M
> +bw __BW__ 1.6 1.8
> +guest ip link set dev __IFNAME__ mtu 9000
> +iperf3 BW guest __MAP_NS6__ 10002 __TIME__ __OPTS__ -w 64M
> +bw __BW__ 4.0 5.0
> +guest ip link set dev __IFNAME__ mtu 65520
> +iperf3 BW guest __MAP_NS6__ 10002 __TIME__ __OPTS__ -w 64M
> +bw __BW__ 7.0 8.0
> +
> +iperf3k ns
> +
> +tl TCP RR latency over IPv6: guest to host
> +lat -
> +lat -
> +lat -
> +lat -
> +lat -
> +nsb tcp_rr --nolog -6
> +gout LAT tcp_rr --nolog -l1 -6 -c -H __MAP_NS6__ | sed -n 's/^throughput=\(.*\)/\1/p'
> +lat __LAT__ 200 150
> +
> +tl TCP CRR latency over IPv6: guest to host
> +lat -
> +lat -
> +lat -
> +lat -
> +lat -
> +nsb tcp_crr --nolog -6
> +gout LAT tcp_crr --nolog -l1 -6 -c -H __MAP_NS6__ | sed -n 's/^throughput=\(.*\)/\1/p'
> +lat __LAT__ 500 400
> +
> +tr TCP throughput over IPv4: guest to host
> +iperf3s ns 10002
> +
> +guest ip link set dev __IFNAME__ mtu 256
> +iperf3 BW guest __MAP_NS4__ 10002 __TIME__ __OPTS__ -w 2M
> +bw __BW__ 0.2 0.3
> +guest ip link set dev __IFNAME__ mtu 576
> +iperf3 BW guest __MAP_NS4__ 10002 __TIME__ __OPTS__ -w 4M
> +bw __BW__ 0.5 0.8
> +guest ip link set dev __IFNAME__ mtu 1280
> +iperf3 BW guest __MAP_NS4__ 10002 __TIME__ __OPTS__ -w 8M
> +bw __BW__ 1.2 1.5
> +guest ip link set dev __IFNAME__ mtu 1500
> +iperf3 BW guest __MAP_NS4__ 10002 __TIME__ __OPTS__ -w 16M
> +bw __BW__ 1.6 1.8
> +guest ip link set dev __IFNAME__ mtu 9000
> +iperf3 BW guest __MAP_NS4__ 10002 __TIME__ __OPTS__ -w 64M
> +bw __BW__ 4.0 5.0
> +guest ip link set dev __IFNAME__ mtu 65520
> +iperf3 BW guest __MAP_NS4__ 10002 __TIME__ __OPTS__ -w 64M
> +bw __BW__ 7.0 8.0
> +
> +iperf3k ns
> +
> +# Reducing MTU below 1280 deconfigures IPv6, get our address back
> +guest dhclient -6 -x
> +guest dhclient -6 __IFNAME__
> +
> +tl TCP RR latency over IPv4: guest to host
> +lat -
> +lat -
> +lat -
> +lat -
> +lat -
> +nsb tcp_rr --nolog -4
> +gout LAT tcp_rr --nolog -l1 -4 -c -H __MAP_NS4__ | sed -n 's/^throughput=\(.*\)/\1/p'
> +lat __LAT__ 200 150
> +
> +tl TCP CRR latency over IPv4: guest to host
> +lat -
> +lat -
> +lat -
> +lat -
> +lat -
> +nsb tcp_crr --nolog -4
> +gout LAT tcp_crr --nolog -l1 -4 -c -H __MAP_NS4__ | sed -n 's/^throughput=\(.*\)/\1/p'
> +lat __LAT__ 500 400
> +
> +tr TCP throughput over IPv6: host to guest
> +iperf3s guest 10001
> +
> +bw -
> +bw -
> +bw -
> +bw -
> +bw -
> +iperf3 BW ns ::1 10001 __TIME__ __OPTS__ -w 32M
> +bw __BW__ 6.0 6.8
> +
> +iperf3k guest
> +
> +tl TCP RR latency over IPv6: host to guest
> +lat -
> +lat -
> +lat -
> +lat -
> +lat -
> +guestb tcp_rr --nolog -P 10001 -C 10011 -6
> +sleep 1
> +nsout LAT tcp_rr --nolog -l1 -P 10001 -C 10011 -6 -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
> +lat __LAT__ 200 150
> +
> +tl TCP CRR latency over IPv6: host to guest
> +lat -
> +lat -
> +lat -
> +lat -
> +lat -
> +guestb tcp_crr --nolog -P 10001 -C 10011 -6
> +sleep 1
> +nsout LAT tcp_crr --nolog -l1 -P 10001 -C 10011 -6 -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
> +lat __LAT__ 500 350
> +
> +
> +tr TCP throughput over IPv4: host to guest
> +iperf3s guest 10001
> +
> +bw -
> +bw -
> +bw -
> +bw -
> +bw -
> +iperf3 BW ns 127.0.0.1 10001 __TIME__ __OPTS__ -w 32M
> +bw __BW__ 6.0 6.8
> +
> +iperf3k guest
> +
> +tl TCP RR latency over IPv4: host to guest
> +lat -
> +lat -
> +lat -
> +lat -
> +lat -
> +guestb tcp_rr --nolog -P 10001 -C 10011 -4
> +sleep 1
> +nsout LAT tcp_rr --nolog -l1 -P 10001 -C 10011 -4 -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
> +lat __LAT__ 200 150
> +
> +tl TCP CRR latency over IPv6: host to guest
> +lat -
> +lat -
> +lat -
> +lat -
> +lat -
> +guestb tcp_crr --nolog -P 10001 -C 10011 -4
> +sleep 1
> +nsout LAT tcp_crr --nolog -l1 -P 10001 -C 10011 -4 -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
> +lat __LAT__ 500 300
> +
> +te
> diff --git a/test/perf/passt_vu_udp b/test/perf/passt_vu_udp
> new file mode 100644
> index 000000000000..943ac11b4a51
> --- /dev/null
> +++ b/test/perf/passt_vu_udp
> @@ -0,0 +1,159 @@
> +# SPDX-License-Identifier: GPL-2.0-or-later
> +#
> +# PASST - Plug A Simple Socket Transport
> +# for qemu/UNIX domain socket mode
> +#
> +# PASTA - Pack A Subtle Tap Abstraction
> +# for network namespace/tap device mode
> +#
> +# test/perf/passt_vu_udp - Check UDP performance in passt vhost-user mode
> +#
> +# Copyright (c) 2021 Red Hat GmbH
> +# Author: Stefano Brivio <sbrivio@redhat.com>
> +
> +gtools /sbin/sysctl ip jq nproc sleep iperf3 udp_rr # From neper
> +nstools ip jq sleep iperf3 udp_rr
> +htools bc head sed
> +
> +set MAP_NS4 192.0.2.2
> +set MAP_NS6 2001:db8:9a55::2
> +
> +test passt: throughput and latency
> +
> +guest /sbin/sysctl -w net.core.rmem_max=16777216
> +guest /sbin/sysctl -w net.core.wmem_max=16777216
> +guest /sbin/sysctl -w net.core.rmem_default=16777216
> +guest /sbin/sysctl -w net.core.wmem_default=16777216
> +
> +hout FREQ_PROCFS (echo "scale=1"; sed -n 's/cpu MHz.*: \([0-9]*\)\..*$/(\1+10^2\/2)\/10^3/p' /proc/cpuinfo) | bc -l | head -n1
> +hout FREQ_CPUFREQ (echo "scale=1"; printf '( %i + 10^5 / 2 ) / 10^6\n' $(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq) ) | bc -l
> +hout FREQ [ -n "__FREQ_CPUFREQ__" ] && echo __FREQ_CPUFREQ__ || echo __FREQ_PROCFS__
> +
> +set THREADS 2
> +set TIME 1
> +set OPTS -u -P __THREADS__ --pacing-timer 1000
> +
> +info Throughput in Gbps, latency in µs, __THREADS__ threads at __FREQ__ GHz
> +
> +report passt_vu udp __THREADS__ __FREQ__
> +
> +th pktlen 256B 576B 1280B 1500B 9000B 65520B
> +
> +tr UDP throughput over IPv6: guest to host
> +iperf3s ns 10002
> +# (datagram size) = (packet size) - 48: 40 bytes of IPv6 header, 8 of UDP header
> +
> +bw -
> +bw -
> +iperf3 BW guest __MAP_NS6__ 10002 __TIME__ __OPTS__ -b 3G -l 1232
> +bw __BW__ 0.8 1.2
> +iperf3 BW guest __MAP_NS6__ 10002 __TIME__ __OPTS__ -b 4G -l 1452
> +bw __BW__ 1.0 1.5
> +iperf3 BW guest __MAP_NS6__ 10002 __TIME__ __OPTS__ -b 10G -l 8952
> +bw __BW__ 4.0 5.0
> +iperf3 BW guest __MAP_NS6__ 10002 __TIME__ __OPTS__ -b 20G -l 64372
> +bw __BW__ 4.0 5.0
> +
> +iperf3k ns
> +
> +tl UDP RR latency over IPv6: guest to host
> +lat -
> +lat -
> +lat -
> +lat -
> +lat -
> +nsb udp_rr --nolog -6
> +gout LAT udp_rr --nolog -6 -c -H __MAP_NS6__ | sed -n 's/^throughput=\(.*\)/\1/p'
> +lat __LAT__ 200 150
> +
> +
> +tr UDP throughput over IPv4: guest to host
> +iperf3s ns 10002
> +# (datagram size) = (packet size) - 28: 20 bytes of IPv4 header, 8 of UDP header
> +
> +iperf3 BW guest __MAP_NS4__ 10002 __TIME__ __OPTS__ -b 1G -l 228
> +bw __BW__ 0.0 0.0
> +iperf3 BW guest __MAP_NS4__ 10002 __TIME__ __OPTS__ -b 2G -l 548
> +bw __BW__ 0.4 0.6
> +iperf3 BW guest __MAP_NS4__ 10002 __TIME__ __OPTS__ -b 3G -l 1252
> +bw __BW__ 0.8 1.2
> +iperf3 BW guest __MAP_NS4__ 10002 __TIME__ __OPTS__ -b 4G -l 1472
> +bw __BW__ 1.0 1.5
> +iperf3 BW guest __MAP_NS4__ 10002 __TIME__ __OPTS__ -b 10G -l 8972
> +bw __BW__ 4.0 5.0
> +iperf3 BW guest __MAP_NS4__ 10002 __TIME__ __OPTS__ -b 20G -l 65492
> +bw __BW__ 4.0 5.0
> +
> +iperf3k ns
> +
> +tl UDP RR latency over IPv4: guest to host
> +lat -
> +lat -
> +lat -
> +lat -
> +lat -
> +nsb udp_rr --nolog -4
> +gout LAT udp_rr --nolog -4 -c -H __MAP_NS4__ | sed -n 's/^throughput=\(.*\)/\1/p'
> +lat __LAT__ 200 150
> +
> +
> +tr UDP throughput over IPv6: host to guest
> +iperf3s guest 10001
> +# (datagram size) = (packet size) - 48: 40 bytes of IPv6 header, 8 of UDP header
> +
> +bw -
> +bw -
> +iperf3 BW ns ::1 10001 __TIME__ __OPTS__ -b 3G -l 1232
> +bw __BW__ 0.8 1.2
> +iperf3 BW ns ::1 10001 __TIME__ __OPTS__ -b 4G -l 1452
> +bw __BW__ 1.0 1.5
> +iperf3 BW ns ::1 10001 __TIME__ __OPTS__ -b 10G -l 8952
> +bw __BW__ 3.0 4.0
> +iperf3 BW ns ::1 10001 __TIME__ __OPTS__ -b 20G -l 64372
> +bw __BW__ 3.0 4.0
> +
> +iperf3k guest
> +
> +tl UDP RR latency over IPv6: host to guest
> +lat -
> +lat -
> +lat -
> +lat -
> +lat -
> +guestb udp_rr --nolog -P 10001 -C 10011 -6
> +sleep 1
> +nsout LAT udp_rr --nolog -P 10001 -C 10011 -6 -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
> +lat __LAT__ 200 150
> +
> +
> +tr UDP throughput over IPv4: host to guest
> +iperf3s guest 10001
> +# (datagram size) = (packet size) - 28: 20 bytes of IPv4 header, 8 of UDP header
> +
> +iperf3 BW ns 127.0.0.1 10001 __TIME__ __OPTS__ -b 1G -l 228
> +bw __BW__ 0.0 0.0
> +iperf3 BW ns 127.0.0.1 10001 __TIME__ __OPTS__ -b 2G -l 548
> +bw __BW__ 0.4 0.6
> +iperf3 BW ns 127.0.0.1 10001 __TIME__ __OPTS__ -b 3G -l 1252
> +bw __BW__ 0.8 1.2
> +iperf3 BW ns 127.0.0.1 10001 __TIME__ __OPTS__ -b 4G -l 1472
> +bw __BW__ 1.0 1.5
> +iperf3 BW ns 127.0.0.1 10001 __TIME__ __OPTS__ -b 10G -l 8972
> +bw __BW__ 3.0 4.0
> +iperf3 BW ns 127.0.0.1 10001 __TIME__ __OPTS__ -b 20G -l 65492
> +bw __BW__ 3.0 4.0
> +
> +iperf3k guest
> +
> +tl UDP RR latency over IPv4: host to guest
> +lat -
> +lat -
> +lat -
> +lat -
> +lat -
> +guestb udp_rr --nolog -P 10001 -C 10011 -4
> +sleep 1
> +nsout LAT udp_rr --nolog -P 10001 -C 10011 -4 -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
> +lat __LAT__ 200 150
> +
> +te
> diff --git a/test/run b/test/run
> index 547a729b3fbe..f188d8eaf2e0 100755
> --- a/test/run
> +++ b/test/run
> @@ -93,6 +93,7 @@ run() {
> test memory/passt
> teardown memory
>
> + VHOST_USER=0
> setup passt
> test passt/ndp
> test passt/dhcp
> @@ -115,7 +116,22 @@ run() {
> test two_guests/basic
> teardown two_guests
>
> + VHOST_USER=1
> + setup passt_in_ns
> + test passt_vu/ndp
> + test passt_vu_in_ns/dhcp
> + test passt_vu_in_ns/icmp
> + test passt_vu_in_ns/tcp
> + test passt_vu_in_ns/udp
> + test passt_vu_in_ns/shutdown
> + teardown passt_in_ns
> +
> + setup two_guests
> + test two_guests_vu/basic
> + teardown two_guests
> +
> VALGRIND=0
> + VHOST_USER=0
> setup passt_in_ns
> test passt/ndp
> test passt_in_ns/dhcp
> @@ -126,6 +142,15 @@ run() {
> test passt_in_ns/shutdown
> teardown passt_in_ns
>
> + VHOST_USER=1
> + setup passt_in_ns
> + test passt_vu/ndp
> + test passt_vu_in_ns/dhcp
> + test perf/passt_vu_tcp
> + test perf/passt_vu_udp
> + test passt_vu_in_ns/shutdown
> + teardown passt_in_ns
> +
> # TODO: Make those faster by at least pre-installing gcc and make on
> # non-x86 images, then re-enable.
> skip_distro() {
> diff --git a/test/two_guests_vu b/test/two_guests_vu
> new file mode 120000
> index 000000000000..a8648fc7c9fb
> --- /dev/null
> +++ b/test/two_guests_vu
> @@ -0,0 +1 @@
> +two_guests
> \ No newline at end of file
--
David Gibson (he or they) | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you, not the other way
| around.
http://www.ozlabs.org/~dgibson
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
next prev parent reply other threads:[~2024-11-11 3:04 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-08 10:37 [PATCH v10 00/12] Add vhost-user support to passt. (part 3) Laurent Vivier
2024-11-08 10:37 ` [PATCH v10 01/12] packet: replace struct desc by struct iovec Laurent Vivier
2024-11-08 10:37 ` [PATCH v10 02/12] vhost-user: introduce virtio API Laurent Vivier
2024-11-08 10:37 ` [PATCH v10 03/12] vhost-user: introduce vhost-user API Laurent Vivier
2024-11-08 10:37 ` [PATCH v10 04/12] udp: Prepare udp.c to be shared with vhost-user Laurent Vivier
2024-11-08 10:37 ` [PATCH v10 05/12] tcp: Export headers functions Laurent Vivier
2024-11-08 10:37 ` [PATCH v10 06/12] passt: rename tap_sock_init() to tap_backend_init() Laurent Vivier
2024-11-08 10:37 ` [PATCH v10 07/12] vhost-user: add vhost-user Laurent Vivier
2024-11-11 2:47 ` David Gibson
2024-11-13 7:13 ` Laurent Vivier
2024-11-14 4:33 ` David Gibson
2024-11-08 10:37 ` [PATCH v10 08/12] test: Add tests for passt in vhost-user mode Laurent Vivier
2024-11-11 2:48 ` David Gibson [this message]
2024-11-08 10:37 ` [PATCH v10 09/12] tcp: Use only netinet/tcp.h instead of linux/tcp.h Laurent Vivier
2024-11-08 10:37 ` [PATCH v10 10/12] tcp_vu: Share more header construction between IPv4 and IPv6 paths Laurent Vivier
2024-11-08 10:37 ` [PATCH v10 11/12] tcp: Move tcp_l2_buf_fill_headers() to tcp_buf.c Laurent Vivier
2024-11-08 10:37 ` [PATCH v10 12/12] tcp: Adjust iov_len before filling headers Laurent Vivier
2024-11-08 11:27 ` [PATCH v10 00/12] Add vhost-user support to passt. (part 3) Stefano Brivio
2024-11-08 12:51 ` Laurent Vivier
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