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Commit e8e395ae authored by Kirill Smelkov's avatar Kirill Smelkov
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X neotest: Move network benchmarking into separate function + add `neotest bench-net`

parent bdb1b7bf
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go/neo/t/neotest
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......@@ -900,6 +900,98 @@ Benchmark$1-avg 1 \\3 \\4/op\
done
}
# hostof <url> - return hostname part of <url>
hostof() {
url=$1
python -c "import urlparse as p; u=p.urlparse(\"scheme://$url\"); print u.hostname"
}
# bench_net <url> - benchmark network
bench_net() {
url=$1
peer=`hostof $url`
echo -e "\n*** link latency:"
# ping2bench <topic> - converts timings from ping to std benchmark format
ping2bench() {
# rtt min/avg/max/mdev = 0.028/0.031/0.064/0.007 ms, ipg/ewma 0.038/0.032 ms
sed -u -e \
"s|^rtt min/avg/max/mdev = \([0-9.]\+\)/\([0-9.]\+\)/\([0-9.]\+\)/\([0-9.]\+\) ms.*\$|&\n\
Benchmark$1-min 1 \\1 ms/op\n\
Benchmark$1-avg 1 \\2 ms/op\
|"
}
# 16 = minimum ping payload size at which it starts putting struct timeval into payload and print RTT
# 1472 = 1500 (Ethernet MTU) - 20 (IPv4 header !options) - 8 (ICMPv4 header)
# 1452 = 1500 (Ethernet MTU) - 40 (IPv6 header !options) - 8 (ICMPv6 header)
# FIXME somehow IPv6 uses lower MTU than 1500 - recheck
sizev="16 1452" # max = min(IPv4, IPv6) so that it is always only 1 Ethernet frame on the wire
for size in $sizev; do
echo -e "\n# `hostname` ⇄ $peer (ping ${size}B)"
{ $profile sudo -n ping -i0 -w 3 -s $size -q $peer || \
echo "# skipped -> enable ping in sudo for `whoami`@`hostname`"; } | \
ping2bench `hostname`-$peer/pingrtt/${size}B
echo -e "\n# $peer ⇄ `hostname` (ping ${size}B)"
# TODO profile remotely
on $url "sudo -n ping -i0 -w3 -s ${size} -q \$(echo \${SSH_CONNECTION%% *}) || \
echo \\\"# skipped -> enable ping in sudo for \`whoami\`@\`hostname\`\\\"" | \
ping2bench $peer-`hostname`/pingrtt/${size}B
done
# TODO
# echo 1 > /proc/sys/net/ipv4/tcp_low_latency
# netstat -s
# /sys/class/net/ethX/gro_flush_timeout
# /proc/sys/net/ipv4/tcp_limit_output_bytes
# ( https://lwn.net/Articles/507065/ "The default value of this
# limit is 128KB; it could be set lower on systems where latency is the primary concern" )
# ? tcp pacing
# net.ipv4.tcp_autocorking (f54b3111 "tcp: auto corking")
echo -e "\n*** TCP latency:"
# lattcp2bench <topic> - convert timings from lat_tcp to std benchmark format
lattcp2bench() {
# TCP latency using neo2: 52.3468 microseconds
sed -u -e \
"s|^TCP latency using .*: \([0-9.]\+\) microseconds.*\$|Benchmark$1 1 \\1 µs/op\t# &|"
}
# 1 = minimum TCP payload
# 1460 = 1500 (Ethernet MTU) - 20 (IPv4 header !options) - 20 (TCP header !options)
# 1440 = 1500 (Ethernet MTU) - 40 (IPv6 header !options) - 20 (TCP header !options)
# FIXME somehow IPv6 uses lower MTU than 1500 - recheck
sizev="1 1400 1500 4096" # 1400 = 1440 - ε (1 eth frame); 1500 = 1440 + ε (2 eth frames); 4096 - just big 4K (3 eth frames)
for size in $sizev; do
echo -e "\n# `hostname` ⇄ $peer (lat_tcp.c ${size}B -> lat_tcp.c -s)"
# TODO profile remotely
on $url "nohup lat_tcp -s </dev/null >/dev/null 2>/dev/null &"
nrun lat_tcp -m $size $peer | lattcp2bench "`hostname`-$peer/tcprtt(c-c)/${size}B"
lat_tcp -S $peer
echo -e "\n# `hostname` ⇄ $peer (lat_tcp.c ${size}B -> lat_tcp.go -s)"
# TODO profile remotely
on $url "nohup lat_tcp_go -s </dev/null >/dev/null 2>/dev/null &"
nrun lat_tcp -m $size $peer | lattcp2bench "`hostname`-$peer/tcprtt(c-go)/${size}B"
lat_tcp -S $peer
echo -e "\n# $peer ⇄ `hostname` (lat_tcp.c ${size}B -> lat_tcp.c -s)"
lat_tcp -s
# TODO profile remotely
nrun on $url "lat_tcp -m $size \${SSH_CONNECTION%% *}" | lattcp2bench "$peer-`hostname`/tcprtt(c-c)/${size}B"
lat_tcp -S localhost
echo -e "\n# $peer ⇄ `hostname` (lat_tcp.c ${size}B -> lat_tcp.go -s)"
lat_tcp_go -s 2>/dev/null &
# TODO profile remotely
nrun on $url "lat_tcp -m $size \${SSH_CONNECTION%% *}" | lattcp2bench "$peer-`hostname`/tcprtt(c-go)/${size}B"
lat_tcp -S localhost
done
}
# hash function to compute via zhash in tests/benchmarks
zhashfunc=crc32 # sha1, adler32, null, ...
......@@ -1029,86 +1121,8 @@ cmd_bench-cluster() {
echo -e "\n*** server disk:"
bench_disk
echo -e "\n*** link latency:"
# XXX -> bench_link + bench_tcp
peer=`python -c "import urlparse as p; u=p.urlparse(\"scheme://$url\"); print u.hostname"`
# ping2bench <topic> - converts timings from ping to std benchmark format
ping2bench() {
# rtt min/avg/max/mdev = 0.028/0.031/0.064/0.007 ms, ipg/ewma 0.038/0.032 ms
sed -u -e \
"s|^rtt min/avg/max/mdev = \([0-9.]\+\)/\([0-9.]\+\)/\([0-9.]\+\)/\([0-9.]\+\) ms.*\$|&\n\
Benchmark$1-min 1 \\1 ms/op\n\
Benchmark$1-avg 1 \\2 ms/op\
|"
}
# 16 = minimum ping payload size at which it starts putting struct timeval into payload and print RTT
# 1472 = 1500 (Ethernet MTU) - 20 (IPv4 header !options) - 8 (ICMPv4 header)
# 1452 = 1500 (Ethernet MTU) - 40 (IPv6 header !options) - 8 (ICMPv6 header)
# FIXME somehow IPv6 uses lower MTU than 1500 - recheck
sizev="16 1452" # max = min(IPv4, IPv6) so that it is always only 1 Ethernet frame on the wire
for size in $sizev; do
echo -e "\n# `hostname` ⇄ $peer (ping ${size}B)"
{ $profile sudo -n ping -i0 -w 3 -s $size -q $peer || \
echo "# skipped -> enable ping in sudo for `whoami`@`hostname`"; } | \
ping2bench `hostname`-$peer/pingrtt/${size}B
echo -e "\n# $peer ⇄ `hostname` (ping ${size}B)"
# TODO profile remotely
on $url "sudo -n ping -i0 -w3 -s ${size} -q \$(echo \${SSH_CONNECTION%% *}) || \
echo \\\"# skipped -> enable ping in sudo for \`whoami\`@\`hostname\`\\\"" | \
ping2bench $peer-`hostname`/pingrtt/${size}B
done
bench_net $url
# TODO
# echo 1 > /proc/sys/net/ipv4/tcp_low_latency
# netstat -s
# /sys/class/net/ethX/gro_flush_timeout
# /proc/sys/net/ipv4/tcp_limit_output_bytes
# ( https://lwn.net/Articles/507065/ "The default value of this
# limit is 128KB; it could be set lower on systems where latency is the primary concern" )
# ? tcp pacing
# net.ipv4.tcp_autocorking (f54b3111 "tcp: auto corking")
echo -e "\n*** TCP latency:"
# lattcp2bench <topic> - convert timings from lat_tcp to std benchmark format
lattcp2bench() {
# TCP latency using neo2: 52.3468 microseconds
sed -u -e \
"s|^TCP latency using .*: \([0-9.]\+\) microseconds.*\$|Benchmark$1 1 \\1 µs/op\t# &|"
}
# 1 = minimum TCP payload
# 1460 = 1500 (Ethernet MTU) - 20 (IPv4 header !options) - 20 (TCP header !options)
# 1440 = 1500 (Ethernet MTU) - 40 (IPv6 header !options) - 20 (TCP header !options)
# FIXME somehow IPv6 uses lower MTU than 1500 - recheck
sizev="1 1400 1500 4096" # 1400 = 1440 - ε (1 eth frame); 1500 = 1440 + ε (2 eth frames); 4096 - just big 4K (3 eth frames)
for size in $sizev; do
echo -e "\n# `hostname` ⇄ $peer (lat_tcp.c ${size}B -> lat_tcp.c -s)"
# TODO profile remotely
on $url "nohup lat_tcp -s </dev/null >/dev/null 2>/dev/null &"
nrun lat_tcp -m $size $peer | lattcp2bench "`hostname`-$peer/tcprtt(c-c)/${size}B"
lat_tcp -S $peer
echo -e "\n# `hostname` ⇄ $peer (lat_tcp.c ${size}B -> lat_tcp.go -s)"
# TODO profile remotely
on $url "nohup lat_tcp_go -s </dev/null >/dev/null 2>/dev/null &"
nrun lat_tcp -m $size $peer | lattcp2bench "`hostname`-$peer/tcprtt(c-go)/${size}B"
lat_tcp -S $peer
echo -e "\n# $peer ⇄ `hostname` (lat_tcp.c ${size}B -> lat_tcp.c -s)"
lat_tcp -s
# TODO profile remotely
nrun on $url "lat_tcp -m $size \${SSH_CONNECTION%% *}" | lattcp2bench "$peer-`hostname`/tcprtt(c-c)/${size}B"
lat_tcp -S localhost
echo -e "\n# $peer ⇄ `hostname` (lat_tcp.c ${size}B -> lat_tcp.go -s)"
lat_tcp_go -s 2>/dev/null &
# TODO profile remotely
nrun on $url "lat_tcp -m $size \${SSH_CONNECTION%% *}" | lattcp2bench "$peer-`hostname`/tcprtt(c-go)/${size}B"
lat_tcp -S localhost
done
# zodb benchmarks
echo
......@@ -1204,6 +1218,13 @@ cmd_bench-cpu() {
bench_cpu
}
# command: benchmark network
cmd_bench-net() {
url=$1
test -z "$url" && die "Usage: neotest bench-net [user@]<host>:<path>"
bench_net $url
}
# command: print information about local node
cmd_info-local() {
init_net
......@@ -1237,9 +1258,11 @@ The commands are:
bench-local run benchmarks when client and server are both on the same localhost
bench-cluster run benchmarks when server is local and client is on another node
bench-cpu benchmark local cpu (part of bench-{local,cluster})
bench-disk benchmark local disk (part of bench-{local,cluster})
bench-net benchmark network (part of bench-cluster)
run-client run client benchmarks against separate server
bench-disk benchmark local disk (already part of bench-{local,cluster})
bench-cpu benchmark local cpu (already part of bench-{local,cluster})
deploy deploy NEO & needed software for tests to remote host
deploy-local deploy NEO & needed software for tests locally
......@@ -1258,8 +1281,9 @@ case "$1" in
bench-local | \
bench-cluster | \
run-client | \
bench-cpu | \
bench-disk | \
bench-cpu)
bench-net)
;;
info)
......
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