1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
| | # SPDX-License-Identifier: AGPL-3.0-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/pasta_tcp - Check TCP performance in pasta mode
#
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>
htools head ip seq bc sleep iperf3 tcp_rr tcp_crr jq sed
nstools /sbin/sysctl nproc ip seq sleep iperf3 tcp_rr tcp_crr jq sed
test pasta: throughput and latency (local connections)
ns /sbin/sysctl -w net.ipv4.tcp_rmem="131072 524288 134217728"
ns /sbin/sysctl -w net.ipv4.tcp_wmem="131072 524288 134217728"
ns /sbin/sysctl -w net.ipv4.tcp_timestamps=0
set THREADS 2
set STREAMS 2
set TIME 30
hout OMIT echo __TIME__ / 6 | bc -l
set OPTS -Z -w 4M -l 1M -P __STREAMS__ -i1 -O__OMIT__ --pacing-timer 10000
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' $(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq) ) | bc -l
hout FREQ [ -n "__FREQ_CPUFREQ__" ] && echo __FREQ_CPUFREQ__ || echo __FREQ_PROCFS__
info Throughput in Gbps, latency in µs, __THREADS__ threads at __FREQ__ GHz, __STREAMS__ streams each
report pasta lo_tcp __THREADS__ __FREQ__
th MTU 1500B 4000B 16384B 65535B
tr TCP throughput over IPv6: ns to host
ns ip link set dev lo mtu 1500
iperf3 BW ns host ::1 100${i}3 __THREADS__ __TIME__ __OPTS__
bw __BW__ 15.0 20.0
ns ip link set dev lo mtu 4000
iperf3c ns ::1 100${i}3 __THREADS__ __TIME__ __OPTS__
iperf3s BW host 100${i}3 __THREADS__
bw __BW__ 15.0 20.0
ns ip link set dev lo mtu 16384
iperf3 BW ns host ::1 100${i}3 __THREADS__ __TIME__ __OPTS__
bw __BW__ 15.0 20.0
ns ip link set dev lo mtu 65535
iperf3 BW ns host ::1 100${i}3 __THREADS__ __TIME__ __OPTS__
bw __BW__ 15.0 20.0
tl TCP RR latency over IPv6: ns to host
lat -
lat -
lat -
hostb tcp_rr --nolog -P 10003 -C 10013 -6
nsout LAT tcp_rr --nolog -P 10003 -C 10013 -6 -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
hostw
lat __LAT__ 150 100
tl TCP CRR latency over IPv6: ns to host
lat -
lat -
lat -
hostb tcp_crr --nolog -P 10003 -C 10013 -6
nsout LAT tcp_crr --nolog -P 10003 -C 10013 -6 -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
hostw
lat __LAT__ 500 350
tr TCP throughput over IPv4: ns to host
ns ip link set dev lo mtu 1500
iperf3 BW ns host 127.0.0.1 100${i}3 __THREADS__ __TIME__ __OPTS__
bw __BW__ 15.0 20.0
ns ip link set dev lo mtu 4000
iperf3 BW ns host 127.0.0.1 100${i}3 __THREADS__ __TIME__ __OPTS__
bw __BW__ 15.0 20.0
ns ip link set dev lo mtu 16384
iperf3 BW ns host 127.0.0.1 100${i}3 __THREADS__ __TIME__ __OPTS__
bw __BW__ 15.0 20.0
ns ip link set dev lo mtu 65535
iperf3 BW ns host 127.0.0.1 100${i}3 __THREADS__ __TIME__ __OPTS__
bw __BW__ 15.0 20.0
tl TCP RR latency over IPv4: ns to host
lat -
lat -
lat -
hostb tcp_rr --nolog -P 10003 -C 10013 -4
nsout LAT tcp_rr --nolog -P 10003 -C 10013 -4 -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
hostw
lat __LAT__ 150 100
tl TCP CRR latency over IPv4: ns to host
lat -
lat -
lat -
hostb tcp_crr --nolog -P 10003 -C 10013 -4
nsout LAT tcp_crr --nolog -P 10003 -C 10013 -4 -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
hostw
lat __LAT__ 500 350
tr TCP throughput over IPv6: host to ns
bw -
bw -
bw -
iperf3 BW host ns ::1 100${i}2 __THREADS__ __TIME__ __OPTS__
bw __BW__ 15.0 20.0
tl TCP RR latency over IPv6: host to ns
lat -
lat -
lat -
nsb tcp_rr --nolog -P 10002 -C 10012 -6
hout LAT tcp_rr --nolog -P 10002 -C 10012 -6 -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
nsw
lat __LAT__ 150 100
tl TCP CRR latency over IPv6: host to ns
lat -
lat -
lat -
nsb tcp_crr --nolog -P 10002 -C 10012 -6
hout LAT tcp_crr --nolog -P 10002 -C 10012 -6 -c -H ::1 | sed -n 's/^throughput=\(.*\)/\1/p'
nsw
lat __LAT__ 1000 700
tr TCP throughput over IPv4: host to ns
bw -
bw -
bw -
iperf3 BW host ns 127.0.0.1 100${i}2 __THREADS__ __TIME__ __OPTS__
bw __BW__ 15.0 20.0
tl TCP RR latency over IPv4: host to ns
lat -
lat -
lat -
nsb tcp_rr --nolog -P 10002 -C 10012 -4
hout LAT tcp_rr --nolog -P 10002 -C 10012 -4 -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
nsw
lat __LAT__ 150 100
tl TCP CRR latency over IPv4: host to ns
lat -
lat -
lat -
sleep 1
nsb tcp_crr --nolog -P 10002 -C 10012 -4
hout LAT tcp_crr --nolog -P 10002 -C 10012 -4 -c -H 127.0.0.1 | sed -n 's/^throughput=\(.*\)/\1/p'
nsw
lat __LAT__ 1000 700
te
test pasta: throughput and latency (connections via tap)
nsout GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
nsout GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
nsout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
set THREADS 1
set STREAMS 2
set OPTS -Z -P __STREAMS__ -i1 -O__OMIT__ --pacing-timer 100000
info Throughput in Gbps, latency in µs, one thread at __FREQ__ GHz, __STREAMS__ streams
report pasta tap_tcp __THREADS__ __FREQ__
th MTU 1500B 4000B 16384B 65520B
tr TCP throughput over IPv6: ns to host
ns ip link set dev __IFNAME__ mtu 1500
iperf3 BW ns host __GW6__%__IFNAME__ 100${i}3 __THREADS__ __TIME__ __OPTS__ -w 512k
bw __BW__ 0.2 0.4
ns ip link set dev __IFNAME__ mtu 4000
iperf3 BW ns host __GW6__%__IFNAME__ 100${i}3 __THREADS__ __TIME__ __OPTS__ -w 1M
bw __BW__ 0.3 0.5
ns ip link set dev __IFNAME__ mtu 16384
iperf3 BW ns host __GW6__%__IFNAME__ 100${i}3 __THREADS__ __TIME__ __OPTS__ -w 8M
bw __BW__ 1.5 2.0
ns ip link set dev __IFNAME__ mtu 65520
iperf3 BW ns host __GW6__%__IFNAME__ 100${i}3 __THREADS__ __TIME__ __OPTS__ -w 8M
bw __BW__ 2.0 2.5
tl TCP RR latency over IPv6: ns to host
lat -
lat -
lat -
hostb tcp_rr --nolog -P 10003 -C 10013 -6
nsout LAT tcp_rr --nolog -P 10003 -C 10013 -6 -c -H __GW6__%__IFNAME__ | sed -n 's/^throughput=\(.*\)/\1/p'
hostw
lat __LAT__ 150 100
tl TCP CRR latency over IPv6: ns to host
lat -
lat -
lat -
hostb tcp_crr --nolog -P 10003 -C 10013 -6
nsout LAT tcp_crr --nolog -P 10003 -C 10013 -6 -c -H __GW6__%__IFNAME__ | sed -n 's/^throughput=\(.*\)/\1/p'
hostw
lat __LAT__ 1500 500
tr TCP throughput over IPv4: ns to host
ns ip link set dev __IFNAME__ mtu 1500
iperf3 BW ns host __GW__ 100${i}3 __THREADS__ __TIME__ __OPTS__ -w 512k
bw __BW__ 0.2 0.4
ns ip link set dev __IFNAME__ mtu 4000
iperf3s BW ns host __GW__ 100${i}3 __THREADS__ __TIME__ __OPTS__ -w 1M
bw __BW__ 0.3 0.5
ns ip link set dev __IFNAME__ mtu 16384
iperf3 BW ns host __GW__ 100${i}3 __THREADS__ __TIME__ __OPTS__ -w 8M
bw __BW__ 1.5 2.0
ns ip link set dev __IFNAME__ mtu 65520
iperf3 BW ns host __GW__ 100${i}3 __THREADS__ __TIME__ __OPTS__ -w 8M
bw __BW__ 2.0 2.5
tl TCP RR latency over IPv4: ns to host
lat -
lat -
lat -
hostb tcp_rr --nolog -P 10003 -C 10013 -4
nsout LAT tcp_rr --nolog -P 10003 -C 10013 -4 -c -H __GW__ | sed -n 's/^throughput=\(.*\)/\1/p'
hostw
lat __LAT__ 150 100
tl TCP CRR latency over IPv4: ns to host
lat -
lat -
lat -
hostb tcp_crr --nolog -P 10003 -C 10013 -4
nsout LAT tcp_crr --nolog -P 10003 -C 10013 -4 -c -H __GW__ | sed -n 's/^throughput=\(.*\)/\1/p'
hostw
lat __LAT__ 1500 500
te
|