-
Notifications
You must be signed in to change notification settings - Fork 7
/
Copy pathcommon.sh
1339 lines (1232 loc) · 55.5 KB
/
common.sh
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
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#!/bin/bash
# NGC Certification common functions v0.1
# Owner: [email protected]
#
scriptdir="$(dirname "$0")"
WHITE='\033[1;37m'
GREEN='\033[1;32m'
ORANGE='\033[1;33m'
RED='\033[1;31m'
NC='\033[0m'
log() {
local line prefix prio out color
line="${1}"
prefix="${2}"
[ -n "${prefix}" ] || prefix="INFO"
case "${prefix}" in
"INFO")
prio="info"
out="stderr"
;;
"RESULT_PASS")
prio="info"
color="${GREEN}"
;;
"RESULT_FAIL")
prio="info"
color="${RED}"
;;
"ERROR")
prio="err"
out="stderr"
color="${RED}"
;;
*)
prio="warning"
out="stderr"
color="${ORANGE}"
;;
esac
if [ "${out}" = "stderr" ]
then
printf "${color}%s: %s${NC}\n" "${prefix}" "${line}" |
tee >(systemd-cat -t ngc_multinode_perf -p "${prio}") >&2
else
printf "${color}%s: %s${NC}\n" "${prefix}" "${line}" |
tee >(systemd-cat -t ngc_multinode_perf -p "${prio}")
fi
}
fatal() {
log "${*}" ERROR
exit 1
}
check_connection() {
ssh "${CLIENT_TRUSTED}" ping "${SERVER_IP}" -c 5 ||
fatal "No ping from client to server, test aborted"
}
check_if_number(){
local re num
num=$1
re='^[0-9]+(\.[0-9]+)?$'
[[ $num =~ $re ]] || return 1
}
change_local_mtu() {
local ibdev netdev mtu dev ns_prefix
ibdev="${1}"
netdev="${2}"
mtu="${3}"
ns_prefix=""${@:4}""
echo "${mtu}" | ${ns_prefix} tee "/sys/class/net/${netdev}/mtu"
for dev in $(${ns_prefix} ls /sys/class/infiniband/${ibdev}/device/net/)
do
echo "${mtu}" | ${ns_prefix} tee "/sys/class/net/${dev##*/}/mtu" > /dev/null
done
}
change_mtu() {
if [ "${LINK_TYPE}" -eq 1 ]; then
MTU=9000
elif [ "${LINK_TYPE}" -eq 32 ]; then
MTU=4092
fi
num_devs=${#SERVER_DEVICES[@]}
for i in "${!CLIENT_NETDEVS[@]}"
do
server_ns_prefix=$(get_command_prefix ${i})
client_ns_prefix=$(get_command_prefix $((i+num_devs)))
ssh "${CLIENT_TRUSTED}" "sudo bash -c '$(typeset -f change_local_mtu); change_local_mtu ${CLIENT_DEVICES[i]} ${CLIENT_NETDEVS[i]} ${MTU} ${client_ns_prefix} " " '"
ssh "${SERVER_TRUSTED}" "sudo bash -c '$(typeset -f change_local_mtu); change_local_mtu ${SERVER_DEVICES[i]} ${SERVER_NETDEVS[i]} ${MTU} ${server_ns_prefix}'"
CURR_MTU="$(ssh "${CLIENT_TRUSTED}" "${client_ns_prefix} cat /sys/class/net/${CLIENT_NETDEVS[i]}/mtu")"
((CURR_MTU == MTU)) || log 'Warning, MTU was not configured correctly on Client'
CURR_MTU="$(ssh "${SERVER_TRUSTED}" " ${server_ns_prefix} cat /sys/class/net/${SERVER_NETDEVS[i]}/mtu")"
((CURR_MTU == MTU)) || log 'Warning, MTU was not configured correctly on Server'
done
}
run_iperf2() {
ssh "${SERVER_TRUSTED}" pkill iperf
ssh "${SERVER_TRUSTED}" iperf -s &
sleep 5
ssh "${CLIENT_TRUSTED}" iperf -c "${SERVER_IP}" -P "${MAX_PROC}" -t 30
ssh "${SERVER_TRUSTED}" pkill iperf
}
get_average() {
(( $# != 0 )) || fatal "Average can not be called on an empty array."
awk "BEGIN {printf \"%.2f\n\", ($(IFS=+; printf '%s' "${*}"))/$#}"
}
get_port_rate() {
local host device
host="${1}"
device="${2}"
ssh "${host}" "cat /sys/class/infiniband/${device}/ports/1/rate" | cut -d' ' -f1
}
get_min() {
local distances min_idx min_val
distances=($@)
min_idx=0
min_val=$1
for i in "${!distances[@]}"; do
if (( ${distances[$i]} < min_val )); then
min_idx=$i
min_val=${distances[$i]}
fi
done
echo "${min_idx}"
}
get_min_val() {
local distances
distances=($@)
echo "${distances[$(get_min ${distances[@]})]}"
}
get_n_min_distances() {
local n distances mins flag_min_is_first
n=$1
distances=(${@:2})
mins=()
flag_min_is_first=0
for i in $(seq 0 $((n-1))); do
MIN_IDX=$(get_min ${distances[@]})
TMP_MIN_IDX=MIN_IDX
if (( flag_min_is_first == 1 )); then
MIN_IDX=$((MIN_IDX+1))
fi
if (( TMP_MIN_IDX == 0 )); then
flag_min_is_first=1
else
flag_min_is_first=0
fi
mins=(${mins[@]} ${MIN_IDX})
unset distances[$MIN_IDX]
distances=(${distances[@]})
done
echo "${mins[@]}"
}
get_netdevs() {
local sdev cdev i
SERVER_NETDEVS=()
i=0
for sdev in "${SERVER_DEVICES[@]}"
do
prefix=$(get_command_prefix ${i})
SERVER_NETDEVS+=("$(ssh "${SERVER_TRUSTED}" "$(typeset -f get_netdev_from_ibdev); get_netdev_from_ibdev ${sdev} "${prefix}" ")")
[ -n "${SERVER_NETDEVS[${#SERVER_NETDEVS[@]}-1]}" ] ||
fatal "Can't find a server net device associated with the IB device '${sdev}'."
i=$((i+1))
done
CLIENT_NETDEVS=()
#Initialize i to first index of client namespaces
i=${#SERVER_DEVICES[@]}
for cdev in "${CLIENT_DEVICES[@]}"
do
prefix=$(get_command_prefix ${i})
CLIENT_NETDEVS+=("$(ssh "${CLIENT_TRUSTED}" "$(typeset -f get_netdev_from_ibdev); get_netdev_from_ibdev ${cdev} "${prefix}" ")")
[ -n "${CLIENT_NETDEVS[${#CLIENT_NETDEVS[@]}-1]}" ] ||
fatal "Can't find a client net device associated with the IB device '${cdev}'."
i=$((i+1))
done
}
get_ips() {
local sdev cdev i
SERVER_IPS=()
SERVER_IPS_MASK=()
i=0
for sdev in "${SERVER_DEVICES[@]}"
do
prefix=$(get_command_prefix ${i})
if ! ip_str=$(ssh "${SERVER_TRUSTED}" "${prefix}ip a sh ${SERVER_NETDEVS[i]} | grep -w '^[[:space:]]\+inet'")
then
fatal "Interface ${SERVER_NETDEVS[i]} on ${SERVER_TRUSTED#*@} seems not to have an IPv4."
fi
SERVER_IPS+=("$( echo "$ip_str" | grep -ioP '(?<=inet )\d+\.\d+\.\d+\.\d+' | xargs | tr ' ' ',')")
SERVER_IPS_MASK+=("$( echo "$ip_str" | grep -ioP "(?<=${SERVER_IPS[i]}/)\d+" | xargs | tr ' ' ',')")
[ -z "${SERVER_IPS[${#SERVER_IPS[@]}-1]}" ] &&
fatal "Can't find a server IP associated with the net device '${SERVER_NETDEVS[i]}'." ||
log "Found $(awk -F',' '{print NF}' <<<"${SERVER_IPS[${#SERVER_IPS[@]}-1]}") IPs associated with the server net device '${SERVER_NETDEVS[i]}'."
i=$((i+1))
done
CLIENT_IPS=()
CLIENT_IPS_MASK=()
i=0
ns_i_offset=${#SERVER_DEVICES[@]}
for cdev in "${CLIENT_DEVICES[@]}"
do
prefix=$(get_command_prefix $((i+ns_i_offset)))
if ! ip_str=$(ssh "${CLIENT_TRUSTED}" "${prefix} ip a sh ${CLIENT_NETDEVS[i]} | grep -w '^[[:space:]]\+inet'")
then
fatal "Interface ${CLIENT_NETDEVS[i]} on ${CLIENT_TRUSTED#*@} seems not to have an IPv4."
fi
CLIENT_IPS+=("$( echo "$ip_str" | grep -ioP '(?<=inet )\d+\.\d+\.\d+\.\d+' | xargs | tr ' ' ',')")
CLIENT_IPS_MASK+=("$( echo "$ip_str" | grep -ioP "(?<=${CLIENT_IPS[i]}/)\d+" | xargs | tr ' ' ',')")
[ -z "${CLIENT_IPS[${#CLIENT_IPS[@]}-1]}" ] &&
fatal "Can't find a client IP associated with the net device '${CLIENT_NETDEVS[i]}'." ||
log "Found $(awk -F',' '{print NF}' <<<"${CLIENT_IPS[${#CLIENT_IPS[@]}-1]}") IPs associated with the client net device '${CLIENT_NETDEVS[i]}'."
i=$((i+1))
done
}
#return array of namespaces, "NGC_NA" if device was not in a namespace
get_configured_namespaces() {
HOST="$1"
DEVICES="$2"
local i=0
netns_list=$(ssh "${HOST}" "ip netns list | awk '{print \$1}'")
for dev in "${DEVICES[@]}"
do
for netns in $netns_list; do
dev_ns=$(ssh "${HOST}" "ip netns exec $netns ls /sys/class/infiniband/$dev/device/net 2> /dev/null")
if ! [ "$dev_ns" = "" ]; then
dev_ns_list[i]="${netns}"
fi
done
if [ "${dev_ns_list[i]}" = "" ]; then
dev_ns_list[i]="NGC_NA"
fi
i=$((i+1))
done
echo "${dev_ns_list[@]}"
}
#Return prefix to run on namespace context , or empty string if dev is not in namespace,
#assuming DEVICES_NS are SERVER name spaces followed by client namespaces
get_command_prefix(){
INDEX=${1}
if [[ -v DEVICES_NS && "${DEVICES_NS[INDEX]}" == ngc_ns_* ]]; then
echo "ip netns exec ${DEVICES_NS[INDEX]} "
else
echo ""
fi
}
#Add device with index i to namespace, it will keeping its IP.
#the new namespace will be ngc_ns_${TIME_STAMP}_${i}
add_dev_to_namespace() {
HOST=$1
HOST_DEVS=$2
INDEX=$3
SERVER_NETDEV=("$(ssh "${HOST}" "$(typeset -f get_netdev_from_ibdev); get_netdev_from_ibdev ${HOST_DEVS[INDEX]}")")
NEW_NS=ngc_ns_${TIME_STAMP}_${INDEX}
NS_PREFIX="ip netns exec ${NEW_NS}"
#create namespace
ssh "${HOST}" "ip netns add ${NEW_NS}"
#Add dev to namespace
ssh "${HOST}" "ip link set ${SERVER_NETDEV} netns ${NEW_NS}"
ssh "${HOST}" "sudo ${NS_PREFIX} ip link set lo up"
ssh "${HOST}" "sudo ${NS_PREFIX} ip l set ${SERVER_NETDEV} down; sudo ${NS_PREFIX} ip l set ${SERVER_NETDEV} up; sleep 1; sudo ${NS_PREFIX} ip a add ${SERVER_IPS[INDEX]}/${SERVER_IPS_MASK[INDEX]} broadcast + dev ${SERVER_NETDEV}" || :
echo ${NEW_NS}
}
#delete the namespaces we created
delete_namespaces_from_host() {
HOST=$1
HOST_DEVS=$2
DEVICES_NS=$3
#loop over name spaces and delete the once we created, and reset there IPs
for ((i=0; i<${#HOST_DEVS[@]} ; i++))
do
if [[ "${DEVICES_NS[i]}" == ngc_ns_* ]]; then
prefix="$(get_command_prefix ${i})"
HOST_NETDEV="$(ssh "${HOST}" "$(typeset -f get_netdev_from_ibdev); get_netdev_from_ibdev ${HOST_DEVS[i]} "${prefix}" ")"
ssh "${HOST}" "ip netns delete ${DEVICES_NS[i]}"
sleep 2
ssh "${HOST}" "sudo ip l set ${HOST_NETDEV} down; sudo ip l set ${HOST_NETDEV} up; sleep 1 ; sudo ip a add ${SERVER_IPS[i]}/${SERVER_IPS_MASK[i]} broadcast + dev ${HOST_NETDEV}" || :
DEVICES_NS[i]="NGC_NA"
fi
done
}
manage_namespaces() {
declare -g -a dev_ns_list
read -ra SERVER_NS <<< $(get_configured_namespaces $SERVER_TRUSTED $SERVER_DEVICES)
read -ra CLIENT_NS <<< $(get_configured_namespaces $CLIENT_TRUSTED $CLIENT_DEVICES)
DEVICES_NS=("${SERVER_NS[@]}" "${CLIENT_NS[@]}")
get_ips_and_ifs
#Check if we intend to run external loopback
if [ ${CLIENT_TRUSTED} = ${SERVER_TRUSTED} ]
then
#check if each pair of device are on different namespace, if not add the client devices to namespaces.
#without doing so a kernel optimization traffic will pass though kernel and not though the physical layer.
for ((i=0; i<${#SERVER_NS[@]} ; i++))
do
if [ "${CLIENT_NS[i]}" = "${SERVER_NS[i]}" ]; then
#This mean that there is 2 interfaces under same namespace.
SERVER_NS[i]=$(add_dev_to_namespace $SERVER_TRUSTED $SERVER_DEVICES $i)
fi
done
#update array in case SERVER_NS changed
DEVICES_NS=("${SERVER_NS[@]}" "${CLIENT_NS[@]}")
fi
echo "${DEVICES_NS[*]}"
}
get_ips_and_ifs() {
get_netdevs
get_ips
}
get_netdev_from_ibdev() {
local ibdev netdev sfdev
ibdev="${1}"
if [ "$#" -ne 1 ]; then
prefix="${@:2}"
else
prefix=""
fi
netdev="$( ${prefix} ls -1 "/sys/class/infiniband/${ibdev}/device/net" | head -1)"
if mlnx-sf -h &> /dev/null
then
sfdev="$(mlnx-sf -ja show | sed 's/^No SF device found$/{}/' | jq -r --arg SF "${netdev}" '.[] | select(.netdev==$SF) | .sf_netdev' 2>/dev/null)"
fi
[ -z "${sfdev}" ] || netdev="${sfdev}"
printf "%s" "${netdev}"
}
get_server_client_ips_and_ifs() {
local cdev sdev i
(( $(awk -F',' '{print NF}' <<<"${CLIENT_DEVICE}") == $(awk -F',' '{print NF}' <<<"${SERVER_DEVICE}") )) ||
fatal "The number of client and server devices must be equal."
case "${CLIENT_DEVICE}" in
*","*)
client_devices=(${CLIENT_DEVICE//,/ })
CLIENT_NETDEV=()
CLIENT_IP=()
for cdev in "${client_devices[@]}"
do
CLIENT_NETDEV+=("$(ssh "${CLIENT_TRUSTED}" "$(typeset -f get_netdev_from_ibdev); get_netdev_from_ibdev ${cdev}")")
[ -n "${CLIENT_NETDEV[${#CLIENT_NETDEV[@]}-1]}" ] ||
fatal "Can't find a client net device associated with the IB device '${cdev}'."
CLIENT_IP+=("$(ssh "${CLIENT_TRUSTED}" "ip a sh ${CLIENT_NETDEV[${#CLIENT_NETDEV[@]}-1]}" | grep -ioP '(?<=inet )\d+\.\d+\.\d+\.\d+' | xargs | tr ' ' ',')")
[ -z "${CLIENT_IP[${#CLIENT_IP[@]}-1]}" ] &&
fatal "Can't find a client IP associated with the net device '${CLIENT_NETDEV[${#CLIENT_NETDEV[@]}-1]}'." ||
log "Found $(awk -F',' '{print NF}' <<<"${CLIENT_IP[${#CLIENT_IP[@]}-1]}") IPs associated with the client net device '${CLIENT_NETDEV[${#CLIENT_NETDEV[@]}-1]}'."
done
;;
*)
CLIENT_NETDEV="$(ssh "${CLIENT_TRUSTED}" "$(typeset -f get_netdev_from_ibdev); get_netdev_from_ibdev ${CLIENT_DEVICE}")"
[ -n "${CLIENT_NETDEV}" ] ||
fatal "Can't find client net device. Did you mean to specify IB device as '${CLIENT_DEVICE}'?"
readarray -t CLIENT_IP < <(ssh "${CLIENT_TRUSTED}" "ip a sh ${CLIENT_NETDEV}" | grep -ioP '(?<=inet )\d+\.\d+\.\d+\.\d+')
((${#CLIENT_IP[@]} != 0)) || fatal "Can't find client IP, did you set IPv4 address in client?"
;;
esac
case "${SERVER_DEVICE}" in
*","*)
server_devices=(${SERVER_DEVICE//,/ })
SERVER_NETDEV=()
SERVER_IP=()
for sdev in "${server_devices[@]}"
do
SERVER_NETDEV+=("$(ssh "${SERVER_TRUSTED}" "$(typeset -f get_netdev_from_ibdev); get_netdev_from_ibdev ${sdev}")")
[ -n "${SERVER_NETDEV[${#SERVER_NETDEV[@]}-1]}" ] ||
fatal "Can't find a server net device associated with the IB device '${sdev}'."
SERVER_IP+=("$(ssh "${SERVER_TRUSTED}" "ip a sh ${SERVER_NETDEV[${#SERVER_NETDEV[@]}-1]}" | grep -ioP '(?<=inet )\d+\.\d+\.\d+\.\d+' | xargs | tr ' ' ',')")
[ -z "${SERVER_IP[${#SERVER_IP[@]}-1]}" ] &&
fatal "Can't find a server IP associated with the net device '${SERVER_NETDEV[${#SERVER_NETDEV[@]}-1]}'." ||
log "Found $(awk -F',' '{print NF}' <<<"${SERVER_IP[${#SERVER_IP[@]}-1]}") IPs associated with the server net device '${SERVER_NETDEV[${#SERVER_NETDEV[@]}-1]}'."
done
;;
*)
SERVER_NETDEV="$(ssh "${SERVER_TRUSTED}" "$(typeset -f get_netdev_from_ibdev); get_netdev_from_ibdev ${SERVER_DEVICE}")"
[ -n "${SERVER_NETDEV}" ] ||
fatal "Can't find server net device. Did you mean to specify IB device as '${SERVER_DEVICE}'?"
readarray -t SERVER_IP < <(ssh "${SERVER_TRUSTED}" "ip a sh ${SERVER_NETDEV}" | grep -ioP '(?<=inet )\d+\.\d+\.\d+\.\d+')
((${#SERVER_IP[@]} != 0)) || fatal "Can't find server IP, did you set IPv4 address in server?"
;;
esac
for i in "${!CLIENT_NETDEV[@]}"
do
(( $(awk -F',' '{print NF}' <<<"${CLIENT_IP[$i]}") == $(awk -F',' '{print NF}' <<<"${SERVER_IP[$i]}") )) ||
fatal "The number of IPs on client interface ${CLIENT_NETDEV[$i]} does not match this on server interface ${SERVER_NETDEV[$i]}."
done
}
prep_for_tune_and_iperf_test() {
ssh "${CLIENT_TRUSTED}" pkill iperf3
ssh "${SERVER_TRUSTED}" pkill iperf3
find_empty_numas=( "numactl" "-H" "|" "awk"
"'/node [0-9]+ size:/{print \$4}'" "|"
"grep" "-q" "'^0$'" )
! ssh "${CLIENT_TRUSTED}" "${find_empty_numas[*]}" ||
fatal "${CLIENT_TRUSTED#*@} has empty NUMAs - please verify your BIOS/SMT settings."
! ssh "${SERVER_TRUSTED}" "${find_empty_numas[*]}" ||
fatal "${SERVER_TRUSTED#*@} has empty NUMAs - please verify your BIOS/SMT settings."
CLIENT_NUMA_NODE="$(ssh "${CLIENT_TRUSTED}" "cat /sys/class/infiniband/${CLIENT_DEVICE}/device/numa_node")"
((CLIENT_NUMA_NODE != -1)) || CLIENT_NUMA_NODE="0"
SERVER_NUMA_NODE="$(ssh "${SERVER_TRUSTED}" "cat /sys/class/infiniband/${SERVER_DEVICE}/device/numa_node")"
((SERVER_NUMA_NODE != -1)) || SERVER_NUMA_NODE="0"
get_server_client_ips_and_ifs
ssh "${CLIENT_TRUSTED}" iperf3 -v
ssh "${SERVER_TRUSTED}" iperf3 -v
ssh "${CLIENT_TRUSTED}" cat /proc/cmdline
ssh "${SERVER_TRUSTED}" cat /proc/cmdline
#ssh "${CLIENT_TRUSTED}" iperf -v
#ssh "${SERVER_TRUSTED}" iperf -v
MAX_PROC=16
THREADS=1
TIME="${TEST_DURATION}"
TCP_PORT_ID="$(echo "${CLIENT_DEVICE}" | cut -d '_' -f 2)"
TCP_PORT_ADDITION=$((TCP_PORT_ID * 100))
BASE_TCP_PORT=$((5200 + TCP_PORT_ADDITION))
NUMACTL_HW=("numactl" "-H" "|" "grep" "-v" "node")
NUM_SOCKETS_CMD=("lscpu" "|" "grep" "'Socket'" "|" "cut" "-d':'" "-f2")
NUM_NUMAS_CMD=("lscpu" "|" "grep" "'NUMA node(s)'" "|" "cut" "-d':'" "-f2")
# Get Client NUMA topology
CLIENT_NUMA_DISTS=( $(ssh "${CLIENT_TRUSTED}" "${NUMACTL_HW[*]} | sed -n 's/${CLIENT_NUMA_NODE}://p'") )
CLIENT_NUM_SOCKETS=$(ssh "${CLIENT_TRUSTED}" "${NUM_SOCKETS_CMD[*]}")
CLIENT_NUM_NUMAS=$(ssh "${CLIENT_TRUSTED}" "${NUM_NUMAS_CMD[*]}")
CLIENT_LOGICAL_NUMA_PER_SOCKET=$(( (CLIENT_NUM_NUMAS + CLIENT_NUM_SOCKETS - 1) / CLIENT_NUM_SOCKETS ))
CLIENT_FIRST_SIBLING_NUMA=( $(get_n_min_distances "${CLIENT_LOGICAL_NUMA_PER_SOCKET}" ${CLIENT_NUMA_DISTS[@]}) )
MIN_IDX=$(get_min ${CLIENT_FIRST_SIBLING_NUMA[@]})
CLIENT_BASE_NUMA=${CLIENT_FIRST_SIBLING_NUMA[$MIN_IDX]}
log "MIN_IDX $MIN_IDX, CLIENT_FIRST_SIBLING_NUMA ${CLIENT_FIRST_SIBLING_NUMA[*]} CLIENT_BASE_NUMA ${CLIENT_BASE_NUMA} CLIENT_NUMA_DISTS ${CLIENT_NUMA_DISTS[*]} CLIENT_NUMA_NODE ${CLIENT_NUMA_NODE}"
# Get Server NUMA topology
SERVER_NUMA_DISTS=( $(ssh "${SERVER_TRUSTED}" "${NUMACTL_HW[*]} | sed -n 's/${SERVER_NUMA_NODE}://p'") )
SERVER_NUM_SOCKETS=$(ssh "${SERVER_TRUSTED}" "${NUM_SOCKETS_CMD[*]}")
SERVER_NUM_NUMAS=$(ssh "${SERVER_TRUSTED}" "${NUM_NUMAS_CMD[*]}")
SERVER_LOGICAL_NUMA_PER_SOCKET=$(( (SERVER_NUM_NUMAS + SERVER_NUM_SOCKETS - 1) / SERVER_NUM_SOCKETS ))
SERVER_FIRST_SIBLING_NUMA=( $(get_n_min_distances "${SERVER_LOGICAL_NUMA_PER_SOCKET}" ${SERVER_NUMA_DISTS[@]}) )
MIN_IDX=$(get_min ${SERVER_FIRST_SIBLING_NUMA[@]})
SERVER_BASE_NUMA=${SERVER_FIRST_SIBLING_NUMA[$MIN_IDX]}
}
run_iperf3() {
RESULT_FILE=/tmp/ngc_run_result.log
PROC=$(printf "%s\n" "${CLIENT_AFFINITY_IRQ_COUNT}" "${SERVER_AFFINITY_IRQ_COUNT}" "${MAX_PROC}" | sort -h | head -n1)
#check amount of IPs for interface asked, and run iperf3 mutli proccess each on another ip.
IP_AMOUNT=$(printf "%s\n" ${#SERVER_IP[@]} ${#CLIENT_IP[@]} | sort -h | head -n1)
log "-- starting iperf with ${PROC} processes ${THREADS} threads --"
CLIENT_ACTIVE_CORES_LIST=()
SERVER_ACTIVE_CORES_LIST=()
for P in $(seq 0 $((PROC-1)))
do
index=$((P%CLIENT_LOGICAL_NUMA_PER_SOCKET*CLIENT_PHYSICAL_CORE_COUNT+P/CLIENT_LOGICAL_NUMA_PER_SOCKET))
CLIENT_ACTIVE_CORES_LIST=(${CLIENT_ACTIVE_CORES_LIST[@]} ${CLIENT_PHYSICAL_CORES[$index]})
index=$((P%SERVER_LOGICAL_NUMA_PER_SOCKET*SERVER_PHYSICAL_CORE_COUNT+P/SERVER_LOGICAL_NUMA_PER_SOCKET))
SERVER_ACTIVE_CORES_LIST=(${SERVER_ACTIVE_CORES_LIST[@]} ${SERVER_PHYSICAL_CORES[$index]})
done
CLIENT_ACTIVE_CORES_LIST=(${CLIENT_ACTIVE_CORES_LIST[@]})
SERVER_ACTIVE_CORES_LIST=(${SERVER_ACTIVE_CORES_LIST[@]})
readarray -t sorted < <(for a in "${CLIENT_ACTIVE_CORES_LIST[@]}"; do echo "${a}"; done | sort -n)
CLIENT_ACTIVE_CORES_LIST_STRING=$(printf ",%s" "${sorted[@]}")
CLIENT_ACTIVE_CORES_LIST_STRING=${CLIENT_ACTIVE_CORES_LIST_STRING:1}
sorted=()
readarray -t sorted < <(for a in "${SERVER_ACTIVE_CORES_LIST[@]}"; do echo "${a}"; done | sort -n)
SERVER_ACTIVE_CORES_LIST_STRING=$(printf ",%s" "${sorted[@]}")
SERVER_ACTIVE_CORES_LIST_STRING=${SERVER_ACTIVE_CORES_LIST_STRING:1}
ssh "${SERVER_TRUSTED}" "bash -s" -- < "${scriptdir}/run_iperf3_servers.sh" \
"${PROC}" "${SERVER_NUMA_NODE}" "${SERVER_LOGICAL_NUMA_PER_SOCKET}" \
"${SERVER_BASE_NUMA}" "${BASE_TCP_PORT}" &
if [ "$DUPLEX" = "true" ]; then
ssh "${CLIENT_TRUSTED}" "bash -s" -- < "${scriptdir}/run_iperf3_servers.sh" \
"${PROC}" "${CLIENT_NUMA_NODE}" "${CLIENT_LOGICAL_NUMA_PER_SOCKET}" \
"${CLIENT_BASE_NUMA}" "${BASE_TCP_PORT}" &
fi
check_connection
ssh "${CLIENT_TRUSTED}" "bash -s" -- < "${scriptdir}/run_iperf3_clients.sh" \
"${RESULT_FILE}" "${PROC}" "${CLIENT_NUMA_NODE}" "${CLIENT_LOGICAL_NUMA_PER_SOCKET}" \
"${CLIENT_BASE_NUMA}" "${SERVER_IP[$((P%IP_AMOUNT))]}" \
"${BASE_TCP_PORT}" "${THREADS}" "${TIME}" &
if [ "$DUPLEX" = "true" ]; then
sleep 0.1
ssh "${SERVER_TRUSTED}" "bash -s" -- < "${scriptdir}/run_iperf3_clients.sh" \
"${RESULT_FILE}" "${PROC}" "${SERVER_NUMA_NODE}" "${SERVER_LOGICAL_NUMA_PER_SOCKET}" \
"${SERVER_BASE_NUMA}" "${CLIENT_IP[$((P%IP_AMOUNT))]}" \
"${BASE_TCP_PORT}" "${THREADS}" "${TIME}" &
fi
DURATION=$((TIME - 1))
ssh "${CLIENT_TRUSTED}" "sar -u -P ${CLIENT_ACTIVE_CORES_LIST_STRING},all ${DURATION} 1 | grep 'Average' | head -n $((PROC + 1)) > ${CLIENT_CORE_USAGES_FILE}$$" &
ssh "${SERVER_TRUSTED}" "sar -u -P ${SERVER_ACTIVE_CORES_LIST_STRING},all ${DURATION} 1 | grep 'Average' | head -n $((PROC + 1)) > ${SERVER_CORE_USAGES_FILE}$$" &
wait
BITS=$(ssh "${CLIENT_TRUSTED}" "jq -s '[.[].end.sum_sent.bits_per_second] | add' <\"${RESULT_FILE}\"")
log "${CLIENT_TRUSTED#*@} Active cores: ${CLIENT_ACTIVE_CORES_LIST_STRING}"
log "Active core usages on ${CLIENT_TRUSTED#*@}"
ssh "${CLIENT_TRUSTED}" "cat ${CLIENT_CORE_USAGES_FILE}$$" | sed 's/|/ /' | awk '{print $2 "\t" $5}' >&2
USAGES=($(ssh "${CLIENT_TRUSTED}" "cat ${CLIENT_CORE_USAGES_FILE}$$" | tail -n +2 | sed 's/|/ /' | awk '{print $5}'))
TOTAL_ACTIVE_AVERAGE=$(get_average ${USAGES[@]})
>&2 printf "Overall Active: %s\tOverall All cores: %s\n" "${TOTAL_ACTIVE_AVERAGE}" \
"$(ssh "${CLIENT_TRUSTED}" "cat ${CLIENT_CORE_USAGES_FILE}$$" | grep all | sed 's/|/ /' | awk '{print $5}')"
log "${SERVER_TRUSTED#*@} Active cores: ${SERVER_ACTIVE_CORES_LIST_STRING}"
log "Active core usages on ${SERVER_TRUSTED#*@}"
ssh "${SERVER_TRUSTED}" "cat ${SERVER_CORE_USAGES_FILE}$$" | sed 's/|/ /' | awk '{print $2 "\t" $5}' >&2
USAGES=($(ssh "${SERVER_TRUSTED}" "cat ${SERVER_CORE_USAGES_FILE}$$" | tail -n +2 | sed 's/|/ /' | awk '{print $5}'))
TOTAL_ACTIVE_AVERAGE=$(get_average ${USAGES[@]})
>&2 printf "Overall Active: %s\tOverall All cores: %s\n" "${TOTAL_ACTIVE_AVERAGE}" \
"$(ssh "${SERVER_TRUSTED}" "cat ${SERVER_CORE_USAGES_FILE}$$" | grep all | sed 's/|/ /' | awk '{print $5}')"
rates=("$(get_port_rate "${CLIENT_TRUSTED}" "${CLIENT_DEVICE}")" "$(get_port_rate "${SERVER_TRUSTED}" "${SERVER_DEVICE}")")
min_rate=$(get_min_val ${rates[@]})
log "Throughput is: $(awk "BEGIN {printf \"%.2f\n\",${BITS}/1000000000}") Gb/s (maximal expected line rate is: ${min_rate} Gb/s)."
}
find_cuda() {
SERVER_TRUSTED=$1
NICX=$2
RELATION=$3
CUDA_INDEX=-1
LINE=$(ssh "${SERVER_TRUSTED}" "nvidia-smi topo -mp" | grep -w "^${NICX}" | grep "${RELATION}" )
RES=""
for RL in $LINE
do
if [ "$RL" = "$RELATION" ]
then
if [ "$RES" = "" ]
then
RES="$CUDA_INDEX"
else
RES="${RES},$CUDA_INDEX"
fi
fi
CUDA_INDEX=$((CUDA_INDEX+1))
if (( CUDA_INDEX > $((GPUS_COUNT-1)) ))
then
break
fi
done
if [ "$RES" != "" ]
then
echo $RES
exit 0
fi
}
get_cudas_per_rdma_device() {
local node_relations
SERVER_TRUSTED="${1}"
RDMA_DEVICE="$2"
USER_DEF_CUDA="${3}"
if [ -n "${USER_DEF_CUDA}" ]; then
echo "${USER_DEF_CUDA}"
return
fi
GPUS_COUNT=$(ssh "${SERVER_TRUSTED}" "nvidia-smi -L" | wc -l)
if ssh "${SERVER_TRUSTED}" "nvidia-smi topo -mp" | grep -q "NIC Legend"
then
NICX="$(ssh "${SERVER_TRUSTED}" "nvidia-smi topo -mp" | grep -w "$RDMA_DEVICE" | cut -d : -f 1 | xargs )"
else
NICX="$RDMA_DEVICE"
fi
if [ "$NICX" = "" ]
then
exit 1
fi
#loop over expected relations between NIC and GPU:
#if there is a connection traversing at most a single PCIe bridge - PIX
#if there is a connection traversing multiple PCIe bridges (without traversing the PCIe Host Bridge) - PXB
#[optional] connection traversing PCIe as well as the interconnect between PCIe Host Bridges within a NUMA node - NODE
node_relations=( "PIX" "PXB" )
[ "${ALLOW_GPU_NODE_RELATION}" != true ] || node_relations+=( "NODE" )
for RELATION in "${node_relations[@]}"
do
find_cuda "$SERVER_TRUSTED" "$NICX" "$RELATION"
done
exit 1
}
get_numa_nodes_array() {
local ITER=0
local IP=$1
local RDMA_DEVICES=(${2//,/ })
declare -a DEVCIES_NUMA=("${RDMA_DEVICES[@]/*/0}")
for dev in "${RDMA_DEVICES[@]}"
do
if ssh ${IP} "test -e /sys/class/infiniband/${dev}/device/numa_node"; then
NUMA_NODE=$(ssh ${IP} cat /sys/class/infiniband/${dev}/device/numa_node)
if [[ $NUMA_NODE == "-1" ]]; then
NUMA_NODE="0"
fi
else
NUMA_NODE="0"
fi
DEVCIES_NUMA[$ITER]=$NUMA_NODE
ITER=$((ITER+1))
done
echo "${DEVCIES_NUMA[*]}"
}
#Will return cores form the closest numa node
#param: NUMA_NODE index, string of NUMASTL -H output , NEIGHBOR_LEVELS how many neighbors
get_more_cores_for_closest_numa(){
local numa_index=$1
local STR_NUMACTL="$2"
local NEIGHBOR_LEVELS=$3
distances=( $(echo "$STR_NUMACTL" | sed -n "s/ ${numa_index}://p") )
sorted_indxes_and_dist=($(for i in "${!distances[@]}"; do echo "$i ${distances[$i]}"; done | sort -n -k2))
echo "${sorted[@]}"
#get only indexes without the first one - since distance to self will be the lower values.
sorted_indexes=($(echo "${sorted_indxes_and_dist[@]}" | awk '{for(i=3; i<=NF; i+=2) print $i}'))
local level=1
res=()
for nighbor_numa in "${sorted_indexes[@]}"
do
if [ $level -gt $NEIGHBOR_LEVELS ]
then
break
fi
res+=( $(echo "$STR_NUMACTL"| grep -i "node $nighbor_numa cpus" | awk '{print substr($0,14)}'))
level=$((level+1))
done
echo ${res[@]}
}
#global params :
#NUMA_NODES
get_available_cores_per_device(){
local SERVER_TRUSTED=$1
local REQ_CORE_NUM=$2
local i=0
declare -a INDEX_OF_DEVICE_IN_NUMA
declare -a NUM_ARRAY
STR_NUMASTL=$(ssh ${SERVER_TRUSTED} numactl -H)
#Set max to number of cores in first numa
local MAX_POSSIBLE_CORES_PER_DEVICE=$( echo "${STR_NUMASTL}" | grep -i "node ${NUMA_NODES[0]} cpus" | awk '{print substr($0,14)}' | wc -w )
if [ $MAX_POSSIBLE_CORES_PER_DEVICE -gt $REQ_CORE_NUM ]
then
MAX_POSSIBLE_CORES_PER_DEVICE=$REQ_CORE_NUM
fi
MAX_POSSIBLE_CORES_PER_DEVICE=85
for n in "${NUMA_NODES[@]}"
do
CORES_IN_NUMA_REF="CORES_IN_NUMA_${n}"
if [ "$(eval "echo \${#${CORES_IN_NUMA_REF}[@]}")" -eq 0 ]
then
#Save core list on NUMA n
eval "declare -a CORES_IN_NUMA_${n}=($(ssh ${SERVER_TRUSTED} numactl -H | grep -i "node $n cpus" | awk '{print substr($0,14)}')) ";
if [ "$(eval "echo \${#${CORES_IN_NUMA_REF}[@]}")" -lt $REQ_CORE_NUM ]
then
eval "${CORES_IN_NUMA_REF}+=( $(get_more_cores_for_closest_numa $n "$STR_NUMASTL" $NEIGHBOR_LEVELS) )"
fi
NUM_ARRAY["num_devices_${n}"]=1
else
curr_value="${NUM_ARRAY["num_devices_${n}"]}"
NUM_ARRAY["num_devices_${n}"]=$((curr_value+1))
fi
INDEX_OF_DEVICE_IN_NUMA[$i]="${NUM_ARRAY["num_devices_${n}"]}"
i=$((i+1))
curr_value="${NUM_ARRAY["num_devices_${n}"]}"
eval 'array_count=${#CORES_IN_NUMA_'"$n"'[@]}'
COUNT_CORES=$(( array_count / curr_value))
if [ $MAX_POSSIBLE_CORES_PER_DEVICE -gt $COUNT_CORES ]
then
MAX_POSSIBLE_CORES_PER_DEVICE=$COUNT_CORES
fi
done
#reset i
i=0
log "Each device can use up to $MAX_POSSIBLE_CORES_PER_DEVICE cores (may include core 0)"
local j
for n in "${NUMA_NODES[@]}"
do
for ((j=0; j<MAX_POSSIBLE_CORES_PER_DEVICE; j++))
do
index=$((j + (INDEX_OF_DEVICE_IN_NUMA[i]-1)*MAX_POSSIBLE_CORES_PER_DEVICE))
eval "res=\${CORES_IN_NUMA_${n}[\$index]}"
eval "all=\${CORES_IN_NUMA_${n}[@]}"
echo -n "$res "
done
i=$((i+1))
done
}
#Check if core zero is in any of the list of cores
check_if_has_core_zero(){
for i in "${SERVER_CORES[@]}"
do
if [ $i -eq 0 ]
then
echo true
return 0
fi
done
for i in "${CLIENT_CORES[@]}"
do
if [ $i -eq 0 ]
then
echo true
return 0
fi
done
echo false
}
#Normalize core list:
#use same number of cores on each side
#avoid using core 0 if needed.
#when running full duplex make sure w
normlize_core_lists() {
local server_core_per_device=$(( ${#SERVER_CORES[@]}/NUM_DEVS ))
local client_core_per_device=$(( ${#CLIENT_CORES[@]}/NUM_DEVS ))
local max_usable_cores=$((server_core_per_device<client_core_per_device ? server_core_per_device : client_core_per_device))
#TODO check if need to limit number of cores to number of channels
max_usable_cores=$((84<max_usable_cores ? 84 : max_usable_cores))
s_offset=0
e_offset=0
HAS_CORE_ZERO=$(check_if_has_core_zero)
if [ "$HAS_CORE_ZERO" = "true" ] && [ "$ALLOW_CORE_ZERO" = "false" ] && [ $max_usable_cores -gt 2 ]
then
s_offset=1
fi
#in case of duplex make sure the #core is even
if [ "$DUPLEX" = "true" ] && [ $(((max_usable_cores-s_offset)%2)) -eq 1 ]
then
e_offset=1
fi
#Reduce #core to up to opt_proc
finial_core_count=$((max_usable_cores<opt_proc ? max_usable_cores : opt_proc))
#make sure even number of cores is used for full duplex
if [ $((finial_core_count%2)) -eq 1 ] && [ "$DUPLEX" = "true" ]
then
finial_core_count=$((finial_core_count-1))
fi
if [ $((max_usable_cores-NUM_DEVS)) -lt $finial_core_count ]
then
up_to=$((finial_core_count - e_offset - s_offset))
else
up_to=$finial_core_count
fi
for((i=1; i<=NUM_DEVS; i++))
do
start_pos=$((finial_core_count*(i-1) + s_offset))
shead_array=(${shead_array[@]} ${SERVER_CORES[@]:$start_pos:up_to})
chead_array=(${chead_array[@]} ${CLIENT_CORES[@]:$start_pos:up_to})
done
echo "${shead_array[@]} ${chead_array[@]}"
}
get_cores_for_devices(){
local CLIENT_TRUSTED="${1}"
local CLIENT_DEVICES=(${2})
local SERVER_TRUSTED="${3}"
local SERVER_DEVICES=(${4})
if [ ${CLIENT_TRUSTED#*@} = ${SERVER_TRUSTED#*@} ]
then
combindList="${4},${2}"
NUMA_NODES=($(get_numa_nodes_array "$CLIENT_TRUSTED" "$combindList"))
get_available_cores_per_device $CLIENT_TRUSTED $5
else
NUMA_NODES=($(get_numa_nodes_array "$SERVER_TRUSTED" "$SERVER_DEVICES"))
read -ra SERVER_CORES <<< $(get_available_cores_per_device $SERVER_TRUSTED $5)
server_core_per_device=$((${#SERVER_CORES[@]}))
NUMA_NODES=($(get_numa_nodes_array "$CLIENT_TRUSTED" "$CLIENT_DEVICES"))
read -ra CLIENT_CORES <<< $(get_available_cores_per_device $CLIENT_TRUSTED $server_core_per_device)
normlize_core_lists
fi
}
get_min_channels(){
server_prefix="$(get_command_prefix 0)"
min=$(ssh "${SERVER_TRUSTED}" "${server_prefix} ethtool -l ${SERVER_NETDEVS[0]} | awk -F: '/Combined/{print $2;exit;}' | grep -Eo '[0-9]+\$'")
i=0
for dev in "${SERVER_NETDEVS[@]}"
do
server_prefix="$(get_command_prefix $i)"
tmp=$(ssh "${SERVER_TRUSTED}" "${server_prefix} ethtool -l ${dev} | awk -F: '/Combined/{print $2;exit;}' | grep -Eo '[0-9]+\$'")
if [ $tmp -lt $min ]
then
min=$tmp
fi
i=$((i+1))
done
i=${#SERVER_NETDEVS[@]}
for dev in "${CLIENT_NETDEVS[@]}"
do
client_prefix="$(get_command_prefix $i)"
tmp=$(ssh "${CLIENT_TRUSTED}" "${client_prefix} ethtool -l ${dev} | awk -F: '/Combined/{print $2;exit;}' | grep -Eo '[0-9]+\$'")
if [ $tmp -lt $min ]
then
min=$tmp
fi
done
echo $min
}
#Disable PCI relaxed ordering
disable_pci_RO() {
local SERVER=$1
local SERVER_NETDEV=$2
if [ "$#" -ne 1 ]; then
prefix="${@:3}"
else
prefix=""
fi
pci=$(ssh "${SERVER}" "sudo ${prefix} ethtool -i ${SERVER_NETDEV} | grep "bus-info" | awk '{print \$2}' ")
sleep 5
curr_val=$(ssh "${SERVER}" "sudo setpci -s ${pci} CAP_EXP+8.b")
update_val=$(printf '%X\n' "$(( 0x$curr_val & 0xEF ))")
if ! [ "${curr_val,,}" = "${update_val,,}" ]
then
ssh "${SERVER}" "sudo setpci -s ${pci} CAP_EXP+8.b=$update_val"
log "PCIe ${pci} relaxed ordering was disabled - please restart driver" WARNING
FORCE_EXIT=true
fi
}
# Enable aRFS for ethernet links
enable_aRFS() {
local SERVER=$1
local SERVER_NETDEV=$2
if [ "$#" -ne 1 ]; then
prefix="${@:3}"
else
prefix=""
fi
#TODO: check if supported
ssh "${SERVER}" "${prefix}sudo ethtool -K ${SERVER_NETDEV} ntuple off"
ssh "${SERVER}" "sudo bash -c 'echo 0 > /proc/sys/net/core/rps_sock_flow_entries'"
}
enable_flow_stearing(){
local CLIENT_NETDEV=$1
local SERVER_NETDEV=$2
local index=$3
local i
local -a cmd_arr
server_ns_prefix=$(get_command_prefix ${i})
client_ns_prefix=$(get_command_prefix $((num_devs+i)))
ssh "${CLIENT_TRUSTED}" "for ((j=0; j<100; j++)); do sudo ${client_ns_prefix} ethtool -U ${CLIENT_NETDEV} delete \${j} &> /dev/null; done" || :
ssh "${SERVER_TRUSTED}" "for ((j=0; j<100; j++)); do sudo ${server_ns_prefix} ethtool -U ${SERVER_NETDEV} delete \${j} &> /dev/null; done" || :
log "done attempting to delete any existing rules, ethtool -U $SERVER_NETDEV delete "
sleep 1
for ((i=0; i < $NUM_INST; i++))
do
cmd_arr=("${server_ns_prefix} ethtool" "-U" "${SERVER_NETDEV}" "flow-type" "tcp4" "dst-port" "$((10000*(index+1) + i))" "loc" "${i}" "queue" "${i}")
ssh "${SERVER_TRUSTED}" "sudo ${cmd_arr[*]}" &> /dev/null
log "flow starting ${SERVER_TRUSTED#*@}: ${cmd_arr[*]}"
if [ "$DUPLEX" = true ]
then
cmd_arr=("${server_ns_prefix} ethtool" "-U" "${SERVER_NETDEV}" "flow-type" "tcp4" "src-port" "$((10000*(index+1) + i))" "loc" "$((i+NUM_INST))" "queue" "$((i+NUM_INST))")
ssh "${SERVER_TRUSTED}" "sudo ${cmd_arr[*]}" &> /dev/null
log "flow starting ${SERVER_TRUSTED}: ${cmd_arr[*]}"
cmd_arr=("${client_ns_prefix} ethtool" "-U" "${CLIENT_NETDEV}" "flow-type" "tcp4" "dst-port" "$((11000*(index+1) + i))" "loc" "${i}" "queue" "${i}")
ssh "${CLIENT_TRUSTED}" "sudo ${cmd_arr[*]}" &> /dev/null
log "flow starting ${CLIENT_TRUSTED}: ${cmd_arr[*]}"
cmd_arr=("${client_ns_prefix} ethtool" "-U" "${CLIENT_NETDEV}" "flow-type" "tcp4" "src-port" "$((11000*(index+1) + i))" "loc" "$((i+NUM_INST))" "queue" "$((i+NUM_INST))")
ssh "${CLIENT_TRUSTED}" "sudo ${cmd_arr[*]}" &> /dev/null
log "flow starting ${CLIENT_TRUSTED#*@}: ${cmd_arr[*]}"
else
cmd_arr=("${client_ns_prefix} ethtool" "-U" "${CLIENT_NETDEV}" "flow-type" "tcp4" "src-port" "$((10000*(index+1) + i))" "loc" "${i}" "queue" "${i}")
ssh "${CLIENT_TRUSTED}" "sudo ${cmd_arr[*]}" &> /dev/null
log "flow starting ${CLIENT_TRUSTED#*@}: ${cmd_arr[*]}"
fi
done
}
is_SPR() {
#Sapphire Rapids CPU Model
#https://en.wikichip.org/wiki/intel/microarchitectures/sapphire_rapids#CPUID
SPR=143
cpu_model=$(ssh $1 lscpu | grep -A 10 "Vendor ID:" | grep -A 10 "Intel" | grep "Model:" | awk '{print $2}')
[[ $cpu_model -eq $SPR ]] && echo true || echo false
}
#ِAvailable Prams:
#CLIENT_TRUSTED,CLIENT_DEVICES,SERVER_TRUSTED,SERVER_DEVICES,NUM_INST,NUM_CORES_PER_DEVICE,CORES_ARRAY
tune_tcp() {
# Stop IRQ balancer service
ssh "${CLIENT_TRUSTED}" '! systemctl is-active --quiet irqbalance.service || sudo systemctl stop irqbalance.service'
ssh "${SERVER_TRUSTED}" '! systemctl is-active --quiet irqbalance.service || sudo systemctl stop irqbalance.service'
#Check if special tuning for Sapphire Rapid system is needed
IS_SERVER_SPR=$(is_SPR "${SERVER_TRUSTED}")
IS_CLIENT_SPR=$(is_SPR "${CLIENT_TRUSTED}")
CHANNELS=$(($NUM_CORES_PER_DEVICE > 63 ? 63 : $NUM_CORES_PER_DEVICE))
num_devs=${#SERVER_DEVICES[@]}
local i=0
for ((; i<num_devs; i++))
do
server_netdev="${SERVER_NETDEVS[i]}"
client_netdev="${CLIENT_NETDEVS[i]}"
server_ns_prefix=$(get_command_prefix ${i})
client_ns_prefix=$(get_command_prefix $((num_devs+i)))
#Set number of channels to number of cores per process
ssh "${SERVER_TRUSTED}" sudo ${server_ns_prefix} ethtool -L "${server_netdev}" combined "$CHANNELS"
ssh "${CLIENT_TRUSTED}" sudo ${client_ns_prefix} ethtool -L "${client_netdev}" combined "$CHANNELS"
if $IS_SERVER_SPR
then
#Enhancement:to have multiple profile for SPR , when it is single 400Gb/s port you can set rx-usecs 128 and rx-frames 512
ssh "${SERVER_TRUSTED}" "sudo ${server_ns_prefix} ethtool -C ${server_netdev} adaptive-rx off ; sudo ${server_ns_prefix} ethtool -C $server_netdev rx-usecs 128 ; sudo ${server_ns_prefix} ethtool -C $server_netdev rx-frames 512 ; sudo ${server_ns_prefix} ethtool -G $server_netdev rx 4096"
[ $DISABLE_RO = true ] && disable_pci_RO "${SERVER_TRUSTED}" "${server_netdev}" "${server_ns_prefix}"
fi
if $IS_CLIENT_SPR
then
ssh "${CLIENT_TRUSTED}" "sudo ethtool -C ${client_netdev} adaptive-rx off ; sudo ethtool -C $client_netdev rx-usecs 128 ; sudo ethtool -C $client_netdev rx-frames 512 ; sudo ethtool -G $client_netdev rx 4096"
[ $DISABLE_RO = true ] && disable_pci_RO "${CLIENT_TRUSTED}" "${client_netdev}" ${client_ns_prefix}
fi
NUM_CORES_AFFINITY=$((NUM_INST/2))
if [ "$DUPLEX" = true ]
then
NUM_CORES_AFFINITY=$NUM_INST
fi
offset_c=$NUM_CORES_AFFINIT
s_core=$((i*NUM_CORES_PER_DEVICE + offset_c ))
#indexes of cores for client side starts from the second half of the device.
c_core=$((i*NUM_CORES_PER_DEVICE +num_devs*NUM_CORES_PER_DEVICE + offset_c ))
#add dummy core at the start since the first one is used to sync, this will allow us to have one
ssh "${SERVER_TRUSTED}" sudo ${server_ns_prefix} set_irq_affinity_cpulist.sh "$(tr " " "," <<< "${CORES_ARRAY[@]:s_core:$((NUM_CORES_AFFINITY))}")" "${SERVER_DEVICES[i]}" &> /dev/null
ssh "${CLIENT_TRUSTED}" sudo ${client_ns_prefix} set_irq_affinity_cpulist.sh "$(tr " " "," <<< "${CORES_ARRAY[@]:c_core:$((NUM_CORES_AFFINITY))}")" "${CLIENT_DEVICES[i]}" &> /dev/null
log "Device ${SERVER_DEVICES[i]} in server side core affinity is $(tr " " "," <<< "${CORES_ARRAY[@]:s_core:$((NUM_CORES_AFFINITY))}")"
log "Device ${CLIENT_DEVICES[i]} in client side core affinity is $(tr " " "," <<< "${CORES_ARRAY[@]:c_core:$((NUM_CORES_AFFINITY))}")"
#Enable aRFS
if [ ${LINK_TYPE} -eq 9 ]; then
enable_aRFS "${SERVER_TRUSTED}" "${server_netdev} ${server_ns_prefix}"
enable_aRFS "${CLIENT_TRUSTED}" "${client_netdev} ${client_ns_prefix}"
fi
enable_flow_stearing $client_netdev $server_netdev $i
ssh "${SERVER_TRUSTED}" "sudo ${server_ns_prefix} ip l set ${server_netdev} down; sudo ${server_ns_prefix} ip l set ${server_netdev} up; sleep 1 ; sudo ${server_ns_prefix} ip a add ${SERVER_IPS[i]}/${SERVER_IPS_MASK[i]} broadcast + dev ${server_netdev}" || :
ssh "${CLIENT_TRUSTED}" "sudo ${client_ns_prefix} ip l set ${client_netdev} down; sudo ${client_ns_prefix} ip l set ${client_netdev} up; sleep 1 ; sudo ${client_ns_prefix} ip a add ${CLIENT_IPS[i]}/${CLIENT_IPS_MASK[i]} broadcast + dev ${client_netdev}" || :
done
}
run_iperf_servers() {
local dev_idx=0
local -a cmd_arr
for ((; dev_idx<NUM_DEVS; dev_idx++))
do
server_ns_prefix=$(get_command_prefix ${i})
client_ns_prefix=$(get_command_prefix $((NUM_DEVS+i)))
local OFFSET_S=$((dev_idx*NUM_CORES_PER_DEVICE ))
for i in $(seq 0 $((NUM_INST-1))); do