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2026-05-08 - 18:10
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack3slot3.osadl.org (updated Fri May 08, 2026 12:46:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
128501070irq/42-ahci0-21swapper/107:08:261
9918501010irq/53-eth0-rx-0-21swapper/207:08:114
991850960irq/53-eth0-rx-0-21swapper/707:09:469
991850950irq/53-eth0-rx-0-21swapper/407:06:586
12850950irq/42-ahci0-21swapper/307:08:555
1476729182sleep100-21swapper/1007:06:532
991850900irq/53-eth0-rx-0-21swapper/507:05:207
991850890irq/53-eth0-rx-0-21swapper/1107:06:013
12850870irq/42-ahci0-21swapper/807:08:5410
991850820irq/53-eth0-rx-0-21swapper/907:05:0311
1477827766sleep60-21swapper/607:07:018
1469026553sleep00-21swapper/007:05:560
15155993126cyclictest7091-21diskmemload09:25:590
15155992928cyclictest0-21swapper/007:15:110
15203991918cyclictest0-21swapper/1107:20:363
15203991918cyclictest0-21swapper/1107:20:353
15203991917cyclictest234582sleep1109:22:213
1520199192cyclictest991850irq/53-eth0-rx-12:24:322
1520199192cyclictest991850irq/53-eth0-rx-12:15:222
1520199192cyclictest991850irq/53-eth0-rx-11:16:002
1520199192cyclictest991850irq/53-eth0-rx-09:25:492
1520099192cyclictest18439-21ssh10:13:3711
1520099192cyclictest0-21swapper/912:29:3411
1520099192cyclictest0-21swapper/911:47:1411
1520099192cyclictest0-21swapper/910:56:1511
1520099192cyclictest0-21swapper/909:56:3111
15197991916cyclictest1873-21python08:15:228
1520399180cyclictest0-21swapper/1110:30:413
1520399180cyclictest0-21swapper/1110:30:403
15201991817cyclictest23918-21kworker/10:110:00:292
15201991817cyclictest0-21swapper/1012:26:412
15201991817cyclictest0-21swapper/1011:53:192
15201991817cyclictest0-21swapper/1011:31:532
15201991817cyclictest0-21swapper/1010:57:192
15201991817cyclictest0-21swapper/1010:35:402
15201991817cyclictest0-21swapper/1010:26:432
15201991817cyclictest0-21swapper/1010:26:432
15201991817cyclictest0-21swapper/1009:56:392
15201991817cyclictest0-21swapper/1009:12:012
15201991817cyclictest0-21swapper/1009:05:162
15201991816cyclictest21160-21ssh11:38:032
15201991816cyclictest12428-21ssh11:03:312
1520199181cyclictest991950irq/54-eth0-tx-12:31:132
1520199181cyclictest991950irq/54-eth0-tx-11:56:032
1520199181cyclictest991950irq/54-eth0-tx-11:46:552
1520199181cyclictest991950irq/54-eth0-tx-09:20:472
1520199181cyclictest991850irq/53-eth0-rx-12:00:462
1520199181cyclictest991850irq/53-eth0-rx-11:05:132
1520199181cyclictest991850irq/53-eth0-rx-10:43:182
1520199181cyclictest991850irq/53-eth0-rx-10:43:172
1520199181cyclictest991850irq/53-eth0-rx-10:20:272
1520199181cyclictest991850irq/53-eth0-rx-10:20:012
1520199181cyclictest991850irq/53-eth0-rx-10:20:002
1520199181cyclictest991850irq/53-eth0-rx-10:09:222
1520199181cyclictest991850irq/53-eth0-rx-09:53:292
1520199181cyclictest991850irq/53-eth0-rx-08:28:392
1520199181cyclictest991850irq/53-eth0-rx-07:48:532
1520199181cyclictest991850irq/53-eth0-rx-07:16:082
1520199181cyclictest831ksoftirqd/1009:35:172
1520199181cyclictest12850irq/42-ahci10:47:322
1520199181cyclictest12850irq/42-ahci08:15:492
1520199181cyclictest12850irq/42-ahci08:11:272
1520099181cyclictest991850irq/53-eth0-rx-09:46:2711
1520099181cyclictest6770-1kworker/9:0H11:59:3711
1520099181cyclictest5978-21kworker/9:012:10:1111
1520099181cyclictest0-21swapper/912:35:3411
1520099181cyclictest0-21swapper/912:30:2511
1520099181cyclictest0-21swapper/912:24:0511
1520099181cyclictest0-21swapper/912:18:5711
1520099181cyclictest0-21swapper/912:00:4511
1520099181cyclictest0-21swapper/911:40:0411
1520099181cyclictest0-21swapper/911:39:0211
1520099181cyclictest0-21swapper/911:28:5811
1520099181cyclictest0-21swapper/911:23:0411
1520099181cyclictest0-21swapper/911:10:0511
1520099181cyclictest0-21swapper/910:45:5311
1520099181cyclictest0-21swapper/910:37:0711
1520099181cyclictest0-21swapper/910:05:4911
1520099181cyclictest0-21swapper/909:43:2111
1520099181cyclictest0-21swapper/909:39:2311
1520099181cyclictest0-21swapper/909:26:0311
1520099181cyclictest0-21swapper/909:13:1011
1520099181cyclictest0-21swapper/908:16:0711
15191991816cyclictest16813-21ssh10:40:106
15191991816cyclictest16813-21ssh10:40:106
1518499180cyclictest0-21swapper/310:23:595
15201991716cyclictest0-21swapper/1011:40:182
15201991716cyclictest0-21swapper/1008:30:152
15201991715cyclictest14622-21diskstats07:50:122
1520199170cyclictest991950irq/54-eth0-tx-11:25:132
1520199170cyclictest991950irq/54-eth0-tx-09:45:222
1520199170cyclictest991950irq/54-eth0-tx-08:50:112
1520199170cyclictest991850irq/53-eth0-rx-12:10:562
1520199170cyclictest991850irq/53-eth0-rx-12:05:032
1520199170cyclictest991850irq/53-eth0-rx-11:20:032
1520199170cyclictest991850irq/53-eth0-rx-11:10:122
1520199170cyclictest991850irq/53-eth0-rx-10:50:352
1520199170cyclictest991850irq/53-eth0-rx-09:40:032
1520199170cyclictest991850irq/53-eth0-rx-09:15:012
1520199170cyclictest991850irq/53-eth0-rx-08:56:002
1520199170cyclictest991850irq/53-eth0-rx-08:45:112
1520199170cyclictest991850irq/53-eth0-rx-08:40:352
1520199170cyclictest991850irq/53-eth0-rx-08:06:542
1520199170cyclictest991850irq/53-eth0-rx-07:35:112
1520199170cyclictest991850irq/53-eth0-rx-07:20:152
1520199170cyclictest991850irq/53-eth0-rx-07:20:152
1520199170cyclictest991850irq/53-eth0-rx-07:10:152
1520199170cyclictest85002sleep1007:40:222
1520199170cyclictest66172chrt10:30:162
1520199170cyclictest66172chrt10:30:152
1520199170cyclictest62532sleep1008:21:262
1520199170cyclictest30262sleep1009:00:412
1520199170cyclictest297702sleep1007:25:192
1520199170cyclictest264342sleep1012:35:572
1520199170cyclictest240552sleep1008:02:342
1520199170cyclictest19192sleep1007:30:562
1520199170cyclictest18002sleep1009:30:342
1520199170cyclictest143262chrt08:35:022
1520199170cyclictest138172chrt10:10:022
1520199170cyclictest12850irq/42-ahci07:55:022
15200991716cyclictest0-21swapper/910:19:1211
15200991716cyclictest0-21swapper/910:19:1111
1520099170cyclictest6770-1kworker/9:0H08:47:4511
1520099170cyclictest0-21swapper/911:33:3311
1520099170cyclictest0-21swapper/911:15:1111
1520099170cyclictest0-21swapper/911:05:1111
1520099170cyclictest0-21swapper/910:30:2211
1520099170cyclictest0-21swapper/910:30:2211
1520099170cyclictest0-21swapper/910:23:1311
1520099170cyclictest0-21swapper/910:04:1011
1520099170cyclictest0-21swapper/909:53:3311
1520099170cyclictest0-21swapper/908:05:1311
15197991716cyclictest27789-21qemu-kvm08:08:178
15197991716cyclictest12305-21qemu-kvm10:23:018
15197991715cyclictest30104-21python07:25:228
15200991615cyclictest991950irq/54-eth0-tx-10:26:1511
15200991615cyclictest991950irq/54-eth0-tx-10:26:1511
15200991615cyclictest14231-21cstates09:15:1211
15200991615cyclictest0-21swapper/911:00:0811
15200991615cyclictest0-21swapper/909:05:1111
15200991615cyclictest0-21swapper/908:20:1711
15200991615cyclictest0-21swapper/907:23:3611
15200991615cyclictest0-21swapper/907:23:3511
1520099161cyclictest0-21swapper/908:55:1111
15197991615cyclictest27789-21qemu-kvm08:24:118
15197991615cyclictest12307-21qemu-kvm10:44:138
15197991615cyclictest12307-21qemu-kvm10:44:138
15197991615cyclictest12305-21qemu-kvm10:09:398
15197991614cyclictest1797-21python12:15:248
15197991614cyclictest12307-21qemu-kvm10:30:028
15197991614cyclictest12307-21qemu-kvm10:30:018
15196991614cyclictest8436-21ssh10:31:167
15196991614cyclictest8436-21ssh10:31:157
1519699161cyclictest0-21swapper/509:34:087
1519699160cyclictest0-21swapper/509:48:417
1519199160cyclictest0-21swapper/409:24:496
1516299161cyclictest0-21swapper/110:21:401
15155991614cyclictest243922chrt09:24:100
1515599161cyclictest0-21swapper/010:50:520
1520399154cyclictest0-21swapper/1111:44:593
1520399154cyclictest0-21swapper/1109:35:003
15203991514cyclictest991850irq/53-eth0-rx-09:14:333
15203991513cyclictest28312-21chrt09:25:343
15200991514cyclictest0-21swapper/911:52:5311
15200991514cyclictest0-21swapper/910:50:2411
15200991514cyclictest0-21swapper/909:33:0811
1519899155cyclictest0-21swapper/710:15:019
1519899155cyclictest0-21swapper/710:15:009
1519899154cyclictest0-21swapper/709:25:009
15197991513cyclictest26497-21snmp_rack3slot911:42:018
15196991514cyclictest4684-21ssh11:50:237
15196991514cyclictest12305-21qemu-kvm10:35:567
1519699150cyclictest0-21swapper/512:35:247
1519699150cyclictest0-21swapper/512:30:357
1519699150cyclictest0-21swapper/511:43:127
1519699150cyclictest0-21swapper/510:50:267
1519699150cyclictest0-21swapper/510:05:467
1519199150cyclictest0-21swapper/411:05:366
1519199150cyclictest0-21swapper/410:37:046
1519199150cyclictest0-21swapper/410:32:166
1519199150cyclictest0-21swapper/410:32:156
1519199150cyclictest0-21swapper/409:52:286
1518499150cyclictest0-21swapper/311:07:325
1518499150cyclictest0-21swapper/310:38:145
1518499150cyclictest0-21swapper/310:25:085
1518499150cyclictest0-21swapper/310:25:075
1518499150cyclictest0-21swapper/309:52:235
1518499150cyclictest0-21swapper/309:34:025
15173991513cyclictest2308-21snmpd12:20:084
15173991513cyclictest2308-21snmpd10:46:214
1516299151cyclictest0-21swapper/107:50:161
1516299150cyclictest0-21swapper/112:29:521
1516299150cyclictest0-21swapper/111:55:251
1516299150cyclictest0-21swapper/111:42:011
1516299150cyclictest0-21swapper/110:39:311
1516299150cyclictest0-21swapper/110:32:071
1516299150cyclictest0-21swapper/110:32:061
1516299150cyclictest0-21swapper/109:50:511
15155991514cyclictest991850irq/53-eth0-rx-09:11:480
15155991514cyclictest991850irq/53-eth0-rx-08:26:110
15155991513cyclictest0-21swapper/009:08:370
1515599150cyclictest0-21swapper/009:48:250
1515599150cyclictest0-21swapper/009:18:130
15050150irq/18-uhci_hcd0-21swapper/011:23:550
15203991413cyclictest991950irq/54-eth0-tx-08:30:213
15200991413cyclictest0-21swapper/909:00:1111
15200991413cyclictest0-21swapper/908:30:4311
1520099140cyclictest0-21swapper/912:06:4811
1519899144cyclictest0-21swapper/711:15:029
1519899144cyclictest0-21swapper/707:20:019
1519899143cyclictest0-21swapper/712:40:019
1519899143cyclictest0-21swapper/707:45:019
1519799146cyclictest12850irq/42-ahci09:55:008
15197991412cyclictest16158-21python11:05:248
15196991412cyclictest9726-21ssh11:28:517
1519699140cyclictest0-21swapper/511:05:207
1518499143cyclictest0-21swapper/311:15:165
1518499141cyclictest0-21swapper/310:50:595
1518499140cyclictest0-21swapper/311:43:225
1518499140cyclictest0-21swapper/310:42:005
1518499140cyclictest0-21swapper/310:41:595
1516299146cyclictest0-21swapper/110:12:161
1516299140cyclictest0-21swapper/112:33:321
1516299140cyclictest0-21swapper/112:03:051
1516299140cyclictest0-21swapper/111:47:101
1516299140cyclictest0-21swapper/111:30:251
1516299140cyclictest0-21swapper/111:15:061
1516299140cyclictest0-21swapper/111:13:571
1516299140cyclictest0-21swapper/111:05:371
1516299140cyclictest0-21swapper/111:01:391
1516299140cyclictest0-21swapper/110:29:381
1516299140cyclictest0-21swapper/110:29:371
15155991413cyclictest991850irq/53-eth0-rx-10:22:060
15155991413cyclictest2279-21nscd08:20:010
1515599140cyclictest0-21swapper/010:07:030
14050140irq/18-ehci_hcd0-21swapper/009:40:220
14050140irq/18-ehci_hcd0-21swapper/008:00:230
14050140irq/18-ehci_hcd0-21swapper/007:33:080
14050140irq/18-ehci_hcd0-21swapper/007:13:040
991950130irq/54-eth0-tx-0-21swapper/010:17:080
991950130irq/54-eth0-tx-0-21swapper/010:17:080
1520399134cyclictest0-21swapper/1111:35:023
1520399134cyclictest0-21swapper/1107:35:013
15203991312cyclictest991850irq/53-eth0-rx-10:20:333
15200991312cyclictest9579-21chrt07:44:5611
15200991312cyclictest0-21swapper/910:41:2011
15200991312cyclictest0-21swapper/910:41:1911
15200991312cyclictest0-21swapper/909:24:4411
15200991312cyclictest0-21swapper/908:25:1311
15200991312cyclictest0-21swapper/907:49:3711
1520099131cyclictest0-21swapper/908:10:1011
1519999133cyclictest0-21swapper/807:15:0510
1519899134cyclictest0-21swapper/709:55:019
1519899133cyclictest0-21swapper/709:55:019
1519799134cyclictest0-21swapper/609:35:018
1519799134cyclictest0-21swapper/608:50:018
1519799132cyclictest0-21swapper/608:12:378
15197991312cyclictest27789-21qemu-kvm08:47:168
15197991312cyclictest12307-21qemu-kvm10:45:038
15196991312cyclictest26315-21ssh09:52:007
1519199133cyclictest0-21swapper/407:50:156
1519199130cyclictest0-21swapper/411:00:466
1519199130cyclictest0-21swapper/410:27:366
1519199130cyclictest0-21swapper/410:27:366
1519199130cyclictest0-21swapper/409:35:216
1518499135cyclictest0-21swapper/311:20:185
1518499134cyclictest0-21swapper/310:46:305
1516299136cyclictest0-21swapper/112:10:021
1516299136cyclictest0-21swapper/108:54:041
1516299136cyclictest0-21swapper/107:57:491
1516299136cyclictest0-21swapper/107:29:271
1516299134cyclictest31417-21munin-node11:20:191
1516299131cyclictest0-21swapper/111:35:101
1516299131cyclictest0-21swapper/110:00:201
1516299130cyclictest0-21swapper/112:20:491
1516299130cyclictest0-21swapper/112:19:591
1516299130cyclictest0-21swapper/112:09:411
1516299130cyclictest0-21swapper/110:57:011
1516299130cyclictest0-21swapper/110:51:001
1516299130cyclictest0-21swapper/109:33:021
1516299130cyclictest0-21swapper/108:43:591
1516299130cyclictest0-21swapper/108:19:341
1516299130cyclictest0-21swapper/108:02:151
1516299130cyclictest0-21swapper/107:20:391
1516299130cyclictest0-21swapper/107:20:381
1515599134cyclictest0-21swapper/010:13:470
1515599134cyclictest0-21swapper/007:25:170
15155991312cyclictest991850irq/53-eth0-rx-08:20:120
1515599130cyclictest0-21swapper/012:26:510
1515599130cyclictest0-21swapper/010:36:160
1515599130cyclictest0-21swapper/010:27:400
1515599130cyclictest0-21swapper/010:27:390
15050130irq/18-uhci_hcd0-21swapper/612:14:038
15050130irq/18-uhci_hcd0-21swapper/011:54:000
15050130irq/18-uhci_hcd0-21swapper/007:23:080
15050130irq/18-uhci_hcd0-21swapper/007:23:070
14050130irq/18-ehci_hcd0-21swapper/008:40:220
31120ksoftirqd/00-21swapper/011:38:570
31120ksoftirqd/00-21swapper/009:33:330
1520399124cyclictest0-21swapper/1112:10:003
1520399124cyclictest0-21swapper/1110:45:013
1520399124cyclictest0-21swapper/1110:45:003
1520399124cyclictest0-21swapper/1109:05:013
1520399123cyclictest0-21swapper/1112:10:013
1520399123cyclictest0-21swapper/1110:50:013
1520399123cyclictest0-21swapper/1110:15:013
1520399122cyclictest0-21swapper/1111:29:263
15203991211cyclictest185912sleep1109:19:213
1520399120cyclictest0-21swapper/1110:08:253
1519999120cyclictest0-21swapper/808:25:1910
1519899124cyclictest0-21swapper/711:45:019
1519899124cyclictest0-21swapper/711:00:029
1519899123cyclictest0-21swapper/711:20:029
1519899123cyclictest0-21swapper/711:07:079
1519899123cyclictest0-21swapper/710:45:249
1519899123cyclictest0-21swapper/709:45:019
1519899123cyclictest0-21swapper/709:30:019
1519899123cyclictest0-21swapper/709:00:009
1519899122cyclictest0-21swapper/709:19:269
1519799124cyclictest6940-21qemu-kvm09:09:068
1519799123cyclictest0-21swapper/611:49:598
15197991211cyclictest27790-21qemu-kvm08:25:068
15197991211cyclictest27789-21qemu-kvm08:42:118
1519799121cyclictest0-21swapper/607:35:188
1519199123cyclictest0-21swapper/411:45:176
1519199123cyclictest0-21swapper/411:00:026
1519199120cyclictest0-21swapper/410:05:516
1518499123cyclictest0-21swapper/310:00:175
1518499123cyclictest0-21swapper/307:25:205
1517399121cyclictest0-21swapper/211:32:494
1517399121cyclictest0-21swapper/210:28:004
1517399121cyclictest0-21swapper/210:28:004
1517399121cyclictest0-21swapper/210:06:104
1517399121cyclictest0-21swapper/209:24:474
1516299127cyclictest0-21swapper/108:55:121
1516299126cyclictest0-21swapper/109:20:451
1516299126cyclictest0-21swapper/107:48:391
1516299126cyclictest0-21swapper/107:31:191
1516299125cyclictest0-21swapper/109:38:501
1516299123cyclictest6328-21timerandwakeup09:05:261
1516299122cyclictest5195-21cpuspeed_turbos11:25:101
1516299122cyclictest0-21swapper/107:10:151
1516299121cyclictest0-21swapper/112:35:121
1516299121cyclictest0-21swapper/111:50:251
1516299121cyclictest0-21swapper/110:45:111
1516299121cyclictest0-21swapper/110:15:171
1516299121cyclictest0-21swapper/110:15:171
1516299121cyclictest0-21swapper/109:56:111
1516299121cyclictest0-21swapper/109:10:111
1516299121cyclictest0-21swapper/108:30:131
1516299121cyclictest0-21swapper/108:06:201
1516299120cyclictest0-21swapper/110:06:491
1516299120cyclictest0-21swapper/109:25:131
1516299120cyclictest0-21swapper/109:00:571
1516299120cyclictest0-21swapper/108:49:531
1516299120cyclictest0-21swapper/108:25:281
1516299120cyclictest0-21swapper/107:42:591
15155991211cyclictest12850irq/42-ahci08:09:480
1515599120cyclictest9436-21ssh09:38:330
1515599120cyclictest0-21swapper/010:31:590
1515599120cyclictest0-21swapper/010:31:580
1515599120cyclictest0-21swapper/008:10:220
15050120irq/18-uhci_hcd0-21swapper/010:00:210
14050120irq/18-ehci_hcd0-21swapper/011:08:530
991950110irq/54-eth0-tx-0-21swapper/012:17:350
991950110irq/54-eth0-tx-0-21swapper/011:55:310
8999110migration/118657-21munin-node07:40:223
691110ksoftirqd/80-21swapper/811:53:1910
621110ksoftirqd/70-21swapper/710:41:139
621110ksoftirqd/70-21swapper/710:41:129
4599110watchdog/50-21swapper/507:30:477
411110ksoftirqd/40-21swapper/411:53:206
341110ksoftirqd/30-21swapper/311:53:195
31110ksoftirqd/00-21swapper/010:41:130
31110ksoftirqd/00-21swapper/010:41:120
31110ksoftirqd/00-21swapper/007:43:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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