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2026-04-19 - 01:14
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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 Sat Apr 18, 2026 12:46:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9918501140irq/53-eth0-rx-0-21swapper/307:08:245
128501140irq/42-ahci0-21swapper/207:09:084
11023210893sleep10-21swapper/107:06:511
9918501000irq/53-eth0-rx-0-21swapper/707:09:379
991850940irq/53-eth0-rx-0-21swapper/807:08:4810
991850930irq/53-eth0-rx-0-21swapper/1007:05:322
991850900irq/53-eth0-rx-0-21swapper/507:05:427
991850870irq/53-eth0-rx-0-21swapper/1107:06:223
1099827869sleep60-21swapper/607:06:328
991850680irq/53-eth0-rx-0-21swapper/407:06:026
1103726553sleep00-21swapper/007:07:020
1125326158sleep90-21swapper/907:09:1111
11466993617cyclictest0-21swapper/1107:10:333
11466993534cyclictest0-21swapper/1107:16:443
11423993214cyclictest0-21swapper/007:10:300
11423993124cyclictest0-21swapper/008:20:460
11423992827cyclictest0-21swapper/009:17:120
11466992511cyclictest0-21swapper/1110:30:143
11466992220cyclictest0-21swapper/1107:24:063
1142399220cyclictest0-21swapper/007:25:320
1142399220cyclictest0-21swapper/007:20:450
1142399220cyclictest0-21swapper/007:15:070
11466992120cyclictest0-21swapper/1108:24:363
1146699210cyclictest0-21swapper/1107:30:183
11423992117cyclictest991850irq/53-eth0-rx-10:26:030
1146599203cyclictest991850irq/53-eth0-rx-12:28:082
11454992013cyclictest11586-21qemu-kvm10:30:008
1146699194cyclictest0-21swapper/1110:18:323
1146699190cyclictest0-21swapper/1109:08:183
1146699190cyclictest0-21swapper/1107:26:033
1146599192cyclictest991850irq/53-eth0-rx-11:30:272
1146599192cyclictest991850irq/53-eth0-rx-11:01:422
1146599192cyclictest991850irq/53-eth0-rx-10:21:562
1146599192cyclictest991850irq/53-eth0-rx-09:52:222
1146599192cyclictest991850irq/53-eth0-rx-09:52:212
1146599192cyclictest991850irq/53-eth0-rx-09:40:502
1146599192cyclictest991850irq/53-eth0-rx-09:36:272
1146599192cyclictest991850irq/53-eth0-rx-09:36:272
1146599192cyclictest991850irq/53-eth0-rx-09:16:522
11465991817cyclictest811rcuc/1008:18:432
11465991817cyclictest31668-1kworker/10:0H10:13:112
11465991817cyclictest0-21swapper/1012:06:452
11465991817cyclictest0-21swapper/1011:28:242
11465991817cyclictest0-21swapper/1009:10:232
1146599181cyclictest991850irq/53-eth0-rx-12:22:152
1146599181cyclictest991850irq/53-eth0-rx-12:18:072
1146599181cyclictest991850irq/53-eth0-rx-11:58:452
1146599181cyclictest991850irq/53-eth0-rx-11:51:002
1146599181cyclictest991850irq/53-eth0-rx-11:49:572
1146599181cyclictest991850irq/53-eth0-rx-11:36:462
1146599181cyclictest991850irq/53-eth0-rx-11:14:052
1146599181cyclictest991850irq/53-eth0-rx-10:56:082
1146599181cyclictest991850irq/53-eth0-rx-10:50:102
1146599181cyclictest991850irq/53-eth0-rx-10:46:212
1146599181cyclictest991850irq/53-eth0-rx-10:43:022
1146599181cyclictest991850irq/53-eth0-rx-10:37:412
1146599181cyclictest991850irq/53-eth0-rx-10:26:412
1146599181cyclictest991850irq/53-eth0-rx-10:09:572
1146599181cyclictest991850irq/53-eth0-rx-10:03:592
1146599181cyclictest991850irq/53-eth0-rx-09:21:102
1146599181cyclictest831ksoftirqd/1012:10:122
1146599181cyclictest831ksoftirqd/1009:30:192
1146599181cyclictest831ksoftirqd/1009:07:172
1146599181cyclictest831ksoftirqd/1008:22:392
1146599181cyclictest831ksoftirqd/1007:40:142
1146599181cyclictest811rcuc/1008:35:142
1146599181cyclictest306612chrt07:31:382
1146599181cyclictest12850irq/42-ahci11:15:062
1144999182cyclictest0-21swapper/307:50:115
11465991716cyclictest831ksoftirqd/1009:25:152
11465991716cyclictest16349-1kworker/10:2H08:46:122
11465991716cyclictest0-21swapper/1009:45:072
1146599170cyclictest991950irq/54-eth0-tx-08:40:122
1146599170cyclictest991850irq/53-eth0-rx-12:35:172
1146599170cyclictest991850irq/53-eth0-rx-12:30:112
1146599170cyclictest991850irq/53-eth0-rx-12:00:212
1146599170cyclictest991850irq/53-eth0-rx-11:40:122
1146599170cyclictest991850irq/53-eth0-rx-11:05:142
1146599170cyclictest991850irq/53-eth0-rx-10:15:072
1146599170cyclictest991850irq/53-eth0-rx-09:55:132
1146599170cyclictest991850irq/53-eth0-rx-08:57:332
1146599170cyclictest991850irq/53-eth0-rx-08:30:132
1146599170cyclictest991850irq/53-eth0-rx-08:10:332
1146599170cyclictest991850irq/53-eth0-rx-07:45:262
1146599170cyclictest991850irq/53-eth0-rx-07:20:552
1146599170cyclictest991850irq/53-eth0-rx-07:16:162
1146599170cyclictest831ksoftirqd/1011:21:112
1146599170cyclictest831ksoftirqd/1010:30:012
1146599170cyclictest831ksoftirqd/1007:25:232
1146599170cyclictest831ksoftirqd/1007:10:112
1146599170cyclictest316602sleep1009:00:592
1146599170cyclictest246212sleep1008:54:242
1146599170cyclictest12850irq/42-ahci08:25:492
1146599170cyclictest12850irq/42-ahci08:08:272
1146599170cyclictest100192sleep1007:50:042
11454991716cyclictest24037-21qemu-kvm08:27:408
11453991715cyclictest24037-21qemu-kvm08:09:267
1144999172cyclictest0-21swapper/309:22:445
11423991714cyclictest991850irq/53-eth0-rx-10:13:470
991950160irq/54-eth0-tx-0-21swapper/1112:32:483
11466991615cyclictest253252sleep1109:25:273
1146699160cyclictest0-21swapper/1110:30:003
1146599160cyclictest12850irq/42-ahci07:35:222
1145699165cyclictest0-21swapper/809:10:0110
1145599165cyclictest0-21swapper/707:55:019
1145499163cyclictest0-21swapper/609:15:018
11454991615cyclictest24037-21qemu-kvm08:33:228
11454991615cyclictest24037-21qemu-kvm08:08:368
11454991614cyclictest11592-21qemu-kvm10:17:078
1145399160cyclictest11172-21qemu-kvm07:40:147
1145399160cyclictest0-21swapper/507:35:127
1144999163cyclictest0-21swapper/310:45:525
1144999162cyclictest0-21swapper/312:24:255
1144999162cyclictest0-21swapper/308:23:415
1144999160cyclictest0-21swapper/309:39:015
1144999160cyclictest0-21swapper/309:39:015
11444991614cyclictest2308-21snmpd12:39:044
1144499160cyclictest0-21swapper/207:25:294
991950150irq/54-eth0-tx-0-21swapper/911:38:0711
1146699153cyclictest0-21swapper/1109:10:023
1146699150cyclictest0-21swapper/1111:06:493
11465991514cyclictest0-21swapper/1007:59:282
1145699154cyclictest0-21swapper/811:05:0110
1145699154cyclictest0-21swapper/807:45:0110
1145599154cyclictest0-21swapper/710:15:019
11454991514cyclictest24037-21qemu-kvm08:13:388
11454991513cyclictest11592-21qemu-kvm10:33:458
1144999152cyclictest0-21swapper/312:27:455
1144999151cyclictest0-21swapper/311:07:505
1144999151cyclictest0-21swapper/310:09:395
1144999151cyclictest0-21swapper/308:32:285
1144999150cyclictest0-21swapper/311:54:035
1144999150cyclictest0-21swapper/308:40:005
11444991513cyclictest2308-21snmpd11:15:204
11444991513cyclictest2308-21snmpd09:30:174
11444991513cyclictest2308-21snmpd08:29:474
11423991514cyclictest264962sleep009:27:290
991950140irq/54-eth0-tx-0-21swapper/011:12:420
31140ksoftirqd/00-21swapper/010:05:210
31140ksoftirqd/00-21swapper/007:45:230
14050140irq/18-ehci_hcd0-21swapper/008:10:220
11465991413cyclictest831ksoftirqd/1008:05:002
1145699144cyclictest0-21swapper/807:25:0210
1145699143cyclictest0-21swapper/812:25:0110
1145599144cyclictest0-21swapper/712:35:019
1145599144cyclictest0-21swapper/712:00:019
1145599144cyclictest0-21swapper/710:10:029
1145599144cyclictest0-21swapper/708:30:019
1145599144cyclictest0-21swapper/708:25:019
1145599143cyclictest0-21swapper/711:35:019
1145599143cyclictest0-21swapper/709:35:019
1145599143cyclictest0-21swapper/709:35:019
11453991413cyclictest17157-21ssh09:45:347
1144999145cyclictest0-21swapper/310:05:015
1144999143cyclictest0-21swapper/308:47:075
1144999143cyclictest0-21swapper/307:22:515
1144999142cyclictest0-21swapper/308:11:545
1144999141cyclictest0-21swapper/307:26:575
1144999140cyclictest0-21swapper/311:20:365
1143399140cyclictest201ksoftirqd/107:30:161
991950130irq/54-eth0-tx-0-21swapper/911:40:5611
991950130irq/54-eth0-tx-0-21swapper/909:15:5211
1699130watchdog/00-21swapper/011:54:150
115050130irq/18-i801_smb0-21swapper/009:20:230
1146699134cyclictest0-21swapper/1111:00:023
1146699134cyclictest0-21swapper/1110:55:183
11466991312cyclictest991850irq/53-eth0-rx-08:10:373
11466991312cyclictest0-21swapper/1110:14:413
1145699134cyclictest0-21swapper/812:30:0110
1145699134cyclictest0-21swapper/812:05:0110
1145699134cyclictest0-21swapper/810:05:0110
1145699133cyclictest0-21swapper/808:53:0510
1145599134cyclictest0-21swapper/709:10:019
1145599134cyclictest0-21swapper/709:00:019
1145599134cyclictest0-21swapper/708:20:019
1145599133cyclictest0-21swapper/712:35:019
1145599133cyclictest0-21swapper/709:44:049
1145599133cyclictest0-21swapper/709:21:339
1145599133cyclictest0-21swapper/707:24:179
1145499133cyclictest3388-21sadc12:40:008
11454991311cyclictest11591-21qemu-kvm10:40:118
11454991311cyclictest11591-21qemu-kvm10:35:148
11452991312cyclictest0-21swapper/409:57:116
11452991311cyclictest0-21swapper/412:35:476
11452991311cyclictest0-21swapper/411:59:356
11452991311cyclictest0-21swapper/411:53:066
11452991310cyclictest0-21swapper/409:45:346
1144999133cyclictest0-21swapper/312:37:415
1144999133cyclictest0-21swapper/307:55:315
1144999133cyclictest0-21swapper/307:12:195
1144999132cyclictest0-21swapper/308:29:005
1144999132cyclictest0-21swapper/308:18:215
1144999131cyclictest0-21swapper/312:33:345
1144999131cyclictest0-21swapper/310:31:515
1144999131cyclictest0-21swapper/307:46:125
1144999130cyclictest0-21swapper/308:41:545
11444991311cyclictest2308-21snmpd08:30:174
991950120irq/54-eth0-tx-0-21swapper/911:06:1011
991950120irq/54-eth0-tx-0-21swapper/910:57:3311
991950120irq/54-eth0-tx-0-21swapper/910:19:1711
15050120irq/18-uhci_hcd3342-21diskmemload09:45:320
15050120irq/18-uhci_hcd0-21swapper/010:00:220
14050120irq/18-ehci_hcd0-21swapper/010:15:230
14050120irq/18-ehci_hcd0-21swapper/008:32:510
1146699124cyclictest0-21swapper/1110:50:013
1146699123cyclictest0-21swapper/1111:15:003
1146699123cyclictest0-21swapper/1107:50:013
1145699124cyclictest0-21swapper/812:15:0010
1145699124cyclictest0-21swapper/810:10:0110
1145699124cyclictest0-21swapper/808:31:0510
1145699123cyclictest0-21swapper/810:45:0110
1145699123cyclictest0-21swapper/808:40:0010
1145699123cyclictest0-21swapper/807:13:0510
1145599124cyclictest0-21swapper/709:15:019
1145599123cyclictest0-21swapper/709:35:009
1145599123cyclictest0-21swapper/708:51:029
1145599122cyclictest0-21swapper/707:32:179
1145499125cyclictest0-21swapper/609:45:018
11454991211cyclictest11591-21qemu-kvm10:47:298
11454991210cyclictest29443-21python11:40:228
1145399123cyclictest0-21swapper/508:45:177
1145399122cyclictest0-21swapper/510:35:177
11453991210cyclictest20917-21ssh11:08:157
1145399120cyclictest0-21swapper/510:10:187
1145299129cyclictest0-21swapper/407:52:426
1145299124cyclictest0-21swapper/411:36:036
1145299124cyclictest0-21swapper/407:46:436
1145299124cyclictest0-21swapper/407:28:456
1145299123cyclictest0-21swapper/412:09:406
1145299123cyclictest0-21swapper/409:50:126
1145299123cyclictest0-21swapper/409:50:126
1145299122cyclictest0-21swapper/411:06:526
1145299122cyclictest0-21swapper/409:20:236
11452991210cyclictest3342-21diskmemload11:49:296
11452991210cyclictest3342-21diskmemload09:36:456
11452991210cyclictest3342-21diskmemload09:36:456
11452991210cyclictest0-21swapper/412:30:276
11452991210cyclictest0-21swapper/412:01:086
11452991210cyclictest0-21swapper/411:30:476
11452991210cyclictest0-21swapper/411:26:006
11452991210cyclictest0-21swapper/411:20:186
11452991210cyclictest0-21swapper/411:03:166
11452991210cyclictest0-21swapper/410:49:456
11452991210cyclictest0-21swapper/410:06:346
11452991210cyclictest0-21swapper/410:00:026
11452991210cyclictest0-21swapper/409:16:286
11452991210cyclictest0-21swapper/408:38:346
11452991210cyclictest0-21swapper/407:24:576
1145299120cyclictest0-21swapper/410:16:206
1145299120cyclictest0-21swapper/407:15:266
1145299120cyclictest0-21swapper/407:10:146
1144999123cyclictest0-21swapper/312:18:545
1144999123cyclictest0-21swapper/312:02:215
1144999123cyclictest0-21swapper/311:47:425
1144999123cyclictest0-21swapper/311:36:405
1144999123cyclictest0-21swapper/311:29:295
1144999123cyclictest0-21swapper/311:10:465
1144999123cyclictest0-21swapper/310:40:515
1144999123cyclictest0-21swapper/310:29:565
1144999123cyclictest0-21swapper/310:21:385
1144999123cyclictest0-21swapper/310:11:335
1144999123cyclictest0-21swapper/309:53:375
1144999123cyclictest0-21swapper/309:53:365
1144999123cyclictest0-21swapper/309:44:295
1144999123cyclictest0-21swapper/309:33:305
1144999123cyclictest0-21swapper/309:02:145
1144999123cyclictest0-21swapper/308:56:005
1144999123cyclictest0-21swapper/308:52:135
1144999123cyclictest0-21swapper/308:07:045
1144999123cyclictest0-21swapper/308:01:375
1144999123cyclictest0-21swapper/307:35:115
1144999123cyclictest0-21swapper/307:33:195
1144999122cyclictest0-21swapper/311:58:275
1144999122cyclictest0-21swapper/311:00:435
1144999122cyclictest0-21swapper/309:05:425
1144999122cyclictest0-21swapper/307:16:465
1144999120cyclictest0-21swapper/307:42:585
1143399122cyclictest0-21swapper/109:25:151
1143399122cyclictest0-21swapper/107:10:161
1143399120cyclictest0-21swapper/110:25:221
1142399122cyclictest0-21swapper/009:05:160
11423991210cyclictest2304-21nscd09:11:510
991950110irq/54-eth0-tx-0-21swapper/910:20:1411
991950110irq/54-eth0-tx-0-21swapper/909:49:4311
991950110irq/54-eth0-tx-0-21swapper/808:35:1310
991950110irq/54-eth0-tx-0-21swapper/012:25:540
991950110irq/54-eth0-tx-0-21swapper/011:37:220
991850110irq/53-eth0-rx-3191-21qemu-kvm09:12:297
991850110irq/53-eth0-rx-0-21swapper/810:54:4610
991850110irq/53-eth0-rx-0-21swapper/210:31:484
991850110irq/53-eth0-rx-0-21swapper/011:40:590
991850110irq/53-eth0-rx-0-21swapper/011:02:070
901110ksoftirqd/110-21swapper/1110:00:113
761110ksoftirqd/90-21swapper/911:53:0611
7599110migration/925646-21munin-node07:25:1811
621110ksoftirqd/70-21swapper/711:53:069
551110ksoftirqd/60-21swapper/610:00:118
481110ksoftirqd/50-21swapper/510:00:117
31110ksoftirqd/00-21swapper/012:33:360
31110ksoftirqd/00-21swapper/008:02:450
31110ksoftirqd/00-21swapper/007:40:230
201110ksoftirqd/10-21swapper/110:00:111
1699110watchdog/00-21swapper/012:35:060
1699110watchdog/00-21swapper/011:09:100
1699110watchdog/00-21swapper/009:55:020
1699110watchdog/00-21swapper/009:53:260
1699110watchdog/00-21swapper/009:53:260
1699110watchdog/00-21swapper/009:37:020
1699110watchdog/00-21swapper/009:37:020
1699110watchdog/00-21swapper/009:31:020
1699110watchdog/00-21swapper/009:02:340
15050110irq/18-uhci_hcd0-21swapper/008:27:500
14050110irq/18-ehci_hcd0-21swapper/007:32:390
1146699113cyclictest18665-21ssh11:59:423
1146699113cyclictest0-21swapper/1112:15:193
1146699113cyclictest0-21swapper/1112:10:003
1146699113cyclictest0-21swapper/1111:39:223
1146699113cyclictest0-21swapper/1111:20:033
1146699112cyclictest0-21swapper/1108:55:193
1146699112cyclictest0-21swapper/1108:49:173
1146699110cyclictest0-21swapper/1109:35:263
1146699110cyclictest0-21swapper/1109:35:263
1146299119cyclictest991850irq/53-eth0-rx-10:33:3211
1146299119cyclictest991850irq/53-eth0-rx-07:42:4111
1146299119cyclictest741rcuc/911:45:4211
1146299119cyclictest31347-21taskset08:18:1811
1146299119cyclictest27512-21taskset08:10:4311
1146299119cyclictest22444-21ssh12:00:3711
1146299119cyclictest0-21swapper/912:36:5111
1146299119cyclictest0-21swapper/912:20:0111
1146299119cyclictest0-21swapper/912:10:2111
1146299119cyclictest0-21swapper/911:19:0411
1146299119cyclictest0-21swapper/911:11:0211
1146299119cyclictest0-21swapper/910:26:4511
1146299119cyclictest0-21swapper/910:00:1411
1146299119cyclictest0-21swapper/909:56:3911
1146299119cyclictest0-21swapper/909:25:4611
1146299119cyclictest0-21swapper/909:11:2711
1146299119cyclictest0-21swapper/907:58:1211
1146299119cyclictest0-21swapper/907:35:1411
1145699113cyclictest0-21swapper/809:40:0110
1145699113cyclictest0-21swapper/809:40:0110
1145699113cyclictest0-21swapper/809:03:0510
1145699111cyclictest0-21swapper/810:55:2410
1145599113cyclictest0-21swapper/709:25:019
1145599113cyclictest0-21swapper/708:35:179
1145599113cyclictest0-21swapper/708:14:169
1145599112cyclictest0-21swapper/711:12:199
1145599111cyclictest0-21swapper/711:15:019
1145599111cyclictest0-21swapper/710:40:029
1145599111cyclictest0-21swapper/710:21:049
1145599110cyclictest0-21swapper/710:50:149
1145499119cyclictest0-21swapper/609:20:208
1145499112cyclictest0-21swapper/612:05:028
1145399113cyclictest0-21swapper/512:10:007
1145399113cyclictest0-21swapper/511:00:167
1145299119cyclictest0-21swapper/412:28:116
1145299119cyclictest0-21swapper/412:23:096
1145299119cyclictest0-21swapper/412:15:026
1145299119cyclictest0-21swapper/412:12:286
1145299119cyclictest0-21swapper/411:41:046
1145299119cyclictest0-21swapper/411:19:116
1145299119cyclictest0-21swapper/410:22:346
1145299119cyclictest0-21swapper/409:31:176
1145299119cyclictest0-21swapper/409:05:126
1145299119cyclictest0-21swapper/409:02:226
1145299119cyclictest0-21swapper/408:48:256
1145299119cyclictest0-21swapper/408:27:196
1145299119cyclictest0-21swapper/408:00:506
1145299113cyclictest0-21swapper/411:10:436
1145299113cyclictest0-21swapper/410:52:416
1145299112cyclictest0-21swapper/410:25:156
11452991110cyclictest0-21swapper/409:41:306
11452991110cyclictest0-21swapper/407:41:176
1145299111cyclictest0-21swapper/410:56:366
1145299111cyclictest0-21swapper/410:10:166
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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