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2026-04-04 - 11:16
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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 all highest latencies:
System rack0slot2.osadl.org (updated Sat Apr 04, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8582625948,8sleep50-21swapper/519:02:015
8579825848,7sleep60-21swapper/619:01:386
86160994944,4cyclictest607710-21latency_hist23:02:287
86156994644,2cyclictest542402-21kworker/u16:0+events_unbound22:47:316
86156994442,2cyclictest353969-21kworker/u16:3+events_unbound22:38:516
86156994139,2cyclictest3581050-21kworker/u16:2+events_unbound23:54:526
8558824113,8sleep40-21swapper/418:58:394
86156994038,2cyclictest559573-21kworker/u16:1+events_unbound22:55:516
86156994038,2cyclictest439360-21kworker/u16:4+events_unbound22:07:276
86156994038,2cyclictest3581050-21kworker/u16:2+flush-8:021:28:206
86156994038,2cyclictest3581050-21kworker/u16:2+events_unbound22:08:126
86152994038,2cyclictest309340-21kworker/u16:1+events_unbound21:37:525
86150994038,2cyclictest728196-21kworker/u16:1+events_unbound00:27:584
86150994038,2cyclictest728196-21kworker/u16:1+events_unbound00:27:584
86156993937,2cyclictest593479-21kworker/u16:4+events_unbound23:17:116
86156993937,2cyclictest439360-21kworker/u16:4+events_unbound22:25:206
86156993937,2cyclictest439360-21kworker/u16:4+events_unbound22:13:326
86156993937,2cyclictest3581050-21kworker/u16:2+events_unbound00:06:286
86156993937,2cyclictest309340-21kworker/u16:1+events_unbound21:15:166
86156993937,2cyclictest147171-21kworker/u16:1+flush-8:019:47:246
767412393,31sleep70-21swapper/718:57:387
86156993837,1cyclictest331292-21kworker/u16:0+events_unbound21:11:556
86156993837,1cyclictest331292-21kworker/u16:0+events_unbound21:11:556
86156993836,2cyclictest728196-21kworker/u16:1+events_unbound00:23:596
86156993836,2cyclictest542402-21kworker/u16:0+flush-8:022:44:356
86156993836,2cyclictest353969-21kworker/u16:3+events_unbound22:37:276
86156993836,2cyclictest353969-21kworker/u16:3+events_unbound21:23:446
86156993735,2cyclictest728196-21kworker/u16:1+events_unbound00:28:196
86156993735,2cyclictest728196-21kworker/u16:1+events_unbound00:28:196
86156993735,2cyclictest593479-21kworker/u16:4+events_unbound23:19:436
86156993735,2cyclictest403774-21kworker/u16:0+events_unbound21:46:156
86156993735,2cyclictest3581050-21kworker/u16:2+events_unbound21:53:366
86156993735,2cyclictest3581050-21kworker/u16:2+events_unbound21:53:366
86156993634,2cyclictest680156-21kworker/u16:5+events_unbound00:14:116
86156993634,2cyclictest593479-21kworker/u16:4+events_unbound23:31:356
86156993634,2cyclictest559573-21kworker/u16:1+events_unbound23:03:366
86156993634,2cyclictest3581050-21kworker/u16:2+events_unbound22:02:286
86156993534,1cyclictest3581050-21kworker/u16:2+events_unbound21:40:076
86156993533,2cyclictest728196-21kworker/u16:1+events_unbound00:21:486
86156993533,2cyclictest559573-21kworker/u16:1+events_unbound23:38:396
86156993533,2cyclictest403774-21kworker/u16:0+flush-8:021:48:166
86156993533,2cyclictest403774-21kworker/u16:0+flush-8:021:48:166
86156993533,2cyclictest3581050-21kworker/u16:2+events_unbound23:09:366
86156993533,2cyclictest3581050-21kworker/u16:2+events_unbound23:09:366
86150993533,2cyclictest739821-21kworker/u16:3+flush-8:000:12:594
86156993432,2cyclictest680156-21kworker/u16:5+events_unbound00:10:036
86156993432,2cyclictest559573-21kworker/u16:1+events_unbound23:26:516
86150993432,2cyclictest3581050-21kworker/u16:2+flush-8:023:32:244
86150993431,2cyclictest309340-21kworker/u16:1+flush-8:021:37:474
86160993332,0cyclictest0-21swapper/723:47:527
86160993332,0cyclictest0-21swapper/723:47:527
86156993331,2cyclictest728196-21kworker/u16:1+events_unbound23:58:356
86156993331,2cyclictest715874-21kworker/u16:0+events_unbound23:49:126
86156993331,2cyclictest715874-21kworker/u16:0+events_unbound23:49:126
86156993331,2cyclictest353969-21kworker/u16:3+events_unbound22:27:356
86156993331,2cyclictest353969-21kworker/u16:3+events_unbound22:27:356
86156993331,2cyclictest353969-21kworker/u16:3+events_unbound21:19:076
86156993331,2cyclictest309340-21kworker/u16:1+events_unbound21:36:366
86156993230,2cyclictest680156-21kworker/u16:5+events_unbound23:43:206
86156993230,2cyclictest309340-21kworker/u16:1+events_unbound21:04:356
86156993229,2cyclictest194945-21kworker/u16:3+flush-8:020:17:306
86156993129,2cyclictest559573-21kworker/u16:1+events_unbound23:33:246
86156993129,2cyclictest353969-21kworker/u16:3+events_unbound22:18:006
86156993129,2cyclictest147171-21kworker/u16:1+flush-8:019:57:296
86150993028,2cyclictest3581050-21kworker/u16:2+flush-8:023:22:244
86160992928,0cyclictest0-21swapper/720:47:437
86156992927,2cyclictest593479-21kworker/u16:4+events_unbound22:59:476
86152992927,2cyclictest3581050-21kworker/u16:2+events_unbound21:17:545
86150992927,2cyclictest593479-21kworker/u16:4+flush-8:023:02:474
86150992925,3cyclictest680156-21kworker/u16:5+events_unbound23:32:474
86152992825,2cyclictest439360-21kworker/u16:4+flush-8:022:12:345
86150992826,2cyclictest542402-21kworker/u16:0+flush-8:022:48:084
86150992826,2cyclictest3581050-21kworker/u16:2+flush-8:023:47:244
86152992724,2cyclictest331292-21kworker/u16:0+events_unbound21:07:435
86152992724,2cyclictest331292-21kworker/u16:0+events_unbound21:07:435
86150992725,2cyclictest3581050-21kworker/u16:2+flush-8:021:27:494
86150992724,2cyclictest439360-21kworker/u16:4+flush-8:022:27:334
86150992724,2cyclictest439360-21kworker/u16:4+flush-8:022:27:334
7379142270,1chrt737913-21ssh23:53:547
5473472270,1chrt547348-21ssh22:37:177
86152992623,2cyclictest3581050-21kworker/u16:2+flush-8:023:37:295
3308522260,1chrt330850-21ssh21:06:457
86152992523,2cyclictest86352-21kworker/u16:3+flush-8:019:07:535
86152992522,2cyclictest353969-21kworker/u16:3+flush-8:022:12:295
86152992422,2cyclictest3581050-21kworker/u16:2+events_unbound21:02:555
86152992422,2cyclictest147171-21kworker/u16:1+events_unbound19:37:435
86150992422,2cyclictest353969-21kworker/u16:3+flush-8:021:52:474
86150992422,2cyclictest353969-21kworker/u16:3+flush-8:021:52:474
86156992320,2cyclictest3581050-21kworker/u16:2+flush-8:020:12:406
86152992321,2cyclictest593479-21kworker/u16:4+flush-8:023:27:585
86152992320,3cyclictest353969-21kworker/u16:3+flush-8:021:57:545
86152992320,2cyclictest439360-21kworker/u16:4+events_unbound22:22:455
86150992321,2cyclictest542402-21kworker/u16:0+events_unbound22:37:564
86160992220,1cyclictest523383-21munin-run22:27:287
86156992219,2cyclictest3581050-21kworker/u16:2+events_unbound20:32:366
86152992220,2cyclictest3581050-21kworker/u16:2+events_unbound20:32:525
86152992219,2cyclictest811985-21kworker/u16:2+flush-8:000:27:335
86152992219,2cyclictest811985-21kworker/u16:2+flush-8:000:27:335
86150992220,2cyclictest166585-21kworker/u16:0+events_unbound19:47:514
86156992119,2cyclictest3581050-21kworker/u16:2+flush-8:020:27:396
86156992119,2cyclictest3581050-21kworker/u16:2+flush-8:020:27:396
86156992119,2cyclictest109086-21kworker/u16:0+flush-8:019:12:556
86152992118,3cyclictest3581050-21kworker/u16:2+flush-8:023:22:555
86150992119,2cyclictest3581050-21kworker/u16:2+flush-8:022:08:054
86150992017,2cyclictest147171-21kworker/u16:1+flush-8:019:42:554
4620642200,1chrt462065-21ssh21:59:507
86160991918,0cyclictest0-21swapper/721:07:567
86160991918,0cyclictest0-21swapper/721:07:567
86156991917,2cyclictest3581050-21kworker/u16:2+events_unbound20:03:436
86156991912,7cyclictest0-21swapper/620:39:276
86150991917,2cyclictest728196-21kworker/u16:1+events_unbound00:17:464
86160991812,5cyclictest650-21systemd-journal22:22:297
86160991812,5cyclictest147132-21latency_hist19:32:297
86156991816,2cyclictest3581050-21kworker/u16:2+events_unbound19:23:396
86156991816,2cyclictest109086-21kworker/u16:0+events_unbound19:27:536
86150991816,2cyclictest739821-21kworker/u16:3+flush-8:000:02:284
86150991816,2cyclictest618029-21kworker/u16:0+events_unbound23:07:524
86150991816,2cyclictest618029-21kworker/u16:0+events_unbound23:07:524
86150991815,2cyclictest715874-21kworker/u16:0+flush-8:000:22:464
86150991815,2cyclictest439360-21kworker/u16:4+events_unbound22:22:434
86150991815,2cyclictest309340-21kworker/u16:1+flush-8:021:02:554
86150991815,2cyclictest109086-21kworker/u16:0+events_unbound19:17:434
8616099178,8cyclictest6184-21gvfs-afc-volume22:37:487
8616099178,8cyclictest0-21swapper/721:47:457
8616099178,8cyclictest0-21swapper/721:47:457
8616099177,9cyclictest0-21swapper/722:02:537
86160991712,4cyclictest655558-21latency_hist23:22:297
8616099170,1cyclictest0-21swapper/723:12:517
86152991715,2cyclictest309340-21kworker/u16:1+flush-8:021:37:245
86152991715,2cyclictest109086-21kworker/u16:0+flush-8:019:12:455
86152991713,3cyclictest3581050-21kworker/u16:2+events_unbound21:52:445
86152991713,3cyclictest3581050-21kworker/u16:2+events_unbound21:52:445
86150991715,2cyclictest542402-21kworker/u16:0+flush-8:022:42:534
86150991714,2cyclictest593479-21kworker/u16:4+flush-8:023:22:454
8616099168,7cyclictest0-21swapper/723:42:487
8616099168,7cyclictest0-21swapper/700:02:397
8616099167,8cyclictest0-21swapper/723:57:537
8616099167,8cyclictest0-21swapper/722:42:497
8616099166,9cyclictest0-21swapper/721:12:547
86160991614,1cyclictest0-21swapper/723:27:497
86160991613,2cyclictest1267-21snmpd20:06:247
86160991613,2cyclictest0-21swapper/700:27:287
86160991613,2cyclictest0-21swapper/700:27:287
86160991612,3cyclictest1267-21snmpd19:47:297
8616099160,14cyclictest650-21systemd-journal22:47:297
8616099160,14cyclictest0-21swapper/719:22:527
86156991614,2cyclictest147171-21kworker/u16:1+events_unbound20:11:596
8615699160,2cyclictest119724-21iostat19:17:436
86152991614,2cyclictest3581050-21kworker/u16:2+flush-8:022:43:445
86152991613,2cyclictest739821-21kworker/u16:3+flush-8:000:12:465
86150991613,2cyclictest593479-21kworker/u16:4+events_unbound22:57:444
86150991612,3cyclictest368602-21ip_192.168.114.21:22:454
8616099158,6cyclictest0-21swapper/721:52:537
8616099158,6cyclictest0-21swapper/721:52:537
8616099157,7cyclictest0-21swapper/721:37:477
8616099155,9cyclictest0-21swapper/723:40:157
86156991512,2cyclictest223767-21kworker/u16:0+events_unbound20:52:366
86152991513,2cyclictest715874-21kworker/u16:0+events_unbound00:22:435
86152991513,2cyclictest3581050-21kworker/u16:2+events_unbound21:27:435
86152991513,2cyclictest3581050-21kworker/u16:2+events_unbound20:52:445
86152991513,1cyclictest0-21swapper/523:42:415
86150991513,2cyclictest739821-21kworker/u16:3+flush-8:000:07:024
86150991513,2cyclictest3581050-21kworker/u16:2+events_unbound20:57:414
86150991513,2cyclictest109086-21kworker/u16:0+flush-8:019:27:574
8616099147,6cyclictest6045-21gmain20:27:477
8616099147,6cyclictest6045-21gmain20:27:477
8616099147,6cyclictest0-21swapper/721:32:437
8616099147,6cyclictest0-21swapper/721:22:517
8616099147,6cyclictest0-21swapper/700:12:537
8616099146,7cyclictest0-21swapper/723:22:517
8616099146,7cyclictest0-21swapper/722:12:417
8616099146,7cyclictest0-21swapper/721:42:427
8616099145,8cyclictest0-21swapper/700:17:447
86160991413,0cyclictest0-21swapper/719:47:437
86160991412,1cyclictest0-21swapper/722:52:517
86160991411,2cyclictest0-21swapper/720:37:297
8616099140,13cyclictest0-21swapper/720:12:537
86152991413,1cyclictest0-21swapper/520:57:475
86152991412,2cyclictest618029-21kworker/u16:0+events_unbound23:07:565
86152991412,2cyclictest618029-21kworker/u16:0+events_unbound23:07:565
86152991412,2cyclictest439360-21kworker/u16:4+events_unbound22:27:445
86152991412,2cyclictest439360-21kworker/u16:4+events_unbound22:27:445
86152991412,2cyclictest3581050-21kworker/u16:2+events_unbound20:42:425
86152991412,2cyclictest223767-21kworker/u16:0+events_unbound20:12:525
86152991411,2cyclictest3581050-21kworker/u16:2+flush-8:000:02:495
86152991411,2cyclictest3581050-21kworker/u16:2+events_unbound20:22:425
86152991411,2cyclictest353969-21kworker/u16:3+events_unbound22:17:415
8615299140,1cyclictest0-21swapper/523:55:185
8615299140,1cyclictest0-21swapper/521:43:305
86150991413,1cyclictest0-21swapper/423:53:004
86150991413,1cyclictest0-21swapper/421:42:374
86150991413,1cyclictest0-21swapper/421:10:084
86150991413,1cyclictest0-21swapper/421:10:084
86150991412,2cyclictest403774-21kworker/u16:0+events_unbound21:47:584
86150991412,2cyclictest403774-21kworker/u16:0+events_unbound21:47:584
86150991412,2cyclictest353969-21kworker/u16:3+flush-8:021:32:594
8615099140,14cyclictest0-21swapper/422:06:254
8615099140,13cyclictest0-21swapper/400:07:304
8616099139,3cyclictest1267-21snmpd22:28:287
8616099139,3cyclictest1267-21snmpd22:28:287
8616099137,5cyclictest281879-21fschecks_count20:42:427
8616099136,6cyclictest0-21swapper/721:17:507
8616099135,7cyclictest0-21swapper/723:36:317
8616099135,7cyclictest0-21swapper/723:07:407
8616099135,7cyclictest0-21swapper/723:07:407
8616099135,7cyclictest0-21swapper/723:02:417
8616099135,7cyclictest0-21swapper/722:07:497
8616099135,7cyclictest0-21swapper/700:25:417
8616099135,7cyclictest0-21swapper/700:07:467
8616099134,8cyclictest0-21swapper/721:27:427
86160991310,2cyclictest1267-21snmpd20:00:477
86156991312,1cyclictest0-21swapper/620:43:296
86156991310,2cyclictest194945-21kworker/u16:3+flush-8:020:47:556
8615699130,13cyclictest0-21swapper/619:37:546
8615699130,13cyclictest0-21swapper/619:35:426
86152991312,1cyclictest0-21swapper/522:07:285
86152991311,2cyclictest559573-21kworker/u16:1+events_unbound23:37:525
86152991311,2cyclictest403774-21kworker/u16:0+flush-8:021:47:555
86152991311,2cyclictest403774-21kworker/u16:0+flush-8:021:47:555
86152991310,2cyclictest3581050-21kworker/u16:2+flush-8:022:47:445
8615299130,13cyclictest0-21swapper/522:58:045
8615299130,13cyclictest0-21swapper/500:07:455
8615299130,0cyclictest0-21swapper/523:48:595
8615299130,0cyclictest0-21swapper/523:48:595
8615099139,3cyclictest238220-21kthreadcore20:17:484
86150991312,1cyclictest0-21swapper/422:21:244
86150991312,1cyclictest0-21swapper/422:00:544
86150991311,2cyclictest559573-21kworker/u16:1+events_unbound23:37:424
86150991311,2cyclictest3581050-21kworker/u16:2+events_unbound20:07:534
8615099130,13cyclictest0-21swapper/419:57:544
8616099128,3cyclictest243092-21/usr/sbin/munin20:22:537
8616099128,3cyclictest1267-21snmpd20:54:077
8616099128,3cyclictest1267-21snmpd20:08:517
8616099128,3cyclictest1267-21snmpd19:55:027
8616099128,3cyclictest1267-21snmpd19:21:387
8616099128,3cyclictest1267-21snmpd19:15:597
8616099126,5cyclictest6184-21gvfs-afc-volume19:07:527
8616099121,2cyclictest0-21swapper/719:37:437
86160991211,0cyclictest0-21swapper/720:57:377
8615699129,2cyclictest86352-21kworker/u16:3+events_unbound19:07:316
8615699128,3cyclictest243867-21cat20:22:446
86156991210,2cyclictest3581050-21kworker/u16:2+events_unbound19:57:476
86156991210,2cyclictest3581050-21kworker/u16:2+events_unbound19:03:296
86156991210,2cyclictest166585-21kworker/u16:0+events_unbound19:51:596
86152991211,1cyclictest0-21swapper/522:53:585
86152991211,1cyclictest0-21swapper/521:27:065
86152991211,1cyclictest0-21swapper/519:42:545
8615299120,1cyclictest0-21swapper/520:31:565
8615299120,1cyclictest0-21swapper/520:31:565
8615299120,11cyclictest0-21swapper/519:47:375
86150991211,1cyclictest0-21swapper/423:50:574
86150991211,1cyclictest0-21swapper/423:50:574
86150991211,1cyclictest0-21swapper/421:19:074
86150991210,2cyclictest559573-21kworker/u16:1+flush-8:023:17:284
8615099120,12cyclictest0-21swapper/421:17:234
8615099120,12cyclictest0-21swapper/420:25:504
8616099118,2cyclictest0-21swapper/720:32:567
8616099117,3cyclictest6184-21gvfs-afc-volume19:32:427
8616099110,2cyclictest94611-21ntpq19:02:537
8615699119,2cyclictest309340-21kworker/u16:1+events_unbound20:57:586
8615299119,2cyclictest3581050-21kworker/u16:2+flush-8:019:17:555
86152991110,1cyclictest0-21swapper/523:18:245
86152991110,1cyclictest0-21swapper/522:36:195
86152991110,1cyclictest0-21swapper/519:04:355
86152991110,1cyclictest0-21swapper/500:22:155
8615299110,11cyclictest0-21swapper/519:29:115
8615299110,0cyclictest0-21swapper/519:22:335
8615099119,2cyclictest3581050-21kworker/u16:2+flush-8:022:32:444
86150991110,1cyclictest0-21swapper/420:35:184
86150991110,1cyclictest0-21swapper/419:38:424
86150991110,1cyclictest0-21swapper/419:36:304
86150991110,1cyclictest0-21swapper/419:02:554
8616099108,1cyclictest0-21swapper/720:17:537
8615299109,1cyclictest0-21swapper/520:48:195
8615299109,1cyclictest0-21swapper/520:10:015
8615099109,1cyclictest0-21swapper/420:06:174
861529998,1cyclictest0-21swapper/522:38:125
861529997,2cyclictest593479-21kworker/u16:4+events_unbound23:02:435
861509998,1cyclictest0-21swapper/420:55:294
861509998,1cyclictest0-21swapper/420:15:544
861509998,1cyclictest0-21swapper/419:10:384
861509992,4cyclictest114520-21grep19:12:494
861529986,1cyclictest0-21swapper/520:17:495
861529986,1cyclictest0-21swapper/519:32:435
861529984,3cyclictest352647-21unixbench-2d21:12:575
861529983,4cyclictest188976-21tr19:52:475
861529980,2cyclictest0-21swapper/523:12:425
861509987,1cyclictest0-21swapper/419:52:344
861509986,1cyclictest0-21swapper/422:12:474
861509985,3cyclictest3581050-21kworker/u16:2+flush-8:020:42:444
861509983,4cyclictest587605-21cut22:52:474
861509983,4cyclictest291630-21cat20:47:434
861509983,4cyclictest274491-21cut20:37:464
861509983,4cyclictest252720-21grep20:27:414
861509983,4cyclictest252720-21grep20:27:414
861529975,1cyclictest0-21swapper/520:02:455
861529974,2cyclictest742116-21kthreadcore23:57:465
861529973,3cyclictest271746-21cpu20:37:405
861529973,3cyclictest195734-21expr19:57:435
861509972,4cyclictest132621-21cut19:22:464
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