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2026-03-07 - 17:23
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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 highest latencies:
System rack0slot2.osadl.org (updated Sat Mar 07, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7334012720,1sleep40-21swapper/410:34:404
27693626351,8sleep60-21swapper/607:00:556
27694425848,7sleep50-21swapper/507:01:025
277461995551,3cyclictest979376-21kworker/u16:0+flush-8:012:19:474
277476995248,3cyclictest764645-21sed10:49:437
27688925242,7sleep40-21swapper/407:00:134
277461994947,2cyclictest568856-21kworker/u16:5+flush-8:010:19:554
27747699470,45cyclictest570503-21date09:29:187
27747699430,41cyclictest991355-21latency_hist12:24:187
277461994240,2cyclictest568855-21kworker/u16:3+flush-8:009:29:184
277476993934,4cyclictest606609-21latency_hist09:44:197
277461993835,2cyclictest500769-21kworker/u16:1+events_unbound09:49:314
2762422383,30sleep70-21swapper/706:59:527
277476993631,4cyclictest630700-21latency_hist09:54:187
277461993633,2cyclictest809025-21kworker/u16:3+flush-8:011:44:234
7367402340,1chrt736741-21unixbench_singl10:34:517
277469993432,2cyclictest809025-21kworker/u16:3+flush-8:011:09:595
277461993431,3cyclictest809025-21kworker/u16:3+flush-8:011:34:134
277461993431,2cyclictest631090-21kworker/u16:2+events_unbound10:09:314
277461993431,2cyclictest568856-21kworker/u16:5+events_unbound10:04:324
27747699320,30cyclictest824613-21sed11:14:367
277469993230,2cyclictest568856-21kworker/u16:5+events_unbound10:09:395
277461993230,2cyclictest568855-21kworker/u16:3+flush-8:010:44:544
277469993129,2cyclictest205325-21kworker/u16:0+events_unbound07:14:525
277469993129,2cyclictest205325-21kworker/u16:0+events_unbound07:04:445
277476992929,0cyclictest0-21swapper/711:46:017
277476992925,2cyclictest376577-21sed07:54:187
277461992927,2cyclictest631090-21kworker/u16:2+flush-8:011:04:464
8445362280,1sleep576-21ksoftirqd/511:19:535
8445362280,1sleep576-21ksoftirqd/511:19:535
277469992826,2cyclictest500769-21kworker/u16:1+events_unbound09:09:355
277469992826,2cyclictest462204-21kworker/u16:3+events_unbound08:49:455
277461992825,2cyclictest979376-21kworker/u16:0+flush-8:012:29:134
277476992725,1cyclictest610179-21ssh09:44:387
277476992725,1cyclictest510147-21diskmemload09:29:397
27747699271,24cyclictest481487-21grep08:49:187
27747699270,25cyclictest347817-21latency_hist07:39:197
5704272260,0sleep60-21swapper/609:29:186
277469992624,2cyclictest319601-21kworker/u16:2+flush-8:007:24:345
277469992624,2cyclictest277672-21kworker/u16:3+flush-8:007:09:235
277469992624,2cyclictest277672-21kworker/u16:3+flush-8:007:09:235
277469992623,2cyclictest386029-21kworker/u16:3+events_unbound08:19:475
277469992623,2cyclictest3757659-21kworker/u16:1+events_unbound08:24:385
277461992523,2cyclictest386029-21kworker/u16:3+flush-8:008:04:184
8503092240,1chrt850312-21kthreadcore11:24:367
277469992422,2cyclictest773590-21kworker/u16:1+events_unbound11:54:395
277469992422,2cyclictest568855-21kworker/u16:3+events_unbound09:39:315
277469992422,2cyclictest319601-21kworker/u16:2+flush-8:007:54:465
277469992422,2cyclictest319601-21kworker/u16:2+flush-8:007:54:465
277469992422,2cyclictest277672-21kworker/u16:3+flush-8:007:29:475
277476992321,1cyclictest534673-21ssh09:14:307
277469992321,2cyclictest462204-21kworker/u16:3+events_unbound08:39:415
277469992321,2cyclictest3757659-21kworker/u16:1+flush-8:008:09:365
6880552220,1chrt688054-21ntpq10:14:477
277476992217,4cyclictest667018-21latency_hist10:09:187
277469992220,2cyclictest706709-21kworker/u16:0+events_unbound11:06:195
277469992220,2cyclictest568856-21kworker/u16:5+events_unbound10:14:405
277469992220,2cyclictest500769-21kworker/u16:1+events_unbound09:59:315
277461992220,2cyclictest3757659-21kworker/u16:1+flush-8:008:09:414
277476992113,7cyclictest0-21swapper/711:59:187
277461992120,1cyclictest433937-21kworker/u16:0+events_unbound08:29:334
27747699200,19cyclictest847222-21latency_hist11:24:187
27747699200,19cyclictest847222-21latency_hist11:24:187
27747199200,2cyclictest675234-21grep10:09:386
277469992018,2cyclictest706709-21kworker/u16:0+flush-8:011:24:595
277469992018,2cyclictest631090-21kworker/u16:2+events_unbound10:26:435
277469992018,2cyclictest568856-21kworker/u16:5+events_unbound10:09:055
277469992018,2cyclictest568855-21kworker/u16:3+events_unbound10:48:485
277469992018,2cyclictest490794-21kworker/u16:0+flush-8:008:59:475
277461992017,2cyclictest500769-21kworker/u16:1+flush-8:009:34:404
277461992016,3cyclictest809025-21kworker/u16:3+flush-8:011:55:544
7134242190,1sleep7713423-21ssh10:26:097
277476991915,3cyclictest1267-21snmpd08:58:097
27747699190,18cyclictest1003502-21cat12:29:187
27747199190,19cyclictest0-21swapper/609:09:446
277469991917,2cyclictest895248-21kworker/u16:4+events_unbound11:53:155
277469991917,2cyclictest500769-21kworker/u16:1+events_unbound09:34:465
277469991917,2cyclictest3757659-21kworker/u16:1+flush-8:007:34:475
277469991914,4cyclictest568759-21packagekit-dnf-09:26:205
277476991815,2cyclictest1267-21snmpd09:12:547
277476991811,6cyclictest0-21swapper/712:29:447
277476991811,6cyclictest0-21swapper/712:04:357
277469991816,2cyclictest931342-21kworker/u16:0+events_unbound12:05:165
277469991816,2cyclictest895248-21kworker/u16:4+events_unbound11:59:425
277469991816,2cyclictest706709-21kworker/u16:0+events_unbound11:39:425
277469991816,2cyclictest568855-21kworker/u16:3+events_unbound09:45:235
277469991815,2cyclictest500769-21kworker/u16:1+flush-8:009:04:295
277469991815,2cyclictest277672-21kworker/u16:3+events_unbound07:19:375
277461991816,2cyclictest568855-21kworker/u16:3+flush-8:010:42:334
277461991816,2cyclictest568855-21kworker/u16:3+flush-8:010:42:334
277461991816,2cyclictest490794-21kworker/u16:0+flush-8:008:59:434
277461991815,2cyclictest568855-21kworker/u16:3+events_unbound09:44:404
277476991715,1cyclictest775626-21sh10:54:247
277476991713,3cyclictest1267-21snmpd09:00:337
27747699170,16cyclictest892232-21sh11:39:487
27747199170,1cyclictest0-21swapper/608:34:346
277469991715,2cyclictest809025-21kworker/u16:3+events_unbound11:35:205
277469991715,2cyclictest706709-21kworker/u16:0+events_unbound10:53:555
277469991715,2cyclictest568856-21kworker/u16:5+flush-8:009:49:405
277469991715,2cyclictest568855-21kworker/u16:3+events_unbound10:31:035
277469991715,2cyclictest522557-21kworker/u16:4+events_unbound09:18:155
277469991715,2cyclictest490794-21kworker/u16:0+events_unbound09:20:325
277469991715,2cyclictest490794-21kworker/u16:0+events_unbound09:20:325
277461991715,2cyclictest522557-21kworker/u16:4+flush-8:009:19:384
277461991715,2cyclictest522557-21kworker/u16:4+flush-8:009:19:384
277476991611,4cyclictest919244-21latency_hist11:54:177
277476991611,4cyclictest823187-21latency_hist11:14:187
27747699160,2cyclictest0-21swapper/707:59:427
277471991614,1cyclictest553777-21kthreadcore09:19:406
277471991614,1cyclictest553777-21kthreadcore09:19:406
277469991614,2cyclictest979376-21kworker/u16:0+events_unbound12:21:285
277469991614,2cyclictest895248-21kworker/u16:4+flush-8:011:44:335
277469991614,2cyclictest631090-21kworker/u16:2+events_unbound10:37:105
277469991614,2cyclictest568855-21kworker/u16:3+flush-8:009:54:375
277469991613,2cyclictest319601-21kworker/u16:2+events_unbound07:49:205
277461991614,2cyclictest568856-21kworker/u16:5+events_unbound09:39:434
277476991514,0cyclictest0-21swapper/708:14:407
277476991513,1cyclictest0-21swapper/709:04:447
277476991511,3cyclictest1267-21snmpd08:35:057
27747699150,1cyclictest0-21swapper/709:54:437
27747199156,1cyclictest991rcuop/709:39:376
277471991512,3cyclictest0-21swapper/611:34:376
27747199150,15cyclictest0-21swapper/609:49:566
27747199150,0cyclictest0-21swapper/611:53:046
277469991513,2cyclictest955381-21kworker/u16:5+events_unbound12:30:115
277469991513,2cyclictest809025-21kworker/u16:3+events_unbound11:16:355
277469991513,2cyclictest773590-21kworker/u16:1+flush-8:011:04:185
277469991513,2cyclictest773590-21kworker/u16:1+events_unbound11:33:045
277469991513,2cyclictest3757659-21kworker/u16:1+events_unbound08:44:405
277469991513,2cyclictest319601-21kworker/u16:2+flush-8:008:14:425
277461991513,2cyclictest568855-21kworker/u16:3+flush-8:010:24:534
277461991513,2cyclictest500769-21kworker/u16:1+events_unbound09:54:464
277461991513,2cyclictest433937-21kworker/u16:0+flush-8:008:34:404
277461991513,2cyclictest3757659-21kworker/u16:1+flush-8:007:39:524
277461991512,2cyclictest955381-21kworker/u16:5+flush-8:012:14:344
27747699147,6cyclictest0-21swapper/710:39:437
27747699147,6cyclictest0-21swapper/710:39:437
27747699146,7cyclictest0-21swapper/712:09:507
27747699145,8cyclictest0-21swapper/710:31:327
27747699145,8cyclictest0-21swapper/710:09:367
27747699140,13cyclictest1267-21snmpd09:19:487
27747699140,13cyclictest1267-21snmpd09:19:487
277471991413,1cyclictest0-21swapper/609:48:026
27747199140,1cyclictest0-21swapper/611:20:546
27747199140,1cyclictest0-21swapper/611:20:546
27747199140,14cyclictest0-21swapper/611:44:336
27747199140,14cyclictest0-21swapper/610:50:386
27747199140,14cyclictest0-21swapper/609:59:426
27747199140,14cyclictest0-21swapper/607:44:456
277469991412,2cyclictest991773-21kworker/u16:1+events_unbound12:27:555
277469991412,2cyclictest955381-21kworker/u16:5+flush-8:012:14:575
277469991412,2cyclictest631090-21kworker/u16:2+flush-8:010:40:075
277469991412,2cyclictest631090-21kworker/u16:2+flush-8:010:40:075
277469991412,2cyclictest433937-21kworker/u16:0+events_unbound08:34:465
27746999140,13cyclictest0-21swapper/510:54:205
277461991412,2cyclictest809025-21kworker/u16:3+flush-8:011:20:044
277461991412,2cyclictest809025-21kworker/u16:3+flush-8:011:20:044
277461991412,2cyclictest205325-21kworker/u16:0+events_unbound07:14:424
277461991411,3cyclictest3757659-21kworker/u16:1+flush-8:007:44:294
27746199140,1cyclictest0-21swapper/410:31:064
27746199140,14cyclictest0-21swapper/411:13:124
27746199140,14cyclictest0-21swapper/411:02:574
27747699139,3cyclictest1267-21snmpd11:34:557
27747699139,3cyclictest1267-21snmpd07:22:187
27747699138,4cyclictest491016-21latency_hist08:54:187
27747699136,6cyclictest6184-21gvfs-afc-volume07:09:437
27747699136,6cyclictest6184-21gvfs-afc-volume07:09:437
27747699136,6cyclictest0-21swapper/712:15:377
27747699136,6cyclictest0-21swapper/711:55:517
27747699136,6cyclictest0-21swapper/711:05:347
27747699136,6cyclictest0-21swapper/710:59:277
27747699135,7cyclictest0-21swapper/709:59:387
27747699135,7cyclictest0-21swapper/709:34:407
27747699134,8cyclictest694492-21kthreadcore10:19:397
277476991311,1cyclictest0-21swapper/710:44:467
277476991310,2cyclictest0-21swapper/707:54:197
277476991310,2cyclictest0-21swapper/707:54:197
27747699130,2cyclictest365942-21ntpq07:44:427
27747199139,1cyclictest0-21swapper/607:22:516
277471991312,1cyclictest0-21swapper/612:01:346
277471991312,1cyclictest0-21swapper/611:09:046
277471991312,1cyclictest0-21swapper/610:21:286
277471991312,1cyclictest0-21swapper/608:57:176
277471991312,1cyclictest0-21swapper/608:06:316
277471991312,1cyclictest0-21swapper/607:49:296
277471991311,2cyclictest0-21swapper/608:27:386
277471991310,3cyclictest0-21swapper/611:55:076
27747199130,1cyclictest0-21swapper/611:40:366
27747199130,13cyclictest0-21swapper/612:07:536
27747199130,13cyclictest0-21swapper/607:59:166
27747199130,13cyclictest0-21swapper/607:59:166
27747199130,13cyclictest0-21swapper/607:13:136
27747199130,13cyclictest0-21swapper/607:13:136
27746999139,2cyclictest955380-21kworker/u16:3+events_unbound12:12:525
277469991311,2cyclictest568855-21kworker/u16:3+events_unbound10:19:485
277469991311,2cyclictest500769-21kworker/u16:1+flush-8:009:29:465
27746199139,3cyclictest490794-21kworker/u16:0+flush-8:008:54:444
27746199139,3cyclictest3757659-21kworker/u16:1+flush-8:008:44:444
277461991312,1cyclictest0-21swapper/412:10:164
277461991312,1cyclictest0-21swapper/411:28:584
277461991312,1cyclictest0-21swapper/410:17:334
27746199130,13cyclictest0-21swapper/411:15:054
27746199130,13cyclictest0-21swapper/410:50:394
27746199130,12cyclictest0-21swapper/408:14:424
27746199130,0cyclictest0-21swapper/411:59:524
27747699129,2cyclictest1267-21snmpd08:42:177
27747699129,2cyclictest1267-21snmpd08:33:477
27747699128,3cyclictest5944-21gmain07:24:317
27747699128,3cyclictest357039-21chrt07:40:217
27747699128,3cyclictest1267-21snmpd08:27:177
27747699128,3cyclictest1267-21snmpd08:20:447
27747699128,3cyclictest1267-21snmpd08:09:197
27747699128,3cyclictest1267-21snmpd07:33:307
27747699125,6cyclictest0-21swapper/711:29:197
277476991211,0cyclictest0-21swapper/707:09:177
27747699120,10cyclictest0-21swapper/707:14:467
27747199129,3cyclictest0-21swapper/608:20:426
277471991211,1cyclictest0-21swapper/612:30:166
277471991211,1cyclictest0-21swapper/611:16:576
277471991211,1cyclictest0-21swapper/610:54:346
277471991211,1cyclictest0-21swapper/610:46:416
277471991211,1cyclictest0-21swapper/609:55:466
277471991211,1cyclictest0-21swapper/609:29:456
277471991211,1cyclictest0-21swapper/608:04:096
277471991211,1cyclictest0-21swapper/607:40:026
27746199127,4cyclictest310845-21cat07:19:344
277461991211,1cyclictest0-21swapper/412:06:104
277461991211,1cyclictest0-21swapper/410:54:354
277461991211,1cyclictest0-21swapper/409:31:304
277461991211,1cyclictest0-21swapper/409:15:164
27747699113,7cyclictest924-21NetworkManager08:04:387
27747199118,1cyclictest0-21swapper/610:25:156
27747199118,1cyclictest0-21swapper/610:07:356
277471991110,1cyclictest0-21swapper/609:35:546
277471991110,1cyclictest0-21swapper/608:59:206
277471991110,1cyclictest0-21swapper/608:44:026
27747199110,8cyclictest0-21swapper/607:34:336
27746999119,2cyclictest3757659-21kworker/u16:1+flush-8:008:04:405
27746999118,2cyclictest433937-21kworker/u16:0+flush-8:008:29:305
27746199119,2cyclictest3757659-21kworker/u16:1+flush-8:008:09:184
27746199119,2cyclictest3757659-21kworker/u16:1+events_unbound07:24:424
277461991110,1cyclictest0-21swapper/411:51:114
277461991110,1cyclictest0-21swapper/410:03:314
277461991110,1cyclictest0-21swapper/409:07:234
277461991110,1cyclictest0-21swapper/407:51:144
277461991110,1cyclictest0-21swapper/407:38:574
27746199110,11cyclictest0-21swapper/408:52:154
27747199109,1cyclictest0-21swapper/612:20:016
27747199109,1cyclictest0-21swapper/611:30:406
27747199109,1cyclictest0-21swapper/611:26:446
27747199109,1cyclictest0-21swapper/610:31:056
27747199109,1cyclictest0-21swapper/608:18:306
27746999108,2cyclictest3757659-21kworker/u16:1+events_unbound07:46:375
27746999107,2cyclictest491573-21cpuspeed_turbos08:54:315
27746199109,1cyclictest0-21swapper/407:58:484
27746199109,1cyclictest0-21swapper/407:58:484
27746199108,2cyclictest809025-21kworker/u16:3+events_unbound11:34:374
27746199107,2cyclictest258282-21kworker/u16:2+flush-8:007:04:354
27746199100,9cyclictest0-21swapper/407:09:204
27746199100,9cyclictest0-21swapper/407:09:204
2774719998,1cyclictest0-21swapper/612:26:106
2774719998,1cyclictest0-21swapper/612:15:556
2774719998,1cyclictest0-21swapper/610:36:556
2774719998,1cyclictest0-21swapper/607:25:126
2774699998,1cyclictest0-21swapper/508:00:365
2774699997,2cyclictest3757659-21kworker/u16:1+events_unbound07:42:105
2774619997,2cyclictest277672-21kworker/u16:3+flush-8:007:29:344
2774719987,1cyclictest0-21swapper/610:42:456
2774719987,1cyclictest0-21swapper/610:42:456
2774719987,1cyclictest0-21swapper/608:29:516
2774719987,1cyclictest0-21swapper/607:05:586
2774719983,4cyclictest410275-21cut08:09:376
2774619987,1cyclictest0-21swapper/412:32:484
2774619986,2cyclictest500769-21kworker/u16:1+flush-8:009:09:384
2774619986,2cyclictest319601-21kworker/u16:2+flush-8:008:19:364
2774619983,4cyclictest469324-21tr08:39:394
2774619983,4cyclictest439068-21cut08:24:354
2774719976,1cyclictest0-21swapper/612:09:466
2774719975,1cyclictest0-21swapper/608:49:336
2774719975,1cyclictest0-21swapper/607:29:306
2774719973,3cyclictest511579-21sed09:04:356
2774719973,3cyclictest300876-21cat07:14:396
2774719972,4cyclictest535045-21cat09:14:316
2774719971,2cyclictest0-21swapper/608:44:316
2774719965,1cyclictest0-21swapper/611:13:016
2774719964,2cyclictest773590-21kworker/u16:1+flush-8:011:00:296
2774719963,2cyclictest3953173-21dockerd10:16:186
2774619960,1cyclictest0-21swapper/411:42:534
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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