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2026-04-18 - 15:16
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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 the highest latencies:
System rack0slot2.osadl.org (updated Sat Apr 18, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25924725847,7sleep40-21swapper/407:04:534
268696995143,7cyclictest444655-21latency_hist08:39:457
26830425039,8sleep50-21swapper/507:08:315
268696994638,7cyclictest514401-21latency_hist09:14:467
268696994436,7cyclictest735126-21latency_hist10:44:457
2600672413,32sleep70-21swapper/707:05:047
268683993835,2cyclictest597938-21kworker/u16:2+flush-8:009:59:454
268693993735,2cyclictest992248-21kworker/u16:0+events_unbound12:39:116
268693993735,2cyclictest879548-21kworker/u16:1+events_unbound12:05:466
268693993735,2cyclictest879548-21kworker/u16:1+events_unbound11:48:126
268693993634,2cyclictest820902-21kworker/u16:4+events_unbound12:33:276
268693993634,2cyclictest747484-21kworker/u16:2+events_unbound11:26:396
268693993634,2cyclictest747484-21kworker/u16:2+events_unbound11:20:356
268693993634,2cyclictest609205-21kworker/u16:3+events_unbound11:07:006
268693993634,2cyclictest609205-21kworker/u16:3+events_unbound10:51:596
268693993634,2cyclictest609205-21kworker/u16:3+events_unbound10:42:236
268693993634,2cyclictest387533-21kworker/u16:0+events_unbound09:36:436
268693993634,2cyclictest387533-21kworker/u16:0+events_unbound09:36:436
268693993533,2cyclictest955706-21kworker/u16:3+events_unbound12:28:476
268693993533,2cyclictest952910-21kworker/u16:2+events_unbound12:14:266
268693993533,2cyclictest820902-21kworker/u16:4+events_unbound12:18:556
268693993533,2cyclictest820902-21kworker/u16:4+events_unbound11:37:596
268693993533,2cyclictest820902-21kworker/u16:4+events_unbound11:33:396
268693993533,2cyclictest724732-21kworker/u16:0+events_unbound11:14:106
268693993533,2cyclictest674058-21kworker/u16:1+events_unbound10:37:006
268693993533,2cyclictest674058-21kworker/u16:1+events_unbound10:33:396
268693993533,2cyclictest435451-21kworker/u16:1+events_unbound09:29:316
268693993533,2cyclictest435451-21kworker/u16:1+events_unbound09:14:466
268696993430,3cyclictest6946-21fwupd10:00:487
268693993432,2cyclictest820902-21kworker/u16:4+events_unbound11:59:036
268693993432,2cyclictest820902-21kworker/u16:4+events_unbound11:41:516
268693993432,2cyclictest820902-21kworker/u16:4+events_unbound11:41:516
268693993432,2cyclictest747484-21kworker/u16:2+events_unbound11:53:076
268693993432,2cyclictest597938-21kworker/u16:2+events_unbound10:09:196
268693993431,2cyclictest387533-21kworker/u16:0+events_unbound08:24:486
2682962349,8sleep60-21swapper/607:08:246
268693993331,2cyclictest747484-21kworker/u16:2+events_unbound11:17:356
268693993331,2cyclictest724732-21kworker/u16:0+events_unbound10:47:396
268693993331,2cyclictest597938-21kworker/u16:2+events_unbound10:19:236
268693993331,2cyclictest597938-21kworker/u16:2+events_unbound10:19:236
268693993331,2cyclictest597938-21kworker/u16:2+events_unbound09:48:406
268693993230,2cyclictest955706-21kworker/u16:3+events_unbound12:21:516
268693993230,2cyclictest955706-21kworker/u16:3+events_unbound12:21:516
268693993230,2cyclictest820902-21kworker/u16:4+flush-8:012:00:426
268693993230,2cyclictest724732-21kworker/u16:0+flush-8:010:55:236
268693993230,2cyclictest539023-21kworker/u16:4+events_unbound09:57:086
268693993230,2cyclictest483066-21kworker/u16:2+events_unbound09:14:246
268693993230,2cyclictest435451-21kworker/u16:1+events_unbound09:51:366
268693993230,2cyclictest435451-21kworker/u16:1+events_unbound09:22:356
268693993230,2cyclictest387533-21kworker/u16:0+events_unbound09:44:286
268693993129,2cyclictest609205-21kworker/u16:3+events_unbound10:20:476
268693993128,2cyclictest329946-21kworker/u16:1+events_unbound07:39:476
268693993028,2cyclictest724732-21kworker/u16:0+events_unbound11:02:036
268693993028,2cyclictest609205-21kworker/u16:3+events_unbound10:28:156
268693993028,2cyclictest597938-21kworker/u16:2+events_unbound10:03:316
268693993028,2cyclictest435451-21kworker/u16:1+events_unbound09:06:476
268693993028,2cyclictest387533-21kworker/u16:0+events_unbound09:31:466
268693993028,2cyclictest278182-21kworker/u16:0+events_unbound07:27:486
268693992926,2cyclictest256257-21kworker/u16:4+events_unbound07:19:556
268693992926,2cyclictest256257-21kworker/u16:4+events_unbound07:19:556
268683992826,2cyclictest820902-21kworker/u16:4+events_unbound11:34:594
268683992825,2cyclictest609205-21kworker/u16:3+flush-8:011:05:024
268693992725,2cyclictest387533-21kworker/u16:0+events_unbound08:15:566
268683992724,2cyclictest256257-21kworker/u16:4+flush-8:007:25:044
268683992624,2cyclictest539023-21kworker/u16:4+flush-8:009:45:104
268696992520,4cyclictest563458-21latency_hist09:34:457
268693992523,2cyclictest3745393-21kworker/u16:1+events_unbound07:10:566
268693992523,2cyclictest278182-21kworker/u16:0+flush-8:007:38:476
268683992523,2cyclictest609205-21kworker/u16:3+events_unbound10:30:004
268683992522,2cyclictest952910-21kworker/u16:2+flush-8:012:24:404
268683992522,2cyclictest952910-21kworker/u16:2+flush-8:012:24:404
268693992422,2cyclictest609205-21kworker/u16:3+events_unbound10:14:346
268693992422,2cyclictest454433-21kworker/u16:3+events_unbound09:03:556
268693992422,2cyclictest387533-21kworker/u16:0+events_unbound08:21:486
268696992317,5cyclictest368001-21latency_hist07:59:457
268693992321,2cyclictest376632-21kworker/u16:2+events_unbound08:05:476
268683992321,2cyclictest674058-21kworker/u16:1+events_unbound10:39:584
268696992217,4cyclictest635-21systemd-journal11:54:457
268693992220,2cyclictest425397-21kworker/u16:2+events_unbound08:34:076
268683992218,3cyclictest483066-21kworker/u16:2+events_unbound09:24:574
268693992119,2cyclictest387533-21kworker/u16:0+events_unbound08:54:486
268693992119,2cyclictest278182-21kworker/u16:0+events_unbound07:50:076
268683992119,2cyclictest879548-21kworker/u16:1+events_unbound11:54:594
268683992118,2cyclictest724732-21kworker/u16:0+flush-8:011:01:524
268696992013,6cyclictest796323-21latency_hist11:09:457
268683992018,2cyclictest387533-21kworker/u16:0+flush-8:008:24:454
268693991917,2cyclictest256257-21kworker/u16:4+events_unbound07:32:166
268683991916,2cyclictest483066-21kworker/u16:2+flush-8:009:14:554
268696991814,3cyclictest1234-21snmpd09:00:227
26869699181,2cyclictest682952-21ssh10:20:087
268696991810,7cyclictest759600-21latency_hist10:54:457
268693991816,2cyclictest435451-21kworker/u16:1+events_unbound08:47:556
268683991815,2cyclictest674058-21kworker/u16:1+flush-8:010:25:024
26868399180,17cyclictest607493-21kthreadcore09:50:074
26869699171,14cyclictest844939-21ssh11:29:047
26869699170,1cyclictest0-21swapper/710:15:107
26869699170,1cyclictest0-21swapper/710:15:107
268693991715,2cyclictest329946-21kworker/u16:1+events_unbound07:46:166
26869399170,3cyclictest359008-21cpuspeed_turbos07:54:576
268688991716,1cyclictest609205-21kworker/u16:3+flush-8:010:49:455
268688991712,4cyclictest683169-21smart_sda10:20:115
26868899170,1cyclictest0-21swapper/509:45:205
268683991715,2cyclictest329946-21kworker/u16:1+events_unbound07:55:004
268683991714,2cyclictest842281-21smart_sda11:25:124
26869699160,14cyclictest0-21swapper/712:35:097
26869699160,14cyclictest0-21swapper/710:05:087
268693991614,2cyclictest387533-21kworker/u16:0+events_unbound08:53:476
268683991613,2cyclictest387533-21kworker/u16:0+flush-8:008:54:564
26868399160,15cyclictest444303-21awk08:35:144
26869699159,5cyclictest1234-21snmpd08:42:497
26869699158,6cyclictest6514-21gmain09:22:307
268696991511,3cyclictest1234-21snmpd07:28:157
26869699150,14cyclictest0-21swapper/710:30:087
268693991513,2cyclictest278182-21kworker/u16:0+events_unbound07:16:496
26868899150,1cyclictest956643-21iostat12:15:005
26868899150,1cyclictest0-21swapper/510:00:025
26869699148,5cyclictest1234-21snmpd10:39:347
26869699146,7cyclictest6101-21gmain11:45:347
268696991412,1cyclictest0-21swapper/708:50:087
268696991410,3cyclictest1234-21snmpd11:38:157
26869699140,1cyclictest0-21swapper/708:20:087
268693991412,2cyclictest356422-21kworker/u16:3+flush-8:008:00:206
268693991412,2cyclictest356422-21kworker/u16:3+events_unbound08:14:446
26868899149,4cyclictest781062-21smart_sda11:00:115
268688991413,1cyclictest0-21swapper/511:17:185
268688991413,1cyclictest0-21swapper/510:30:375
26868899140,8cyclictest0-21swapper/507:25:005
26868899140,1cyclictest0-21swapper/512:39:455
268683991413,1cyclictest0-21swapper/412:07:464
268683991413,1cyclictest0-21swapper/410:20:244
268683991413,1cyclictest0-21swapper/410:12:024
268683991413,1cyclictest0-21swapper/410:00:324
268683991413,1cyclictest0-21swapper/409:09:464
268683991412,2cyclictest820902-21kworker/u16:4+flush-8:011:49:454
268683991410,3cyclictest920049-21cat11:59:594
26868399140,1cyclictest0-21swapper/411:30:074
26868399140,14cyclictest0-21swapper/409:20:574
26869699139,3cyclictest1234-21snmpd11:53:517
26869699139,3cyclictest1234-21snmpd09:47:277
26869699139,2cyclictest0-21swapper/709:35:077
26869699139,2cyclictest0-21swapper/709:35:077
26869699138,4cyclictest0-21swapper/711:39:457
26869699138,4cyclictest0-21swapper/711:39:457
26869699137,5cyclictest1234-21snmpd12:09:437
26869699137,5cyclictest1234-21snmpd08:47:587
26869699137,5cyclictest1234-21snmpd08:19:467
268696991310,2cyclictest0-21swapper/712:30:107
26869699130,12cyclictest0-21swapper/707:43:217
26869699130,11cyclictest770138-21sh10:56:447
26868899138,4cyclictest793282-21smart_sda11:05:135
268688991312,1cyclictest0-21swapper/512:28:145
268688991312,1cyclictest0-21swapper/511:59:045
268688991312,1cyclictest0-21swapper/510:11:335
268688991312,1cyclictest0-21swapper/509:17:575
26868899130,1cyclictest0-21swapper/507:15:555
26868899130,13cyclictest0-21swapper/507:47:555
268683991312,1cyclictest0-21swapper/412:33:094
268683991312,1cyclictest0-21swapper/410:50:304
268683991312,1cyclictest0-21swapper/410:39:384
268683991311,2cyclictest930976-21kworker/u16:0+flush-8:012:10:144
268683991310,2cyclictest609205-21kworker/u16:3+events_unbound11:10:064
26868399130,13cyclictest0-21swapper/411:44:454
26868399130,13cyclictest0-21swapper/411:44:454
26868399130,13cyclictest0-21swapper/409:40:404
26868399130,13cyclictest0-21swapper/409:30:534
6881022120,3sleep576-21ksoftirqd/510:25:015
26869699129,2cyclictest1234-21snmpd12:12:107
26869699129,2cyclictest0-21swapper/711:15:087
26869699128,3cyclictest6895-21gmain07:35:107
26869699128,3cyclictest1234-21snmpd09:54:577
26869699128,3cyclictest1234-21snmpd09:16:057
26869699128,3cyclictest1234-21snmpd08:31:137
26869699128,3cyclictest1234-21snmpd08:26:527
26869699128,3cyclictest1234-21snmpd08:07:457
26869699128,3cyclictest1234-21snmpd07:30:007
26869699127,4cyclictest1234-21snmpd08:58:437
26869699126,5cyclictest989764-21sh12:25:277
26869699126,5cyclictest1234-21snmpd08:03:517
26869699126,5cyclictest1234-21snmpd07:45:247
26869699126,5cyclictest1234-21snmpd07:17:417
26869699125,6cyclictest5819-21gnome-shell10:26:547
26869699121,10cyclictest660042-21sh10:11:547
26869699120,11cyclictest979916-21latency_hist12:24:447
26869699120,11cyclictest979916-21latency_hist12:24:447
26869699120,11cyclictest966145-21sh12:17:097
26869699120,11cyclictest635-21systemd-journal10:44:467
26869699120,11cyclictest502170-21diskmemload11:10:167
26869699120,10cyclictest928360-21ssh12:00:137
26869699120,10cyclictest542948-21ssh09:25:027
268693991210,2cyclictest425397-21kworker/u16:2+flush-8:008:39:466
26868899129,2cyclictest376517-21needreboot08:00:085
268688991211,1cyclictest0-21swapper/511:48:125
268688991211,1cyclictest0-21swapper/511:38:165
268688991211,1cyclictest0-21swapper/510:51:455
268688991211,1cyclictest0-21swapper/510:40:435
268688991211,1cyclictest0-21swapper/509:28:495
268688991211,1cyclictest0-21swapper/508:38:415
26868399129,2cyclictest736639-21irqcore10:45:014
268683991211,1cyclictest0-21swapper/408:34:464
26869699118,2cyclictest1234-21snmpd09:52:217
26869699118,2cyclictest1234-21snmpd09:42:027
26869699118,2cyclictest1234-21snmpd09:09:177
26869699118,2cyclictest1234-21snmpd07:50:457
26869699118,2cyclictest1234-21snmpd07:11:297
26869699118,2cyclictest0-21swapper/711:30:027
26869699117,4cyclictest6382-21gvfs-afc-volume07:20:027
26869699117,4cyclictest6382-21gvfs-afc-volume07:20:027
26869699117,3cyclictest6101-21gmain08:10:027
26869699116,4cyclictest0-21swapper/711:22:157
26869699110,10cyclictest1234-21snmpd11:03:177
26869399119,2cyclictest435451-21kworker/u16:1+events_unbound08:37:166
26868899118,2cyclictest714980-21kthreadcore10:35:045
26868899118,2cyclictest0-21swapper/508:05:165
26868899116,4cyclictest805550-21smart_sda11:10:125
268688991110,1cyclictest0-21swapper/511:28:205
268683991110,1cyclictest0-21swapper/407:11:504
26868399110,11cyclictest0-21swapper/407:36:164
26868899109,1cyclictest0-21swapper/509:39:425
26868899109,1cyclictest0-21swapper/509:39:425
26868899109,1cyclictest0-21swapper/509:04:515
26868899107,2cyclictest0-21swapper/507:55:135
26868399108,2cyclictest747484-21kworker/u16:2+flush-8:011:15:174
26868399108,2cyclictest329946-21kworker/u16:1+events_unbound07:40:034
26868399105,4cyclictest956617-21cat12:14:594
26868399100,9cyclictest0-21swapper/410:55:134
2686889996,2cyclictest0-21swapper/509:20:045
2686839995,3cyclictest455335-21tune2fs08:45:004
2686839995,3cyclictest402439-21kthreadcore08:15:064
2686889986,2cyclictest930976-21kworker/u16:0+flush-8:012:10:435
2686889986,1cyclictest0-21swapper/511:30:015
2686889986,1cyclictest0-21swapper/510:55:065
2686889984,3cyclictest968345-21tr12:19:575
2686889984,3cyclictest968345-21tr12:19:575
2686889984,3cyclictest395134-21kthreadcore08:10:065
2686889984,3cyclictest335591-21kthreadcore07:40:065
2686889984,3cyclictest319160-21ntpq07:30:105
2686889983,4cyclictest903810-21grep11:50:135
2686889983,4cyclictest827045-21cut11:20:055
2686889983,4cyclictest665977-21cut10:15:045
2686889983,4cyclictest665977-21cut10:15:045
2686889983,4cyclictest557468-21cut09:30:045
2686889983,4cyclictest477216-21cut08:55:045
2686889983,4cyclictest449664-21cut08:40:025
2686889980,5cyclictest270131-21kthreadcore07:10:025
2686839986,1cyclictest0-21swapper/411:50:044
2686839986,1cyclictest0-21swapper/409:00:064
2686839985,2cyclictest382114-21kthreadcore08:05:064
2686839985,2cyclictest0-21swapper/412:25:054
2686839983,4cyclictest641901-21tr10:05:024
2686839983,4cyclictest420945-21cut08:25:054
2686839983,4cyclictest389501-21cut08:10:034
2686839983,4cyclictest357280-21wc07:50:074
2686839983,4cyclictest312452-21cat07:30:044
2686839983,4cyclictest296695-21cut07:20:054
2686839983,4cyclictest296695-21cut07:20:054
2686839983,4cyclictest1009355-21cut12:35:044
2686839982,2cyclictest681rcuog/409:35:044
2686839982,2cyclictest681rcuog/409:35:044
2686889975,1cyclictest0-21swapper/512:05:035
2686889975,1cyclictest0-21swapper/511:39:575
2686889975,1cyclictest0-21swapper/511:39:575
2686889975,1cyclictest0-21swapper/509:55:015
2686889975,1cyclictest0-21swapper/509:40:035
2686889975,1cyclictest0-21swapper/509:00:045
2686889975,1cyclictest0-21swapper/508:50:035
2686889975,1cyclictest0-21swapper/508:14:595
2686889975,1cyclictest0-21swapper/507:49:585
2686889975,1cyclictest0-21swapper/507:19:585
2686889975,1cyclictest0-21swapper/507:19:585
2686889974,2cyclictest5828-21JS15:59:265
2686889973,3cyclictest922269-21grep12:00:025
2686889973,3cyclictest639027-21tr10:05:005
2686889973,3cyclictest508107-21grep09:10:065
2686889973,3cyclictest426038-21wc08:29:595
2686889973,3cyclictest416756-21expr08:24:585
2686889973,3cyclictest320809-21ls07:34:585
2686889972,4cyclictest993848-21irqcore12:30:015
2686889972,4cyclictest603057-21grep09:50:055
2686889970,6cyclictest454827-21grep08:44:585
2686839975,1cyclictest0-21swapper/408:39:584
2686839974,2cyclictest0-21swapper/409:04:584
2686839973,3cyclictest662469-21cat10:14:584
2686839973,3cyclictest662469-21cat10:14:584
2686839973,3cyclictest464739-21grep08:49:594
2686839973,3cyclictest343019-21cat07:45:054
2686839973,3cyclictest279564-21grep07:14:484
2686839972,4cyclictest822741-21kthreadcore11:20:024
2686839972,4cyclictest368895-21cat07:59:584
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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