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2026-09-20 - 05:03
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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
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Sun Sep 20, 2026 01:01:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
880899211204,5cyclictest0-21swapper/2319:45:2316
880899211204,5cyclictest0-21swapper/2319:45:2216
882099203193,6cyclictest0-21swapper/3421:15:1628
882099203193,6cyclictest0-21swapper/3421:15:1628
88059920175,115cyclictest0-21swapper/2022:00:1613
88059920175,115cyclictest0-21swapper/2022:00:1613
87979920024,109cyclictest3541-21CPU7
87979920024,109cyclictest3541-21CPU7
8795991994,179cyclictest0-21swapper/1323:10:175
8795991994,179cyclictest0-21swapper/1323:10:175
8795991994,179cyclictest0-21swapper/1323:10:165
878499199188,5cyclictest0-21swapper/323:18:4923
878499199188,5cyclictest0-21swapper/323:18:4923
881399196188,6cyclictest0-21swapper/2822:31:1021
881399196188,6cyclictest0-21swapper/2822:31:1021
878999196174,13cyclictest0-21swapper/823:23:4438
878999196174,13cyclictest0-21swapper/823:23:4438
878399195188,5cyclictest0-21swapper/220:30:5212
878399195188,5cyclictest0-21swapper/220:30:5212
882099194189,3cyclictest142450irq/46-eno1-TxRx-420:10:1428
882099194189,3cyclictest142450irq/46-eno1-TxRx-420:10:1428
881099194189,3cyclictest0-21swapper/2521:40:1618
881099194189,3cyclictest0-21swapper/2521:40:1518
878399194184,8cyclictest0-21swapper/222:11:2112
878399194184,8cyclictest0-21swapper/222:11:2012
878399194161,16cyclictest0-21swapper/222:49:4512
878399194161,16cyclictest0-21swapper/222:49:4512
878399194161,16cyclictest0-21swapper/222:49:4512
882099193180,11cyclictest0-21swapper/3422:17:2028
882099193180,11cyclictest0-21swapper/3422:17:2028
880599193102,85cyclictest3546-21CPU13
880599193102,85cyclictest3546-21CPU13
880599193102,85cyclictest3546-21CPU13
878999192183,4cyclictest0-21swapper/820:00:3938
878999192183,4cyclictest0-21swapper/820:00:3938
88239919146,135cyclictest2459-21CPU30
88239919146,135cyclictest2459-21CPU30
878599191182,7cyclictest0-21swapper/421:41:3234
878599191182,7cyclictest0-21swapper/421:41:3134
878499190185,3cyclictest6695-21kworker/u81:1+events_unbound00:09:2423
878499190185,3cyclictest6695-21kworker/u81:1+events_unbound00:09:2423
8805991891,183cyclictest7051-21cstates21:50:1613
8805991891,183cyclictest7051-21cstates21:50:1513
880599189108,77cyclictest3545-21CPU13
880599189108,77cyclictest3545-21CPU13
878599189161,14cyclictest3544-21CPU34
878599189161,14cyclictest3544-21CPU34
878399189176,10cyclictest0-21swapper/220:25:2612
878399189176,10cyclictest0-21swapper/220:25:2612
87959918878,104cyclictest0-21swapper/1321:40:185
87959918878,104cyclictest0-21swapper/1321:40:185
878499188176,10cyclictest0-21swapper/322:01:0123
878499188176,10cyclictest0-21swapper/322:01:0123
878399188130,29cyclictest0-21swapper/219:15:4812
878399188130,29cyclictest0-21swapper/219:15:4812
882099187176,9cyclictest0-21swapper/3419:21:3328
882099187176,9cyclictest0-21swapper/3419:21:3228
880899187176,9cyclictest0-21swapper/2320:42:5116
880899187176,9cyclictest0-21swapper/2320:42:5116
880299187177,8cyclictest0-21swapper/1821:09:5710
880299187177,8cyclictest0-21swapper/1821:09:5610
8795991871,182cyclictest0-21swapper/1321:20:155
8795991871,182cyclictest0-21swapper/1321:20:155
878599187181,5cyclictest0-21swapper/422:17:2834
878599187181,5cyclictest0-21swapper/422:17:2834
878599186179,5cyclictest0-21swapper/422:21:1134
878599186179,5cyclictest0-21swapper/422:21:1134
882099185179,4cyclictest0-21swapper/3421:13:1228
882099185179,4cyclictest0-21swapper/3421:13:1228
880299185172,10cyclictest0-21swapper/1821:28:1210
880299185172,10cyclictest0-21swapper/1821:28:1210
878599185179,4cyclictest0-21swapper/422:12:2634
878599185179,4cyclictest0-21swapper/422:12:2634
878599185177,7cyclictest0-21swapper/422:44:2734
878599185177,7cyclictest0-21swapper/422:44:2634
878599185177,5cyclictest18183-21sshd21:55:0334
878599185177,5cyclictest18183-21sshd21:55:0334
882099184180,2cyclictest0-21swapper/3421:20:2128
882099184180,2cyclictest0-21swapper/3421:20:2028
878399184154,24cyclictest0-21swapper/222:00:2712
878399184154,24cyclictest0-21swapper/222:00:2712
878399184142,22cyclictest0-21swapper/200:12:1112
878399184142,22cyclictest0-21swapper/200:12:1012
878399184142,22cyclictest0-21swapper/200:12:1012
878599183178,3cyclictest0-21swapper/421:50:0034
878599183178,3cyclictest0-21swapper/421:50:0034
882099182173,7cyclictest0-21swapper/3420:01:3828
882099182173,7cyclictest0-21swapper/3420:01:3828
878499182169,11cyclictest0-21swapper/300:34:2323
878499182169,11cyclictest0-21swapper/300:34:2223
882099181172,6cyclictest0-21swapper/3421:25:3028
882099181172,6cyclictest0-21swapper/3421:25:3028
880899181164,6cyclictest0-21swapper/2323:36:1816
880899181164,6cyclictest0-21swapper/2323:36:1816
880899181164,6cyclictest0-21swapper/2323:36:1816
880699181171,6cyclictest0-21swapper/2119:42:3114
880699181171,6cyclictest0-21swapper/2119:42:3114
88059918195,49cyclictest0-21swapper/2022:30:2013
88059918195,49cyclictest0-21swapper/2022:30:2013
880299181174,5cyclictest17484-21nfsd19:41:5710
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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