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2026-05-19 - 17:51
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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 rackcslot6.osadl.org (updated Tue May 19, 2026 12:46:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16091299336334,1cyclictest0-21swapper/709:50:027
16091299334333,1cyclictest0-21swapper/709:10:027
16091299333332,1cyclictest0-21swapper/712:13:027
16091299333332,1cyclictest0-21swapper/711:39:027
16091299333332,1cyclictest0-21swapper/708:55:027
16091299332331,1cyclictest0-21swapper/712:05:027
16091299332331,1cyclictest0-21swapper/711:33:027
16091299332331,1cyclictest0-21swapper/710:50:017
16091299332331,1cyclictest0-21swapper/710:00:027
16091299332331,1cyclictest0-21swapper/709:59:027
16091299331330,1cyclictest0-21swapper/710:30:027
16091299331330,1cyclictest0-21swapper/710:15:027
16091299331330,1cyclictest0-21swapper/707:51:027
16091299331330,1cyclictest0-21swapper/707:45:027
16091299331329,1cyclictest0-21swapper/709:25:027
16091299331329,1cyclictest0-21swapper/707:14:027
16091299330329,1cyclictest0-21swapper/710:55:027
16091299330329,1cyclictest0-21swapper/708:33:027
16091299329328,1cyclictest195637-21kworker/7:108:48:027
16091299329328,1cyclictest0-21swapper/712:21:027
16091299328327,1cyclictest122368-21kworker/7:007:25:027
16091299328327,1cyclictest0-21swapper/710:41:027
16091299328327,1cyclictest0-21swapper/710:07:027
16091299328327,1cyclictest0-21swapper/709:41:027
16091299328327,1cyclictest0-21swapper/709:24:027
16091299328327,1cyclictest0-21swapper/709:19:027
16091299328327,1cyclictest0-21swapper/708:51:027
16091299328326,1cyclictest0-21swapper/712:37:027
16091299328326,1cyclictest0-21swapper/711:57:027
16091299328326,1cyclictest0-21swapper/710:47:027
16091299327326,1cyclictest200817-21kworker/7:012:00:027
16091299327326,1cyclictest195637-21kworker/7:109:01:027
16091299327326,1cyclictest122368-21kworker/7:007:30:027
16091299327326,1cyclictest0-21swapper/711:27:017
16091299327326,1cyclictest0-21swapper/711:12:027
16091299327326,1cyclictest0-21swapper/710:14:027
16091299327326,1cyclictest0-21swapper/708:21:027
16091299327325,1cyclictest0-21swapper/708:43:027
16091299326325,1cyclictest200817-21kworker/7:012:15:027
16091299326325,1cyclictest0-21swapper/711:49:027
16091299325324,1cyclictest195637-21kworker/7:108:10:027
16091299325324,1cyclictest122368-21kworker/7:008:01:027
16091299325324,1cyclictest122368-21kworker/7:008:01:027
16091299325324,1cyclictest0-21swapper/712:34:027
16091299325324,1cyclictest0-21swapper/712:34:027
16091299325323,1cyclictest200817-21kworker/7:009:33:027
16091299325323,1cyclictest200817-21kworker/7:009:33:027
16091299325323,1cyclictest122368-21kworker/7:007:43:027
16091299324323,1cyclictest200817-21kworker/7:011:02:027
16091299324323,1cyclictest0-21swapper/708:28:037
16091299324322,1cyclictest200817-21kworker/7:010:22:027
16091299323322,1cyclictest200817-21kworker/7:011:09:027
16091299323322,1cyclictest195637-21kworker/7:109:08:027
16091299323321,1cyclictest200817-21kworker/7:012:29:027
16091299323321,1cyclictest122368-21kworker/7:007:36:027
16091299322320,1cyclictest200817-21kworker/7:011:43:027
16091299320319,1cyclictest200817-21kworker/7:011:51:027
16089199320319,1cyclictest0-21swapper/409:05:024
16085899320319,1cyclictest463781-21kworker/0:209:05:020
16090799318317,1cyclictest0-21swapper/611:20:026
16090799316315,1cyclictest0-21swapper/611:59:026
16089199316315,1cyclictest0-21swapper/409:34:024
16089199316315,1cyclictest0-21swapper/409:34:024
16090799315314,1cyclictest0-21swapper/611:34:026
16089199315314,1cyclictest408604-21kworker/4:007:15:024
16089199315313,1cyclictest0-21swapper/412:20:024
16085899315314,1cyclictest0-21swapper/007:15:020
16085899315313,1cyclictest0-21swapper/010:35:020
16090799314313,1cyclictest0-21swapper/611:28:026
16089199314313,1cyclictest251930-21kworker/4:010:35:024
16089199314313,1cyclictest0-21swapper/411:01:024
16085899314313,1cyclictest463781-21kworker/0:211:01:020
16085899313312,1cyclictest463781-21kworker/0:212:20:020
16090799312311,1cyclictest0-21swapper/610:17:026
16090799311310,1cyclictest0-21swapper/612:27:026
16090799311310,1cyclictest0-21swapper/611:40:026
16090799311310,1cyclictest0-21swapper/609:17:026
16090799311310,1cyclictest0-21swapper/608:20:026
16090799311309,1cyclictest1635726-21kworker/6:107:50:036
16090799311309,1cyclictest0-21swapper/608:58:026
16090799311308,3cyclictest227870-21kworker/6:209:20:026
16089199311310,1cyclictest209655-21kworker/4:211:44:024
16089199311310,1cyclictest209655-21kworker/4:208:38:024
16089199311309,1cyclictest0-21swapper/408:25:024
16085899311310,1cyclictest0-21swapper/011:44:020
16090799310309,1cyclictest257949-21kworker/6:110:10:026
16090799310309,1cyclictest191768-21kworker/6:008:15:026
16090799310309,1cyclictest0-21swapper/612:04:026
16090799310309,1cyclictest0-21swapper/611:50:026
16090799310309,1cyclictest0-21swapper/610:37:026
16090799310309,1cyclictest0-21swapper/610:06:026
16090799310309,1cyclictest0-21swapper/607:38:026
16090799310308,1cyclictest0-21swapper/611:14:026
16089199310309,1cyclictest251930-21kworker/4:010:45:024
16089199310308,1cyclictest0-21swapper/409:57:024
16085899310309,1cyclictest463781-21kworker/0:208:25:020
16085899310309,1cyclictest0-21swapper/010:45:020
16085899310309,1cyclictest0-21swapper/008:38:020
16090799309308,1cyclictest257949-21kworker/6:111:15:026
16090799309308,1cyclictest227870-21kworker/6:209:40:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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