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2026-05-22 - 21:51
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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 Fri May 22, 2026 12:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136981299351350,1cyclictest1415778-21kworker/1:109:05:021
136981299351350,1cyclictest0-21swapper/107:39:031
136981299348347,1cyclictest0-21swapper/110:45:021
136981299348346,1cyclictest382789-21kworker/1:008:00:021
136981299346344,1cyclictest1415778-21kworker/1:111:15:021
136981299346344,1cyclictest1415778-21kworker/1:111:15:021
136981299345344,1cyclictest0-21swapper/111:51:021
136981299344343,1cyclictest0-21swapper/111:45:021
136981299344342,1cyclictest0-21swapper/109:00:031
136981299343342,1cyclictest382789-21kworker/1:007:14:021
136981299343342,1cyclictest1484980-21kworker/1:010:20:021
136981299342341,1cyclictest382789-21kworker/1:007:55:031
136981299342341,1cyclictest1415778-21kworker/1:110:26:031
136981299342341,1cyclictest1415778-21kworker/1:110:12:031
136981299342341,1cyclictest0-21swapper/112:15:021
136981299342341,1cyclictest0-21swapper/112:05:021
136981299342341,1cyclictest0-21swapper/108:39:021
136981299342341,1cyclictest0-21swapper/107:47:031
136981299342340,1cyclictest0-21swapper/111:35:021
136981299342340,1cyclictest0-21swapper/111:20:021
136981299341340,1cyclictest1415778-21kworker/1:111:40:021
136981299341340,1cyclictest1415778-21kworker/1:110:55:021
136981299341340,1cyclictest1415778-21kworker/1:110:40:021
136981299341340,1cyclictest1415778-21kworker/1:109:40:031
136981299341340,1cyclictest0-21swapper/111:25:021
136981299341340,1cyclictest0-21swapper/108:46:021
136981299340339,1cyclictest382789-21kworker/1:007:50:031
136981299340339,1cyclictest1415778-21kworker/1:111:58:021
136981299340339,1cyclictest1415778-21kworker/1:111:01:031
136981299340339,1cyclictest1415778-21kworker/1:110:00:021
136981299340339,1cyclictest0-21swapper/110:33:021
136981299340339,1cyclictest0-21swapper/108:40:021
136981299340339,1cyclictest0-21swapper/107:30:021
136981299339338,1cyclictest0-21swapper/111:30:031
136981299339338,1cyclictest0-21swapper/111:07:031
136981299339337,1cyclictest0-21swapper/109:49:031
136981299339337,1cyclictest0-21swapper/108:29:021
136981299339337,1cyclictest0-21swapper/107:17:021
136930923390,5sleep4411rcuc/407:05:304
136981299338337,1cyclictest1415778-21kworker/1:112:29:021
136981299338337,1cyclictest1415778-21kworker/1:110:18:021
136981299338337,1cyclictest1415778-21kworker/1:109:17:021
136981299338337,1cyclictest0-21swapper/109:28:031
136981299338336,1cyclictest0-21swapper/112:24:021
136981299338336,1cyclictest0-21swapper/112:14:021
136981299337336,1cyclictest1415778-21kworker/1:110:36:031
136981299337336,1cyclictest0-21swapper/109:56:021
136981299337336,1cyclictest0-21swapper/109:54:021
136981299337336,1cyclictest0-21swapper/109:32:031
136981299337336,1cyclictest0-21swapper/108:58:021
136981299337336,1cyclictest0-21swapper/108:31:031
136981299337336,1cyclictest0-21swapper/107:22:021
136981299337335,1cyclictest1415778-21kworker/1:112:36:021
136981299337335,1cyclictest1415778-21kworker/1:110:07:021
136981299337335,1cyclictest1415778-21kworker/1:108:54:021
136981299336335,1cyclictest1415778-21kworker/1:110:52:021
136981299336335,1cyclictest1415778-21kworker/1:109:11:021
136981299336335,1cyclictest0-21swapper/108:12:021
136981299336334,1cyclictest382789-21kworker/1:007:41:031
136981299335334,1cyclictest0-21swapper/111:14:021
136916423300,6sleep30-21swapper/307:05:283
136986199297295,1cyclictest0-21swapper/707:39:027
136986199296294,1cyclictest0-21swapper/710:06:027
136986199295294,1cyclictest1369635-21kworker/7:108:16:027
136986199295294,1cyclictest1369635-21kworker/7:108:16:027
136986199292290,1cyclictest0-21swapper/707:42:027
136986199290288,1cyclictest1551157-21kworker/7:112:35:027
136986199288287,1cyclictest1369635-21kworker/7:108:05:037
136986199288287,1cyclictest0-21swapper/710:01:037
136986199288286,1cyclictest1469929-21kworker/7:009:55:037
136986199287285,1cyclictest1551157-21kworker/7:112:23:027
136986199286285,1cyclictest1551157-21kworker/7:112:30:027
136986199286285,1cyclictest1469929-21kworker/7:010:17:037
136986199286285,1cyclictest0-21swapper/712:00:027
136986199286285,1cyclictest0-21swapper/711:55:027
136986199286285,1cyclictest0-21swapper/708:10:027
136986199286284,1cyclictest1369635-21kworker/7:108:34:027
136986199285284,1cyclictest1369635-21kworker/7:107:45:027
136986199285284,1cyclictest1369635-21kworker/7:107:19:027
136986199285284,1cyclictest0-21swapper/711:48:027
136986199285284,1cyclictest0-21swapper/710:29:027
136986199285284,1cyclictest0-21swapper/709:45:037
136986199285284,1cyclictest0-21swapper/709:25:027
136986199285284,1cyclictest0-21swapper/709:20:027
136986199285283,1cyclictest0-21swapper/712:28:027
136986199285283,1cyclictest0-21swapper/710:31:027
136984599285283,1cyclictest1385695-21kworker/5:207:39:025
136986199284283,1cyclictest1369635-21kworker/7:108:35:027
136986199284283,1cyclictest0-21swapper/711:02:027
136986199284283,1cyclictest0-21swapper/707:25:027
136986199284282,1cyclictest0-21swapper/709:07:027
136986199284282,1cyclictest0-21swapper/707:57:037
136984599284283,1cyclictest0-21swapper/509:05:025
136986199283282,1cyclictest1469929-21kworker/7:010:58:027
136986199283282,1cyclictest1369635-21kworker/7:107:11:037
136986199283282,1cyclictest0-21swapper/712:11:027
136986199283282,1cyclictest0-21swapper/710:35:037
136986199283282,1cyclictest0-21swapper/709:51:037
136986199283282,1cyclictest0-21swapper/707:23:027
136986199283281,2cyclictest0-21swapper/710:46:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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