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2026-04-24 - 15:26
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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 Apr 24, 2026 12:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
377390399379378,1cyclictest3834839-21kworker/7:111:50:027
377390399379378,1cyclictest3834839-21kworker/7:109:04:017
377390399379378,1cyclictest0-21swapper/711:15:017
377390399378377,1cyclictest3834839-21kworker/7:111:40:027
377390399377376,1cyclictest3834839-21kworker/7:112:28:027
377390399377376,1cyclictest3834839-21kworker/7:109:27:027
377390399377376,1cyclictest3834839-21kworker/7:108:55:027
377390399377376,1cyclictest3778196-21kworker/7:007:50:027
377390399377376,1cyclictest3778196-21kworker/7:007:30:027
377390399377376,1cyclictest0-21swapper/710:25:027
377390399377376,1cyclictest0-21swapper/708:35:027
377390399377375,1cyclictest0-21swapper/708:50:027
377390399377375,1cyclictest0-21swapper/708:05:027
377390399376375,1cyclictest3834839-21kworker/7:112:05:017
377390399376375,1cyclictest3834839-21kworker/7:111:00:027
377390399376375,1cyclictest3834839-21kworker/7:111:00:027
377390399376375,1cyclictest3834839-21kworker/7:110:59:017
377390399376375,1cyclictest0-21swapper/712:20:027
377390399376375,1cyclictest0-21swapper/710:33:017
377390399376375,1cyclictest0-21swapper/709:09:017
377390399376375,1cyclictest0-21swapper/708:27:027
377390399376374,1cyclictest0-21swapper/707:22:017
377390399375374,1cyclictest3834839-21kworker/7:109:45:027
377390399375374,1cyclictest3778196-21kworker/7:007:36:027
377390399375374,1cyclictest0-21swapper/707:29:017
377390399375373,1cyclictest0-21swapper/708:21:027
377390399375373,1cyclictest0-21swapper/708:12:027
377390399375373,1cyclictest0-21swapper/708:03:027
377390399374373,1cyclictest3834839-21kworker/7:110:09:017
377390399374373,1cyclictest3834839-21kworker/7:109:13:027
377390399374373,1cyclictest3778196-21kworker/7:008:45:027
377390399374373,1cyclictest0-21swapper/712:03:017
377390399374373,1cyclictest0-21swapper/710:47:027
377390399374372,1cyclictest3834839-21kworker/7:111:39:027
377390399374372,1cyclictest0-21swapper/712:17:027
377390399374372,1cyclictest0-21swapper/710:53:017
377390399374372,1cyclictest0-21swapper/707:19:027
377390399373372,1cyclictest3834839-21kworker/7:110:12:027
377390399373372,1cyclictest3834839-21kworker/7:109:24:027
377390399373372,1cyclictest0-21swapper/711:56:027
377390399373372,1cyclictest0-21swapper/711:09:027
377390399373372,1cyclictest0-21swapper/710:24:027
377390399373372,1cyclictest0-21swapper/709:59:027
377390399373372,1cyclictest0-21swapper/707:48:027
377390399373371,1cyclictest3834839-21kworker/7:111:26:027
377390399373371,1cyclictest0-21swapper/712:14:017
377390399373371,1cyclictest0-21swapper/710:16:027
377390399373371,1cyclictest0-21swapper/709:16:027
377390399372371,1cyclictest0-21swapper/709:32:027
377390399372371,1cyclictest0-21swapper/708:44:017
377390399372370,1cyclictest0-21swapper/707:56:027
377390399371370,1cyclictest3778196-21kworker/7:007:44:027
377385099349348,1cyclictest4078451-21kworker/0:307:15:020
377389099345344,1cyclictest3864934-21kworker/5:210:40:025
377389099345344,1cyclictest0-21swapper/508:31:025
377389099342341,1cyclictest2789260-21kworker/5:207:45:025
377389099342341,1cyclictest0-21swapper/511:04:015
377389099342341,1cyclictest0-21swapper/511:04:015
377389099342341,1cyclictest0-21swapper/509:22:025
377385099342341,1cyclictest4078451-21kworker/0:310:54:020
377385099342341,1cyclictest4078451-21kworker/0:309:25:020
377389099341340,1cyclictest3934127-21kworker/5:212:18:015
377389099341340,1cyclictest0-21swapper/510:01:025
377389099341340,1cyclictest0-21swapper/509:50:025
377389099341340,1cyclictest0-21swapper/507:24:025
377389099341339,1cyclictest0-21swapper/508:19:025
377389099340339,1cyclictest0-21swapper/511:38:015
377389099340339,1cyclictest0-21swapper/511:07:025
377389099340339,1cyclictest0-21swapper/510:50:025
377389099340339,1cyclictest0-21swapper/509:34:025
377389099340339,1cyclictest0-21swapper/507:58:025
377385099340338,2cyclictest0-21swapper/008:25:020
377389099339338,1cyclictest0-21swapper/512:39:025
377389099339338,1cyclictest0-21swapper/512:06:025
377389099339338,1cyclictest0-21swapper/511:52:025
377389099339338,1cyclictest0-21swapper/511:28:015
377389099339338,1cyclictest0-21swapper/511:19:025
377389099339338,1cyclictest0-21swapper/510:18:025
377389099339338,1cyclictest0-21swapper/509:37:025
377389099339338,1cyclictest0-21swapper/509:37:025
377389099339338,1cyclictest0-21swapper/509:05:025
377389099339338,1cyclictest0-21swapper/507:42:025
377389099339338,1cyclictest0-21swapper/507:12:025
377389099339337,1cyclictest0-21swapper/512:29:015
377389099339337,1cyclictest0-21swapper/511:47:015
377389099339337,1cyclictest0-21swapper/509:46:025
377389099339337,1cyclictest0-21swapper/508:04:025
377385099339338,1cyclictest4078451-21kworker/0:307:35:010
377385099339338,1cyclictest0-21swapper/011:05:010
377385099339338,1cyclictest0-21swapper/009:55:020
377389099338337,1cyclictest3825825-21kworker/5:108:41:025
377389099338337,1cyclictest0-21swapper/511:41:015
377389099338337,1cyclictest0-21swapper/511:11:025
377389099338337,1cyclictest0-21swapper/509:26:025
377389099338337,1cyclictest0-21swapper/508:56:015
377389099338337,1cyclictest0-21swapper/507:51:025
377389099338337,1cyclictest0-21swapper/507:38:025
377389099338337,1cyclictest0-21swapper/507:31:015
377389099338336,1cyclictest0-21swapper/512:13:015
377385099338337,1cyclictest0-21swapper/011:35:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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