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2026-01-09 - 09:45
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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 Jan 09, 2026 00:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252099424670,3sleep335-21ksoftirqd/319:05:183
252251399357356,1cyclictest2577448-21kworker/7:221:35:027
252251399319317,1cyclictest0-21swapper/722:09:027
252246799317316,1cyclictest0-21swapper/121:35:021
252251399313312,1cyclictest0-21swapper/721:33:027
252251399312310,1cyclictest0-21swapper/721:49:017
252248599312310,1cyclictest0-21swapper/321:35:013
252251399311309,1cyclictest0-21swapper/723:27:017
252251399309307,1cyclictest2522361-21kworker/7:219:15:027
252251399308306,1cyclictest2753612-21kworker/7:023:39:027
252251399307306,1cyclictest0-21swapper/723:13:027
252251399307306,1cyclictest0-21swapper/721:13:017
252251399307306,1cyclictest0-21swapper/721:13:017
252251399307306,1cyclictest0-21swapper/720:45:017
252251399305304,1cyclictest63-21ksoftirqd/719:43:027
252251399305304,1cyclictest63-21ksoftirqd/719:43:027
252251399304303,1cyclictest0-21swapper/720:53:027
252251399304302,1cyclictest2522361-21kworker/7:219:45:027
252251399302301,1cyclictest0-21swapper/719:10:027
252251399301300,1cyclictest2577448-21kworker/7:221:03:027
252251399300298,1cyclictest2577448-21kworker/7:220:59:027
252251399300298,1cyclictest2565085-21kworker/7:020:41:017
252251399300298,1cyclictest2565085-21kworker/7:020:17:027
252251399300298,1cyclictest0-21swapper/722:25:027
252251399299297,1cyclictest0-21swapper/719:51:027
252251399299297,1cyclictest0-21swapper/719:21:027
252251399298297,1cyclictest0-21swapper/719:57:027
252251399298296,1cyclictest2522361-21kworker/7:220:13:017
252251399298296,1cyclictest0-21swapper/722:23:027
252251399298296,1cyclictest0-21swapper/700:16:027
252251399297296,1cyclictest2753612-21kworker/7:000:00:027
252251399297296,1cyclictest2753612-21kworker/7:000:00:017
252251399297295,1cyclictest0-21swapper/721:20:027
252251399296294,1cyclictest0-21swapper/723:34:027
252251399295294,1cyclictest2753612-21kworker/7:000:35:027
252251399295294,1cyclictest2577448-21kworker/7:221:17:017
252251399295294,1cyclictest2565883-1kworker/u17:223:20:017
252251399295294,1cyclictest2522361-21kworker/7:220:00:017
252251399295293,2cyclictest2753612-21kworker/7:000:20:027
252251399295293,1cyclictest0-21swapper/722:48:027
252251399295292,2cyclictest2577448-21kworker/7:221:51:017
252251399294293,1cyclictest0-21swapper/722:03:027
252251399294292,1cyclictest2577448-21kworker/7:221:56:027
252251399293292,1cyclictest2753612-21kworker/7:000:13:027
252251399293292,1cyclictest0-21swapper/723:00:027
252251399293291,1cyclictest2577448-21kworker/7:223:06:027
252251399293291,1cyclictest0-21swapper/723:19:017
252251399293291,1cyclictest0-21swapper/700:31:017
252251399292291,1cyclictest2522361-21kworker/7:219:25:017
252251399291290,1cyclictest0-21swapper/720:35:027
252251399290288,1cyclictest2577448-21kworker/7:222:57:027
252251399290288,1cyclictest2522361-21kworker/7:220:05:017
252251399288287,1cyclictest2565085-21kworker/7:020:33:027
252251399286284,1cyclictest2577448-21kworker/7:221:06:027
252251399284283,1cyclictest2565085-21kworker/7:020:22:027
252251399283282,1cyclictest2565085-21kworker/7:020:26:027
252249399282280,1cyclictest0-21swapper/400:15:024
252249399281279,1cyclictest2675483-21kworker/4:222:51:024
252246799279277,1cyclictest0-21swapper/122:09:021
252249399278276,1cyclictest2655801-21kworker/4:022:13:014
252249399278276,1cyclictest0-21swapper/423:55:024
252249399277275,1cyclictest0-21swapper/419:15:024
252249399276275,1cyclictest0-21swapper/422:45:024
252249399276274,1cyclictest0-21swapper/423:43:014
252249399276273,2cyclictest2675483-21kworker/4:222:27:024
252249399275274,1cyclictest0-21swapper/423:53:024
252249399275274,1cyclictest0-21swapper/423:39:024
252249399275274,1cyclictest0-21swapper/421:25:024
252250699273270,1cyclictest0-21swapper/621:58:026
252250699273269,2cyclictest2825084-21sh00:15:026
252249399273272,1cyclictest2655801-21kworker/4:022:02:024
252249399273271,1cyclictest0-21swapper/422:56:024
252246799273272,1cyclictest0-21swapper/122:41:021
252246799273271,1cyclictest0-21swapper/121:33:021
252249399272271,1cyclictest0-21swapper/423:46:014
252248599272271,1cyclictest2595511-21kworker/3:122:09:013
252246799272270,1cyclictest0-21swapper/122:51:021
252246799272270,1cyclictest0-21swapper/121:23:021
252250699271270,1cyclictest2568421-21kworker/6:221:23:026
252250199271270,1cyclictest2624059-21kworker/5:221:35:025
252249399271270,1cyclictest0-21swapper/422:42:024
252246799271269,1cyclictest0-21swapper/123:03:021
252246799271268,2cyclictest0-21swapper/100:15:021
252249399270269,1cyclictest0-21swapper/419:45:024
252249399270268,1cyclictest0-21swapper/419:56:014
252246799270269,1cyclictest2639048-21kworker/1:222:01:021
252246799270268,1cyclictest0-21swapper/100:01:011
252246799270268,1cyclictest0-21swapper/100:01:011
252250699269267,1cyclictest0-21swapper/600:01:016
252250699269267,1cyclictest0-21swapper/600:01:016
252249399269268,1cyclictest0-21swapper/422:06:024
252249399269267,1cyclictest0-21swapper/423:14:014
252249399269267,1cyclictest0-21swapper/400:28:014
252246799269268,1cyclictest2784255-21kworker/1:021:43:021
252246799269267,1cyclictest0-21swapper/123:27:021
252249399268267,1cyclictest0-21swapper/421:18:024
252249399268266,1cyclictest2675483-21kworker/4:200:07:014
252249399268266,1cyclictest0-21swapper/422:20:024
252249399268266,1cyclictest0-21swapper/419:51:024
252248599268266,1cyclictest2595511-21kworker/3:121:33:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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