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2026-01-05 - 02:52
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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 Sun Jan 04, 2026 12:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
77883599390389,1cyclictest0-21swapper/707:10:027
778828993810,380cyclictest0-21swapper/610:05:026
77881499381380,1cyclictest857836-21kworker/4:210:21:024
778814993810,380cyclictest0-21swapper/411:13:024
778814993810,380cyclictest0-21swapper/409:54:024
778814993810,380cyclictest0-21swapper/408:38:014
778809993810,380cyclictest0-21swapper/311:55:023
778809993810,380cyclictest0-21swapper/309:33:023
778809993810,1cyclictest0-21swapper/311:17:023
778828993800,379cyclictest0-21swapper/610:56:016
778828993800,379cyclictest0-21swapper/609:46:026
77882199380378,1cyclictest2249506-21kworker/5:012:20:015
77882199380378,1cyclictest2249506-21kworker/5:009:50:025
77882199380378,1cyclictest0-21swapper/510:30:025
778821993800,379cyclictest0-21swapper/511:31:025
778821993800,1cyclictest0-21swapper/507:45:015
77881499380379,1cyclictest857836-21kworker/4:210:07:024
778814993800,379cyclictest0-21swapper/410:57:024
778814993800,379cyclictest0-21swapper/410:28:024
778814993800,379cyclictest0-21swapper/410:03:024
778814993800,379cyclictest0-21swapper/407:33:024
77880999380379,1cyclictest866859-21kworker/3:112:17:023
77880999380379,1cyclictest866859-21kworker/3:111:49:023
77880999380379,1cyclictest866859-21kworker/3:110:51:023
77880999380379,1cyclictest818735-21kworker/3:209:02:013
77880999380379,1cyclictest1047258-21kworker/3:107:57:023
77880999380378,1cyclictest818735-21kworker/3:208:16:023
778809993800,379cyclictest0-21swapper/308:23:023
77882899379377,1cyclictest884930-21kworker/6:010:15:016
77882899379377,1cyclictest781824-21kworker/6:108:30:016
77882899379377,1cyclictest781824-21kworker/6:108:10:026
778828993790,379cyclictest0-21swapper/612:00:026
778828993790,379cyclictest0-21swapper/609:31:016
778828993790,379cyclictest0-21swapper/607:30:026
77882199379377,1cyclictest2249506-21kworker/5:008:56:025
77882199379376,2cyclictest97550irq/166-enp0s3111:59:025
77881499379378,1cyclictest930050-21kworker/4:011:46:024
77881499379378,1cyclictest857836-21kworker/4:211:08:014
77881499379378,1cyclictest857836-21kworker/4:210:42:024
778814993790,378cyclictest0-21swapper/412:18:024
778814993790,378cyclictest0-21swapper/407:51:024
77880999379378,1cyclictest866859-21kworker/3:111:05:023
77880999379378,1cyclictest866859-21kworker/3:110:58:013
77880999379378,1cyclictest866859-21kworker/3:110:29:013
77880999379378,1cyclictest866859-21kworker/3:110:19:013
77880999379378,1cyclictest866859-21kworker/3:109:49:023
77880999379378,1cyclictest818735-21kworker/3:208:36:023
77880999379378,1cyclictest1047258-21kworker/3:108:07:023
77880999379378,1cyclictest1047258-21kworker/3:107:44:023
77880999379378,1cyclictest1047258-21kworker/3:107:44:023
77880999379377,2cyclictest866859-21kworker/3:110:09:023
77880999379377,1cyclictest866859-21kworker/3:112:21:023
77880999379377,1cyclictest1047258-21kworker/3:107:37:023
778809993790,378cyclictest0-21swapper/307:46:023
778809993790,1cyclictest0-21swapper/311:10:023
77883599378376,1cyclictest0-21swapper/711:34:027
77883599378376,1cyclictest0-21swapper/709:55:027
77882899378377,1cyclictest0-21swapper/611:39:016
77882899378377,1cyclictest0-21swapper/609:58:016
77882899378376,1cyclictest781824-21kworker/6:107:15:026
77882899378376,1cyclictest0-21swapper/611:41:016
77882899378376,1cyclictest0-21swapper/607:58:026
77882199378377,1cyclictest2249506-21kworker/5:008:51:015
77882199378377,1cyclictest2249506-21kworker/5:008:00:025
778814993780,0cyclictest0-21swapper/412:34:024
77880999378377,1cyclictest866859-21kworker/3:109:37:023
77880999378377,1cyclictest1047258-21kworker/3:107:52:023
77880999378377,1cyclictest0-21swapper/309:51:023
77880999378377,1cyclictest0-21swapper/309:11:023
77880999378377,1cyclictest0-21swapper/309:11:023
77880999378376,1cyclictest0-21swapper/307:32:023
77883599377376,1cyclictest0-21swapper/709:20:027
77883599377375,1cyclictest0-21swapper/711:09:017
77883599377375,1cyclictest0-21swapper/707:19:027
77882899377376,1cyclictest0-21swapper/609:28:016
77882899377376,1cyclictest0-21swapper/608:21:026
77882899377375,1cyclictest0-21swapper/608:58:026
77882199377376,1cyclictest2249506-21kworker/5:009:36:025
77882199377376,1cyclictest2249506-21kworker/5:008:20:025
77882199377376,1cyclictest2249506-21kworker/5:008:17:015
77882199377376,1cyclictest2249506-21kworker/5:008:12:015
77882199377376,1cyclictest0-21swapper/507:56:025
77882199377376,1cyclictest0-21swapper/507:17:025
77882199377376,1cyclictest0-21swapper/507:11:025
77882199377374,2cyclictest0-21swapper/510:16:025
77880999377376,1cyclictest1047258-21kworker/3:108:02:023
77880999377376,1cyclictest0-21swapper/311:26:023
77880999377376,1cyclictest0-21swapper/310:24:023
77883599376375,1cyclictest0-21swapper/709:45:027
77883599376375,1cyclictest0-21swapper/709:40:017
77882899376375,1cyclictest0-21swapper/610:44:016
77882899376375,1cyclictest0-21swapper/609:53:026
77882899376375,1cyclictest0-21swapper/608:18:026
77882899376375,1cyclictest0-21swapper/608:08:026
77882899376374,1cyclictest781824-21kworker/6:109:21:026
77882899376374,1cyclictest781824-21kworker/6:108:37:026
77882199376375,1cyclictest911992-21kworker/5:111:07:025
77882199376375,1cyclictest2249506-21kworker/5:012:27:015
77882199376375,1cyclictest2249506-21kworker/5:011:25:015
77882199376375,1cyclictest2249506-21kworker/5:010:46:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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