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2026-09-01 - 21:08
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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 Sep 01, 2026 12:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37465924380,6sleep60-21swapper/607:05:266
37569799366365,1cyclictest0-21swapper/707:55:027
37565699365363,1cyclictest0-21swapper/207:44:012
37569099363358,2cyclictest372508-21kworker/6:207:44:026
37569799362360,1cyclictest0-21swapper/710:35:027
37569799361359,1cyclictest397336-21kworker/7:008:05:027
37569799360358,1cyclictest0-21swapper/712:23:027
37569799360358,1cyclictest0-21swapper/711:15:027
37569799360358,1cyclictest0-21swapper/710:15:027
37569799359358,1cyclictest0-21swapper/711:41:027
37569799358357,1cyclictest0-21swapper/709:07:017
37569799358356,1cyclictest566013-21kworker/7:212:35:017
37569799358356,1cyclictest508546-21kworker/7:011:45:017
37569799357355,1cyclictest508546-21kworker/7:010:59:027
37569799357355,1cyclictest421627-21kworker/7:210:07:027
37569799357355,1cyclictest330909-21kworker/7:207:25:027
37569799357354,1cyclictest508546-21kworker/7:011:03:027
37569799355353,1cyclictest508546-21kworker/7:011:31:027
37569799355353,1cyclictest508546-21kworker/7:010:51:027
37569799355353,1cyclictest421627-21kworker/7:210:41:027
37569799355353,1cyclictest421627-21kworker/7:210:33:027
37569799355353,1cyclictest421627-21kworker/7:210:27:027
37569799355353,1cyclictest421627-21kworker/7:209:47:017
37569799355353,1cyclictest421627-21kworker/7:209:39:027
37569799355353,1cyclictest421627-21kworker/7:208:53:027
37569799355353,1cyclictest330909-21kworker/7:207:37:027
37569799355353,1cyclictest330909-21kworker/7:207:17:017
37569799354352,1cyclictest508546-21kworker/7:011:59:027
37569799354352,1cyclictest421627-21kworker/7:208:47:027
37569799354352,1cyclictest421627-21kworker/7:208:31:027
37569799353351,1cyclictest508546-21kworker/7:012:17:027
37569799353351,1cyclictest508546-21kworker/7:010:49:027
37569799353351,1cyclictest421627-21kworker/7:210:23:027
37569799353351,1cyclictest421627-21kworker/7:209:01:027
37569799353351,1cyclictest397336-21kworker/7:008:21:017
37569799353351,1cyclictest330909-21kworker/7:207:11:027
37569799352350,1cyclictest508546-21kworker/7:011:37:027
37569799352350,1cyclictest397336-21kworker/7:007:53:027
37569799352350,1cyclictest0-21swapper/712:34:017
37569799352350,1cyclictest0-21swapper/708:39:027
37569799351350,1cyclictest63-21ksoftirqd/712:11:027
37569799351350,1cyclictest421627-21kworker/7:208:41:027
37569799350349,1cyclictest421627-21kworker/7:209:27:027
37569799350348,1cyclictest0-21swapper/712:26:027
37569799348346,1cyclictest330909-21kworker/7:207:30:027
37569799345344,1cyclictest0-21swapper/709:54:017
37569799345343,1cyclictest0-21swapper/710:02:017
37569799345343,1cyclictest0-21swapper/709:13:027
37569799344343,1cyclictest0-21swapper/707:20:017
37569799344342,1cyclictest421627-21kworker/7:209:41:027
37569799343342,1cyclictest421627-21kworker/7:209:15:027
37569799343342,1cyclictest0-21swapper/712:00:027
37569799342341,1cyclictest0-21swapper/711:20:027
37569799341340,1cyclictest0-21swapper/709:34:027
37569799341340,1cyclictest0-21swapper/708:56:027
37569799340338,1cyclictest0-21swapper/707:42:027
37569799339338,1cyclictest0-21swapper/710:11:027
37569799337336,1cyclictest421627-21kworker/7:209:59:017
37567599325324,1cyclictest0-21swapper/409:35:024
37567599322321,1cyclictest572027-21kworker/4:212:35:014
37567599322321,1cyclictest0-21swapper/410:25:024
37567599321320,1cyclictest0-21swapper/411:47:024
37567599321320,1cyclictest0-21swapper/410:59:014
37567599321319,1cyclictest632498-21kworker/4:107:15:024
37567599321319,1cyclictest0-21swapper/408:33:024
37567599320319,1cyclictest0-21swapper/411:03:014
37567599320319,1cyclictest0-21swapper/410:33:014
37567599320318,1cyclictest632498-21kworker/4:108:53:014
37567599320318,1cyclictest632498-21kworker/4:107:37:024
37567599319318,1cyclictest496809-21kworker/4:011:31:024
37567599319317,1cyclictest632498-21kworker/4:107:33:024
37567599318317,1cyclictest0-21swapper/412:17:024
37567599318316,1cyclictest632498-21kworker/4:108:41:024
37567599318316,1cyclictest496809-21kworker/4:010:49:024
37567599318316,1cyclictest442664-21kworker/4:009:04:014
37567599317316,1cyclictest632498-21kworker/4:107:53:024
37567599317316,1cyclictest496809-21kworker/4:011:37:024
37567599317316,1cyclictest0-21swapper/412:33:014
37567599317316,1cyclictest0-21swapper/408:00:024
37567599317315,1cyclictest0-21swapper/409:10:024
37567599316315,1cyclictest496809-21kworker/4:011:19:024
37567599316314,1cyclictest496809-21kworker/4:010:53:014
37567599316314,1cyclictest0-21swapper/411:54:024
37567599316313,2cyclictest0-21swapper/409:18:024
37567599315314,1cyclictest451705-21kworker/4:209:27:024
37567599315313,1cyclictest632498-21kworker/4:107:41:024
37567599314313,1cyclictest0-21swapper/411:09:024
37567599314313,1cyclictest0-21swapper/408:13:024
37567599313312,1cyclictest632498-21kworker/4:108:07:024
37567599310309,1cyclictest0-21swapper/407:58:024
37567599310308,1cyclictest496809-21kworker/4:012:01:014
37567599310308,1cyclictest496809-21kworker/4:011:25:024
37567599310308,1cyclictest451705-21kworker/4:209:40:024
37567599309308,1cyclictest496809-21kworker/4:010:40:024
37567599309308,1cyclictest375534-21kworker/4:207:10:024
37565699309307,1cyclictest0-21swapper/208:05:022
37567599308307,1cyclictest451705-21kworker/4:210:04:024
37567599308307,1cyclictest451705-21kworker/4:209:56:014
37567599308307,1cyclictest0-21swapper/409:05:014
37567599308307,1cyclictest0-21swapper/407:22:014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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