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2026-04-29 - 15:20
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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 Wed Apr 29, 2026 12:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139009999381379,1cyclictest1240657-21kworker/0:310:57:020
139009999381379,1cyclictest1240657-21kworker/0:310:31:020
139009999381379,1cyclictest1240657-21kworker/0:310:07:020
139009999381379,1cyclictest1240657-21kworker/0:307:49:010
139009999380379,1cyclictest1240657-21kworker/0:308:57:020
139009999380379,1cyclictest1240657-21kworker/0:308:06:020
139009999379378,1cyclictest1240657-21kworker/0:312:26:010
139009999379378,1cyclictest1240657-21kworker/0:312:17:020
139009999379378,1cyclictest1240657-21kworker/0:311:54:020
139009999379378,1cyclictest1240657-21kworker/0:309:12:020
139009999379378,1cyclictest1240657-21kworker/0:308:13:020
139009999379377,1cyclictest1240657-21kworker/0:307:31:020
139009999378377,1cyclictest1240657-21kworker/0:309:53:020
139011699370369,1cyclictest1414948-21kworker/2:208:30:012
139011699369367,1cyclictest1355055-21kworker/2:007:15:022
139011699368367,1cyclictest1414948-21kworker/2:210:35:012
139011699367366,1cyclictest0-21swapper/209:45:012
139011699367365,1cyclictest1414948-21kworker/2:208:55:022
139011699366365,1cyclictest1414948-21kworker/2:208:45:022
139011699366365,1cyclictest0-21swapper/208:25:012
139011699365364,1cyclictest0-21swapper/208:40:022
139011699365363,1cyclictest0-21swapper/208:50:022
139011699365363,1cyclictest0-21swapper/208:50:022
139011699365363,1cyclictest0-21swapper/208:35:022
139011699364363,1cyclictest1414948-21kworker/2:210:50:022
139011699364363,1cyclictest1414948-21kworker/2:209:10:022
139011699364363,1cyclictest1414948-21kworker/2:208:20:012
139011699364363,1cyclictest0-21swapper/207:25:012
139011699363362,1cyclictest1526310-21kworker/2:111:41:022
139011699363362,1cyclictest1414948-21kworker/2:208:11:022
139011699363362,1cyclictest1414948-21kworker/2:208:03:022
139011699361360,1cyclictest1526310-21kworker/2:111:29:012
139011699361360,1cyclictest1526310-21kworker/2:111:18:012
139011699361360,1cyclictest1526310-21kworker/2:111:12:012
139011699361360,1cyclictest1355055-21kworker/2:007:34:012
139011699361360,1cyclictest1355055-21kworker/2:007:23:022
139011699361360,1cyclictest1355055-21kworker/2:007:23:022
139011699361360,1cyclictest0-21swapper/212:29:022
139011699361359,1cyclictest1355055-21kworker/2:007:14:012
139011699360359,1cyclictest1526310-21kworker/2:111:38:022
139011699360359,1cyclictest1526310-21kworker/2:111:33:012
139011699360359,1cyclictest1526310-21kworker/2:111:21:012
139011699360359,1cyclictest1414948-21kworker/2:210:09:022
139011699360359,1cyclictest1414948-21kworker/2:210:04:022
139011699360359,1cyclictest1414948-21kworker/2:209:51:012
139011699360359,1cyclictest1414948-21kworker/2:209:08:022
139011699360359,1cyclictest0-21swapper/211:59:022
139011699360358,1cyclictest1414948-21kworker/2:210:26:022
139011699359358,1cyclictest1526310-21kworker/2:111:07:022
139011699359358,1cyclictest1414948-21kworker/2:209:17:022
139011699359358,1cyclictest1414948-21kworker/2:208:16:012
139011699359358,1cyclictest0-21swapper/210:14:022
139011699358357,1cyclictest1526310-21kworker/2:112:08:012
139015299350348,1cyclictest0-21swapper/712:35:027
139015299349348,1cyclictest1354804-21kworker/7:108:28:017
139015299348347,1cyclictest1550389-21kworker/7:111:39:027
139015299348346,1cyclictest1538357-21kworker/7:012:27:027
139015299347346,1cyclictest1354804-21kworker/7:109:33:027
139015299347346,1cyclictest0-21swapper/711:13:017
139015299346345,1cyclictest1550389-21kworker/7:112:10:027
139015299346345,1cyclictest1354804-21kworker/7:110:01:027
139015299346345,1cyclictest1354804-21kworker/7:109:38:027
139015299346344,1cyclictest1538357-21kworker/7:012:33:027
139015299346344,1cyclictest1538357-21kworker/7:011:30:017
139015299346344,1cyclictest0-21swapper/711:56:017
139015299346344,1cyclictest0-21swapper/710:17:027
139015299346344,1cyclictest0-21swapper/710:17:027
139015299345344,1cyclictest1354804-21kworker/7:109:28:027
139015299345344,1cyclictest1354804-21kworker/7:107:46:027
139015299345344,1cyclictest0-21swapper/712:20:027
139015299345344,1cyclictest0-21swapper/710:45:027
139015299345344,1cyclictest0-21swapper/709:56:027
139015299345343,1cyclictest0-21swapper/712:15:027
139015299345343,1cyclictest0-21swapper/707:58:027
139015299345343,1cyclictest0-21swapper/707:10:017
139015299344343,1cyclictest1499246-21kworker/7:211:01:027
139015299344343,1cyclictest1354804-21kworker/7:107:20:027
139015299344343,1cyclictest1354804-21kworker/7:107:20:017
139015299344341,2cyclictest1354804-21kworker/7:107:43:027
139015299343342,1cyclictest1538357-21kworker/7:011:19:017
139015299343342,1cyclictest1354804-21kworker/7:107:35:027
139015299343342,1cyclictest0-21swapper/709:20:027
139015299343342,1cyclictest0-21swapper/709:15:017
139015299343342,1cyclictest0-21swapper/708:05:027
139015299343341,1cyclictest1354804-21kworker/7:109:01:027
139015299342341,1cyclictest1354804-21kworker/7:107:16:017
139015299342341,1cyclictest0-21swapper/708:12:027
139015299342340,1cyclictest1354804-21kworker/7:108:01:027
139015299341340,1cyclictest1354804-21kworker/7:108:56:027
139015299341340,1cyclictest1354804-21kworker/7:108:21:027
139015299341340,1cyclictest0-21swapper/712:01:017
139015299341340,1cyclictest0-21swapper/711:24:017
139015299341340,1cyclictest0-21swapper/708:18:027
139015299341340,1cyclictest0-21swapper/707:52:027
139015299341340,1cyclictest0-21swapper/707:29:027
139015299341339,2cyclictest1499246-21kworker/7:210:44:027
139015299341339,1cyclictest1354804-21kworker/7:109:42:017
139015299340339,1cyclictest1499246-21kworker/7:210:23:027
139015299340339,1cyclictest1354804-21kworker/7:108:38:027
139015299340339,1cyclictest1354804-21kworker/7:108:32:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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