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2026-04-29 - 17:49
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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 50 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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