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2026-06-16 - 22:33
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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 Jun 16, 2026 12:46:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1992940993810,380cyclictest0-21swapper/207:55:022
1992940993810,380cyclictest0-21swapper/207:50:022
199294099380378,1cyclictest2020521-21kworker/2:211:13:012
1992940993800,379cyclictest0-21swapper/211:00:022
1992940993800,379cyclictest0-21swapper/210:20:022
1992940993800,379cyclictest0-21swapper/208:50:022
1992940993800,379cyclictest0-21swapper/208:10:012
199294099379378,1cyclictest2020521-21kworker/2:208:35:022
199294099379378,1cyclictest0-21swapper/209:19:012
1992940993790,1cyclictest0-21swapper/211:45:012
199294099378377,1cyclictest0-21swapper/212:31:012
199294099378377,1cyclictest0-21swapper/211:53:022
199294099378377,1cyclictest0-21swapper/210:03:022
199294099378377,1cyclictest0-21swapper/207:13:022
199294099378376,1cyclictest0-21swapper/211:37:022
199294099378376,1cyclictest0-21swapper/211:37:012
199294099377376,1cyclictest2020521-21kworker/2:211:33:012
199294099377376,1cyclictest0-21swapper/212:07:012
199294099377376,1cyclictest0-21swapper/211:41:022
199294099377376,1cyclictest0-21swapper/210:26:012
199294099377376,1cyclictest0-21swapper/209:47:022
199294099377376,1cyclictest0-21swapper/208:46:022
199294099377376,1cyclictest0-21swapper/208:24:022
199294099376375,1cyclictest2135135-21kworker/2:111:05:012
199294099376375,1cyclictest0-21swapper/212:27:022
199294099376375,1cyclictest0-21swapper/208:07:022
199294099376375,1cyclictest0-21swapper/207:44:012
199294099376374,1cyclictest2020521-21kworker/2:211:25:012
199294099376374,1cyclictest2020521-21kworker/2:210:06:022
199294099376374,1cyclictest2020521-21kworker/2:210:06:012
199294099376374,1cyclictest2020521-21kworker/2:209:07:012
199294099376374,1cyclictest2020521-21kworker/2:208:25:012
199294099376374,1cyclictest0-21swapper/210:44:022
199294099375374,1cyclictest2239020-21kworker/2:007:20:012
199294099375374,1cyclictest2020521-21kworker/2:212:20:022
199294099375374,1cyclictest2020521-21kworker/2:209:26:012
199294099375374,1cyclictest0-21swapper/209:54:022
199294099374373,1cyclictest0-21swapper/211:22:012
199294099374373,1cyclictest0-21swapper/210:49:022
199294099374373,1cyclictest0-21swapper/210:34:012
199294099374372,1cyclictest2020521-21kworker/2:209:33:012
199294099373372,1cyclictest2239020-21kworker/2:007:27:012
199294099373372,1cyclictest0-21swapper/212:18:012
199294099373372,1cyclictest0-21swapper/212:13:012
199294099373372,1cyclictest0-21swapper/209:01:012
199294099373371,1cyclictest2239020-21kworker/2:007:39:012
199294099373371,1cyclictest2239020-21kworker/2:007:19:022
199294099373371,1cyclictest2239020-21kworker/2:007:19:012
199294099373371,1cyclictest2020521-21kworker/2:208:57:022
199294099373371,1cyclictest2020521-21kworker/2:208:32:022
199294099372371,1cyclictest0-21swapper/212:37:012
199294099372370,1cyclictest2020521-21kworker/2:211:58:012
199294099372370,1cyclictest2020521-21kworker/2:209:41:022
199294099371370,1cyclictest2239020-21kworker/2:007:47:012
199294099371370,1cyclictest2020521-21kworker/2:209:37:012
199292799324323,1cyclictest0-21swapper/011:57:020
199292799296294,1cyclictest0-21swapper/008:27:010
199294799293292,1cyclictest0-21swapper/308:39:013
199294799293291,1cyclictest0-21swapper/309:25:023
199294799292291,1cyclictest0-21swapper/307:10:023
199294799291290,1cyclictest0-21swapper/311:50:023
199294799291290,1cyclictest0-21swapper/311:01:023
199294799291290,1cyclictest0-21swapper/310:10:013
199294799291290,1cyclictest0-21swapper/309:10:023
199294799291289,1cyclictest0-21swapper/308:30:023
199294799290289,1cyclictest0-21swapper/310:39:013
199294799290289,1cyclictest0-21swapper/309:51:013
199294799290288,1cyclictest0-21swapper/310:47:013
199294799289288,1cyclictest0-21swapper/312:24:013
199294799289288,1cyclictest0-21swapper/310:52:013
199294799289288,1cyclictest0-21swapper/309:32:023
199294799288287,1cyclictest0-21swapper/312:04:023
199294799287286,1cyclictest2056928-21kworker/3:209:45:013
199294799287286,1cyclictest2020835-21kworker/3:208:03:023
199294799287286,1cyclictest0-21swapper/308:28:023
199294799287284,3cyclictest2056928-21kworker/3:210:31:023
199292799287286,1cyclictest0-21swapper/008:05:020
199294799286285,1cyclictest2056928-21kworker/3:211:55:023
199294799286285,1cyclictest0-21swapper/307:43:023
199292799286285,1cyclictest0-21swapper/011:15:020
199294799285284,1cyclictest2056928-21kworker/3:212:15:013
199294799285284,1cyclictest2050907-21kworker/3:008:48:013
199294799285284,1cyclictest2011789-21kworker/3:007:45:023
199294799285284,1cyclictest0-21swapper/308:44:013
199294799285284,1cyclictest0-21swapper/308:44:013
199294799285283,1cyclictest2056928-21kworker/3:211:08:023
199294799285283,1cyclictest0-21swapper/307:37:023
199294799284283,1cyclictest2056928-21kworker/3:211:19:023
199294799284283,1cyclictest2056928-21kworker/3:210:25:023
199294799284283,1cyclictest0-21swapper/311:44:023
199294799284283,1cyclictest0-21swapper/311:26:023
199294799284283,1cyclictest0-21swapper/311:14:023
199294799284283,1cyclictest0-21swapper/310:58:023
199294799284283,1cyclictest0-21swapper/310:41:013
199294799284283,1cyclictest0-21swapper/310:22:013
199294799284283,1cyclictest0-21swapper/308:51:013
199294799284283,1cyclictest0-21swapper/307:31:023
199294799284283,1cyclictest0-21swapper/307:21:023
199294799284282,1cyclictest2020835-21kworker/3:208:12:023
199292799284283,1cyclictest0-21swapper/011:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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