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2026-01-04 - 01:24
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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 Sat Jan 03, 2026 12:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38602899380376,1cyclictest522046-21systemd-userwor10:55:015
38600799380378,1cyclictest0-21swapper/207:10:012
38602899377375,1cyclictest0-21swapper/512:27:015
38600799374373,1cyclictest474063-21kworker/2:209:45:012
38600799373372,1cyclictest507169-21kworker/2:110:35:012
38602899372369,3cyclictest0-21swapper/508:40:025
38600799372370,1cyclictest0-21swapper/211:46:012
38602899371370,1cyclictest0-21swapper/507:15:015
38602899371369,1cyclictest388947-21kworker/5:207:55:025
38600799371370,1cyclictest507169-21kworker/2:111:00:012
38602899370369,1cyclictest0-21swapper/511:35:015
38602899370369,1cyclictest0-21swapper/509:55:015
38602899370369,1cyclictest0-21swapper/509:12:025
38602899370369,1cyclictest0-21swapper/508:45:025
38602899370368,1cyclictest0-21swapper/509:35:025
38600799370369,1cyclictest507169-21kworker/2:110:52:022
38600799370369,1cyclictest0-21swapper/212:00:012
38600799370369,1cyclictest0-21swapper/210:05:022
38600799370368,1cyclictest507169-21kworker/2:111:26:022
38600799370368,1cyclictest0-21swapper/210:20:012
38600799370368,1cyclictest0-21swapper/210:10:022
38602899369368,1cyclictest674987-21kworker/5:112:01:015
38602899369368,1cyclictest579371-21kworker/5:012:35:015
38602899369368,1cyclictest0-21swapper/509:08:025
38600799369368,1cyclictest474063-21kworker/2:211:55:012
38600799369368,1cyclictest474063-21kworker/2:211:55:012
38600799369368,1cyclictest398861-21kworker/2:008:00:022
38600799369368,1cyclictest0-21swapper/212:30:012
38600799369368,1cyclictest0-21swapper/211:20:022
38600799369368,1cyclictest0-21swapper/209:10:022
38600799369368,1cyclictest0-21swapper/208:25:022
38600799369368,1cyclictest0-21swapper/208:20:022
38600799369367,1cyclictest0-21swapper/208:30:022
38600799369367,1cyclictest0-21swapper/208:10:012
38602899368367,1cyclictest0-21swapper/512:23:015
38602899368367,1cyclictest0-21swapper/512:05:015
38602899368366,1cyclictest0-21swapper/508:13:025
38602899368366,1cyclictest0-21swapper/507:30:025
38600799368367,1cyclictest389021-21kworker/2:207:20:012
38600799368367,1cyclictest0-21swapper/212:07:012
38600799368367,1cyclictest0-21swapper/210:40:012
38600799368367,1cyclictest0-21swapper/209:07:022
38602899367366,1cyclictest0-21swapper/511:56:015
38602899367366,1cyclictest0-21swapper/511:56:015
38602899367366,1cyclictest0-21swapper/511:25:015
38602899367366,1cyclictest0-21swapper/510:50:015
38602899367366,1cyclictest0-21swapper/510:15:025
38602899367365,2cyclictest674987-21kworker/5:110:00:015
38600799367366,1cyclictest398861-21kworker/2:009:03:022
38600799367366,1cyclictest0-21swapper/211:05:022
38600799367366,1cyclictest0-21swapper/207:50:012
38602899366365,1cyclictest503928-21kworker/5:211:01:015
38602899366365,1cyclictest503928-21kworker/5:210:32:025
38602899366365,1cyclictest0-21swapper/507:25:025
38602899366364,2cyclictest0-21swapper/511:08:015
38602899366364,1cyclictest388947-21kworker/5:208:38:025
38602899366364,1cyclictest0-21swapper/511:34:015
38602899366364,1cyclictest0-21swapper/510:29:015
38602899366364,1cyclictest0-21swapper/510:29:015
38600799366365,1cyclictest398861-21kworker/2:009:33:022
38600799366365,1cyclictest0-21swapper/211:52:012
38600799366365,1cyclictest0-21swapper/209:50:012
38600799366365,1cyclictest0-21swapper/209:23:022
38600799366365,1cyclictest0-21swapper/207:48:022
38600799366364,1cyclictest474063-21kworker/2:210:18:022
38600799366364,1cyclictest0-21swapper/212:39:012
38600799366364,1cyclictest0-21swapper/210:33:022
38600799366364,1cyclictest0-21swapper/208:46:022
38600799366364,1cyclictest0-21swapper/207:32:022
38602899365364,1cyclictest674987-21kworker/5:109:40:025
38602899365364,1cyclictest674987-21kworker/5:109:30:025
38602899365364,1cyclictest674987-21kworker/5:109:01:025
38602899365364,1cyclictest503928-21kworker/5:211:43:015
38602899365364,1cyclictest503928-21kworker/5:210:46:015
38602899365364,1cyclictest0-21swapper/511:48:015
38602899365364,1cyclictest0-21swapper/509:29:015
38602899365363,1cyclictest503928-21kworker/5:211:21:015
38602899365363,1cyclictest388947-21kworker/5:208:03:025
38600799365364,1cyclictest474063-21kworker/2:212:11:012
38600799365364,1cyclictest398861-21kworker/2:008:57:022
38600799365364,1cyclictest398861-21kworker/2:007:56:022
38600799365364,1cyclictest398861-21kworker/2:007:44:022
38600799365364,1cyclictest0-21swapper/211:13:022
38600799365364,1cyclictest0-21swapper/210:56:012
38600799365364,1cyclictest0-21swapper/209:41:022
38600799365364,1cyclictest0-21swapper/208:18:022
38600799365364,1cyclictest0-21swapper/208:08:012
38600799365364,1cyclictest0-21swapper/207:38:022
38600799365364,1cyclictest0-21swapper/207:38:022
38600799365364,1cyclictest0-21swapper/207:26:022
38600799365363,1cyclictest0-21swapper/209:27:022
38602899364363,1cyclictest674987-21kworker/5:109:22:025
38602899364363,1cyclictest388947-21kworker/5:208:27:025
38602899364363,1cyclictest388947-21kworker/5:207:36:025
38602899364363,1cyclictest388947-21kworker/5:207:36:025
38602899364363,1cyclictest0-21swapper/511:53:015
38602899364363,1cyclictest0-21swapper/511:18:015
38602899364363,1cyclictest0-21swapper/508:31:025
38602899364362,2cyclictest674987-21kworker/5:109:16:025
38600799364363,1cyclictest398861-21kworker/2:008:54:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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