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2026-05-02 - 22:50
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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 May 02, 2026 12:46:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
242035699377376,1cyclictest0-21swapper/611:15:026
242035699376374,1cyclictest0-21swapper/611:25:026
242035699375374,1cyclictest2648054-21kworker/6:107:15:026
242035699375374,1cyclictest2648054-21kworker/6:107:10:026
242035699375374,1cyclictest2574576-21kworker/6:111:30:026
242035699375374,1cyclictest2496351-21kworker/6:011:05:026
242035699374373,1cyclictest2496351-21kworker/6:010:06:026
242035699374373,1cyclictest0-21swapper/609:01:026
242035699373372,1cyclictest0-21swapper/609:35:026
242035699372371,1cyclictest2574576-21kworker/6:112:05:026
242035699372370,1cyclictest0-21swapper/611:55:026
242035699372368,3cyclictest0-21swapper/608:36:026
242035699371370,1cyclictest2442203-21kworker/6:008:03:026
242035699371370,1cyclictest0-21swapper/610:28:026
242035699371370,1cyclictest0-21swapper/608:54:026
242035699371369,1cyclictest2436189-21kworker/6:207:40:026
242035699370369,1cyclictest2460254-21kworker/6:109:10:036
242035699370369,1cyclictest0-21swapper/611:45:026
242035699370369,1cyclictest0-21swapper/610:31:026
242035699370369,1cyclictest0-21swapper/610:31:026
242035699370369,1cyclictest0-21swapper/610:18:026
242035699370369,1cyclictest0-21swapper/609:42:026
242035699370369,1cyclictest0-21swapper/608:25:026
242035699370368,1cyclictest2574576-21kworker/6:111:37:026
242035699370368,1cyclictest2442203-21kworker/6:007:45:026
242035699370368,1cyclictest0-21swapper/611:21:026
242035699369368,1cyclictest2496351-21kworker/6:010:42:026
242035699369368,1cyclictest2496351-21kworker/6:010:10:026
242035699369368,1cyclictest2496351-21kworker/6:010:00:026
242035699369368,1cyclictest2496351-21kworker/6:009:55:026
242035699369368,1cyclictest2496351-21kworker/6:009:53:026
242035699369368,1cyclictest2496351-21kworker/6:009:20:026
242035699369368,1cyclictest2442203-21kworker/6:008:05:026
242035699369368,1cyclictest0-21swapper/609:45:026
242035699369368,1cyclictest0-21swapper/608:31:026
242035699369368,1cyclictest0-21swapper/608:10:026
242035699369368,1cyclictest0-21swapper/607:20:026
242035699369367,1cyclictest2574576-21kworker/6:112:19:026
242035699368367,1cyclictest2648054-21kworker/6:107:26:026
242035699368367,1cyclictest2574576-21kworker/6:112:01:026
242035699368367,1cyclictest2574576-21kworker/6:112:01:026
242035699368367,1cyclictest2496351-21kworker/6:011:11:026
242035699368367,1cyclictest2460254-21kworker/6:108:18:026
242035699368367,1cyclictest0-21swapper/609:26:026
242035699367366,1cyclictest2574576-21kworker/6:112:36:026
242035699367366,1cyclictest2574576-21kworker/6:112:10:026
242035699367366,1cyclictest2460254-21kworker/6:108:42:026
242035699367366,1cyclictest2436189-21kworker/6:207:37:026
242035699367366,1cyclictest2436189-21kworker/6:207:37:026
242035699367366,1cyclictest0-21swapper/611:53:026
242035699367366,1cyclictest0-21swapper/610:49:026
242035699367366,1cyclictest0-21swapper/607:59:026
242035699367366,1cyclictest0-21swapper/607:51:026
242035699367365,1cyclictest0-21swapper/612:34:026
242035699367365,1cyclictest0-21swapper/607:31:026
242035699366365,1cyclictest0-21swapper/611:01:026
242035699366365,1cyclictest0-21swapper/610:56:026
242035699366365,1cyclictest0-21swapper/610:51:026
242035699366365,1cyclictest0-21swapper/609:16:026
242035699366364,1cyclictest2496351-21kworker/6:009:33:026
242035699366364,1cyclictest0-21swapper/608:22:026
242035699365364,1cyclictest2574576-21kworker/6:112:26:026
242035699365364,1cyclictest2574576-21kworker/6:111:41:026
242035699365364,1cyclictest2496351-21kworker/6:010:38:026
242035699365364,1cyclictest0-21swapper/610:21:026
242035699364363,1cyclictest2460254-21kworker/6:109:08:026
242035699364363,1cyclictest2460254-21kworker/6:109:08:026
242032799358356,1cyclictest0-21swapper/212:32:022
242031199339338,1cyclictest0-21swapper/008:27:020
242031199337336,1cyclictest2514152-21kworker/0:211:16:020
242031199336335,1cyclictest2448221-21kworker/0:109:11:020
242031199335333,1cyclictest2423262-21kworker/0:007:50:020
242031199334333,1cyclictest2514152-21kworker/0:211:29:020
242031199334333,1cyclictest2514152-21kworker/0:211:22:020
242031199334333,1cyclictest2448221-21kworker/0:108:08:020
242032799332330,1cyclictest0-21swapper/210:24:022
242031199332331,1cyclictest2514152-21kworker/0:212:14:020
242031199332331,1cyclictest2448221-21kworker/0:109:04:020
242031199332331,1cyclictest0-21swapper/010:05:020
242031199332330,1cyclictest2514152-21kworker/0:210:34:020
242031199332330,1cyclictest2514152-21kworker/0:210:34:020
242031199331330,1cyclictest2514152-21kworker/0:211:40:020
242031199331330,1cyclictest2514152-21kworker/0:210:23:020
242031199331330,1cyclictest2448221-21kworker/0:109:30:020
242031199331330,1cyclictest2423262-21kworker/0:007:35:030
242031199331330,1cyclictest2423262-21kworker/0:007:35:020
242031199331330,1cyclictest2423262-21kworker/0:007:19:020
242031199331330,1cyclictest0-21swapper/012:30:020
242031199331329,1cyclictest2514152-21kworker/0:211:02:020
242032799330329,1cyclictest3886133-21kworker/2:011:15:022
242031199330329,1cyclictest0-21swapper/010:45:020
242031199330328,1cyclictest2448221-21kworker/0:108:43:020
242031199330328,1cyclictest2423262-21kworker/0:007:21:020
242032799329328,1cyclictest3886133-21kworker/2:011:25:022
242032799329328,1cyclictest0-21swapper/211:30:022
242032799329328,1cyclictest0-21swapper/211:05:022
242032799329327,1cyclictest0-21swapper/207:15:022
242032799329327,1cyclictest0-21swapper/207:10:022
242031199329328,1cyclictest2514152-21kworker/0:212:25:020
242031199329328,1cyclictest2423262-21kworker/0:007:56:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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