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2026-08-01 - 20:56
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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 Aug 01, 2026 12:46:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
192864399377376,1cyclictest0-21swapper/011:22:020
192864399375374,1cyclictest1642132-21kworker/0:012:03:010
192864399375374,1cyclictest0-21swapper/009:29:020
192864399375373,1cyclictest1642132-21kworker/0:007:33:020
192864399374372,1cyclictest1642132-21kworker/0:007:35:020
192864399373372,1cyclictest0-21swapper/007:42:010
192864399373371,1cyclictest0-21swapper/007:15:020
192866199371369,1cyclictest0-21swapper/208:47:022
192864399370369,1cyclictest1642132-21kworker/0:010:21:010
192866199369368,1cyclictest2061863-21kworker/2:111:26:022
192864399369368,1cyclictest1642132-21kworker/0:011:18:020
192864399369368,1cyclictest1642132-21kworker/0:008:13:010
192864399369367,1cyclictest0-21swapper/008:44:010
192866199368366,1cyclictest0-21swapper/212:01:022
192864399368367,1cyclictest1642132-21kworker/0:009:57:010
192864399368367,1cyclictest0-21swapper/010:42:020
192864399368367,1cyclictest0-21swapper/010:37:020
192864399368367,1cyclictest0-21swapper/008:50:010
192864399368367,1cyclictest0-21swapper/008:09:010
192864399368367,1cyclictest0-21swapper/008:09:010
192866199367366,1cyclictest2180701-21kworker/2:010:10:022
192866199367366,1cyclictest2180701-21kworker/2:008:55:022
192866199367366,1cyclictest2061863-21kworker/2:111:57:022
192866199367366,1cyclictest0-21swapper/208:16:012
192864399367365,1cyclictest1642132-21kworker/0:012:15:020
192864399367365,1cyclictest0-21swapper/010:57:020
192866199366365,1cyclictest2180701-21kworker/2:010:09:022
192866199366365,1cyclictest2180701-21kworker/2:008:52:022
192866199366365,1cyclictest2109831-21kworker/2:212:31:022
192866199366365,1cyclictest2109831-21kworker/2:212:31:022
192866199366365,1cyclictest0-21swapper/211:52:022
192866199366365,1cyclictest0-21swapper/210:02:012
192864399366365,1cyclictest1642132-21kworker/0:011:53:010
192864399366365,1cyclictest1642132-21kworker/0:011:00:020
192864399366365,1cyclictest1642132-21kworker/0:008:25:010
192864399366365,1cyclictest1642132-21kworker/0:007:10:020
192864399366365,1cyclictest0-21swapper/010:51:020
192864399366365,1cyclictest0-21swapper/010:34:020
192864399366365,1cyclictest0-21swapper/008:59:010
192864399366365,1cyclictest0-21swapper/008:20:020
192864399366364,1cyclictest1642132-21kworker/0:008:19:010
192866199365364,1cyclictest2180701-21kworker/2:007:45:012
192866199365364,1cyclictest2180701-21kworker/2:007:38:012
192866199365364,1cyclictest0-21swapper/212:10:022
192866199365364,1cyclictest0-21swapper/209:32:012
192866199365364,1cyclictest0-21swapper/209:27:012
192864399365364,1cyclictest1642132-21kworker/0:012:37:020
192864399365364,1cyclictest1642132-21kworker/0:011:47:020
192864399365364,1cyclictest1642132-21kworker/0:009:23:020
192864399365364,1cyclictest1642132-21kworker/0:008:34:010
192864399365364,1cyclictest0-21swapper/011:32:020
192864399365364,1cyclictest0-21swapper/011:06:020
192864399365364,1cyclictest0-21swapper/011:06:020
192864399365363,1cyclictest1642132-21kworker/0:008:37:010
192866199364363,1cyclictest0-21swapper/209:45:022
192866199364362,1cyclictest0-21swapper/211:20:022
192864399364363,1cyclictest1642132-21kworker/0:009:12:010
192864399364363,1cyclictest0-21swapper/012:30:020
192864399364363,1cyclictest0-21swapper/012:30:020
192864399364363,1cyclictest0-21swapper/011:37:020
192864399364363,1cyclictest0-21swapper/009:48:010
192864399364363,1cyclictest0-21swapper/009:06:010
192866199363362,1cyclictest2180701-21kworker/2:009:21:012
192866199363362,1cyclictest0-21swapper/210:40:022
192866199363362,1cyclictest0-21swapper/208:41:022
192864399363362,1cyclictest0-21swapper/012:21:010
192864399363362,1cyclictest0-21swapper/011:27:020
192864399363362,1cyclictest0-21swapper/009:03:010
192864399363362,1cyclictest0-21swapper/008:01:020
192864399363362,1cyclictest0-21swapper/007:46:020
192866199362361,1cyclictest1998691-21kworker/2:210:35:022
192866199362361,1cyclictest0-21swapper/211:16:012
192866199362361,1cyclictest0-21swapper/209:15:012
192866199362361,1cyclictest0-21swapper/207:28:022
192866199362360,1cyclictest0-21swapper/211:10:022
192864399362361,1cyclictest1642132-21kworker/0:007:24:020
192864399362361,1cyclictest0-21swapper/011:11:020
192864399362360,1cyclictest1642132-21kworker/0:012:09:010
192864399362360,1cyclictest0-21swapper/009:39:020
192864399362360,1cyclictest0-21swapper/009:39:020
192866199361360,1cyclictest2061863-21kworker/2:111:01:012
192866199361360,1cyclictest0-21swapper/212:20:022
192866199361360,1cyclictest0-21swapper/210:18:012
192866199361360,1cyclictest0-21swapper/207:30:022
192864399361360,1cyclictest1642132-21kworker/0:010:08:020
192864399361360,1cyclictest1642132-21kworker/0:009:34:020
192864399361360,1cyclictest0-21swapper/010:16:020
192866199360359,1cyclictest2109831-21kworker/2:212:18:022
192866199360359,1cyclictest1998691-21kworker/2:210:47:022
192866199360359,1cyclictest0-21swapper/209:50:012
192866199360359,1cyclictest0-21swapper/208:05:022
192866199360359,1cyclictest0-21swapper/208:05:022
192866199360359,1cyclictest0-21swapper/207:55:012
192869699359357,1cyclictest0-21swapper/710:41:017
192866199359358,1cyclictest2180701-21kworker/2:008:02:022
192866199359358,1cyclictest0-21swapper/210:56:022
192866199359357,1cyclictest0-21swapper/207:21:022
192864399359358,1cyclictest0-21swapper/012:14:020
192866199358357,1cyclictest0-21swapper/212:28:022
192866199358357,1cyclictest0-21swapper/210:30:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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