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2026-06-17 - 17:47
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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 Wed Jun 17, 2026 12:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234896599382380,1cyclictest2376894-21kworker/0:209:55:020
2348965993810,380cyclictest0-21swapper/010:55:030
234897199379378,1cyclictest0-21swapper/109:51:021
234896599378376,1cyclictest2500095-21kworker/0:011:53:020
234896599378376,1cyclictest2500095-21kworker/0:011:53:020
234896599378376,1cyclictest2376894-21kworker/0:209:25:020
234897199377376,1cyclictest0-21swapper/112:19:021
234897199377376,1cyclictest0-21swapper/107:57:031
234896599377376,1cyclictest0-21swapper/007:19:020
234896599377375,1cyclictest2500095-21kworker/0:012:05:020
234897199376375,1cyclictest0-21swapper/111:47:021
234896599376375,1cyclictest2609878-21kworker/0:007:49:020
234896599376375,1cyclictest0-21swapper/012:04:020
234896599376375,1cyclictest0-21swapper/011:31:020
234896599376375,1cyclictest0-21swapper/008:15:020
234896599376374,1cyclictest2376894-21kworker/0:210:53:020
234897199375374,1cyclictest0-21swapper/109:37:021
234896599375374,1cyclictest2376894-21kworker/0:210:27:020
234896599375374,1cyclictest0-21swapper/010:14:020
234896599375374,1cyclictest0-21swapper/009:07:020
234896599375374,1cyclictest0-21swapper/007:51:020
234896599375374,1cyclictest0-21swapper/007:13:030
234896599375373,1cyclictest0-21swapper/008:57:020
234897199374373,1cyclictest0-21swapper/108:37:021
234896599374373,1cyclictest0-21swapper/009:23:020
234896599374372,1cyclictest2500095-21kworker/0:012:10:020
234896599374372,1cyclictest0-21swapper/007:59:020
234901699373372,1cyclictest0-21swapper/709:45:027
234896599373372,1cyclictest0-21swapper/008:54:030
234896599373372,1cyclictest0-21swapper/008:54:020
234901699372371,1cyclictest0-21swapper/709:51:027
234901699372371,1cyclictest0-21swapper/709:15:027
234901699372369,2cyclictest0-21swapper/710:17:037
234896599372371,1cyclictest488-21jbd2/nvme0n1p2-08:48:030
234896599372371,1cyclictest0-21swapper/011:59:020
234896599372371,1cyclictest0-21swapper/009:13:020
234896599372371,1cyclictest0-21swapper/008:24:020
234896599372370,1cyclictest2376894-21kworker/0:210:07:020
234896599372370,1cyclictest0-21swapper/010:00:020
234901699371369,1cyclictest0-21swapper/712:19:027
234897899371369,2cyclictest2339830-21kworker/2:107:28:022
234897899371369,2cyclictest2339830-21kworker/2:107:28:022
234901699370369,1cyclictest0-21swapper/711:41:027
234901699370369,1cyclictest0-21swapper/707:57:027
234896599370369,1cyclictest0-21swapper/008:40:550
234896599370368,1cyclictest2376894-21kworker/0:211:08:020
234896599370368,1cyclictest0-21swapper/011:04:030
234896599370368,1cyclictest0-21swapper/008:10:020
234901699369367,1cyclictest0-21swapper/711:47:027
234896599369368,1cyclictest0-21swapper/011:15:020
234896599369368,1cyclictest0-21swapper/011:10:020
234896599369367,1cyclictest2500095-21kworker/0:012:25:020
234896599369367,1cyclictest0-21swapper/008:30:020
234901699368366,1cyclictest0-21swapper/709:37:027
234897199368367,1cyclictest0-21swapper/107:23:021
2348971993680,367cyclictest0-21swapper/111:05:021
234896599368367,1cyclictest0-21swapper/012:30:020
234901699367366,1cyclictest0-21swapper/711:03:027
234900299367366,1cyclictest2370873-21kworker/5:109:45:035
234900299367365,1cyclictest2370873-21kworker/5:109:51:025
234897199367366,1cyclictest0-21swapper/111:28:031
234896599367366,1cyclictest2500095-21kworker/0:011:40:020
234896599367366,1cyclictest0-21swapper/010:18:020
234901699366365,1cyclictest0-21swapper/708:37:027
234900299366365,1cyclictest2370873-21kworker/5:109:15:035
234896599366364,1cyclictest0-21swapper/010:20:020
234896599366364,1cyclictest0-21swapper/010:20:020
234900299365363,1cyclictest2370873-21kworker/5:110:17:025
234900299365363,1cyclictest2370873-21kworker/5:107:57:025
234896599365364,1cyclictest0-21swapper/007:42:020
234896599365363,1cyclictest0-21swapper/007:22:020
234900299364363,1cyclictest2370873-21kworker/5:112:19:025
234900299364363,1cyclictest2370873-21kworker/5:111:41:025
234898699364361,1cyclictest97550irq/166-enp0s3107:43:023
234896599364362,1cyclictest0-21swapper/011:22:020
234896599364362,1cyclictest0-21swapper/008:01:020
234901699363362,1cyclictest0-21swapper/711:54:027
234901699363362,1cyclictest0-21swapper/711:54:027
234897199363362,1cyclictest0-21swapper/110:59:021
234897199363362,1cyclictest0-21swapper/109:43:021
234896599363362,1cyclictest2500095-21kworker/0:011:46:020
234896599363362,1cyclictest2376894-21kworker/0:210:34:020
234896599363361,1cyclictest2376894-21kworker/0:209:17:020
234896599363361,1cyclictest0-21swapper/011:27:020
234901699362360,1cyclictest63-21ksoftirqd/711:05:027
234901699362360,1cyclictest0-21swapper/707:23:027
234900299362361,1cyclictest2370873-21kworker/5:111:47:025
234897199362361,1cyclictest2336823-21kworker/1:207:25:021
234897199362361,1cyclictest2336823-21kworker/1:207:25:021
234897199362361,1cyclictest0-21swapper/109:55:021
234897199362360,1cyclictest0-21swapper/111:43:021
234896599362361,1cyclictest2376894-21kworker/0:210:37:020
234901699361356,2cyclictest2509231-21systemd-userwor11:39:027
234900299361360,1cyclictest2370873-21kworker/5:109:37:025
234897199361360,1cyclictest0-21swapper/111:11:021
234897199361360,1cyclictest0-21swapper/110:41:021
234896599361360,1cyclictest0-21swapper/009:42:020
234901699360357,2cyclictest0-21swapper/707:25:027
234901699360357,2cyclictest0-21swapper/707:25:027
234900299360359,1cyclictest2370873-21kworker/5:108:37:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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