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2026-03-06 - 14:13
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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 Fri Mar 06, 2026 00:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
244158999384379,2cyclictest2602066-21systemd-userwor22:28:020
244158999380378,1cyclictest2644613-21kworker/0:023:29:020
2441589993800,1cyclictest2702007-21sh23:47:020
244158999379378,1cyclictest2644613-21kworker/0:000:13:020
244158999379377,1cyclictest2644613-21kworker/0:023:35:020
244158999378377,1cyclictest2644613-21kworker/0:023:10:020
244158999378377,1cyclictest0-21swapper/021:56:020
244158999378376,1cyclictest2429429-21kworker/0:221:25:020
244158999377376,1cyclictest2429429-21kworker/0:221:05:020
244158999377376,1cyclictest0-21swapper/023:30:020
244158999377375,1cyclictest2644613-21kworker/0:000:00:020
244158999376375,1cyclictest2644613-21kworker/0:023:17:020
244158999376375,1cyclictest2429429-21kworker/0:222:41:020
244158999376375,1cyclictest2429429-21kworker/0:222:20:020
244158999376375,1cyclictest2429429-21kworker/0:220:31:020
244158999376375,1cyclictest2429429-21kworker/0:220:06:020
244158999376375,1cyclictest2429429-21kworker/0:220:06:020
244158999375374,1cyclictest2429429-21kworker/0:222:11:030
244158999375374,1cyclictest2429429-21kworker/0:221:37:030
244158999375374,1cyclictest2429429-21kworker/0:221:37:020
244158999375373,2cyclictest2754166-21kworker/0:200:37:020
244158999375373,1cyclictest2644613-21kworker/0:023:56:020
244158999375373,1cyclictest2429429-21kworker/0:221:10:020
244164399374373,1cyclictest2496574-21kworker/7:121:38:027
244164399374373,1cyclictest2496574-21kworker/7:121:38:027
244158999374373,1cyclictest2644613-21kworker/0:023:44:020
244158999374373,1cyclictest2644613-21kworker/0:000:30:020
244158999374373,1cyclictest0-21swapper/023:02:020
244158999374373,1cyclictest0-21swapper/021:48:020
244158999374373,1cyclictest0-21swapper/021:17:020
244158999374373,1cyclictest0-21swapper/000:28:020
244158999374372,1cyclictest0-21swapper/000:18:020
244158999373372,1cyclictest2644613-21kworker/0:023:09:020
244158999373372,1cyclictest2429429-21kworker/0:221:42:020
244158999372371,1cyclictest2429429-21kworker/0:222:16:020
244158999372371,1cyclictest0-21swapper/023:53:020
244158999372370,1cyclictest0-21swapper/022:48:020
244158999372370,1cyclictest0-21swapper/020:35:020
244158999372370,1cyclictest0-21swapper/019:25:030
244158999372370,1cyclictest0-21swapper/019:11:020
244158999371370,1cyclictest2429429-21kworker/0:221:23:020
244158999369368,1cyclictest0-21swapper/020:48:020
244158999369368,1cyclictest0-21swapper/000:09:020
244158999368367,1cyclictest2429429-21kworker/0:220:16:020
244158999368367,1cyclictest2429429-21kworker/0:220:04:020
244158999368367,1cyclictest0-21swapper/020:53:020
244158999368366,1cyclictest2429429-21kworker/0:219:43:020
244158999367366,1cyclictest2429429-21kworker/0:219:56:020
244158999367366,1cyclictest2429429-21kworker/0:219:36:020
244158999367366,1cyclictest2429429-21kworker/0:219:23:020
244158999367366,1cyclictest0-21swapper/020:27:020
244158999367365,1cyclictest0-21swapper/020:21:020
244158999366365,1cyclictest0-21swapper/020:57:020
244158999366364,1cyclictest2429429-21kworker/0:220:43:020
244158999366364,1cyclictest2429429-21kworker/0:219:17:020
244163599364361,3cyclictest2566048-21kworker/6:022:50:026
244163599363362,1cyclictest0-21swapper/623:27:026
244163599360358,1cyclictest97550irq/166-enp0s3121:56:026
244163599360358,1cyclictest2679316-21kworker/6:000:08:026
244163599360358,1cyclictest0-21swapper/621:22:026
244163599360356,3cyclictest0-21swapper/623:23:026
244163599359358,1cyclictest2566048-21kworker/6:022:01:026
244163599359356,2cyclictest97550irq/166-enp0s3121:25:026
244163599358357,1cyclictest0-21swapper/620:55:026
244162099358355,1cyclictest0-21swapper/421:19:034
244163599357356,1cyclictest2679316-21kworker/6:023:49:026
244163599357356,1cyclictest0-21swapper/600:12:026
244163599357355,2cyclictest97550irq/166-enp0s3122:41:026
244163599357355,1cyclictest2444375-21kworker/6:319:50:036
244163599357354,2cyclictest0-21swapper/600:17:026
244163599356355,1cyclictest2566048-21kworker/6:023:04:026
244163599356355,1cyclictest0-21swapper/622:56:026
244163599356355,1cyclictest0-21swapper/622:56:026
244163599356355,1cyclictest0-21swapper/622:32:026
244163599356354,1cyclictest0-21swapper/623:16:026
244164399355354,1cyclictest2679894-21kworker/7:223:59:027
244163599355354,1cyclictest0-21swapper/622:22:026
244164399354353,1cyclictest2496574-21kworker/7:121:27:027
244164399354353,1cyclictest0-21swapper/722:45:027
244164399354353,1cyclictest0-21swapper/721:49:027
244164399354352,1cyclictest2573185-21kworker/7:222:35:027
244163599354353,1cyclictest2566048-21kworker/6:022:26:026
244163599354353,1cyclictest0-21swapper/623:58:026
244163599354353,1cyclictest0-21swapper/623:50:026
244163599354353,1cyclictest0-21swapper/621:14:026
244163599354352,1cyclictest0-21swapper/600:27:026
244163599354351,2cyclictest2679316-21kworker/6:023:37:026
244164399353352,1cyclictest2632972-21kworker/7:123:01:027
244164399353352,1cyclictest2496574-21kworker/7:121:40:027
244164399353352,1cyclictest0-21swapper/722:05:027
244164399353351,1cyclictest2734055-21kworker/7:100:23:027
244164399353351,1cyclictest2734055-21kworker/7:100:23:027
244163599353352,1cyclictest2756419-21kworker/6:200:35:026
244163599353352,1cyclictest2679316-21kworker/6:023:42:026
244163599353352,1cyclictest2508602-21kworker/6:121:50:026
244163599353352,1cyclictest2508602-21kworker/6:121:32:026
244163599353352,1cyclictest0-21swapper/623:33:026
244163599353352,1cyclictest0-21swapper/623:07:026
244163599353352,1cyclictest0-21swapper/621:16:026
244163599353351,1cyclictest0-21swapper/622:15:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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