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2026-04-30 - 14:38
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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 Thu Apr 30, 2026 00:46:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150103799368367,1cyclictest0-21swapper/623:55:026
150103799344342,1cyclictest97550irq/166-enp0s3123:44:026
150099099329328,1cyclictest0-21swapper/019:15:020
150100899328326,1cyclictest0-21swapper/223:17:012
150099099328326,1cyclictest1796473-21kworker/0:221:23:020
150102299327326,1cyclictest1793320-21kworker/4:119:15:024
150099099327326,1cyclictest0-21swapper/022:53:020
150102299326325,1cyclictest0-21swapper/421:23:014
150100899326324,1cyclictest1574026-21kworker/2:221:42:022
150100899326324,1cyclictest1574026-21kworker/2:221:42:022
150102299325324,1cyclictest1640825-21kworker/4:222:53:024
150100899325323,1cyclictest0-21swapper/221:54:012
150100899325323,1cyclictest0-21swapper/200:04:022
150099099325323,2cyclictest1796473-21kworker/0:200:16:030
150102299324322,1cyclictest0-21swapper/400:16:024
150100899324322,1cyclictest0-21swapper/221:24:022
150100899323321,1cyclictest0-21swapper/222:41:022
150099099323322,1cyclictest0-21swapper/021:28:020
150100899322321,1cyclictest1574026-21kworker/2:222:14:022
150100899322321,1cyclictest0-21swapper/223:31:012
150100899322319,2cyclictest1574026-21kworker/2:221:32:012
150099099322321,1cyclictest1796473-21kworker/0:220:39:020
150102299321320,1cyclictest1513868-21kworker/4:021:28:014
150102299321320,1cyclictest0-21swapper/423:34:024
150102299321320,1cyclictest0-21swapper/421:17:024
150102299321320,1cyclictest0-21swapper/420:39:014
150102299321318,2cyclictest1640825-21kworker/4:200:21:014
150099099321320,1cyclictest1796473-21kworker/0:223:34:010
150099099321320,1cyclictest1796473-21kworker/0:221:17:010
150099099321320,1cyclictest0-21swapper/022:39:010
150099099321320,1cyclictest0-21swapper/022:04:010
150099099321319,1cyclictest1796473-21kworker/0:222:09:010
150099099321319,1cyclictest0-21swapper/023:29:020
150099099321319,1cyclictest0-21swapper/019:30:020
150102299320319,1cyclictest1640825-21kworker/4:222:39:024
150102299320319,1cyclictest1513868-21kworker/4:022:04:024
150100899320319,1cyclictest1574026-21kworker/2:221:37:012
150100899320318,1cyclictest0-21swapper/200:19:022
150099099320319,1cyclictest0-21swapper/000:21:020
150102299319318,1cyclictest1793320-21kworker/4:119:30:024
150102299319318,1cyclictest1640825-21kworker/4:223:29:014
150102299319317,1cyclictest0-21swapper/422:09:024
150100899319318,1cyclictest1574026-21kworker/2:223:00:012
150100899319318,1cyclictest1574026-21kworker/2:200:37:022
150100899319318,1cyclictest0-21swapper/200:22:022
150100899319317,2cyclictest1574026-21kworker/2:222:07:022
150099099319318,1cyclictest1796473-21kworker/0:221:35:010
150102299318317,1cyclictest0-21swapper/421:35:024
150100899318317,1cyclictest1748082-21kworker/2:319:50:022
150100899318317,1cyclictest1574026-21kworker/2:223:50:022
150100899318317,1cyclictest1574026-21kworker/2:222:48:012
150100899318317,1cyclictest1574026-21kworker/2:222:35:022
150100899318317,1cyclictest1574026-21kworker/2:200:29:012
150100899318316,1cyclictest1574026-21kworker/2:223:23:012
150099099318317,1cyclictest1796473-21kworker/0:223:59:010
150099099318317,1cyclictest1796473-21kworker/0:223:45:020
150099099318317,1cyclictest1796473-21kworker/0:222:43:020
150099099318317,1cyclictest1796473-21kworker/0:220:43:020
150099099318317,1cyclictest1796473-21kworker/0:200:10:010
150099099318317,1cyclictest0-21swapper/023:35:010
150099099318317,1cyclictest0-21swapper/023:24:020
150099099318317,1cyclictest0-21swapper/022:21:020
150099099318317,1cyclictest0-21swapper/022:13:010
150099099318317,1cyclictest0-21swapper/021:49:020
150102299317316,1cyclictest1640825-21kworker/4:223:35:024
150102299317316,1cyclictest1640825-21kworker/4:223:24:014
150102299317316,1cyclictest1640825-21kworker/4:222:21:014
150102299317316,1cyclictest1640825-21kworker/4:222:13:014
150102299317316,1cyclictest1513868-21kworker/4:021:49:014
150102299317316,1cyclictest0-21swapper/423:59:024
150102299317316,1cyclictest0-21swapper/423:45:014
150102299317316,1cyclictest0-21swapper/422:43:014
150102299317316,1cyclictest0-21swapper/420:43:014
150102299317316,1cyclictest0-21swapper/400:10:014
150100899317316,1cyclictest1574026-21kworker/2:223:27:012
150100899317316,1cyclictest1574026-21kworker/2:221:47:022
150100899317316,1cyclictest1574026-21kworker/2:200:33:022
150100899317316,1cyclictest1574026-21kworker/2:200:33:022
150100899317315,1cyclictest0-21swapper/222:55:012
150099099317316,1cyclictest0-21swapper/023:04:010
150099099317315,1cyclictest1796473-21kworker/0:223:41:020
150102299316314,1cyclictest1640825-21kworker/4:223:04:024
150102299316314,1cyclictest0-21swapper/423:05:024
150102299316314,1cyclictest0-21swapper/423:05:014
150100899316315,1cyclictest1574026-21kworker/2:221:29:012
150100899316315,1cyclictest1543942-21kworker/2:120:45:012
150100899316315,1cyclictest0-21swapper/223:57:012
150100899316315,1cyclictest0-21swapper/222:16:022
150099099316315,1cyclictest1796473-21kworker/0:223:05:010
150099099316315,1cyclictest1796473-21kworker/0:223:05:010
150099099316315,1cyclictest0-21swapper/022:25:020
150099099316315,1cyclictest0-21swapper/021:56:010
150099099316315,1cyclictest0-21swapper/021:44:010
150099099316315,1cyclictest0-21swapper/021:44:010
150099099316314,1cyclictest1796473-21kworker/0:220:05:020
150102299315314,1cyclictest1640825-21kworker/4:222:25:024
150102299315314,1cyclictest1513868-21kworker/4:021:56:024
150102299315314,1cyclictest1513868-21kworker/4:021:44:024
150102299315314,1cyclictest1513868-21kworker/4:021:44:024
150102299315314,1cyclictest0-21swapper/423:41:014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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