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2026-06-15 - 11:29
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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 50 highest latencies:
System rackcslot6.osadl.org (updated Mon Jun 15, 2026 00:46:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137449899345344,1cyclictest0-21swapper/123:15:021
137449899345343,1cyclictest0-21swapper/123:03:011
137449899344343,1cyclictest0-21swapper/122:30:011
137449899344343,1cyclictest0-21swapper/121:17:021
137449899344342,1cyclictest1338991-21kworker/1:121:34:011
137449899344342,1cyclictest0-21swapper/121:39:011
137449899342341,1cyclictest0-21swapper/123:28:021
137449899342341,1cyclictest0-21swapper/121:21:021
137449899342340,1cyclictest1617891-21kworker/1:100:33:011
137449899342339,2cyclictest1617891-21kworker/1:123:32:011
137449899341339,1cyclictest1338991-21kworker/1:122:24:011
137449899341339,1cyclictest0-21swapper/121:56:021
137449899340339,1cyclictest1617891-21kworker/1:123:50:021
137449899340339,1cyclictest1548983-21kworker/1:223:07:011
137449899340339,1cyclictest0-21swapper/123:58:011
137449899340339,1cyclictest0-21swapper/119:55:011
137449899340338,1cyclictest0-21swapper/122:27:021
137449899340337,2cyclictest1617891-21kworker/1:123:40:021
137449899340337,2cyclictest1617891-21kworker/1:123:40:011
137449899339338,1cyclictest1338991-21kworker/1:121:11:021
137449899339337,1cyclictest1338991-21kworker/1:121:43:021
137449899338337,1cyclictest1548983-21kworker/1:223:14:021
137449899338337,1cyclictest1548983-21kworker/1:222:54:011
137449899338337,1cyclictest1338991-21kworker/1:121:26:011
137449899338337,1cyclictest0-21swapper/122:56:011
137449899338337,1cyclictest0-21swapper/120:28:011
137449899337336,1cyclictest0-21swapper/120:24:011
137449899336335,1cyclictest1617891-21kworker/1:100:20:011
137449899336335,1cyclictest1338991-21kworker/1:120:52:021
137449899336335,1cyclictest0-21swapper/121:47:021
137449899336334,1cyclictest1617891-21kworker/1:123:47:021
137449899335333,1cyclictest0-21swapper/119:31:011
137449899334333,1cyclictest1338991-21kworker/1:120:34:011
137449899334333,1cyclictest0-21swapper/120:38:021
137449899333332,1cyclictest0-21swapper/119:21:011
137449899333332,1cyclictest0-21swapper/119:21:011
137449899332331,1cyclictest1338991-21kworker/1:121:01:011
137449899332331,1cyclictest1338991-21kworker/1:119:43:021
137449899332331,1cyclictest0-21swapper/120:14:021
137449899331330,1cyclictest1338991-21kworker/1:120:18:011
137449899331330,1cyclictest0-21swapper/120:04:021
137449899330329,1cyclictest1338991-21kworker/1:121:09:011
137449899330329,1cyclictest1338991-21kworker/1:120:56:021
137449899329328,1cyclictest0-21swapper/120:41:021
137449199323320,1cyclictest1531786-21kworker/0:100:06:020
137453999310309,1cyclictest0-21swapper/622:26:016
137453999309307,1cyclictest0-21swapper/622:09:016
137453999308307,1cyclictest1420461-21kworker/6:122:40:026
137453999308305,2cyclictest1626057-21kworker/6:000:00:026
137453999307306,1cyclictest0-21swapper/621:15:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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