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2026-03-28 - 10:49
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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 Sat Mar 28, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
210949899382379,3cyclictest2167434-21kworker/6:121:58:026
2109498993810,380cyclictest0-21swapper/623:57:026
2109498993810,380cyclictest0-21swapper/600:24:026
210949899380379,1cyclictest2097290-21kworker/6:019:45:026
2109498993800,379cyclictest0-21swapper/622:46:026
2109498993800,379cyclictest0-21swapper/622:32:036
2109498993800,379cyclictest0-21swapper/622:28:026
2109498993800,379cyclictest0-21swapper/621:15:026
2109498993800,379cyclictest0-21swapper/620:35:026
2109498993800,379cyclictest0-21swapper/600:14:026
210946299379378,1cyclictest2312286-21kworker/1:323:27:021
210949899378377,1cyclictest3582712-21kworker/6:220:34:026
210949899378377,1cyclictest2167434-21kworker/6:120:56:036
210949899377376,1cyclictest2097290-21kworker/6:020:06:036
210949899377376,1cyclictest2097290-21kworker/6:019:56:026
210949899377376,1cyclictest2097290-21kworker/6:019:28:026
210945499377376,1cyclictest0-21swapper/022:15:030
210949899376375,1cyclictest0-21swapper/620:12:026
210945499376375,1cyclictest0-21swapper/023:17:020
210945499376375,1cyclictest0-21swapper/023:13:020
210945499376375,1cyclictest0-21swapper/021:51:030
210945499376374,1cyclictest0-21swapper/022:39:020
210945499376374,1cyclictest0-21swapper/000:05:030
210945499376374,1cyclictest0-21swapper/000:05:020
210949899375374,1cyclictest3582712-21kworker/6:220:24:026
210945499375374,1cyclictest0-21swapper/023:23:020
210945499374373,1cyclictest0-21swapper/022:59:020
210945499374373,1cyclictest0-21swapper/022:53:020
210945499374373,1cyclictest0-21swapper/022:43:030
210945499374373,1cyclictest0-21swapper/021:21:020
210945499374372,1cyclictest0-21swapper/020:09:020
210945499373371,1cyclictest2380321-21kworker/0:023:51:020
210945499373371,1cyclictest2380321-21kworker/0:022:03:020
210945499373371,1cyclictest0-21swapper/019:51:030
210945499372370,1cyclictest2380321-21kworker/0:020:55:030
210945499372370,1cyclictest2380321-21kworker/0:020:15:020
210945499371370,1cyclictest2380321-21kworker/0:000:15:020
210945499371370,1cyclictest0-21swapper/021:35:020
210945499371369,1cyclictest0-21swapper/020:29:020
210946299370369,1cyclictest0-21swapper/123:48:031
210945499370368,1cyclictest2380321-21kworker/0:021:05:020
210945499370368,1cyclictest0-21swapper/019:47:020
210945499370368,1cyclictest0-21swapper/000:36:020
210945499369368,1cyclictest0-21swapper/022:14:030
210945499369368,1cyclictest0-21swapper/021:45:020
210945499368366,1cyclictest2380321-21kworker/0:022:09:020
210945499368366,1cyclictest2380321-21kworker/0:020:46:030
210945499368366,1cyclictest0-21swapper/023:49:020
210945499368366,1cyclictest0-21swapper/000:03:030
210945499366365,1cyclictest2380321-21kworker/0:021:01:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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