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2026-09-18 - 17:11
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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 Sep 18, 2026 12:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2270683993810,380cyclictest0-21swapper/411:22:014
2270683993810,380cyclictest0-21swapper/409:19:024
2270683993810,380cyclictest0-21swapper/407:18:024
2270683993800,379cyclictest0-21swapper/410:09:024
2270683993800,379cyclictest0-21swapper/409:21:014
2270683993800,379cyclictest0-21swapper/407:42:024
2270683993800,1cyclictest0-21swapper/412:36:014
2270683993800,1cyclictest0-21swapper/412:21:014
2270683993800,1cyclictest0-21swapper/409:58:014
2270683993800,1cyclictest0-21swapper/408:13:024
227064999379378,1cyclictest2230624-21kworker/0:307:28:010
227067199358357,1cyclictest0-21swapper/312:05:023
227067199358357,1cyclictest0-21swapper/312:05:023
227067199357356,1cyclictest2418910-21kworker/3:012:01:023
227067199355354,1cyclictest0-21swapper/310:15:013
227067199355354,1cyclictest0-21swapper/307:20:023
227067199355353,1cyclictest0-21swapper/309:01:023
227064999355353,1cyclictest0-21swapper/011:42:010
227064999355353,1cyclictest0-21swapper/009:25:020
227067199354353,1cyclictest0-21swapper/312:15:023
227064999354353,1cyclictest0-21swapper/010:50:010
227064999354353,1cyclictest0-21swapper/008:00:020
227064999354352,1cyclictest0-21swapper/010:59:010
227064999354352,1cyclictest0-21swapper/009:15:010
227064999353352,1cyclictest0-21swapper/007:33:010
227064999353351,1cyclictest0-21swapper/010:49:010
227067199352351,1cyclictest2273688-21kworker/3:007:51:013
227067199352351,1cyclictest0-21swapper/311:43:013
227067199352351,1cyclictest0-21swapper/309:35:013
227067199352351,1cyclictest0-21swapper/308:05:013
227064999352351,1cyclictest2230624-21kworker/0:311:21:020
227064999352350,1cyclictest0-21swapper/011:08:020
227067199351350,1cyclictest2418910-21kworker/3:011:50:013
227067199351350,1cyclictest0-21swapper/311:01:013
227067199351350,1cyclictest0-21swapper/308:25:013
227064999351350,1cyclictest0-21swapper/009:03:010
227064999351349,1cyclictest0-21swapper/008:27:010
227067199350349,1cyclictest2467043-21kworker/3:112:35:023
227067199350349,1cyclictest0-21swapper/311:11:013
227067199350349,1cyclictest0-21swapper/310:29:013
227067199350349,1cyclictest0-21swapper/309:55:023
227064999350349,1cyclictest2230624-21kworker/0:308:34:010
227064999350349,1cyclictest0-21swapper/010:24:020
227064999350349,1cyclictest0-21swapper/009:09:010
227064999350349,1cyclictest0-21swapper/008:24:010
227064999350348,1cyclictest2230624-21kworker/0:310:32:020
227064999350348,1cyclictest0-21swapper/008:51:020
227064999350348,1cyclictest0-21swapper/008:39:020
227067199349348,1cyclictest0-21swapper/309:50:013
227067199349348,1cyclictest0-21swapper/308:58:023
227067199349348,1cyclictest0-21swapper/307:55:013
227064999349348,1cyclictest2230624-21kworker/0:310:05:010
227064999349348,1cyclictest0-21swapper/011:54:010
227064999349348,1cyclictest0-21swapper/011:16:020
227064999349348,1cyclictest0-21swapper/011:12:020
227064999349348,1cyclictest0-21swapper/010:14:010
227064999349348,1cyclictest0-21swapper/008:08:020
227064999349347,1cyclictest2230624-21kworker/0:312:25:020
227067199348347,1cyclictest2557904-21kworker/3:107:32:013
227067199348347,1cyclictest2418910-21kworker/3:011:29:023
227067199348347,1cyclictest0-21swapper/312:13:023
227067199348347,1cyclictest0-21swapper/311:34:013
227067199348347,1cyclictest0-21swapper/310:57:013
227067199348347,1cyclictest0-21swapper/308:41:023
227067199348346,1cyclictest2313623-21kworker/3:209:26:023
227064999348347,1cyclictest2230624-21kworker/0:310:01:020
227064999348347,1cyclictest0-21swapper/008:11:010
227067199347346,1cyclictest2313623-21kworker/3:208:46:023
227067199347346,1cyclictest0-21swapper/311:18:013
227067199347345,1cyclictest2313623-21kworker/3:209:46:013
227067199346345,1cyclictest0-21swapper/310:38:023
227067199346345,1cyclictest0-21swapper/310:38:013
227067199346345,1cyclictest0-21swapper/307:12:023
227064999346345,1cyclictest2230624-21kworker/0:310:28:010
227067199345343,1cyclictest0-21swapper/308:23:013
227067199344343,1cyclictest0-21swapper/310:41:013
227064999344343,1cyclictest2230624-21kworker/0:312:32:020
227064999344343,1cyclictest2230624-21kworker/0:311:36:020
227064999344343,1cyclictest2230624-21kworker/0:307:53:020
227064999344343,1cyclictest2230624-21kworker/0:307:24:010
227064999343342,1cyclictest2230624-21kworker/0:310:19:020
227064999343342,1cyclictest2230624-21kworker/0:307:41:010
227064999342341,1cyclictest2230624-21kworker/0:310:43:010
227064999342341,1cyclictest2230624-21kworker/0:309:56:020
227064999342340,1cyclictest0-21swapper/011:48:020
227064999342340,1cyclictest0-21swapper/007:37:010
227064999341340,1cyclictest2230624-21kworker/0:312:36:020
227064999341340,1cyclictest2230624-21kworker/0:312:21:020
227064999341340,1cyclictest2230624-21kworker/0:307:18:020
227064999340339,1cyclictest2230624-21kworker/0:309:21:020
227070399329328,1cyclictest2421666-21kworker/7:012:05:017
227070399329328,1cyclictest2421666-21kworker/7:012:05:017
227070399329327,1cyclictest0-21swapper/712:01:017
227070399326324,1cyclictest2346470-21kworker/7:310:15:027
227070399325324,1cyclictest2227965-21kworker/7:107:20:027
227070399324323,1cyclictest2421666-21kworker/7:012:15:017
227070399324323,1cyclictest2270539-21kworker/7:009:01:027
227070399323321,1cyclictest2421666-21kworker/7:011:43:027
227070399322321,1cyclictest2346470-21kworker/7:309:35:027
227070399322321,1cyclictest2227965-21kworker/7:108:05:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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