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2026-04-28 - 19:44
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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 Tue Apr 28, 2026 12:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1041300993810,380cyclictest0-21swapper/708:47:037
1041300993810,380cyclictest0-21swapper/708:47:037
1041300993800,1cyclictest0-21swapper/712:18:037
1041300993800,1cyclictest0-21swapper/711:36:037
1041300993800,1cyclictest0-21swapper/711:06:027
104127099327326,1cyclictest0-21swapper/312:00:033
104127099326325,1cyclictest0-21swapper/308:29:033
104127099325324,1cyclictest0-21swapper/308:55:023
104127099325323,2cyclictest1014328-21kworker/3:211:10:023
104127099324323,1cyclictest0-21swapper/311:35:023
104127099324323,1cyclictest0-21swapper/309:15:023
104127099324323,1cyclictest0-21swapper/308:42:033
104127099324322,1cyclictest0-21swapper/312:20:023
104127099324322,1cyclictest0-21swapper/310:53:033
104127099324322,1cyclictest0-21swapper/307:45:033
104127099324322,1cyclictest0-21swapper/307:20:033
104127099323322,1cyclictest0-21swapper/310:30:023
104127099323322,1cyclictest0-21swapper/307:30:033
104127099323321,1cyclictest0-21swapper/311:29:023
104127099323321,1cyclictest0-21swapper/308:17:033
104127099323321,1cyclictest0-21swapper/308:00:033
104127099322321,1cyclictest0-21swapper/310:40:033
104127099322321,1cyclictest0-21swapper/310:10:033
104127099322320,1cyclictest1207482-21kworker/3:011:45:023
104127099322320,1cyclictest0-21swapper/308:52:013
104127099322320,1cyclictest0-21swapper/308:11:023
104127099321319,1cyclictest0-21swapper/311:57:033
104127099321319,1cyclictest0-21swapper/311:42:023
104127099321319,1cyclictest0-21swapper/311:18:023
104127099321319,1cyclictest0-21swapper/310:08:023
104127099320319,1cyclictest0-21swapper/310:24:023
104127099320318,1cyclictest0-21swapper/312:39:023
104127099320318,1cyclictest0-21swapper/312:28:023
104127099320318,1cyclictest0-21swapper/309:03:023
104127099320318,1cyclictest0-21swapper/308:07:023
104127099320318,1cyclictest0-21swapper/307:42:033
104127099320318,1cyclictest0-21swapper/307:18:033
104127099320318,1cyclictest0-21swapper/307:18:033
104127099319318,1cyclictest0-21swapper/312:12:023
104127099319318,1cyclictest0-21swapper/312:06:033
104127099319318,1cyclictest0-21swapper/309:43:023
104127099319318,1cyclictest0-21swapper/309:22:033
104127099319317,1cyclictest1014328-21kworker/3:209:50:033
104127099319317,1cyclictest0-21swapper/312:33:023
104127099319317,1cyclictest0-21swapper/311:04:023
104127099319317,1cyclictest0-21swapper/310:59:023
104127099319317,1cyclictest0-21swapper/310:38:033
104127099319317,1cyclictest0-21swapper/309:32:033
104127099319317,1cyclictest0-21swapper/309:25:033
104127099319317,1cyclictest0-21swapper/308:31:033
104127099319317,1cyclictest0-21swapper/307:39:023
104127099318317,1cyclictest0-21swapper/308:46:023
104127099318317,1cyclictest0-21swapper/308:46:023
104127099318316,1cyclictest1207482-21kworker/3:012:15:023
104127099318316,1cyclictest1014328-21kworker/3:211:07:033
104127099318316,1cyclictest1014328-21kworker/3:210:00:033
104127099318316,1cyclictest0-21swapper/309:46:033
104127099317316,1cyclictest0-21swapper/309:09:023
104127099316315,1cyclictest1014328-21kworker/3:207:13:023
104127099315313,1cyclictest1014328-21kworker/3:209:35:023
104127099314312,1cyclictest1014328-21kworker/3:207:26:033
104127099313312,1cyclictest1207482-21kworker/3:011:53:033
104127099313311,2cyclictest1014328-21kworker/3:210:47:033
104127099313311,1cyclictest1014328-21kworker/3:207:51:033
104127099312311,1cyclictest1014328-21kworker/3:211:23:023
104127099312311,1cyclictest1014328-21kworker/3:207:59:033
104125199312311,1cyclictest0-21swapper/107:15:011
104125199312311,1cyclictest0-21swapper/107:15:011
104127099311310,1cyclictest1014328-21kworker/3:211:32:023
104127099311310,1cyclictest1014328-21kworker/3:209:57:033
104127099310309,1cyclictest1014328-21kworker/3:210:26:033
104127099310309,1cyclictest1014328-21kworker/3:210:17:023
104125199305304,1cyclictest0-21swapper/112:10:031
104125199305304,1cyclictest0-21swapper/109:13:021
104125199305304,1cyclictest0-21swapper/107:55:031
104125199305303,1cyclictest0-21swapper/110:25:021
104125199304303,1cyclictest1096222-21kworker/1:209:55:021
104125199304303,1cyclictest0-21swapper/108:15:021
104125199303302,1cyclictest21-21ksoftirqd/108:32:021
104125199303302,1cyclictest0-21swapper/111:58:021
104125199303302,1cyclictest0-21swapper/110:15:021
104125199303301,1cyclictest0-21swapper/110:45:021
104125199303301,1cyclictest0-21swapper/108:48:031
104125199303301,1cyclictest0-21swapper/108:48:021
104125199302301,1cyclictest56052-21kworker/1:108:05:031
104125199302301,1cyclictest0-21swapper/111:44:021
104125199302301,1cyclictest0-21swapper/110:20:031
104125199302301,1cyclictest0-21swapper/109:06:021
104125199302300,1cyclictest0-21swapper/111:39:031
104125199302300,1cyclictest0-21swapper/110:02:021
104125199302300,1cyclictest0-21swapper/107:10:021
104125199302299,2cyclictest0-21swapper/109:00:031
104125199301300,1cyclictest1204523-21kworker/1:212:25:031
104125199301300,1cyclictest0-21swapper/109:27:031
104125199301300,1cyclictest0-21swapper/107:32:021
104125199301299,1cyclictest1096222-21kworker/1:211:05:021
104125199301299,1cyclictest0-21swapper/111:52:021
104125199301299,1cyclictest0-21swapper/110:13:021
104125199301299,1cyclictest0-21swapper/108:57:021
104125199301299,1cyclictest0-21swapper/108:24:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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