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2026-05-08 - 01:11
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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 50 highest latencies:
System rackcslot6.osadl.org (updated Thu May 07, 2026 12:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
858899382380,1cyclictest33486-21kworker/0:008:44:020
858899381379,1cyclictest33486-21kworker/0:011:03:020
858899381379,1cyclictest33486-21kworker/0:009:16:020
858899381379,1cyclictest33486-21kworker/0:009:06:020
858899381379,1cyclictest0-21swapper/010:33:020
8588993810,381cyclictest0-21swapper/012:03:020
8588993810,1cyclictest0-21swapper/008:11:020
858899380378,1cyclictest33486-21kworker/0:010:52:020
858899380378,1cyclictest33486-21kworker/0:009:58:020
858899380378,1cyclictest33486-21kworker/0:007:53:020
858899380378,1cyclictest180695-21kworker/0:211:57:030
8588993800,380cyclictest0-21swapper/009:54:020
8588993800,379cyclictest0-21swapper/011:39:020
8588993800,1cyclictest0-21swapper/010:39:020
8588993800,1cyclictest0-21swapper/008:35:020
859699379378,1cyclictest54554-21kworker/1:208:47:021
859699379377,1cyclictest54554-21kworker/1:209:31:031
859699379377,1cyclictest0-21swapper/107:13:031
858899379378,1cyclictest1483659-21kworker/0:107:49:020
858899379378,1cyclictest1483659-21kworker/0:107:19:020
858899379377,1cyclictest0-21swapper/011:48:020
859699378377,1cyclictest54554-21kworker/1:209:49:021
859699378377,1cyclictest0-21swapper/107:28:021
859699378376,1cyclictest0-21swapper/110:07:031
8596993780,0cyclictest0-21swapper/108:55:021
858899378377,1cyclictest33486-21kworker/0:008:04:020
858899378376,1cyclictest0-21swapper/010:16:020
858899378376,1cyclictest0-21swapper/008:06:020
859699377376,1cyclictest0-21swapper/107:21:021
859699377375,1cyclictest0-21swapper/108:16:021
858899377376,1cyclictest0-21swapper/012:12:020
858899376374,1cyclictest33486-21kworker/0:008:25:020
859699375373,1cyclictest0-21swapper/107:55:021
858899375373,1cyclictest1483659-21kworker/0:107:31:020
859699374373,1cyclictest0-21swapper/108:00:021
858899374373,1cyclictest1483659-21kworker/0:107:10:020
858899374372,1cyclictest33486-21kworker/0:010:47:030
858899374372,1cyclictest33486-21kworker/0:010:21:020
859699373372,1cyclictest0-21swapper/112:00:021
859699373371,1cyclictest0-21swapper/110:56:021
859699372371,1cyclictest24465-21kworker/1:107:38:021
859699372370,1cyclictest0-21swapper/112:10:031
858899372371,1cyclictest180695-21kworker/0:212:29:020
858899372371,1cyclictest180695-21kworker/0:212:24:020
859699371370,1cyclictest126753-21kworker/1:011:46:021
859699371370,1cyclictest0-21swapper/110:10:021
858899371370,1cyclictest1483659-21kworker/0:107:24:020
859699370369,1cyclictest0-21swapper/110:49:021
858899370368,1cyclictest33486-21kworker/0:011:32:020
858899370368,1cyclictest33486-21kworker/0:009:38:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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