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2025-08-28 - 22:21
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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 Aug 28, 2025 12:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139074499381379,1cyclictest1466284-21kworker/5:011:14:035
139074499381379,1cyclictest1466284-21kworker/5:009:51:015
139074499381379,1cyclictest1425832-21kworker/5:108:05:015
139074499380379,1cyclictest1700810-21kworker/5:007:53:025
139074499380379,1cyclictest1700810-21kworker/5:007:39:025
139074499380379,1cyclictest1466284-21kworker/5:011:40:035
139074499380379,1cyclictest1466284-21kworker/5:010:37:035
139074499380379,1cyclictest1425832-21kworker/5:108:53:025
139074499380378,1cyclictest1466284-21kworker/5:012:06:035
139074499380378,1cyclictest1466284-21kworker/5:010:03:025
139074499380378,1cyclictest1466284-21kworker/5:010:03:025
139074499380378,1cyclictest1466284-21kworker/5:009:49:025
139074499380378,1cyclictest1466284-21kworker/5:009:17:025
139074499380378,1cyclictest1425832-21kworker/5:108:41:025
139074499380378,1cyclictest0-21swapper/510:28:025
139074499379378,1cyclictest1466284-21kworker/5:010:46:035
139074499379378,1cyclictest1425832-21kworker/5:108:36:025
139074499379378,1cyclictest0-21swapper/510:07:025
139074499379377,1cyclictest1466284-21kworker/5:009:43:025
139074499379377,1cyclictest1466284-21kworker/5:009:25:025
139074499379377,1cyclictest1425832-21kworker/5:109:07:025
139074499379377,1cyclictest0-21swapper/507:33:025
1390744993790,379cyclictest0-21swapper/512:12:035
139074499378377,1cyclictest1700810-21kworker/5:007:27:025
139074499378377,1cyclictest1466284-21kworker/5:010:34:035
139074499378377,1cyclictest1466284-21kworker/5:010:21:025
139074499378377,1cyclictest0-21swapper/511:46:035
139074499378377,1cyclictest0-21swapper/508:56:015
139074499378376,1cyclictest1466284-21kworker/5:011:37:035
139074499378376,1cyclictest1466284-21kworker/5:011:17:035
139074499378376,1cyclictest1466284-21kworker/5:009:37:025
139074499378376,1cyclictest1425832-21kworker/5:108:46:025
139074499377375,1cyclictest1466284-21kworker/5:010:17:025
139074499376375,1cyclictest1466284-21kworker/5:010:14:015
139074499375374,1cyclictest1700810-21kworker/5:007:43:025
139072899354353,1cyclictest0-21swapper/310:12:033
139072899354353,1cyclictest0-21swapper/309:53:023
139072899354352,1cyclictest0-21swapper/311:01:033
139072899352351,1cyclictest0-21swapper/308:38:023
139072899351350,1cyclictest0-21swapper/309:44:033
139071799351350,1cyclictest1393796-21kworker/2:109:16:032
138943323510,4sleep0111rcuc/007:05:220
139072899350349,1cyclictest1360632-21kworker/3:009:13:023
139072899350349,1cyclictest0-21swapper/307:41:023
139071799350349,1cyclictest0-21swapper/209:00:032
139072899349347,1cyclictest0-21swapper/309:33:023
139071799349348,1cyclictest1393796-21kworker/2:109:20:032
139072899348345,2cyclictest1503272-21kworker/3:011:54:023
139071799348347,1cyclictest1481859-21kworker/2:210:32:032
139072899347346,1cyclictest0-21swapper/311:24:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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