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2026-04-20 - 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 Sun Apr 19, 2026 12:46:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195424899381379,1cyclictest0-21swapper/112:06:011
1954248993810,380cyclictest0-21swapper/111:08:011
1954248993810,380cyclictest0-21swapper/109:47:021
1954248993810,380cyclictest0-21swapper/108:48:021
195424899380379,1cyclictest0-21swapper/111:21:021
195424899380379,1cyclictest0-21swapper/107:48:021
1954248993800,379cyclictest0-21swapper/111:28:021
1954248993800,379cyclictest0-21swapper/111:15:021
1954248993800,379cyclictest0-21swapper/110:37:021
1954248993800,1cyclictest0-21swapper/110:52:021
195424899379378,1cyclictest2090453-21kworker/1:111:55:021
195424899379378,1cyclictest2075417-21kworker/1:010:45:021
195424899379378,1cyclictest0-21swapper/110:42:021
195424899379378,1cyclictest0-21swapper/110:12:021
195424899379378,1cyclictest0-21swapper/107:53:011
195424899379377,1cyclictest1924353-21kworker/1:007:28:021
1954248993790,379cyclictest0-21swapper/112:02:021
1954248993790,379cyclictest0-21swapper/109:02:021
195424899378377,1cyclictest2132567-21kworker/1:212:10:011
195424899378377,1cyclictest2021267-21kworker/1:210:15:021
195424899378377,1cyclictest1924353-21kworker/1:008:50:021
195424899378377,1cyclictest0-21swapper/108:42:021
1954248993780,378cyclictest0-21swapper/108:08:021
1954248993780,378cyclictest0-21swapper/108:08:021
195424899377376,1cyclictest2075417-21kworker/1:010:33:011
195424899377376,1cyclictest2021267-21kworker/1:209:09:021
195424899377375,1cyclictest1924353-21kworker/1:008:21:021
195424899377375,1cyclictest1924353-21kworker/1:007:37:021
195424899376375,1cyclictest2021267-21kworker/1:209:59:021
195424899376374,1cyclictest2150621-21kworker/1:112:38:021
195424899376374,1cyclictest2132567-21kworker/1:212:33:011
195424899376374,1cyclictest2132567-21kworker/1:212:33:011
195424899376374,1cyclictest2021267-21kworker/1:210:27:021
195424899376374,1cyclictest1924353-21kworker/1:007:22:021
195424899375374,1cyclictest2090453-21kworker/1:111:13:021
195424899375374,1cyclictest1924353-21kworker/1:007:34:021
195424899374373,1cyclictest2090453-21kworker/1:111:02:021
195424899374373,1cyclictest2090453-21kworker/1:111:02:021
195424899374373,1cyclictest2021267-21kworker/1:209:19:021
195424899374372,1cyclictest2021267-21kworker/1:209:42:021
195424899374372,1cyclictest2021267-21kworker/1:209:27:021
195424899373372,1cyclictest1924353-21kworker/1:008:36:011
195426699327325,1cyclictest0-21swapper/307:15:023
195426699319315,1cyclictest2033020-21systemd-userwor09:20:023
195426699311310,1cyclictest1966773-21kworker/3:211:10:013
195426699311309,1cyclictest2111508-21kworker/3:011:30:013
195426699311309,1cyclictest0-21swapper/308:20:023
195426699311308,2cyclictest1966773-21kworker/3:210:06:023
195426699310309,1cyclictest1966773-21kworker/3:211:05:023
195426699309308,1cyclictest1966773-21kworker/3:210:25:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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