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2026-04-20 - 00:04
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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 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
195426699309308,1cyclictest1966773-21kworker/3:209:25:023
195426699309307,1cyclictest0-21swapper/312:30:023
195426699309307,1cyclictest0-21swapper/312:30:023
195426699308307,1cyclictest1966773-21kworker/3:210:40:023
195426699308307,1cyclictest1966773-21kworker/3:209:30:023
195426699307306,1cyclictest2111508-21kworker/3:011:35:023
195426699307306,1cyclictest0-21swapper/310:24:023
195426699307305,1cyclictest1966773-21kworker/3:209:36:023
195426699307305,1cyclictest0-21swapper/311:50:023
195426699306305,1cyclictest1966773-21kworker/3:207:55:023
195426699306305,1cyclictest0-21swapper/309:40:023
195426699306305,1cyclictest0-21swapper/309:15:023
195426699306305,1cyclictest0-21swapper/307:33:023
195426699305304,1cyclictest1966773-21kworker/3:207:54:023
195426699305303,1cyclictest2111508-21kworker/3:012:28:023
195426699305303,1cyclictest2111508-21kworker/3:012:21:023
195426699305303,1cyclictest1966773-21kworker/3:209:56:023
195426699305303,1cyclictest0-21swapper/310:51:023
195426699304303,1cyclictest1966773-21kworker/3:210:57:023
195426699304303,1cyclictest1966773-21kworker/3:209:51:023
195426699304303,1cyclictest1966773-21kworker/3:209:12:023
195426699304303,1cyclictest1966773-21kworker/3:208:32:023
195426699304303,1cyclictest1966773-21kworker/3:208:12:023
195426699304303,1cyclictest1966773-21kworker/3:207:41:013
195426699304303,1cyclictest0-21swapper/309:48:023
195426699304302,1cyclictest1966773-21kworker/3:210:36:013
195426699304302,1cyclictest1966773-21kworker/3:208:16:023
195426699304302,1cyclictest1966773-21kworker/3:207:47:023
195426699304302,1cyclictest0-21swapper/308:29:013
195426699304301,2cyclictest2111508-21kworker/3:011:47:023
195426699303302,1cyclictest1966773-21kworker/3:210:49:023
195426699303302,1cyclictest1966773-21kworker/3:208:58:023
195426699303302,1cyclictest0-21swapper/307:39:013
195426699303301,1cyclictest0-21swapper/311:59:023
195424199293291,1cyclictest0-21swapper/010:55:020
195424199292291,1cyclictest0-21swapper/010:35:020
195424199292290,1cyclictest0-21swapper/009:35:010
195424199291290,1cyclictest0-21swapper/011:06:020
195424199291290,1cyclictest0-21swapper/008:55:020
195424199291290,1cyclictest0-21swapper/008:49:020
195424199291290,1cyclictest0-21swapper/008:25:020
195424199291288,2cyclictest0-21swapper/010:13:020
195424199290289,1cyclictest0-21swapper/012:27:020
195424199290289,1cyclictest0-21swapper/012:09:020
195424199290289,1cyclictest0-21swapper/010:34:020
195424199290289,1cyclictest0-21swapper/007:40:020
195424199289288,1cyclictest0-21swapper/012:11:020
195424199289288,1cyclictest0-21swapper/012:04:020
195424199289288,1cyclictest0-21swapper/008:00:020
195424199289288,1cyclictest0-21swapper/007:25:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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