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2026-04-18 - 09:10
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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 Sat Apr 18, 2026 00:46:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134086799381379,1cyclictest1455875-21kworker/5:122:26:025
134086799380379,1cyclictest1455875-21kworker/5:122:16:015
134086799380378,1cyclictest1602943-21kworker/5:220:58:015
134086799380378,1cyclictest1314263-21kworker/5:119:44:025
134086799380378,1cyclictest1314263-21kworker/5:119:33:015
1340867993800,379cyclictest0-21swapper/520:34:025
1340867993800,1cyclictest0-21swapper/520:37:025
134086799379377,1cyclictest1602943-21kworker/5:220:46:025
134086799378376,1cyclictest1602943-21kworker/5:220:29:025
134086799378376,1cyclictest1314263-21kworker/5:120:14:015
134086799378376,1cyclictest1314263-21kworker/5:119:46:025
134086799378376,1cyclictest1314263-21kworker/5:119:26:025
134086799377375,1cyclictest1602943-21kworker/5:220:53:015
134086799377375,1cyclictest1602943-21kworker/5:220:53:015
134086799377375,1cyclictest1602943-21kworker/5:220:42:025
134086799376375,1cyclictest1314263-21kworker/5:119:18:025
134086799376374,1cyclictest1314263-21kworker/5:119:23:025
134083499370369,1cyclictest0-21swapper/123:27:011
134083499368367,1cyclictest0-21swapper/100:05:011
134083499367365,1cyclictest0-21swapper/100:37:011
134083499366365,1cyclictest0-21swapper/122:57:021
134088199359357,2cyclictest1464232-21kworker/7:122:51:027
134088199359356,2cyclictest1464232-21kworker/7:123:43:017
134088199358357,1cyclictest0-21swapper/722:28:027
134088199358355,2cyclictest1464232-21kworker/7:123:57:027
134088199357356,1cyclictest1634192-21kworker/7:200:20:027
134088199357355,1cyclictest1052859-21kworker/7:221:48:017
134088199356355,1cyclictest1464232-21kworker/7:122:33:027
134088199356354,2cyclictest1464232-21kworker/7:123:17:027
134088199356353,2cyclictest1464232-21kworker/7:123:23:027
134088199355354,1cyclictest1464232-21kworker/7:122:40:017
134088199355354,1cyclictest1464232-21kworker/7:122:09:017
134088199355353,1cyclictest1464232-21kworker/7:122:21:027
134088199355353,1cyclictest1464232-21kworker/7:122:21:017
134088199355353,1cyclictest1052859-21kworker/7:220:45:017
134088199355353,1cyclictest0-21swapper/723:00:017
134086099355352,2cyclictest1401847-21kworker/4:200:39:014
134088199354353,1cyclictest1464232-21kworker/7:123:52:027
134088199354351,3cyclictest1464232-21kworker/7:122:35:027
134088199353352,1cyclictest1464232-21kworker/7:121:55:027
134088199353351,1cyclictest1464232-21kworker/7:122:59:027
134088199353350,2cyclictest1634192-21kworker/7:200:17:017
134088199352351,1cyclictest1052859-21kworker/7:221:18:027
134088199352350,1cyclictest1052859-21kworker/7:221:21:017
134088199352350,1cyclictest1052859-21kworker/7:221:00:027
134088199351350,1cyclictest1052859-21kworker/7:219:20:027
134088199351349,1cyclictest1052859-21kworker/7:220:55:027
134088199350349,1cyclictest1646068-21kworker/7:000:28:027
134088199350349,1cyclictest1052859-21kworker/7:220:11:027
134088199350348,2cyclictest1052859-21kworker/7:219:10:027
134088199350348,1cyclictest1052859-21kworker/7:219:35:027
134088199349347,1cyclictest1052859-21kworker/7:220:02:017
134088199349347,1cyclictest1052859-21kworker/7:219:53:027
134088199349347,1cyclictest1052859-21kworker/7:219:41:027
134086799349348,1cyclictest1549644-21kworker/5:223:27:025
134086099349348,1cyclictest1401847-21kworker/4:222:06:014
134086099349348,1cyclictest0-21swapper/421:26:024
134088199348347,1cyclictest1052859-21kworker/7:219:57:027
134088199348347,1cyclictest1052859-21kworker/7:219:31:027
134086099348347,1cyclictest0-21swapper/423:05:014
134086099348346,1cyclictest0-21swapper/421:59:024
134088199347346,1cyclictest1052859-21kworker/7:219:48:027
134088199347345,1cyclictest1052859-21kworker/7:220:07:017
134086099347346,1cyclictest0-21swapper/423:21:024
134086099347346,1cyclictest0-21swapper/422:17:024
134086099347345,1cyclictest1401847-21kworker/4:200:31:024
134086099347345,1cyclictest0-21swapper/422:53:024
134086099347345,1cyclictest0-21swapper/400:01:024
134083499347345,1cyclictest0-21swapper/123:34:011
134088199346344,1cyclictest1052859-21kworker/7:221:06:027
134086799346345,1cyclictest1616025-21kworker/5:000:05:025
134086099346345,1cyclictest0-21swapper/422:36:024
134086099346345,1cyclictest0-21swapper/421:24:024
134086099346345,1cyclictest0-21swapper/421:19:014
134086099346344,1cyclictest0-21swapper/421:31:024
134086099346344,1cyclictest0-21swapper/400:12:014
134086799345344,1cyclictest1645972-21kworker/5:200:37:025
134086799345344,1cyclictest1455875-21kworker/5:122:57:025
134086099345344,1cyclictest0-21swapper/423:53:024
134086099345344,1cyclictest0-21swapper/422:10:024
134086099345344,1cyclictest0-21swapper/421:53:024
134086099345343,1cyclictest0-21swapper/419:25:014
134086099344343,1cyclictest1401847-21kworker/4:223:55:024
134086099344343,1cyclictest0-21swapper/421:41:014
134086099344342,1cyclictest0-21swapper/420:35:014
134086099343342,1cyclictest0-21swapper/420:08:024
134086099342341,1cyclictest1401847-21kworker/4:222:45:024
134086099342341,1cyclictest0-21swapper/420:12:024
134086099341340,1cyclictest1401847-21kworker/4:223:45:024
134086099341340,1cyclictest1401847-21kworker/4:223:33:014
134086099341340,1cyclictest1401847-21kworker/4:223:16:024
134086099341340,1cyclictest1401847-21kworker/4:200:22:024
134086099341340,1cyclictest0-21swapper/423:36:014
134086099341340,1cyclictest0-21swapper/419:55:014
134086099341340,1cyclictest0-21swapper/419:30:024
134086099341339,1cyclictest0-21swapper/419:45:024
134086099340339,1cyclictest1401847-21kworker/4:222:31:014
134086099340339,1cyclictest1401847-21kworker/4:221:45:014
134086099340339,1cyclictest1401847-21kworker/4:221:37:024
134086099340338,2cyclictest1401847-21kworker/4:222:22:014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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