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2026-04-13 - 17:58
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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 Mon Apr 13, 2026 12:46:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
391318699381380,1cyclictest3916122-21kworker/5:108:15:025
391314899377375,1cyclictest4173172-21kworker/0:108:59:020
391314899376375,1cyclictest4173172-21kworker/0:108:01:020
391314899376374,1cyclictest4173172-21kworker/0:109:55:020
391314899375374,1cyclictest4173172-21kworker/0:110:01:030
391314899375374,1cyclictest4173172-21kworker/0:110:01:020
391314899374373,1cyclictest0-21swapper/007:47:020
391314899374372,1cyclictest4173172-21kworker/0:109:33:030
391314899373372,1cyclictest4173172-21kworker/0:110:07:020
391314899373371,1cyclictest4173172-21kworker/0:112:03:020
391314899373371,1cyclictest4173172-21kworker/0:110:51:020
391314899372371,1cyclictest4173172-21kworker/0:112:38:020
391314899372370,1cyclictest4173172-21kworker/0:111:39:020
391314899372370,1cyclictest4173172-21kworker/0:108:33:020
391314899371369,1cyclictest4173172-21kworker/0:110:59:030
391314899370369,1cyclictest4173172-21kworker/0:110:17:030
391314899370369,1cyclictest4173172-21kworker/0:109:11:030
391314899370369,1cyclictest0-21swapper/012:05:020
391314899369367,1cyclictest4173172-21kworker/0:112:32:020
391314899368367,1cyclictest4173172-21kworker/0:110:44:020
391314899368367,1cyclictest4173172-21kworker/0:109:37:030
391314899368367,1cyclictest4173172-21kworker/0:108:27:020
391314899368366,1cyclictest4173172-21kworker/0:108:11:020
391314899368366,1cyclictest4173172-21kworker/0:107:54:020
391314899367365,1cyclictest4173172-21kworker/0:110:29:020
391314899367365,1cyclictest4173172-21kworker/0:109:45:020
391314899367365,1cyclictest4173172-21kworker/0:109:40:020
391314899367365,1cyclictest4173172-21kworker/0:107:36:020
391314899366365,1cyclictest4173172-21kworker/0:110:46:020
391320299365363,1cyclictest0-21swapper/710:53:027
391314899365363,1cyclictest4173172-21kworker/0:111:18:020
391314899365363,1cyclictest4173172-21kworker/0:110:34:030
391314899364363,1cyclictest4173172-21kworker/0:107:41:020
391320299363362,1cyclictest0-21swapper/707:35:037
391314899363361,1cyclictest4173172-21kworker/0:111:40:020
391320299362361,1cyclictest63-21ksoftirqd/712:19:037
391320299362360,1cyclictest0-21swapper/711:45:037
391320299362359,2cyclictest0-21swapper/711:19:027
391314899362360,1cyclictest4173172-21kworker/0:108:20:020
391314899362360,1cyclictest0-21swapper/007:24:020
391320299361359,1cyclictest0-21swapper/712:33:027
391320299361359,1cyclictest0-21swapper/712:13:037
391320299361359,1cyclictest0-21swapper/709:53:027
391320299361359,1cyclictest0-21swapper/708:37:027
391320299361359,1cyclictest0-21swapper/708:37:027
391314899361360,1cyclictest4173172-21kworker/0:107:31:020
391314899361359,1cyclictest0-21swapper/007:55:020
391320299360359,1cyclictest0-21swapper/710:55:027
391320299360358,1cyclictest3877769-21kworker/7:007:47:027
391320299360358,1cyclictest0-21swapper/711:51:037
391314899359358,1cyclictest0-21swapper/011:56:020
391314899359358,1cyclictest0-21swapper/011:20:020
391320299358356,1cyclictest3940713-21kworker/7:209:33:027
391320299357355,1cyclictest63-21ksoftirqd/708:41:037
391320299357355,1cyclictest3940713-21kworker/7:211:55:027
391320299357355,1cyclictest3940713-21kworker/7:211:23:037
391320299357355,1cyclictest3940713-21kworker/7:208:47:037
391314899357355,2cyclictest4173172-21kworker/0:107:18:020
391320299356354,1cyclictest3940713-21kworker/7:210:45:027
391320299356354,1cyclictest3940713-21kworker/7:208:33:027
391320299356354,1cyclictest3877769-21kworker/7:007:27:027
391314899356355,1cyclictest4173172-21kworker/0:111:06:020
391320299355354,1cyclictest3940713-21kworker/7:212:05:027
391320299355353,1cyclictest3940713-21kworker/7:212:39:027
391320299355353,1cyclictest3940713-21kworker/7:210:17:037
391320299355353,1cyclictest3940713-21kworker/7:209:57:037
391320299355353,1cyclictest3940713-21kworker/7:209:43:027
391320299355353,1cyclictest3940713-21kworker/7:209:11:027
391320299355353,1cyclictest3940713-21kworker/7:209:01:027
391320299354352,1cyclictest3940713-21kworker/7:212:01:027
391320299354352,1cyclictest3940713-21kworker/7:209:27:027
391320299354352,1cyclictest3940713-21kworker/7:208:27:027
391320299354352,1cyclictest3940713-21kworker/7:208:09:027
391320299353352,1cyclictest3940713-21kworker/7:209:37:027
391320299353351,1cyclictest3940713-21kworker/7:209:17:027
391320299353351,1cyclictest3940713-21kworker/7:208:11:037
391320299352351,1cyclictest3940713-21kworker/7:211:37:037
391320299352350,1cyclictest3940713-21kworker/7:210:39:027
391320299352350,1cyclictest3877769-21kworker/7:007:17:037
391320299351349,1cyclictest3940713-21kworker/7:210:29:027
391317999351349,1cyclictest0-21swapper/408:59:024
391320299350349,1cyclictest0-21swapper/709:47:027
391317999350349,1cyclictest0-21swapper/408:01:024
391317999350348,1cyclictest0-21swapper/410:01:024
391317999350348,1cyclictest0-21swapper/410:01:024
391317999350348,1cyclictest0-21swapper/409:55:034
391320299349347,1cyclictest3877769-21kworker/7:007:41:027
391317999349347,1cyclictest42-21ksoftirqd/412:03:024
391317999349347,1cyclictest0-21swapper/410:07:024
391317999348347,1cyclictest3916106-21kworker/4:107:47:034
391320299347346,1cyclictest0-21swapper/711:25:037
391320299347346,1cyclictest0-21swapper/711:25:037
391317999347346,1cyclictest0-21swapper/412:38:024
391317999347346,1cyclictest0-21swapper/410:51:024
391317999347346,1cyclictest0-21swapper/409:33:024
391320299346345,1cyclictest0-21swapper/710:00:037
391320299346345,1cyclictest0-21swapper/710:00:027
391320299346343,2cyclictest0-21swapper/711:00:027
391317999346345,1cyclictest0-21swapper/411:39:024
391317999346344,1cyclictest4049342-21kworker/4:012:05:034
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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