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2026-06-30 - 22:04
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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 Tue Jun 30, 2026 12:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
285388424390,12sleep4421ksoftirqd/407:05:144
285627899384383,1cyclictest0-21swapper/412:31:024
285627899383382,1cyclictest2902218-21kworker/4:211:45:024
285627899383382,1cyclictest2902218-21kworker/4:211:30:024
285627899381380,1cyclictest2902218-21kworker/4:210:37:024
2856278993810,380cyclictest2902218-21kworker/4:208:25:024
285627899380379,1cyclictest0-21swapper/412:06:024
285627899379378,1cyclictest3146562-21kworker/4:107:44:034
285627899379378,1cyclictest3049658-21kworker/4:112:36:024
285627899379378,1cyclictest2902218-21kworker/4:211:36:024
285627899379378,1cyclictest0-21swapper/409:35:034
285627899379377,1cyclictest2992487-21kworker/4:111:19:024
285627899378377,1cyclictest2902218-21kworker/4:211:52:024
285627899378377,1cyclictest0-21swapper/411:09:024
285627899378377,1cyclictest0-21swapper/410:03:024
285627899378376,1cyclictest2902218-21kworker/4:212:12:024
285627899377376,1cyclictest3146562-21kworker/4:107:26:024
285627899377376,1cyclictest0-21swapper/408:34:034
285627899377376,1cyclictest0-21swapper/407:18:024
285627899376375,1cyclictest3146562-21kworker/4:107:57:024
285627899376375,1cyclictest0-21swapper/411:29:024
285627899376374,1cyclictest0-21swapper/408:14:024
285627899375374,1cyclictest3146562-21kworker/4:108:01:024
285627899375374,1cyclictest0-21swapper/410:13:024
285627899375374,1cyclictest0-21swapper/408:07:024
285627899375373,1cyclictest0-21swapper/410:54:024
285627899374373,1cyclictest0-21swapper/409:30:034
285627899374372,1cyclictest2902218-21kworker/4:211:55:024
285627899374372,1cyclictest0-21swapper/410:25:024
285627899373372,1cyclictest2902218-21kworker/4:208:47:024
285627899373372,1cyclictest2902218-21kworker/4:208:47:024
285627899373372,1cyclictest2902218-21kworker/4:208:39:024
285627899373371,1cyclictest3146562-21kworker/4:107:51:024
285627899373371,1cyclictest0-21swapper/407:11:024
285627899372371,1cyclictest3146562-21kworker/4:107:32:024
285627899372371,1cyclictest2902218-21kworker/4:211:40:024
285627899372371,1cyclictest2902218-21kworker/4:211:40:024
285627899372371,1cyclictest0-21swapper/409:57:024
285627899371370,1cyclictest3146562-21kworker/4:108:18:024
285627899371369,1cyclictest2902218-21kworker/4:208:57:034
285627899370369,1cyclictest2902218-21kworker/4:212:19:024
285627899370369,1cyclictest0-21swapper/412:28:024
285627899370369,1cyclictest0-21swapper/410:31:024
285627899370368,1cyclictest2902218-21kworker/4:212:21:024
285627899370368,1cyclictest2902218-21kworker/4:209:54:024
285627899370368,1cyclictest2902218-21kworker/4:209:02:024
285627899369368,1cyclictest3146562-21kworker/4:108:23:024
285627899369368,1cyclictest2992487-21kworker/4:111:13:024
285627899369368,1cyclictest2902218-21kworker/4:210:18:024
285627899369368,1cyclictest2902218-21kworker/4:210:18:024
285627899369368,1cyclictest2902218-21kworker/4:209:27:034
285627899369368,1cyclictest2902218-21kworker/4:209:21:024
285627899369368,1cyclictest2902218-21kworker/4:209:16:024
285627899369368,1cyclictest2902218-21kworker/4:209:07:024
285627899369368,1cyclictest0-21swapper/411:04:024
285627899369368,1cyclictest0-21swapper/409:43:024
285627899369368,1cyclictest0-21swapper/408:44:024
285627899368367,1cyclictest3146562-21kworker/4:107:36:024
285627899368367,1cyclictest2902218-21kworker/4:210:44:024
285627899368367,1cyclictest0-21swapper/411:22:024
285627899368367,1cyclictest0-21swapper/409:14:024
285627899368366,1cyclictest2902218-21kworker/4:209:46:024
285629999366365,1cyclictest0-21swapper/711:35:027
285629999365363,1cyclictest0-21swapper/712:01:027
285629999361360,1cyclictest2995497-21kworker/7:212:25:027
285629999361360,1cyclictest0-21swapper/710:08:027
285629999358357,1cyclictest0-21swapper/710:41:027
285629999358357,1cyclictest0-21swapper/710:36:027
285629999358356,1cyclictest0-21swapper/710:21:027
285629999356355,1cyclictest0-21swapper/711:53:027
285629999355353,1cyclictest2977451-21kworker/7:110:50:027
285629999355353,1cyclictest0-21swapper/710:49:027
285629999354352,1cyclictest3113961-21kworker/7:007:15:027
285629999353351,1cyclictest2995497-21kworker/7:212:10:027
285629999352351,1cyclictest2902137-21kworker/7:210:00:027
285629999352350,1cyclictest2995497-21kworker/7:212:18:027
285629999352350,1cyclictest2977451-21kworker/7:110:56:027
285629999351349,1cyclictest0-21swapper/707:28:027
285629999350349,1cyclictest0-21swapper/711:49:027
285629999350349,1cyclictest0-21swapper/709:55:027
285629999350349,1cyclictest0-21swapper/707:55:027
285626299350347,1cyclictest2863100-21kworker/2:209:15:022
285629999349348,1cyclictest2995497-21kworker/7:212:09:027
285629999348347,1cyclictest2995497-21kworker/7:211:58:027
285629999348347,1cyclictest0-21swapper/711:11:037
285629999348347,1cyclictest0-21swapper/708:09:027
285629999348346,1cyclictest0-21swapper/709:42:027
285626299348347,1cyclictest0-21swapper/212:16:022
285629999347346,1cyclictest0-21swapper/709:49:027
285629999347346,1cyclictest0-21swapper/709:06:027
285629999347346,1cyclictest0-21swapper/708:27:037
285629999347346,1cyclictest0-21swapper/707:54:027
285629999347345,1cyclictest0-21swapper/711:02:037
285629999347345,1cyclictest0-21swapper/709:36:027
285629999347345,1cyclictest0-21swapper/709:28:027
285629999347345,1cyclictest0-21swapper/708:53:027
285629999346345,1cyclictest0-21swapper/707:47:027
285629999346344,1cyclictest3113961-21kworker/7:007:31:027
285629999346344,1cyclictest2814730-21kworker/7:108:55:037
285629999346344,1cyclictest0-21swapper/708:41:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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