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2026-06-29 - 15:55
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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 Mon Jun 29, 2026 12:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
248778723760,4sleep121-21ksoftirqd/107:05:291
248862299358357,1cyclictest0-21swapper/708:50:017
248862299357356,1cyclictest0-21swapper/709:35:017
248862299357355,1cyclictest0-21swapper/707:38:017
248862299357355,1cyclictest0-21swapper/707:38:017
248862299354353,1cyclictest0-21swapper/708:30:027
248862299354353,1cyclictest0-21swapper/707:29:017
248862299354352,1cyclictest2479434-21kworker/7:109:01:017
248862299353352,1cyclictest0-21swapper/709:26:017
248862299353352,1cyclictest0-21swapper/709:06:017
248862299353352,1cyclictest0-21swapper/707:51:027
248862299353351,1cyclictest0-21swapper/712:25:027
248862299353351,1cyclictest0-21swapper/708:47:017
248862299353351,1cyclictest0-21swapper/707:33:017
248862299351350,1cyclictest0-21swapper/709:14:017
248862299351350,1cyclictest0-21swapper/707:59:027
248862299351349,1cyclictest2479434-21kworker/7:110:02:027
248862299350349,1cyclictest0-21swapper/711:55:017
248862299350349,1cyclictest0-21swapper/711:55:017
248862299348346,1cyclictest2479434-21kworker/7:110:19:017
248862299348346,1cyclictest2479434-21kworker/7:107:18:017
248862299347346,1cyclictest0-21swapper/711:00:017
248862299347346,1cyclictest0-21swapper/710:50:017
248862299347346,1cyclictest0-21swapper/709:20:017
248861799347346,1cyclictest2519496-21kworker/6:208:45:016
248862299346344,1cyclictest0-21swapper/708:27:027
248862299345343,1cyclictest0-21swapper/707:46:017
248861799345344,1cyclictest2519496-21kworker/6:209:10:026
248861799345344,1cyclictest0-21swapper/609:05:026
248861799345344,1cyclictest0-21swapper/608:35:016
248861799345343,2cyclictest2519496-21kworker/6:210:03:026
248862299344343,1cyclictest0-21swapper/709:32:017
248862299344343,1cyclictest0-21swapper/708:05:027
248861799344343,1cyclictest2766927-21kworker/6:107:50:026
248861799344342,1cyclictest0-21swapper/608:40:016
248862299343342,1cyclictest0-21swapper/711:25:017
248862299343342,1cyclictest0-21swapper/709:56:027
248862299343342,1cyclictest0-21swapper/708:55:017
248862299343341,1cyclictest2603738-21kworker/7:010:45:017
248862299343341,1cyclictest0-21swapper/709:16:017
248861799343342,1cyclictest0-21swapper/608:20:026
248861799343342,1cyclictest0-21swapper/607:36:026
248861799343342,1cyclictest0-21swapper/607:36:026
248862299342341,1cyclictest0-21swapper/712:32:027
248862299342341,1cyclictest0-21swapper/710:34:027
248862299342340,1cyclictest2603738-21kworker/7:011:05:017
248861799342341,1cyclictest2519496-21kworker/6:208:18:026
248861799342341,1cyclictest0-21swapper/608:06:016
248861799342341,1cyclictest0-21swapper/607:22:026
248862299341340,1cyclictest0-21swapper/710:40:017
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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