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2026-09-07 - 17:14
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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 Sep 07, 2026 12:46:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252482099375374,1cyclictest0-21swapper/612:25:016
252482099375373,1cyclictest0-21swapper/611:57:026
252482099374373,1cyclictest0-21swapper/609:05:016
252482099374372,1cyclictest0-21swapper/608:49:016
252482099373372,1cyclictest0-21swapper/609:47:026
252482099372371,1cyclictest0-21swapper/611:47:016
252482099372371,1cyclictest0-21swapper/608:01:016
252482099372370,1cyclictest0-21swapper/608:35:016
252482099370367,1cyclictest2703103-21kworker/6:012:11:026
252482099368367,1cyclictest0-21swapper/611:21:016
252482099367365,1cyclictest2552662-21kworker/6:109:03:016
252482099366365,1cyclictest0-21swapper/607:13:016
252482099365364,1cyclictest0-21swapper/612:23:016
252482099365364,1cyclictest0-21swapper/612:23:016
252482099365364,1cyclictest0-21swapper/607:49:026
252482099365363,1cyclictest2552662-21kworker/6:109:11:016
252482099362361,1cyclictest0-21swapper/607:37:026
252482099362360,1cyclictest2552662-21kworker/6:109:27:016
252482099362360,1cyclictest0-21swapper/611:00:026
252482099361359,1cyclictest2703103-21kworker/6:012:07:026
252482099361359,1cyclictest0-21swapper/612:35:026
252482099361359,1cyclictest0-21swapper/611:11:016
252482099361359,1cyclictest0-21swapper/608:18:016
252482099360358,1cyclictest2552662-21kworker/6:110:17:016
252482099359358,1cyclictest0-21swapper/612:30:016
252482099359358,1cyclictest0-21swapper/608:10:016
252482099359358,1cyclictest0-21swapper/607:41:026
252482099359357,1cyclictest2552662-21kworker/6:108:05:016
252482099359357,1cyclictest2552662-21kworker/6:108:05:016
252482099358357,1cyclictest0-21swapper/611:29:016
252482099358357,1cyclictest0-21swapper/607:26:026
252482099358356,1cyclictest2825375-21kworker/6:007:20:026
252482099358356,1cyclictest2552662-21kworker/6:110:07:016
252482099358356,1cyclictest0-21swapper/610:34:026
252482099358356,1cyclictest0-21swapper/609:32:016
252482099358356,1cyclictest0-21swapper/609:32:016
252482099358356,1cyclictest0-21swapper/608:58:016
252482099357356,1cyclictest0-21swapper/610:14:026
252482099356355,1cyclictest0-21swapper/611:18:016
252482099356355,1cyclictest0-21swapper/610:36:026
252482099356354,1cyclictest2825375-21kworker/6:007:50:016
252482099356354,1cyclictest2552662-21kworker/6:110:00:026
252482099355353,1cyclictest2552662-21kworker/6:108:23:016
252482099355353,1cyclictest0-21swapper/611:54:016
252482099354353,1cyclictest2825375-21kworker/6:007:58:016
252482099354352,1cyclictest2552662-21kworker/6:111:36:016
252482099354352,1cyclictest2552662-21kworker/6:110:50:026
252482099354352,1cyclictest2552662-21kworker/6:110:27:026
252482099354352,1cyclictest2552662-21kworker/6:108:40:016
252482099353352,1cyclictest2703103-21kworker/6:012:16:016
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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