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2026-09-15 - 01:02
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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 Sep 14, 2026 12:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
866066993810,380cyclictest1131401-21kworker/5:107:51:025
866066993810,1cyclictest1131401-21kworker/5:111:59:025
866066993800,380cyclictest0-21swapper/508:44:015
866066993800,379cyclictest0-21swapper/511:13:015
866066993800,379cyclictest0-21swapper/509:37:025
866066993800,1cyclictest1131401-21kworker/5:109:01:025
866066993800,1cyclictest0-21swapper/509:17:015
86606699379377,1cyclictest0-21swapper/508:10:025
866066993790,379cyclictest1131401-21kworker/5:112:11:025
866066993790,379cyclictest1131401-21kworker/5:110:59:025
866066993790,379cyclictest0-21swapper/508:22:015
866066993790,1cyclictest1131401-21kworker/5:111:21:025
866066993790,1cyclictest1131401-21kworker/5:110:39:025
866066993780,1cyclictest1131401-21kworker/5:109:23:015
86605299378377,1cyclictest957112-21kworker/3:211:59:023
86605299378376,1cyclictest0-21swapper/309:43:023
866066993770,1cyclictest1131401-21kworker/5:108:55:025
86605299377375,1cyclictest957112-21kworker/3:210:59:023
86605299377375,1cyclictest856877-21kworker/3:008:23:023
86606699376375,1cyclictest0-21swapper/508:37:015
86606699376374,1cyclictest0-21swapper/510:47:025
86606699376374,1cyclictest0-21swapper/509:44:025
86606699376374,1cyclictest0-21swapper/509:29:015
86606699376374,1cyclictest0-21swapper/509:05:025
866066993760,376cyclictest1131401-21kworker/5:107:21:025
866066993760,1cyclictest1131401-21kworker/5:111:53:025
866066993760,1cyclictest1131401-21kworker/5:111:31:025
86605299376375,1cyclictest856877-21kworker/3:007:51:023
86606699375374,1cyclictest1131401-21kworker/5:112:05:025
86606699375373,1cyclictest1131401-21kworker/5:111:25:025
86606699375373,1cyclictest0-21swapper/510:24:015
86606699375373,1cyclictest0-21swapper/507:29:025
86605299375373,1cyclictest0-21swapper/310:11:023
86605299375373,1cyclictest0-21swapper/308:15:023
86605299375373,1cyclictest0-21swapper/308:15:023
86606699374373,1cyclictest1131401-21kworker/5:109:45:015
86606699374373,1cyclictest1131401-21kworker/5:108:01:025
86606699374373,1cyclictest1131401-21kworker/5:107:41:025
86606699374373,1cyclictest0-21swapper/508:27:015
86606699374372,1cyclictest1131401-21kworker/5:109:11:025
86606699374372,1cyclictest0-21swapper/511:07:015
86606699374372,1cyclictest0-21swapper/509:59:015
86605299374373,1cyclictest0-21swapper/312:01:023
86605299374372,1cyclictest0-21swapper/308:31:023
86606699373372,1cyclictest1131401-21kworker/5:112:19:025
86606699373371,1cyclictest1131401-21kworker/5:111:47:025
86605299373372,1cyclictest0-21swapper/307:57:023
86605299373371,1cyclictest0-21swapper/311:03:023
86605299373371,1cyclictest0-21swapper/310:31:023
86605299373371,1cyclictest0-21swapper/309:19:023
86605299373371,1cyclictest0-21swapper/308:53:023
86605299373371,1cyclictest0-21swapper/308:29:023
86606699372371,1cyclictest1131401-21kworker/5:110:12:015
86606699372371,1cyclictest0-21swapper/509:30:025
86606699372370,1cyclictest0-21swapper/510:41:025
86605299372371,1cyclictest0-21swapper/312:27:013
86605299372371,1cyclictest0-21swapper/308:57:023
86605299372370,1cyclictest0-21swapper/311:51:023
86605299372370,1cyclictest0-21swapper/310:23:023
86605299372370,1cyclictest0-21swapper/307:31:013
86606699371370,1cyclictest1131401-21kworker/5:107:47:025
86606699371369,1cyclictest1131401-21kworker/5:110:32:025
86605299371370,1cyclictest856877-21kworker/3:008:10:023
86605299371370,1cyclictest0-21swapper/312:21:023
86605299371370,1cyclictest0-21swapper/310:09:023
86605299371370,1cyclictest0-21swapper/307:49:013
86606699370369,1cyclictest0-21swapper/511:17:025
86606699370369,1cyclictest0-21swapper/511:17:025
86606699370369,1cyclictest0-21swapper/509:50:015
86606699370369,1cyclictest0-21swapper/509:50:015
86606699370368,1cyclictest0-21swapper/511:38:025
86605299370369,1cyclictest0-21swapper/310:03:023
86606699369367,1cyclictest0-21swapper/512:38:025
86605299369368,1cyclictest0-21swapper/308:41:023
86605299369367,1cyclictest856877-21kworker/3:009:29:023
86606699368366,1cyclictest1131401-21kworker/5:108:30:015
86605299368366,1cyclictest856877-21kworker/3:007:29:013
86606699365364,1cyclictest1131401-21kworker/5:107:34:025
86606699365363,1cyclictest1053387-21kworker/5:212:33:025
86605299365363,1cyclictest0-21swapper/310:48:023
86606699364363,1cyclictest0-21swapper/510:07:025
86606699364362,1cyclictest1131401-21kworker/5:110:02:025
86606699364362,1cyclictest1131401-21kworker/5:108:46:015
86606699364362,1cyclictest0-21swapper/507:16:025
86606699363361,1cyclictest1131401-21kworker/5:108:51:025
86606699363361,1cyclictest1053387-21kworker/5:212:26:025
86605299363360,2cyclictest1038351-21kworker/3:112:30:023
86606699362361,1cyclictest1131401-21kworker/5:107:36:025
86605299362361,1cyclictest1038351-21kworker/3:112:36:023
86605299362361,1cyclictest0-21swapper/311:20:023
86605299362361,1cyclictest0-21swapper/309:35:013
86605299362360,2cyclictest1038351-21kworker/3:112:16:013
86605299362360,1cyclictest856877-21kworker/3:009:32:013
86602699362361,1cyclictest868762-21kworker/0:210:15:010
86605299361360,1cyclictest957112-21kworker/3:211:35:023
86605299361360,1cyclictest856877-21kworker/3:008:45:023
86605299361359,1cyclictest0-21swapper/310:52:023
86605299361359,1cyclictest0-21swapper/307:35:023
86605299360358,1cyclictest0-21swapper/311:41:023
86602699360358,1cyclictest0-21swapper/009:55:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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