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2026-06-02 - 10:22
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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 Tue Jun 02, 2026 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
93392399380379,1cyclictest973819-21kworker/7:021:55:027
93390999374373,1cyclictest1152925-21kworker/5:100:03:025
93390999374373,1cyclictest1098182-21kworker/5:223:07:025
93390999374373,1cyclictest1019057-21kworker/5:021:57:025
93390999374373,1cyclictest1019057-21kworker/5:021:45:025
93390999373371,1cyclictest991635-21kworker/5:220:49:025
93390999372371,1cyclictest1003914-21kworker/5:121:11:025
93390999372369,2cyclictest1152925-21kworker/5:123:22:025
93390999371369,1cyclictest0-21swapper/523:54:015
93390999370369,1cyclictest1209907-21kworker/5:119:41:025
93387399370369,1cyclictest0-21swapper/121:01:021
93390999369368,1cyclictest0-21swapper/522:35:025
93390999368367,1cyclictest1209907-21kworker/5:120:17:025
93390999368366,1cyclictest1152925-21kworker/5:123:49:025
93387399368367,1cyclictest0-21swapper/121:05:021
93390999367366,1cyclictest0-21swapper/523:19:025
93390999367366,1cyclictest0-21swapper/522:49:025
93390999367365,1cyclictest1098182-21kworker/5:222:31:025
93389399367366,1cyclictest0-21swapper/321:55:023
93390999366365,1cyclictest0-21swapper/523:11:025
93390999366365,1cyclictest0-21swapper/523:11:025
93390999365364,1cyclictest0-21swapper/521:36:025
93390999364363,1cyclictest0-21swapper/500:18:025
93390999364362,2cyclictest1098182-21kworker/5:222:28:025
93387399364363,1cyclictest0-21swapper/123:44:021
93387399364363,1cyclictest0-21swapper/100:39:021
93387399364363,1cyclictest0-21swapper/100:39:021
93387399364362,1cyclictest0-21swapper/123:27:021
93387399364362,1cyclictest0-21swapper/122:27:021
93387399364362,1cyclictest0-21swapper/121:37:021
933873993640,363cyclictest0-21swapper/121:13:021
93390999363362,1cyclictest1209907-21kworker/5:119:36:025
93390999363362,1cyclictest1098182-21kworker/5:222:56:025
93390999363360,2cyclictest1019057-21kworker/5:021:50:025
93387399363362,1cyclictest1000899-21kworker/1:021:17:021
93387399363362,1cyclictest0-21swapper/122:43:021
93387399363361,1cyclictest0-21swapper/123:09:021
93387399363361,1cyclictest0-21swapper/122:07:021
93391599362360,1cyclictest0-21swapper/622:19:026
93390999362361,1cyclictest1209907-21kworker/5:120:31:025
93390999362361,1cyclictest0-21swapper/523:41:025
93387399362361,1cyclictest0-21swapper/122:59:021
93387399362361,1cyclictest0-21swapper/121:49:021
93387399362361,1cyclictest0-21swapper/100:33:021
93390999361360,1cyclictest1209907-21kworker/5:120:29:025
93390999361359,1cyclictest0-21swapper/522:12:025
93387399361360,1cyclictest0-21swapper/122:21:021
93387399361359,1cyclictest0-21swapper/122:45:021
93387399361358,2cyclictest1065650-21ssh21:57:021
93390999360359,1cyclictest1209907-21kworker/5:120:00:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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