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2026-01-10 - 10:21
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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 Sat Jan 10, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2905602993810,380cyclictest0-21swapper/121:13:021
290560299380379,1cyclictest3131307-21kworker/1:000:27:021
290560299380378,1cyclictest0-21swapper/123:29:021
290560299380378,1cyclictest0-21swapper/123:23:021
2905602993800,379cyclictest0-21swapper/121:23:021
2905602993790,1cyclictest0-21swapper/100:21:021
290559699379378,1cyclictest3137895-21kworker/0:119:58:020
290560299378377,1cyclictest2988721-21kworker/1:221:43:021
290560299378376,1cyclictest0-21swapper/121:27:021
290560299378375,2cyclictest0-21swapper/121:07:021
290560299377375,1cyclictest0-21swapper/122:47:021
290560299377375,1cyclictest0-21swapper/121:51:021
290560299377375,1cyclictest0-21swapper/121:47:021
290560299376374,1cyclictest3131307-21kworker/1:023:59:021
290560299376374,1cyclictest3131307-21kworker/1:023:59:021
290560299376374,1cyclictest0-21swapper/123:49:021
290560299376373,1cyclictest0-21swapper/122:53:021
290565199375374,1cyclictest3086618-21kworker/7:222:39:027
290560299375374,1cyclictest1919874-21kworker/1:119:25:021
290560299375374,1cyclictest0-21swapper/122:40:021
290560299375374,1cyclictest0-21swapper/121:17:021
290560299375374,1cyclictest0-21swapper/119:31:021
290560299375373,1cyclictest0-21swapper/119:55:021
290560299374373,1cyclictest3032503-21kworker/1:122:01:021
290560299374373,1cyclictest0-21swapper/123:40:021
290560299374373,1cyclictest0-21swapper/120:45:021
290560299374372,1cyclictest0-21swapper/122:29:021
290560299374372,1cyclictest0-21swapper/122:29:021
290560299374372,1cyclictest0-21swapper/121:01:021
290560299374372,1cyclictest0-21swapper/120:27:021
290560299374372,1cyclictest0-21swapper/119:39:021
290560299373372,1cyclictest3062325-21kworker/1:223:13:021
290560299373371,1cyclictest3131307-21kworker/1:000:15:021
290560299373371,1cyclictest0-21swapper/123:17:021
290565199372371,1cyclictest0-21swapper/722:13:027
290560299372371,1cyclictest2936525-21kworker/1:020:03:021
290560299372371,1cyclictest0-21swapper/120:55:021
290560299372371,1cyclictest0-21swapper/120:55:021
290560299372371,1cyclictest0-21swapper/119:23:021
290565199371370,1cyclictest0-21swapper/723:23:027
290565199370369,1cyclictest0-21swapper/723:29:027
290565199370369,1cyclictest0-21swapper/700:34:027
290560299370369,1cyclictest3062325-21kworker/1:223:07:021
290560299370369,1cyclictest1919874-21kworker/1:120:31:021
290560299370369,1cyclictest0-21swapper/120:23:021
290560299370368,1cyclictest0-21swapper/120:42:021
290560299370367,2cyclictest0-21swapper/120:11:021
290565199369366,2cyclictest0-21swapper/721:07:027
290565199368366,1cyclictest3212464-21kworker/7:000:35:027
290565199368366,1cyclictest3017485-21kworker/7:221:59:027
290565199368366,1cyclictest0-21swapper/721:53:017
290565199367365,1cyclictest0-21swapper/722:53:027
290560299367366,1cyclictest0-21swapper/120:52:021
290560299367366,1cyclictest0-21swapper/120:37:021
290565199366365,1cyclictest0-21swapper/719:31:027
290560299366365,1cyclictest3131307-21kworker/1:000:03:011
290560299365364,1cyclictest3062325-21kworker/1:222:37:021
290565199364363,1cyclictest2915482-21kworker/7:120:19:027
290565199364363,1cyclictest0-21swapper/720:07:027
290560299364363,1cyclictest0-21swapper/119:41:021
290560299364363,1cyclictest0-21swapper/119:19:021
290565199363360,2cyclictest2915482-21kworker/7:120:53:027
290560299363362,1cyclictest0-21swapper/123:53:021
290560299363362,1cyclictest0-21swapper/119:11:021
290565199362360,1cyclictest2915482-21kworker/7:119:53:027
290560299362361,1cyclictest1919874-21kworker/1:119:49:021
290560299361360,1cyclictest0-21swapper/122:10:021
290560299361359,1cyclictest3131307-21kworker/1:000:36:021
290565199360358,1cyclictest3212464-21kworker/7:000:23:027
290565199360358,1cyclictest2899460-21kworker/7:019:29:037
290560299360359,1cyclictest2936525-21kworker/1:020:09:021
290560299360359,1cyclictest0-21swapper/122:33:021
290560299359358,1cyclictest3131307-21kworker/1:023:35:021
290560299359358,1cyclictest3131307-21kworker/1:000:10:021
290560299359358,1cyclictest0-21swapper/119:50:021
290565199358357,1cyclictest3212464-21kworker/7:000:26:027
290565199358357,1cyclictest3113091-21kworker/7:223:31:027
290565199357356,1cyclictest3113091-21kworker/7:200:09:027
290565199357356,1cyclictest2972630-21kworker/7:021:16:027
290565199357355,1cyclictest0-21swapper/723:02:027
290561499357355,1cyclictest0-21swapper/221:13:022
290561499357354,2cyclictest2861895-21kworker/2:119:15:022
290565199356354,1cyclictest3049620-21kworker/7:022:56:027
290563599356355,1cyclictest3200073-21kworker/5:219:59:025
290560299356355,1cyclictest0-21swapper/120:18:021
290565199355354,1cyclictest2972630-21kworker/7:021:36:027
290565199355353,1cyclictest3113091-21kworker/7:223:51:027
290565199355353,1cyclictest3017485-21kworker/7:221:45:027
290565199355353,1cyclictest0-21swapper/723:37:027
290565199355353,1cyclictest0-21swapper/721:20:027
290565199354353,1cyclictest2972630-21kworker/7:021:30:027
290565199354353,1cyclictest0-21swapper/722:34:027
290565199354353,1cyclictest0-21swapper/722:17:027
290565199354352,2cyclictest3113091-21kworker/7:223:14:027
290561499354352,1cyclictest3070763-21kworker/2:223:21:022
290561499354352,1cyclictest2997116-21kworker/2:222:03:022
290565199353352,1cyclictest3113091-21kworker/7:223:55:027
290565199353352,1cyclictest3113091-21kworker/7:223:55:027
290565199353352,1cyclictest0-21swapper/723:42:027
290565199353352,1cyclictest0-21swapper/722:45:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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