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2026-04-08 - 10:28
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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 rack6slot5.osadl.org (updated Wed Apr 08, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
934299105805408,5161cyclictest12938-21kworker/0:123:51:040
934299103305283,5036cyclictest4778-21kworker/0:121:37:270
934299102135276,4877cyclictest26076-21kworker/0:000:22:370
93429999905304,4682cyclictest4778-21kworker/0:122:13:210
93429999785181,4786cyclictest19610-21kworker/0:100:03:070
93429998845126,4747cyclictest4778-21kworker/0:121:45:110
93429998325106,4703cyclictest23398-21kworker/0:019:19:450
93429998174986,4789cyclictest28414-21kworker/0:222:27:460
93429998085211,4586cyclictest23398-21kworker/0:019:26:300
93429997025157,4534cyclictest23398-21kworker/0:019:22:580
93429997025155,4536cyclictest24965-21kworker/0:220:46:580
93429996905046,4634cyclictest26076-21kworker/0:000:36:460
93429996525130,4511cyclictest24965-21kworker/0:221:06:190
93429996405029,4607cyclictest24965-21kworker/0:220:12:100
93429995545084,4459cyclictest24965-21kworker/0:220:00:370
93429993784809,4558cyclictest31717-21kworker/0:223:26:360
93429992974766,4520cyclictest31717-21kworker/0:223:34:500
93429992844760,4513cyclictest4778-21kworker/0:121:41:120
93429992644632,4627cyclictest24965-21kworker/0:221:29:450
93429992584749,4498cyclictest19610-21kworker/0:100:11:020
93429992054720,4474cyclictest24965-21kworker/0:220:23:350
93429991884700,4477cyclictest24965-21kworker/0:221:33:400
93429991584802,4351cyclictest24965-21kworker/0:220:50:450
93429990924663,4425cyclictest26076-21kworker/0:000:19:570
93429990894661,4417cyclictest24965-21kworker/0:221:18:000
93429990684658,4405cyclictest24965-21kworker/0:220:58:300
93429989624674,4264cyclictest23398-21kworker/0:019:14:340
93429987774506,4260cyclictest15965-21kworker/0:022:57:280
93429987714504,4256cyclictest28414-21kworker/0:222:41:050
93429986044286,4303cyclictest24965-21kworker/0:220:29:370
93429985694508,4050cyclictest28414-21kworker/0:222:53:230
93429984944448,4035cyclictest25964-21kworker/0:023:22:270
93429981584252,3854cyclictest4778-21kworker/0:122:15:530
93429981174042,4023cyclictest24965-21kworker/0:220:41:220
93429979374236,3650cyclictest4778-21kworker/0:122:07:450
93429978413885,3941cyclictest24965-21kworker/0:220:18:050
93429977954157,3623cyclictest24965-21kworker/0:221:00:440
93429977223837,3834cyclictest23398-21kworker/0:019:47:150
93429976544098,3496cyclictest28414-21kworker/0:222:39:380
93429976084119,3478cyclictest22934-21kworker/0:123:09:310
93429975063834,3621cyclictest26076-21kworker/0:000:34:550
93429974874020,3416cyclictest24965-21kworker/0:221:12:310
93429974583897,3501cyclictest23398-21kworker/0:019:39:430
93429974323880,3492cyclictest26076-21kworker/0:000:26:470
93429973903672,3674cyclictest31717-21kworker/0:223:49:380
93429971803811,3358cyclictest23398-21kworker/0:019:41:290
93429970603732,3317cyclictest4778-21kworker/0:122:01:330
93429970523844,3197cyclictest28414-21kworker/0:222:33:030
93429969913614,3361cyclictest15965-21kworker/0:023:03:500
93429969873764,3209cyclictest4778-21kworker/0:122:00:060
93429969783452,3512cyclictest17138-21kworker/0:223:57:260
93429968423689,3102cyclictest24965-21kworker/0:219:58:540
93429967673646,3070cyclictest28414-21kworker/0:222:47:260
93429967623601,3150cyclictest23398-21kworker/0:019:33:500
93429966763409,3207cyclictest24965-21kworker/0:221:24:110
93429966683651,3012cyclictest24965-21kworker/0:220:31:200
93429965393358,3166cyclictest4778-21kworker/0:121:51:400
93429964143524,2879cyclictest19610-21kworker/0:100:07:030
93429964133377,2985cyclictest22934-21kworker/0:123:12:020
93429963623445,2857cyclictest24965-21kworker/0:220:06:260
93429963223334,2973cyclictest24965-21kworker/0:219:51:060
93429962783321,2942cyclictest28414-21kworker/0:222:23:460
93429961343286,2837cyclictest24965-21kworker/0:220:35:130
93429960543248,2795cyclictest31717-21kworker/0:223:43:180
93429958713120,2736cyclictest31717-21kworker/0:223:37:190
93429958223132,2679cyclictest25964-21kworker/0:023:17:500
90742812184,203sleep00-21swapper19:08:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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