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2026-04-07 - 13:35
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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 highest latencies:
System rack6slot5.osadl.org (updated Tue Apr 07, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
161799999925096,4885cyclictest26052-21kworker/0:021:02:320
161799998605212,4636cyclictest17620-21kworker/0:220:43:110
161799998005185,4604cyclictest15154-21kworker/0:222:02:420
161799997995183,4605cyclictest15154-21kworker/0:221:46:410
161799997655168,4586cyclictest30123-21kworker/0:100:08:170
161799997605167,4588cyclictest17620-21kworker/0:220:39:200
161799997595166,4582cyclictest18736-21kworker/0:120:20:450
161799997535164,4578cyclictest901-21kworker/0:000:32:110
161799996625114,4537cyclictest17437-21kworker/0:222:46:530
161799996464776,4828cyclictest18736-21kworker/0:119:41:120
161799996085092,4511cyclictest26052-21kworker/0:021:06:230
161799994805026,4443cyclictest26052-21kworker/0:021:30:430
161799994755021,4443cyclictest17620-21kworker/0:220:46:580
161799994424823,4607cyclictest26052-21kworker/0:021:22:400
161799993895101,4285cyclictest18736-21kworker/0:119:13:310
161799993534780,4562cyclictest18736-21kworker/0:119:20:370
161799992154710,4493cyclictest26052-21kworker/0:021:38:590
161799992104711,4495cyclictest18736-21kworker/0:119:53:430
161799992104701,4498cyclictest30994-21kworker/0:023:48:140
161799991994705,4489cyclictest26052-21kworker/0:021:26:330
161799991734692,4470cyclictest30994-21kworker/0:023:44:090
161799991134755,4347cyclictest18736-21kworker/0:120:32:230
161799990464623,4412cyclictest15154-21kworker/0:222:27:050
161799990454523,4518cyclictest17437-21kworker/0:223:03:190
161799990344619,4404cyclictest18736-21kworker/0:120:16:570
161799989494576,4362cyclictest18736-21kworker/0:119:27:530
161799988344467,4307cyclictest18736-21kworker/0:119:37:140
161799987724389,4379cyclictest15154-21kworker/0:222:23:120
161799987154459,4245cyclictest901-21kworker/0:000:16:230
161799987034555,4138cyclictest17437-21kworker/0:223:07:370
161799986954431,4253cyclictest8576-21kworker/0:122:39:080
161799986574529,4117cyclictest30994-21kworker/0:023:39:370
161799985894260,4277cyclictest18736-21kworker/0:120:26:420
161799985614483,4067cyclictest17437-21kworker/0:222:55:090
161799984694537,3927cyclictest18736-21kworker/0:119:31:320
161799981894253,3885cyclictest18736-21kworker/0:120:03:270
161799980994354,3741cyclictest901-21kworker/0:000:24:060
161799980024163,3824cyclictest15154-21kworker/0:221:41:310
161799977274223,3453cyclictest17620-21kworker/0:220:56:470
161799977214024,3637cyclictest901-21kworker/0:000:38:400
161799977164107,3558cyclictest15154-21kworker/0:221:57:180
161799976843816,3826cyclictest18736-21kworker/0:119:48:130
161799976634102,3510cyclictest18736-21kworker/0:120:07:190
161799976434090,3502cyclictest30123-21kworker/0:100:10:590
161799976293879,3735cyclictest15154-21kworker/0:221:52:490
161799976044063,3481cyclictest18736-21kworker/0:120:11:100
161799974593815,3629cyclictest26052-21kworker/0:021:16:450
161799973863795,3548cyclictest15154-21kworker/0:222:12:580
161799971783542,3585cyclictest30994-21kworker/0:023:30:120
161799971293751,3367cyclictest26052-21kworker/0:021:10:160
161799971203861,3248cyclictest18736-21kworker/0:119:17:050
161799970523731,3317cyclictest901-21kworker/0:000:28:050
161799970453876,3117cyclictest30994-21kworker/0:023:22:010
161799970113691,3305cyclictest30994-21kworker/0:023:26:090
161799969933465,3513cyclictest15154-21kworker/0:222:17:240
161799969093555,3343cyclictest8576-21kworker/0:122:43:010
161799968973732,3154cyclictest30994-21kworker/0:023:52:180
161799968663540,3314cyclictest30994-21kworker/0:023:19:280
161799968553730,3114cyclictest18736-21kworker/0:119:57:430
161799968453594,3200cyclictest17620-21kworker/0:220:52:510
161799968403623,3206cyclictest15154-21kworker/0:222:06:300
161799967503542,3193cyclictest17437-21kworker/0:222:53:150
161799965603349,3160cyclictest30994-21kworker/0:023:10:150
161799965193514,2962cyclictest23027-21kworker/0:200:02:360
161799964573364,3013cyclictest8576-21kworker/0:122:33:170
161799963323431,2842cyclictest23027-21kworker/0:223:58:360
156622579183,203sleep00-21swapper19:06:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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