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2025-12-10 - 00:30
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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 Dec 09, 2025 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1854099112715801,5466cyclictest12026-21kworker/0:010:59:390
1854099105415351,5186cyclictest31049-21kworker/0:110:08:040
1854099105155335,5169cyclictest12026-21kworker/0:011:07:210
185409998665205,4650cyclictest31049-21kworker/0:110:20:020
185409997705150,4608cyclictest12026-21kworker/0:011:28:000
185409997215131,4579cyclictest18090-21kworker/0:208:34:420
185409996685111,4553cyclictest18090-21kworker/0:208:19:240
185409996264979,4642cyclictest15043-21kworker/0:112:28:400
185409993184745,4561cyclictest12026-21kworker/0:011:31:450
185409992464711,4524cyclictest18090-21kworker/0:209:33:090
185409991164748,4357cyclictest18090-21kworker/0:208:38:330
185409991064640,4455cyclictest18090-21kworker/0:209:01:560
185409990574621,4432cyclictest18090-21kworker/0:208:08:050
185409990334608,4420cyclictest18090-21kworker/0:208:27:060
185409989864583,4392cyclictest18090-21kworker/0:207:34:230
185409989074543,4353cyclictest18090-21kworker/0:208:04:170
185409988604524,4332cyclictest18090-21kworker/0:207:23:310
185409988344703,4120cyclictest18090-21kworker/0:208:58:040
185409988304601,4218cyclictest18090-21kworker/0:208:11:500
185409988264601,4214cyclictest18090-21kworker/0:207:45:330
185409987904479,4307cyclictest18090-21kworker/0:209:13:260
185409987354654,4071cyclictest18090-21kworker/0:207:56:480
185409986634517,4135cyclictest32071-21kworker/0:212:08:180
185409985284335,4189cyclictest19504-21kworker/0:111:35:460
185409984774309,4163cyclictest32071-21kworker/0:212:04:180
185409984404311,4118cyclictest12026-21kworker/0:010:35:480
185409982554147,4057cyclictest18090-21kworker/0:208:48:160
185409982364453,3740cyclictest32071-21kworker/0:212:22:460
185409982254144,4004cyclictest18090-21kworker/0:209:07:420
185409980384259,3728cyclictest12026-21kworker/0:010:30:130
185409980304376,3603cyclictest18090-21kworker/0:209:58:520
185409980274313,3663cyclictest18090-21kworker/0:209:38:410
185409980184051,3916cyclictest18090-21kworker/0:208:21:200
185409979794150,3814cyclictest18090-21kworker/0:207:18:010
185409978984191,3656cyclictest19504-21kworker/0:111:54:250
185409978484197,3636cyclictest12026-21kworker/0:011:01:510
185409978354180,3640cyclictest12026-21kworker/0:010:50:040
185409977764127,3590cyclictest12026-21kworker/0:011:22:100
185409977444108,3593cyclictest31049-21kworker/0:110:14:010
185409977423877,3850cyclictest18090-21kworker/0:207:43:370
185409977223892,3779cyclictest18090-21kworker/0:207:36:040
185409977184118,3585cyclictest18090-21kworker/0:209:55:000
185409975044106,3383cyclictest15043-21kworker/0:112:39:130
185409975024106,3381cyclictest18090-21kworker/0:209:23:340
185409974714096,3323cyclictest18090-21kworker/0:207:28:440
185409974243813,3596cyclictest32071-21kworker/0:212:10:340
185409972943882,3397cyclictest12026-21kworker/0:011:17:550
185409972623885,3363cyclictest12026-21kworker/0:010:42:040
185409972623876,3344cyclictest18090-21kworker/0:209:47:070
185409971833653,3479cyclictest18090-21kworker/0:207:54:530
185409971413709,3390cyclictest32071-21kworker/0:211:58:200
185409971213807,3263cyclictest15043-21kworker/0:112:34:510
185409970883834,3244cyclictest12026-21kworker/0:010:51:460
185409970403814,3221cyclictest18090-21kworker/0:209:40:320
185409968883701,3172cyclictest18090-21kworker/0:209:27:360
185409968843730,3143cyclictest12026-21kworker/0:011:11:320
185409968233699,3119cyclictest31049-21kworker/0:110:15:460
185409968133586,3222cyclictest31049-21kworker/0:110:04:180
185409968123695,3106cyclictest18090-21kworker/0:208:54:020
185409966923743,2946cyclictest18090-21kworker/0:207:13:560
185409966853681,2951cyclictest18090-21kworker/0:209:15:300
185409966533612,3030cyclictest12026-21kworker/0:010:28:000
185409965913482,3098cyclictest19504-21kworker/0:111:47:310
185409965593639,2869cyclictest32071-21kworker/0:212:18:250
185409963543512,2827cyclictest18090-21kworker/0:208:40:320
185409963033392,2868cyclictest19504-21kworker/0:111:41:430
180142812184,201sleep00-21swapper07:06:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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