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2026-03-23 - 22:28
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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 376 highest latencies:
System rack6slot5.osadl.org (updated Mon Mar 23, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2489799109765611,5354cyclictest13130-21kworker/0:108:45:040
2489799100795234,4833cyclictest20179-21kworker/0:012:02:530
248979997165168,4543cyclictest31181-21kworker/0:007:30:500
248979991464580,4551cyclictest11953-21kworker/0:211:31:480
248979991144683,4426cyclictest13130-21kworker/0:108:14:290
248979991064679,4422cyclictest13130-21kworker/0:109:03:120
248979990794667,4401cyclictest31181-21kworker/0:007:39:100
248979990354520,4511cyclictest16352-21kworker/0:009:33:270
248979989994624,4364cyclictest16365-21kworker/0:010:36:050
248979989774610,4356cyclictest5489-21kworker/0:111:24:400
248979989304485,4434cyclictest23072-21kworker/0:010:12:580
248979989224430,4441cyclictest13130-21kworker/0:108:39:200
248979989194581,4333cyclictest13130-21kworker/0:109:17:280
248979989144586,4324cyclictest13130-21kworker/0:108:23:200
248979989034572,4320cyclictest14861-21kworker/0:111:37:560
248979988314538,4282cyclictest25762-21kworker/0:010:54:130
248979988134426,4376cyclictest22109-21kworker/0:210:48:040
248979987654400,4354cyclictest5489-21kworker/0:111:18:300
248979987394437,4288cyclictest13130-21kworker/0:109:21:000
248979986984469,4225cyclictest31866-21kworker/0:011:12:140
248979986884578,4107cyclictest5600-21kworker/0:107:13:150
248979986574457,4195cyclictest13130-21kworker/0:108:05:250
248979984024471,3880cyclictest13130-21kworker/0:108:52:330
248979981024226,3825cyclictest31181-21kworker/0:007:29:190
248979979593961,3983cyclictest31181-21kworker/0:007:41:530
248979979454267,3663cyclictest13130-21kworker/0:108:04:010
248979979134029,3833cyclictest16365-21kworker/0:010:40:260
248979977024142,3545cyclictest20179-21kworker/0:012:18:550
248979976914018,3613cyclictest5600-21kworker/0:107:18:070
248979975814081,3485cyclictest13130-21kworker/0:108:43:360
248979975574052,3454cyclictest5600-21kworker/0:107:21:550
248979974573903,3503cyclictest20179-21kworker/0:011:53:500
248979971953573,3579cyclictest13130-21kworker/0:108:26:210
248979971203786,3329cyclictest23072-21kworker/0:009:49:580
248979971043882,3218cyclictest13130-21kworker/0:109:07:510
248979970673809,3207cyclictest20179-21kworker/0:012:07:240
248979970643758,3302cyclictest11257-21kworker/0:012:34:050
248979970633746,3306cyclictest20179-21kworker/0:011:49:380
248979970563755,3297cyclictest5113-21kworker/0:212:27:560
248979968943569,3313cyclictest19119-21kworker/0:109:38:450
248979967733669,3052cyclictest13352-21kworker/0:110:28:380
248979967463600,3142cyclictest13130-21kworker/0:108:32:200
248979967393444,3243cyclictest13130-21kworker/0:109:26:110
248979967143586,3124cyclictest23072-21kworker/0:009:55:440
248979966903634,3041cyclictest20179-21kworker/0:012:13:260
248979966343643,2980cyclictest31181-21kworker/0:007:56:370
248979966223532,3086cyclictest13352-21kworker/0:110:30:130
248979966193335,3269cyclictest23072-21kworker/0:010:22:510
248979965493482,3056cyclictest23072-21kworker/0:009:44:130
248979964803562,2907cyclictest31181-21kworker/0:007:52:220
248979964453384,2994cyclictest31866-21kworker/0:011:04:320
248979964063474,2881cyclictest11953-21kworker/0:211:29:040
248979963393343,2944cyclictest29015-21kworker/0:210:58:350
248979963183334,2932cyclictest23072-21kworker/0:010:17:070
248979962053231,2970cyclictest23072-21kworker/0:010:01:210
248979961933372,2778cyclictest14861-21kworker/0:111:42:070
248979961793374,2754cyclictest13130-21kworker/0:108:57:080
248979961483250,2847cyclictest14684-21kworker/0:212:38:390
248979960633107,2905cyclictest23072-21kworker/0:009:54:080
248979960363195,2827cyclictest23072-21kworker/0:010:05:270
248979960133380,2582cyclictest31181-21kworker/0:007:46:170
248979958983222,2624cyclictest13130-21kworker/0:108:17:300
248979955842914,2659cyclictest13130-21kworker/0:109:12:330
248979951732583,2567cyclictest5113-21kworker/0:212:21:250
248979950842667,2406cyclictest31866-21kworker/0:011:06:070
248979942842541,1719cyclictest20179-21kworker/0:011:56:200
242722809182,204sleep00-21swapper07:05:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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