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2026-01-04 - 14:50
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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 Sun Jan 04, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28399998495217,4621cyclictest12058-21kworker/0:011:18:330
28399997335069,4653cyclictest24270-21kworker/0:110:31:270
28399996815047,4623cyclictest24895-21kworker/0:107:31:370
28399996755046,4619cyclictest24270-21kworker/0:110:41:180
28399996185116,4491cyclictest12542-21kworker/0:007:50:380
28399996024819,4772cyclictest31177-21kworker/0:109:46:450
28399993894801,4577cyclictest12542-21kworker/0:008:40:150
28399993804669,4697cyclictest12542-21kworker/0:008:46:580
28399993624799,4552cyclictest31177-21kworker/0:109:37:210
28399992654757,4497cyclictest12542-21kworker/0:008:07:210
28399992364741,4491cyclictest31177-21kworker/0:109:42:020
28399991364592,4533cyclictest12058-21kworker/0:011:03:140
28399991004672,4417cyclictest12542-21kworker/0:009:05:220
28399990174630,4376cyclictest12542-21kworker/0:008:32:000
28399989764613,4359cyclictest12542-21kworker/0:007:38:450
28399988634538,4314cyclictest24225-21kworker/0:109:27:470
28399988604547,4302cyclictest10867-21kworker/0:010:07:040
28399988534547,4295cyclictest31177-21kworker/0:109:56:460
28399988334389,4392cyclictest12542-21kworker/0:008:26:240
28399987534505,4244cyclictest23827-21kworker/0:011:48:150
28399986234535,4084cyclictest12542-21kworker/0:008:57:040
28399986044427,4172cyclictest12542-21kworker/0:008:03:060
28399986044269,4276cyclictest24895-21kworker/0:107:22:120
28399985944532,4059cyclictest24895-21kworker/0:107:13:370
28399985194412,4020cyclictest23827-21kworker/0:011:36:490
28399984034370,3973cyclictest24270-21kworker/0:110:50:060
28399982074084,4072cyclictest12542-21kworker/0:007:48:570
28399981234153,3956cyclictest12542-21kworker/0:007:41:030
28399981074006,3980cyclictest24895-21kworker/0:107:18:270
28399979934113,3865cyclictest23827-21kworker/0:011:41:370
28399979613970,3976cyclictest12542-21kworker/0:008:22:120
28399978324081,3691cyclictest4940-21kworker/0:212:11:020
28399977593951,3793cyclictest23827-21kworker/0:011:26:550
28399977293848,3838cyclictest24895-21kworker/0:107:29:520
28399977214157,3550cyclictest24270-21kworker/0:110:29:510
28399975183949,3554cyclictest24270-21kworker/0:110:39:410
28399974703713,3706cyclictest12542-21kworker/0:007:57:170
28399973623853,3458cyclictest17821-21kworker/0:112:26:010
28399973453841,3489cyclictest17821-21kworker/0:112:31:050
28399972813813,3444cyclictest4940-21kworker/0:212:01:330
28399972053532,3659cyclictest12542-21kworker/0:008:13:510
28399971853763,3370cyclictest18176-21kworker/0:210:20:320
28399971733754,3404cyclictest17593-21kworker/0:209:16:520
28399970743753,3310cyclictest24270-21kworker/0:110:46:210
28399969433798,3134cyclictest12542-21kworker/0:008:19:320
28399969133537,3333cyclictest23827-21kworker/0:011:31:550
28399968853649,3225cyclictest17593-21kworker/0:209:13:530
28399968563505,3308cyclictest17821-21kworker/0:112:35:580
28399968143587,3176cyclictest17821-21kworker/0:112:16:200
28399967933617,3165cyclictest4940-21kworker/0:211:53:120
28399967633609,3150cyclictest17821-21kworker/0:112:22:490
28399967383594,3140cyclictest31177-21kworker/0:109:51:310
28399967143577,3126cyclictest12058-21kworker/0:011:08:240
28399967043325,3327cyclictest10867-21kworker/0:010:10:410
28399966773667,2999cyclictest12542-21kworker/0:009:01:130
28399965973471,3075cyclictest18176-21kworker/0:210:15:160
28399965123327,3134cyclictest10867-21kworker/0:010:00:280
28399964303385,2993cyclictest4940-21kworker/0:211:56:370
28399963363369,2951cyclictest24270-21kworker/0:110:57:400
28399963293254,3060cyclictest17593-21kworker/0:209:21:200
28399963213335,2934cyclictest12058-21kworker/0:011:11:560
28399962853529,2741cyclictest12542-21kworker/0:008:38:350
28399961923281,2869cyclictest4940-21kworker/0:212:06:180
28399959603266,2680cyclictest12542-21kworker/0:008:51:180
28399958303113,2706cyclictest20971-21kworker/0:111:23:350
28399954012819,2571cyclictest27588-21kworker/0:209:32:300
23202780185,204sleep00-21swapper07:06:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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