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2026-01-12 - 02:50
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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 792 highest latencies:
System rack6slot5.osadl.org (updated Mon Jan 12, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1995599113726013,5349cyclictest6113-21kworker/0:020:48:120
199559997775211,4555cyclictest25513-21kworker/0:100:04:460
199559997725104,4657cyclictest7118-21kworker/0:221:22:380
199559997225085,4626cyclictest6113-21kworker/0:020:40:230
199559996335044,4578cyclictest26205-21kworker/0:022:59:420
199559994384858,4569cyclictest2976-21kworker/0:122:12:310
199559994194743,4662cyclictest6113-21kworker/0:019:25:550
199559991964633,4549cyclictest6113-21kworker/0:019:22:430
199559991654616,4544cyclictest7118-21kworker/0:221:26:090
199559991184851,4207cyclictest26205-21kworker/0:023:18:180
199559990364637,4388cyclictest25513-21kworker/0:123:52:160
199559990084642,4355cyclictest25513-21kworker/0:100:16:270
199559989664767,4184cyclictest6113-21kworker/0:020:38:320
199559989034596,4303cyclictest6113-21kworker/0:020:29:080
199559989034590,4302cyclictest6113-21kworker/0:020:10:430
199559987144391,4312cyclictest13080-21kworker/0:022:43:140
199559986954491,4193cyclictest6113-21kworker/0:020:03:030
199559986844466,4207cyclictest13080-21kworker/0:022:39:030
199559986824581,4090cyclictest26205-21kworker/0:023:20:090
199559986744366,4297cyclictest25513-21kworker/0:100:12:440
199559984844278,4201cyclictest7118-21kworker/0:221:41:480
199559984834281,4191cyclictest6113-21kworker/0:019:32:500
199559981544335,3776cyclictest22850-21kworker/0:221:55:320
199559981454312,3822cyclictest9154-21kworker/0:200:28:580
199559980744230,3793cyclictest13265-21kworker/0:223:38:420
199559980634317,3730cyclictest22850-21kworker/0:221:47:580
199559980224307,3664cyclictest6113-21kworker/0:019:49:310
199559980034191,3762cyclictest28678-21kworker/0:022:03:000
199559979824128,3695cyclictest13265-21kworker/0:223:30:340
199559979353975,3945cyclictest6113-21kworker/0:020:16:250
199559979143904,3996cyclictest6113-21kworker/0:020:20:120
199559979004244,3605cyclictest6113-21kworker/0:021:09:410
199559978374027,3786cyclictest6113-21kworker/0:019:17:130
199559977204146,3514cyclictest22850-21kworker/0:221:51:440
199559976554011,3585cyclictest22212-21kworker/0:122:50:020
199559976363903,3673cyclictest2976-21kworker/0:122:22:100
199559975294004,3514cyclictest6113-21kworker/0:020:52:090
199559975203758,3711cyclictest6113-21kworker/0:019:41:530
199559973963789,3556cyclictest13265-21kworker/0:223:46:220
199559973913878,3499cyclictest6113-21kworker/0:019:38:060
199559973873789,3547cyclictest13265-21kworker/0:223:42:350
199559973863813,3558cyclictest9154-21kworker/0:200:36:350
199559973793986,3350cyclictest6113-21kworker/0:020:31:090
199559973003742,3516cyclictest6113-21kworker/0:021:17:080
199559972803831,3399cyclictest26205-21kworker/0:023:06:020
199559972303845,3373cyclictest6113-21kworker/0:021:14:520
199559971763805,3357cyclictest28678-21kworker/0:022:06:480
199559971233758,3322cyclictest6113-21kworker/0:021:01:420
199559971203656,3404cyclictest2976-21kworker/0:122:26:110
199559970153604,3359cyclictest7118-21kworker/0:221:36:250
199559969913723,3254cyclictest6113-21kworker/0:019:14:480
199559969363689,3236cyclictest26205-21kworker/0:023:11:240
199559968673631,3185cyclictest6113-21kworker/0:020:08:500
199559968603564,3285cyclictest25513-21kworker/0:123:56:040
199559968483649,3188cyclictest13080-21kworker/0:022:31:160
199559967133541,3120cyclictest13265-21kworker/0:223:26:440
199559967003547,3102cyclictest6113-21kworker/0:019:53:160
199559966703433,3185cyclictest9154-21kworker/0:200:35:020
199559966543462,3188cyclictest26205-21kworker/0:023:03:360
199559965263554,2921cyclictest2976-21kworker/0:122:18:230
199559965163599,2906cyclictest6113-21kworker/0:020:55:530
199559964303553,2866cyclictest6113-21kworker/0:019:55:100
199559964303400,3016cyclictest7118-21kworker/0:221:32:110
199559963623389,2922cyclictest9154-21kworker/0:200:23:120
199559963463359,2927cyclictest25513-21kworker/0:100:07:230
199559963033358,2930cyclictest26205-21kworker/0:022:53:390
195572749185,203sleep00-21swapper19:07:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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