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2026-03-26 - 06:00
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot3.osadl.org (updated Thu Mar 26, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3926752997037,31cyclictest4081658-21kworker/1:123:40:141
3926752996736,29cyclictest4014000-21kworker/1:022:15:151
3926752996634,26cyclictest1401756-1kworker/1:1H00:11:341
3926752996434,29cyclictest3985291-21kworker/1:121:40:131
392675299641,2cyclictest0-21swapper/119:44:521
3926752996332,30cyclictest4094368-21kworker/1:223:55:011
392675299630,62cyclictest0-21swapper/121:05:441
3926752996145,15cyclictest3961327-21kworker/1:020:59:561
3926752996131,28cyclictest1401756-1kworker/1:1H23:05:001
3926752996044,15cyclictest1401756-1kworker/1:1H19:10:141
3926752996041,18cyclictest4029183-21kworker/1:022:50:131
3926752996039,20cyclictest3944743-21kworker/1:320:10:141
3926752996032,27cyclictest3934813-21kworker/1:019:35:141
392675299600,3cyclictest3944105-21cron20:05:001
3926752995940,17cyclictest4033908-21kworker/1:222:38:301
3926752995926,32cyclictest3989965-21kworker/1:221:50:131
392675299590,57cyclictest3972949-21kernelversion21:20:141
3926754995845,10cyclictest3471580-1kworker/2:1H22:55:132
3926752995840,16cyclictest4072855-21kworker/1:223:30:001
3926752995829,28cyclictest3930191-21kworker/1:219:25:131
3926752995754,1cyclictest0-21swapper/100:30:221
3926752995742,14cyclictest4072855-21kworker/1:223:35:001
3926752995742,14cyclictest3930191-21kworker/1:219:19:551
3926752995741,15cyclictest4048339-21kworker/1:323:10:131
3926752995741,15cyclictest3998370-21kworker/1:122:20:121
3926752995740,16cyclictest4107102-21kworker/1:200:15:141
3926752995740,16cyclictest4048339-21kworker/1:323:20:451
3926752995740,16cyclictest4038098-21kworker/1:122:45:141
3926752995740,16cyclictest3959533-21kworker/1:221:00:131
3926752995740,16cyclictest3946727-21kworker/1:020:15:151
392675299570,3cyclictest4040173-21cron22:45:011
3926752995641,14cyclictest4098750-21kworker/1:000:09:391
3926752995641,14cyclictest4069970-21kworker/1:023:30:131
3926752995641,14cyclictest4046483-21kworker/1:122:55:011
3926752995641,14cyclictest3979889-21kworker/1:021:31:181
3926752995641,14cyclictest3950268-21kworker/1:220:25:031
3926752995641,14cyclictest3948706-21kworker/1:120:35:311
3926752995641,14cyclictest3934813-21kworker/1:019:50:151
3926752995641,14cyclictest3934813-21kworker/1:019:45:291
3926752995640,14cyclictest3948706-21kworker/1:120:50:131
3926752995639,16cyclictest4090233-21kworker/1:123:50:131
3926752995638,17cyclictest1401756-1kworker/1:1H22:30:001
3926752995638,16cyclictest1401756-1kworker/1:1H20:40:131
392675299561,54cyclictest0-21swapper/121:29:521
392675299560,2cyclictest0-21swapper/100:20:141
3926758995551,2cyclictest3999755-21kworker/3:123:21:583
3926752995549,3cyclictest0-21swapper/122:10:001
3926752995540,14cyclictest3948706-21kworker/1:120:20:291
3926752995540,14cyclictest3948706-21kworker/1:120:20:291
3926752995540,14cyclictest3934813-21kworker/1:019:55:181
3926752995540,14cyclictest3930191-21kworker/1:219:30:061
3926752995539,15cyclictest3989965-21kworker/1:221:55:091
3926752995539,14cyclictest1401756-1kworker/1:1H20:05:131
3926752995537,17cyclictest1401756-1kworker/1:1H20:30:171
392675299552,1cyclictest0-21swapper/121:17:351
3926752995516,38cyclictest3998370-21kworker/1:122:10:411
3926754995443,9cyclictest3471580-1kworker/2:1H19:24:492
3926752995439,14cyclictest4086073-21kworker/1:023:45:091
3926752995437,16cyclictest4048339-21kworker/1:323:19:551
3926752995416,37cyclictest4005861-21unixbench_singl22:00:211
392675299540,53cyclictest0-21swapper/123:09:291
3926758995349,2cyclictest3933341-21kworker/3:120:17:053
3926758995348,3cyclictest3728265-1kworker/3:2H20:29:523
3926754995346,4cyclictest3471580-1kworker/2:1H23:00:222
3926752995338,14cyclictest4124092-21kworker/1:100:35:011
3926752995338,14cyclictest4115429-21kworker/1:000:25:011
3926752995338,14cyclictest4098750-21kworker/1:000:00:351
3926752995338,14cyclictest3989965-21kworker/1:221:45:211
3926752995338,14cyclictest3979889-21kworker/1:021:36:291
3926752995338,14cyclictest3948706-21kworker/1:120:45:011
3926752995337,15cyclictest3964779-21kworker/1:021:10:211
3926752995336,16cyclictest3930191-21kworker/1:219:20:141
3926758995248,2cyclictest4099252-21kworker/3:200:00:403
3926758995248,2cyclictest3933341-21kworker/3:120:36:333
3926754995248,3cyclictest3471580-1kworker/2:1H23:35:562
3926752995249,2cyclictest1-21systemd22:31:181
3926747995247,3cyclictest3115968-1kworker/0:0H19:20:000
3926758995147,3cyclictest3933341-21kworker/3:120:01:553
3926758995147,2cyclictest3999755-21kworker/3:122:42:283
3926758995147,2cyclictest3958038-21kworker/3:021:00:063
3926758995145,3cyclictest3728265-1kworker/3:2H00:26:433
3926754995147,2cyclictest4106756-21kworker/2:000:20:432
3926747995147,2cyclictest4051507-21kworker/0:123:40:060
3926747995146,3cyclictest3115968-1kworker/0:0H23:25:210
3926758995047,2cyclictest3933341-21kworker/3:119:52:523
3926758995046,2cyclictest3933341-21kworker/3:120:14:283
3926758995045,3cyclictest4099252-21kworker/3:200:11:043
3926758995045,3cyclictest3728265-1kworker/3:2H21:55:153
3926754995047,2cyclictest3471580-1kworker/2:1H00:30:222
3926754995046,3cyclictest3471580-1kworker/2:1H22:07:272
3926754995045,3cyclictest3471580-1kworker/2:1H21:19:532
3926747995044,4cyclictest3115968-1kworker/0:0H00:06:320
3926758994944,3cyclictest3728265-1kworker/3:2H19:47:533
3926754994945,3cyclictest3471580-1kworker/2:1H19:12:592
3926754994945,2cyclictest3953354-21kworker/2:220:45:172
3926747994944,3cyclictest4119117-21kworker/0:000:34:160
3926758994845,2cyclictest3999755-21kworker/3:123:50:443
3926758994845,2cyclictest3999755-21kworker/3:123:39:523
3926758994845,2cyclictest3958038-21kworker/3:021:15:203
3926754994845,2cyclictest3978751-21kworker/2:021:56:572
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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