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2026-09-17 - 21:57
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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 Sep 17, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3427503996935,32cyclictest3453099-21kworker/1:108:35:151
3427503996737,29cyclictest3437376-21kworker/1:207:50:111
3427503996535,28cyclictest3431613-1kworker/1:0H07:40:121
3427503996534,29cyclictest3570528-21kworker/1:011:05:161
342750399650,63cyclictest0-21swapper/107:32:451
3427503996462,1cyclictest0-21swapper/110:31:311
3427503996424,38cyclictest3546533-21kworker/1:110:50:151
342750399640,63cyclictest0-21swapper/108:11:391
3427503996333,29cyclictest3512376-21kworker/1:010:05:141
3427503996333,28cyclictest3464412-21kworker/1:009:05:141
342750399625,54cyclictest954417-21systemd-journal11:55:011
3427503996242,18cyclictest3437376-21kworker/1:207:45:131
3427503996239,21cyclictest3453099-21kworker/1:108:45:141
3427503996233,28cyclictest3620910-21kworker/1:112:05:151
342750399620,61cyclictest0-21swapper/109:23:091
342750399620,1cyclictest3465728-21diskmemload11:39:381
342750399620,1cyclictest0-21swapper/110:19:551
342750399620,1cyclictest0-21swapper/108:18:391
3427503996142,17cyclictest3431613-1kworker/1:0H10:10:151
3427503996140,20cyclictest3431613-1kworker/1:0H09:25:471
342750399610,58cyclictest3579459-21fschecks_count11:15:141
3427503996054,4cyclictest3474598-21cron09:19:591
3427503996043,15cyclictest3431613-1kworker/1:0H11:55:591
3427503996040,18cyclictest3587913-21kworker/1:011:25:141
3427503996040,18cyclictest3498862-21kworker/1:209:50:131
3427503996031,28cyclictest3637359-21kworker/1:312:20:141
3427503996031,28cyclictest3583214-21kworker/1:311:20:151
342750399600,58cyclictest0-21swapper/109:35:131
342750399600,58cyclictest0-21swapper/109:35:121
3427503995944,14cyclictest3598658-21kworker/1:211:45:001
3427503995944,14cyclictest3546533-21kworker/1:110:55:131
3427503995944,14cyclictest3431613-1kworker/1:0H08:00:111
3427503995943,15cyclictest3526508-21kworker/1:110:20:141
3427503995941,17cyclictest3615883-21kworker/1:012:10:131
3427503995939,19cyclictest3431613-1kworker/1:0H09:30:461
3427503995931,27cyclictest3431613-1kworker/1:0H12:15:171
3427503995843,14cyclictest3587913-21kworker/1:011:43:101
3427503995843,14cyclictest3462608-21kworker/1:109:00:011
3427503995842,15cyclictest3488896-21kworker/1:209:40:051
3427503995842,15cyclictest3467816-21kworker/1:109:10:421
3427503995842,15cyclictest3426125-21kworker/1:007:10:131
3427503995841,16cyclictest3493351-21kworker/1:009:45:151
3427503995839,17cyclictest3637359-21kworker/1:312:25:001
3427503995834,22cyclictest3431613-1kworker/1:0H10:00:131
342750399581,1cyclictest3506581-21fschecks_count09:55:141
3427503995754,2cyclictest0-21swapper/108:22:391
3427503995742,14cyclictest3587913-21kworker/1:011:33:381
3427503995742,14cyclictest3428895-21kworker/1:107:20:061
3427503995741,15cyclictest3437376-21kworker/1:208:05:151
3427503995727,29cyclictest3647978-21kworker/1:112:35:141
3427503995641,14cyclictest3642172-21kworker/1:012:30:061
3427503995641,14cyclictest3532142-21kworker/1:210:40:061
3427503995641,14cyclictest3428895-21kworker/1:107:37:401
3427503995640,15cyclictest3459530-21kworker/1:208:50:151
3427503995640,15cyclictest3431613-1kworker/1:0H08:34:101
3427503995540,14cyclictest3546533-21kworker/1:111:11:391
3427503995540,14cyclictest3459530-21kworker/1:208:55:131
3427503995540,14cyclictest3453099-21kworker/1:108:40:061
3427503995540,14cyclictest3428895-21kworker/1:107:17:101
3427503995539,15cyclictest3521853-21kworker/1:010:25:011
3427506995449,3cyclictest3434046-21kworker/2:107:29:392
3427503995439,14cyclictest3532142-21kworker/1:210:35:021
3427503995439,14cyclictest3453099-21kworker/1:108:28:391
3427503995438,15cyclictest3546533-21kworker/1:111:03:141
3427498995448,3cyclictest3930334-1kworker/0:2H11:40:000
3427506995346,4cyclictest1310283-1kworker/2:2H07:40:002
3427503995339,14cyclictest3428895-21kworker/1:107:25:121
3427503995338,14cyclictest3615883-21kworker/1:012:00:131
3427503995338,14cyclictest3546533-21kworker/1:110:45:061
3427503995337,15cyclictest3437376-21kworker/1:207:55:171
3427507995248,2cyclictest3596780-21kworker/3:111:36:313
3427506995247,3cyclictest3456432-21kworker/2:008:54:142
3427506995246,4cyclictest3512173-21kworker/2:210:11:062
3427506995246,4cyclictest3428899-21kworker/2:007:56:392
3427498995247,3cyclictest3930334-1kworker/0:2H10:07:090
3427498995245,4cyclictest3930334-1kworker/0:2H12:35:150
3427507995147,3cyclictest526925-1kworker/3:2H12:25:393
3427507995147,2cyclictest526925-1kworker/3:2H11:29:053
3427507995146,3cyclictest526925-1kworker/3:2H10:35:043
3427506995145,4cyclictest1310283-1kworker/2:2H11:20:132
3427498995147,2cyclictest3465699-21kworker/0:209:23:430
3427498995147,2cyclictest3456425-21kworker/0:108:40:230
3427498995146,3cyclictest3631237-21kworker/0:212:25:130
3427507995046,3cyclictest526925-1kworker/3:2H11:30:213
3427507995045,3cyclictest526925-1kworker/3:2H08:30:043
3427507995045,3cyclictest3596780-21kworker/3:111:52:053
3427506995045,3cyclictest3501190-21kworker/2:009:57:102
3427498995047,2cyclictest3930334-1kworker/0:2H07:20:380
3427498995046,3cyclictest3567710-21kworker/0:211:15:440
3427498995046,2cyclictest3434049-21kworker/0:207:40:390
3427507994946,2cyclictest3596780-21kworker/3:111:40:213
3427507994944,4cyclictest3451624-21kworker/3:009:19:423
3427507994944,3cyclictest526925-1kworker/3:2H08:05:043
3427506994944,3cyclictest3432505-21kworker/2:207:23:142
3427506994944,3cyclictest3428899-21kworker/2:007:14:392
3427506994944,2cyclictest1310283-1kworker/2:2H10:20:162
3427506994943,4cyclictest3512173-21kworker/2:210:05:052
3427498994945,3cyclictest3465699-21kworker/0:209:35:410
3427498994945,3cyclictest3465699-21kworker/0:209:35:400
3427498994945,2cyclictest3430944-21kworker/0:007:35:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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