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2026-08-21 - 08:05
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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 Fri Aug 21, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
350004299661,62cyclictest3552387-21fschecks_time21:25:171
350004299660,1cyclictest0-21swapper/121:39:161
3500042996562,2cyclictest0-21swapper/100:16:101
3500042996460,2cyclictest0-21swapper/121:09:481
3500042996441,20cyclictest2964782-1kworker/1:0H19:55:001
350004299640,63cyclictest0-21swapper/122:54:481
350004299640,63cyclictest0-21swapper/100:35:471
3500042996361,1cyclictest0-21swapper/122:08:471
3500042996343,19cyclictest3509663-21kworker/1:119:55:141
350004299630,1cyclictest0-21swapper/123:34:551
3500042996237,23cyclictest2964782-1kworker/1:0H21:25:001
3500042996144,16cyclictest3704072-21kworker/1:100:20:151
3500042996144,16cyclictest3526259-21kworker/1:120:35:141
3500042996143,16cyclictest2964782-1kworker/1:0H20:32:141
3500042996142,18cyclictest3591518-21kworker/1:122:10:171
3500042996142,17cyclictest3591518-21kworker/1:122:15:141
350004299611,58cyclictest0-21swapper/100:34:551
3500042996057,2cyclictest0-21swapper/123:03:481
3500042996043,16cyclictest3528435-21kworker/1:020:55:011
3500042996043,16cyclictest3528435-21kworker/1:020:55:001
3500042996043,16cyclictest3509663-21kworker/1:120:02:171
3500042996043,16cyclictest3499868-21kworker/1:019:22:201
3500042996042,16cyclictest2964782-1kworker/1:0H22:20:151
3500042996041,17cyclictest3591518-21kworker/1:122:40:101
3500042996041,17cyclictest3528435-21kworker/1:020:40:141
3500042995956,2cyclictest0-21swapper/122:04:191
3500042995956,2cyclictest0-21swapper/120:15:041
3500042995943,15cyclictest3591518-21kworker/1:122:35:131
3500042995943,15cyclictest3517698-21kworker/1:320:05:141
3500042995942,16cyclictest3673744-21kworker/1:200:10:011
3500042995942,16cyclictest3517698-21kworker/1:320:25:011
3500042995942,16cyclictest3499868-21kworker/1:019:40:131
3500042995941,17cyclictest3611002-21kworker/1:222:30:211
3500042995941,17cyclictest3611002-21kworker/1:222:30:211
3500042995941,17cyclictest3509663-21kworker/1:119:47:481
3500042995941,17cyclictest2964782-1kworker/1:0H23:21:531
3500042995941,17cyclictest2964782-1kworker/1:0H22:57:411
3500042995941,17cyclictest2964782-1kworker/1:0H21:20:001
3500042995938,20cyclictest3673744-21kworker/1:223:40:141
350004299591,2cyclictest0-21swapper/119:29:541
3500042995841,16cyclictest3704072-21kworker/1:100:25:171
3500042995841,16cyclictest3678660-21kworker/1:323:45:341
3500042995841,16cyclictest3591518-21kworker/1:122:45:011
3500042995840,17cyclictest3640164-21kworker/1:023:05:151
3500042995840,17cyclictest3591518-21kworker/1:122:25:151
3500042995840,17cyclictest3591518-21kworker/1:122:25:141
3500042995840,17cyclictest3572075-21kworker/1:021:50:011
3500042995840,17cyclictest3528435-21kworker/1:020:50:221
3500042995840,17cyclictest3499933-21kworker/1:219:12:491
3500042995840,17cyclictest3499933-21kworker/1:219:12:481
3500042995839,18cyclictest3556439-21kworker/1:121:35:011
3500042995839,16cyclictest2964782-1kworker/1:0H19:35:111
3500042995838,18cyclictest3689517-21kworker/1:023:55:231
3500042995837,19cyclictest3533074-21kworker/1:221:00:131
3500042995836,20cyclictest2964782-1kworker/1:0H19:20:001
350004299580,55cyclictest0-21swapper/120:21:081
3500042995754,2cyclictest0-21swapper/120:14:131
3500042995740,16cyclictest3640164-21kworker/1:023:10:011
3500042995740,16cyclictest3499868-21kworker/1:019:30:011
350004299571,55cyclictest0-21swapper/123:17:131
350004299570,55cyclictest0-21swapper/121:11:141
3500045995651,3cyclictest3685223-1kworker/2:2H20:30:482
3500042995652,2cyclictest0-21swapper/100:04:551
3500042995639,16cyclictest3654678-21kworker/1:123:25:141
3500042995638,16cyclictest3572075-21kworker/1:021:55:131
3500042995637,18cyclictest3562494-21kworker/1:021:40:131
3500042995637,18cyclictest3528435-21kworker/1:020:45:161
3500042995636,18cyclictest2964782-1kworker/1:0H23:35:181
3500046995550,3cyclictest3531542-21kworker/3:021:35:133
3500045995550,3cyclictest3685223-1kworker/2:2H20:00:012
3500042995538,16cyclictest2964782-1kworker/1:0H23:50:481
3500042995538,16cyclictest2964782-1kworker/1:0H23:50:481
3500042995535,19cyclictest3694395-21kworker/1:100:05:161
3500046995349,2cyclictest3528512-21kworker/3:220:45:463
3500045995349,3cyclictest3608205-21kworker/2:022:35:552
3500045995348,3cyclictest3685223-1kworker/2:2H20:10:212
3500040995348,3cyclictest3524079-21kworker/0:020:59:200
3500040995348,3cyclictest3524079-21kworker/0:020:59:190
3500046995249,2cyclictest3624288-21kworker/3:100:38:233
3500046995247,3cyclictest3624288-21kworker/3:123:34:553
3500046995247,3cyclictest3624288-21kworker/3:123:06:163
3500045995248,3cyclictest3672201-21kworker/2:223:43:132
3500045995248,2cyclictest3686812-21kworker/2:200:05:402
3500042995235,16cyclictest3567270-21kworker/1:221:46:481
3500040995250,1cyclictest3692113-21kworker/0:100:11:530
3500040995247,3cyclictest3682351-21kworker/0:223:50:410
3500040995247,3cyclictest3682351-21kworker/0:223:50:400
3500046995147,2cyclictest3506652-21kworker/3:119:51:483
3500046995147,2cyclictest3506652-21kworker/3:119:34:483
3500046995146,4cyclictest3299579-1kworker/3:0H00:00:303
3500045995148,2cyclictest3685223-1kworker/2:2H23:16:482
3500045995147,3cyclictest3636989-21kworker/2:123:39:122
3500045995146,3cyclictest3685223-1kworker/2:2H22:13:172
3500040995147,2cyclictest3499883-21kworker/0:119:39:480
3500046995047,2cyclictest3506652-21kworker/3:119:40:473
3500046995045,3cyclictest3506652-21kworker/3:120:04:553
3500046995045,3cyclictest3299579-1kworker/3:0H22:16:433
3500046995045,3cyclictest3299579-1kworker/3:0H20:50:063
3500045995046,2cyclictest3622633-21kworker/2:122:43:112
3500045995046,2cyclictest3531535-21kworker/2:021:14:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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