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2026-08-14 - 09:08
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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 14, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3919010996742,23cyclictest3928880-21kworker/1:119:40:131
3919010996641,24cyclictest3616534-1kworker/1:1H00:10:151
3919010996537,27cyclictest3616534-1kworker/1:1H20:54:591
3919010996434,28cyclictest3616534-1kworker/1:1H23:10:001
3919010996361,1cyclictest0-21swapper/119:24:551
3919010996360,2cyclictest0-21swapper/121:17:061
3919010996360,2cyclictest0-21swapper/121:17:051
3919010996258,2cyclictest0-21swapper/100:30:141
3919010996246,15cyclictest3953579-21kworker/1:021:10:151
3919010996246,15cyclictest3953579-21kworker/1:021:10:151
3919010996241,19cyclictest4098146-21kworker/1:323:55:131
3919010996144,16cyclictest4127573-21kworker/1:000:15:151
3919010996144,16cyclictest3920394-21kworker/1:119:30:141
3919010996143,17cyclictest3953579-21kworker/1:021:09:281
3919010996132,27cyclictest4112247-21kworker/1:100:00:021
3919010996056,2cyclictest0-21swapper/120:27:131
3919010996055,2cyclictest0-21swapper/122:35:231
3919010996043,16cyclictest4085675-21kworker/1:123:30:011
3919010996043,16cyclictest3984521-21kworker/1:322:12:311
3919010996042,17cyclictest4098146-21kworker/1:323:43:331
3919010996042,17cyclictest4054095-21kworker/1:122:55:131
3919010996042,17cyclictest4029543-21kworker/1:222:32:571
3919010996042,17cyclictest4029543-21kworker/1:222:32:571
3919010996042,17cyclictest4003864-21kworker/1:022:06:321
3919010996042,17cyclictest3933518-21kworker/1:020:00:171
3919010996042,16cyclictest4014191-21kworker/1:122:15:141
3919010996041,18cyclictest3978422-21kworker/1:221:36:321
3919010996041,18cyclictest3616534-1kworker/1:1H21:31:591
3919010996040,18cyclictest3942789-21kworker/1:320:40:181
3919010996040,18cyclictest3616534-1kworker/1:1H21:55:001
3919013995949,7cyclictest3746544-1kworker/3:2H20:25:143
3919010995942,16cyclictest3984521-21kworker/1:321:45:211
3919010995942,16cyclictest3957783-21kworker/1:121:27:021
3919010995942,16cyclictest3938144-21kworker/1:020:13:261
3919010995942,16cyclictest3920394-21kworker/1:119:25:001
3919010995942,16cyclictest3616534-1kworker/1:1H22:04:311
3919010995941,17cyclictest4106726-21kworker/1:200:28:071
3919010995941,17cyclictest4075091-21kworker/1:123:16:391
3919010995941,17cyclictest4061172-21kworker/1:223:35:331
3919010995941,16cyclictest3927339-21kworker/1:319:35:001
3919010995940,18cyclictest3944582-21kworker/1:120:35:141
3919010995940,18cyclictest3944582-21kworker/1:120:30:141
3919010995841,16cyclictest4085675-21kworker/1:123:30:011
3919010995841,16cyclictest4063479-21kworker/1:323:12:321
3919010995841,16cyclictest3957783-21kworker/1:121:57:281
3919010995841,16cyclictest3942789-21kworker/1:320:45:321
3919010995840,17cyclictest3967495-21kworker/1:321:22:201
3919010995839,17cyclictest3953579-21kworker/1:021:00:121
3919010995838,19cyclictest4046309-21kworker/1:122:45:321
3919010995837,19cyclictest3928880-21kworker/1:119:45:141
3919010995741,15cyclictest4127573-21kworker/1:000:20:081
3919010995740,16cyclictest3984521-21kworker/1:322:22:331
3919010995740,16cyclictest3920394-21kworker/1:119:10:321
3919010995740,15cyclictest3616534-1kworker/1:1H23:47:431
3919010995739,17cyclictest3938144-21kworker/1:020:21:261
3919010995739,16cyclictest3984521-21kworker/1:321:40:061
3919010995738,17cyclictest3984521-21kworker/1:322:27:331
3919010995737,18cyclictest4061172-21kworker/1:223:20:141
3919010995729,26cyclictest3616534-1kworker/1:1H20:10:001
3919010995639,16cyclictest3928880-21kworker/1:119:50:141
3919010995637,18cyclictest4047026-21kworker/1:322:50:011
3919010995637,17cyclictest3616534-1kworker/1:1H20:16:271
3919010995636,18cyclictest4138415-21kworker/1:300:35:021
3919010995635,19cyclictest4054095-21kworker/1:123:00:021
3919010995538,16cyclictest4105173-21kworker/1:023:50:141
3919010995538,16cyclictest3616534-1kworker/1:1H22:40:141
3919010995537,16cyclictest3951517-21kworker/1:120:55:161
3919010995530,23cyclictest4112247-21kworker/1:100:05:181
391901099550,53cyclictest0-21swapper/119:56:181
3919008995545,8cyclictest4176325-1kworker/0:0H23:05:020
3919008995449,3cyclictest4176325-1kworker/0:0H23:18:570
3919008995449,3cyclictest4052313-21kworker/0:122:54:330
391901099530,52cyclictest3921550-21fschecks_time19:15:151
3919008995348,3cyclictest3947402-21kworker/0:120:40:210
3919008995347,4cyclictest4019735-21kworker/0:122:25:220
3919013995247,3cyclictest3970543-21kworker/3:023:10:073
3919013995247,3cyclictest3970543-21kworker/3:023:04:333
3919013995247,3cyclictest3746544-1kworker/3:2H22:00:143
3919011995247,3cyclictest3685223-1kworker/2:2H22:30:262
3919011995247,3cyclictest3685223-1kworker/2:2H22:30:262
3919011995247,3cyclictest3685223-1kworker/2:2H20:15:152
3919011995247,3cyclictest3685223-1kworker/2:2H00:18:222
3919013995146,3cyclictest3970543-21kworker/3:022:58:023
3919013995145,4cyclictest3970543-21kworker/3:022:54:553
3919011995146,3cyclictest3685223-1kworker/2:2H22:40:192
3919011995145,3cyclictest3685223-1kworker/2:2H21:02:172
3919008995146,3cyclictest4094374-21kworker/0:223:59:330
3919008995146,3cyclictest3968485-21kworker/0:222:17:070
3919008995146,3cyclictest3928873-21kworker/0:219:54:450
3919008995144,4cyclictest51650irq/160-enp0s2921:27:220
3919013995047,2cyclictest3970543-21kworker/3:022:40:373
3919013995045,3cyclictest3970543-21kworker/3:023:35:233
3919013995045,3cyclictest3746544-1kworker/3:2H20:10:133
3919013995045,3cyclictest3746544-1kworker/3:2H19:49:243
3919011995045,3cyclictest3685223-1kworker/2:2H19:53:242
3919008995047,2cyclictest3956677-21kworker/0:021:12:550
3919008995047,2cyclictest3956677-21kworker/0:021:12:550
3919008995046,2cyclictest3901967-21kworker/0:319:21:340
3919008995045,3cyclictest4176325-1kworker/0:0H21:15:130
3919008995045,3cyclictest4176325-1kworker/0:0H21:15:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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