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2026-06-05 - 20:20
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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 rack0slot2.osadl.org (updated Fri Jun 05, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
230932950,0sleep50-21swapper/509:41:345
1650332910,0sleep50-21swapper/510:37:045
3897563995856,2cyclictest105314-21kworker/u16:2+events_unbound11:37:054
3897567995754,2cyclictest276316-21kworker/u16:4+events_unbound11:46:495
3897567995249,2cyclictest4032115-21kworker/u16:3+events_unbound08:16:485
3897563995250,2cyclictest4064705-21kworker/u16:0+events_unbound09:01:494
3897567995149,2cyclictest4666-21kworker/u16:4+flush-8:010:21:495
3897567995148,2cyclictest4026486-21kworker/u16:1+events_unbound08:41:515
3897563995149,2cyclictest372715-21kworker/u16:3+events_unbound12:27:054
3897563995149,2cyclictest105314-21kworker/u16:2+events_unbound10:22:084
3897574995047,2cyclictest124-21kswapd008:01:497
3897563995048,2cyclictest276316-21kworker/u16:4+events_unbound12:31:504
3897563995048,2cyclictest236839-21kworker/u16:0+flush-8:011:11:494
3897563995047,2cyclictest4064705-21kworker/u16:0+events_unbound08:47:034
3897563995047,2cyclictest4064705-21kworker/u16:0+events_unbound08:47:034
3897567994947,2cyclictest236839-21kworker/u16:0+events_unbound11:12:045
3897567994946,2cyclictest34741-21kworker/u16:1+flush-8:010:46:485
3897563994846,2cyclictest4122193-21kworker/u16:3+events_unbound09:12:104
3897563994846,2cyclictest4064705-21kworker/u16:0+events_unbound09:37:074
3897567994745,2cyclictest4032115-21kworker/u16:3+flush-8:008:21:595
3897567994745,2cyclictest34741-21kworker/u16:1+flush-8:011:07:005
3897567994644,2cyclictest4074770-21kworker/u16:2+events_unbound08:56:485
3897567994644,2cyclictest105314-21kworker/u16:2+events_unbound10:31:485
3897563994644,2cyclictest4144597-21kworker/u16:2+events_unbound09:17:074
389717124636,7sleep40-21swapper/407:05:164
3897567994543,2cyclictest236839-21kworker/u16:0+flush-8:011:17:035
3897567994542,2cyclictest276316-21kworker/u16:4+flush-8:012:01:505
3897567994542,2cyclictest276316-21kworker/u16:4+flush-8:012:01:505
3897563994543,2cyclictest105314-21kworker/u16:2+events_unbound10:46:494
3897567994442,2cyclictest4144597-21kworker/u16:2+events_unbound09:11:515
3897567994442,2cyclictest3929983-21kworker/u16:2+events_unbound07:22:055
3897567994442,2cyclictest105314-21kworker/u16:2+events_unbound12:12:065
3897563994442,2cyclictest4666-21kworker/u16:4+events_unbound10:07:034
389709524434,7sleep50-21swapper/507:04:135
3897567994341,2cyclictest274488-21kworker/u16:0+events_unbound11:51:545
3897563994341,2cyclictest4064705-21kworker/u16:0+events_unbound08:52:004
3897563994341,2cyclictest276316-21kworker/u16:4+events_unbound12:02:024
3897563994341,2cyclictest276316-21kworker/u16:4+events_unbound12:02:024
3897563994341,2cyclictest105314-21kworker/u16:2+flush-8:011:21:554
38963652438,29sleep70-21swapper/707:02:067
3897563994240,2cyclictest4666-21kworker/u16:4+flush-8:009:32:034
3897563994240,2cyclictest4666-21kworker/u16:4+events_unbound10:13:204
3897563994240,2cyclictest3997394-21kworker/u16:0+flush-8:008:07:044
3897563994240,2cyclictest372715-21kworker/u16:3+events_unbound12:21:544
3897563994240,2cyclictest274488-21kworker/u16:0+events_unbound11:42:004
3897568994139,2cyclictest4026486-21kworker/u16:1+flush-8:009:07:006
3897567994139,2cyclictest4122193-21kworker/u16:3+events_unbound10:11:545
3897567994139,2cyclictest4122193-21kworker/u16:3+events_unbound09:42:085
3897567994139,2cyclictest105314-21kworker/u16:2+events_unbound10:28:045
3897567994138,2cyclictest105314-21kworker/u16:2+events_unbound11:21:405
3897563994139,2cyclictest3896295-21kworker/u16:1+flush-8:007:17:034
3897563994139,2cyclictest276316-21kworker/u16:4+events_unbound12:10:494
3897567994038,2cyclictest4167464-21kworker/u16:1+events_unbound09:20:365
3897567994038,2cyclictest4122193-21kworker/u16:3+events_unbound10:02:025
3897567994038,2cyclictest276316-21kworker/u16:4+events_unbound11:58:405
3897567994038,2cyclictest105314-21kworker/u16:2+events_unbound11:30:325
3897563994038,2cyclictest4666-21kworker/u16:4+flush-8:010:57:044
3897563994038,2cyclictest4064705-21kworker/u16:0+events_unbound09:30:564
3897563994038,2cyclictest4026486-21kworker/u16:1+events_unbound08:37:054
3897563994038,2cyclictest3949275-21kworker/u16:0+events_unbound07:32:014
3897563994038,2cyclictest34741-21kworker/u16:1+events_unbound11:11:054
3897563994038,2cyclictest105314-21kworker/u16:2+events_unbound11:52:024
3897563994038,2cyclictest105314-21kworker/u16:2+events_unbound10:53:364
3897563994037,2cyclictest3868623-21kworker/u16:4+flush-8:007:41:484
3897563994037,2cyclictest276316-21kworker/u16:4+events_unbound12:11:484
3897568993935,3cyclictest3997394-21kworker/u16:0+flush-8:008:06:506
3897567993937,2cyclictest4122193-21kworker/u16:3+events_unbound10:11:005
3897567993937,2cyclictest4074770-21kworker/u16:2+events_unbound08:46:525
3897567993937,2cyclictest4074770-21kworker/u16:2+events_unbound08:46:525
3897567993937,2cyclictest3997394-21kworker/u16:0+events_unbound08:02:015
3897567993937,2cyclictest372715-21kworker/u16:3+events_unbound12:31:525
3897567993937,2cyclictest105314-21kworker/u16:2+events_unbound11:04:565
3897563993937,2cyclictest4122193-21kworker/u16:3+flush-8:009:56:514
3897563993936,2cyclictest4032115-21kworker/u16:3+events_unbound08:16:524
3897568993836,2cyclictest3896295-21kworker/u16:1+events_unbound07:12:016
3897568993836,2cyclictest3896295-21kworker/u16:1+events_unbound07:12:016
3897567993836,2cyclictest4666-21kworker/u16:4+flush-8:009:54:045
3897567993836,2cyclictest4064705-21kworker/u16:0+events_unbound09:31:085
3897567993836,2cyclictest34741-21kworker/u16:1+events_unbound09:59:575
3897567993835,2cyclictest4122193-21kworker/u16:3+events_unbound09:46:465
3897563993836,2cyclictest4666-21kworker/u16:4+events_unbound10:19:244
3897563993836,2cyclictest4122193-21kworker/u16:3+events_unbound09:08:374
3897563993836,2cyclictest34741-21kworker/u16:1+events_unbound10:33:284
3897563993835,3cyclictest34741-21kworker/u16:1+events_unbound11:19:164
3897574993732,4cyclictest4132069-21latency_hist09:06:357
3897567993735,2cyclictest3997394-21kworker/u16:0+flush-8:008:06:495
3897567993735,2cyclictest3896295-21kworker/u16:1+flush-8:007:11:515
3897567993735,2cyclictest3896295-21kworker/u16:1+flush-8:007:11:515
3897567993735,2cyclictest276316-21kworker/u16:4+events_unbound11:39:555
3897563993735,2cyclictest4666-21kworker/u16:4+events_unbound09:56:034
3897563993735,2cyclictest4122193-21kworker/u16:3+flush-8:009:42:074
3897563993735,2cyclictest4064705-21kworker/u16:0+events_unbound09:25:164
3897563993735,2cyclictest3959261-21kworker/u16:2+events_unbound07:57:024
3897563993735,2cyclictest276316-21kworker/u16:4+events_unbound11:34:484
3897563993735,2cyclictest105314-21kworker/u16:2+events_unbound11:30:124
3897563993734,2cyclictest3896295-21kworker/u16:1+events_unbound07:26:364
3897567993634,2cyclictest4666-21kworker/u16:4+events_unbound10:44:405
3897567993634,2cyclictest4666-21kworker/u16:4+events_unbound10:44:405
3897567993634,2cyclictest4666-21kworker/u16:4+events_unbound10:19:125
3897567993634,2cyclictest3959261-21kworker/u16:2+flush-8:007:46:565
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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