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2026-01-09 - 20:58
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot2.osadl.org (updated Fri Jan 09, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
395838899132119,11cyclictest4053921-21kworker/u4:8+events_unbound10:44:590
395839099129118,7cyclictest54-21kswapd012:00:111
39583889911195,10cyclictest4053921-21kworker/u4:8+events_unbound10:34:590
39583889910687,14cyclictest54-21kswapd009:40:110
3958390999585,7cyclictest3959597-21kworker/u4:8+events_unbound08:44:401
3958390998877,6cyclictest4070154-21kworker/u4:0+events_unbound10:50:011
3958388998679,5cyclictest3965915-21kworker/u4:12+events_unbound07:49:320
3958390998071,6cyclictest4124237-21kworker/u4:3+events_unbound12:10:141
3958390998071,6cyclictest4124237-21kworker/u4:3+events_unbound12:10:141
3958390997666,7cyclictest4115862-21kworker/u4:1+events_unbound11:50:101
3958390997656,13cyclictest3977426-21apt-get08:25:101
3958390997465,7cyclictest4115867-21kworker/u4:6+events_unbound11:45:101
3958390997354,7cyclictest3959597-21kworker/u4:8+events_unbound08:40:011
3958390997261,8cyclictest3963404-21kworker/u4:7+events_unbound07:29:301
3958390997255,12cyclictest0-21swapper/112:30:361
395839099692,55cyclictest4114530-21ssh11:40:291
3958388996829,26cyclictest25550irq/23-42890000.ethernet08:05:090
3958388996818,25cyclictest4097247-21apt-get11:20:110
3958390996760,5cyclictest3970966-21kworker/u4:11+events_unbound08:19:391
3958390996759,5cyclictest4020757-21kworker/u4:18+events_unbound09:49:541
3958388996748,16cyclictest54-21kswapd012:15:080
3958390996658,6cyclictest4140430-21kworker/u4:0+events_unbound12:35:181
3958390996658,6cyclictest3983776-21kworker/u4:0+events_unbound09:09:471
3958390996658,6cyclictest3964658-21kworker/u4:10+events_unbound07:39:321
3958388996458,4cyclictest3948110-21kworker/u4:15+events_unbound07:35:000
3958390996355,6cyclictest3983776-21kworker/u4:0+events_unbound08:59:451
3958390996350,10cyclictest4065974-21kworker/u4:13+events_unbound10:55:001
3958390996246,11cyclictest4105198-21modprobe11:29:591
3958390996053,5cyclictest3969707-21kworker/u4:4+events_unbound07:54:341
3958390996046,9cyclictest4138206-21modprobe12:10:011
3958388996055,3cyclictest4103256-21kworker/u4:9+events_unbound11:55:110
3958390995947,10cyclictest54-21kswapd010:15:021
3958390995947,10cyclictest54-21kswapd010:15:011
3958390995851,5cyclictest4132627-21kworker/u4:6+events_unbound12:25:171
3958390995841,13cyclictest0-21swapper/111:55:311
3958388995840,14cyclictest25550irq/23-42890000.ethernet08:25:110
395839099575,33cyclictest37-21kcompactd010:15:121
3958388995748,7cyclictest4034634-21systemd10:04:540
3958390995647,6cyclictest0-21swapper/109:30:241
3958390995643,8cyclictest0-21swapper/111:30:311
3958388995536,17cyclictest3989289-21aten_r7power_po09:10:160
3958390995440,9cyclictest3962167-21modprobe07:24:591
3958388995445,7cyclictest4049691-21kworker/u4:5+events_unbound10:24:580
3958388995444,8cyclictest4027888-21unixbench_singl09:55:360
3958388995433,7cyclictest4084524-21diskmemload11:05:000
3958388995425,4cyclictest151ktimers/011:35:010
3958388995420,21cyclictest0-21swapper/008:00:330
3958390995342,8cyclictest3958385-21cyclictest11:20:191
3958388995345,5cyclictest4085008-21/usr/sbin/munin11:05:180
3958390995245,5cyclictest4081350-21ntpq11:00:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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