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2026-04-20 - 03:52
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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 rack8slot4.osadl.org (updated Mon Apr 20, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29621962244179,20sleep20-21swapper/219:06:262
29643462235179,18sleep60-21swapper/619:09:296
29622082227169,19sleep50-21swapper/519:06:385
29621512222168,41sleep40-21swapper/419:05:494
29642822221167,18sleep10-21swapper/119:08:341
29621762213182,19sleep00-21swapper/019:06:090
29621612210180,19sleep30-21swapper/319:05:563
29622012207177,19sleep70-21swapper/719:06:327
2964628993128,2cyclictest1-21systemd00:00:006
296462699310,29cyclictest278-21plymouthd19:40:015
296462299310,30cyclictest3117565-21turbostat.cron23:50:014
2964620993128,3cyclictest0-21swapper/319:25:013
2964617993128,2cyclictest681-21dbus-daemon23:25:012
2964615993128,2cyclictest3058684-21apt-get22:02:581
296461599310,3cyclictest3133741-21idleruntime-cro00:20:001
296463199300,29cyclictest3060744-21sh22:05:017
296463199300,29cyclictest0-21swapper/719:37:577
2964622993028,1cyclictest0-21swapper/421:45:014
296461799300,29cyclictest3144509-21sh00:40:012
296461799300,29cyclictest0-21swapper/223:05:002
2964615993028,1cyclictest3047276-21cron21:40:021
296461199300,29cyclictest0-21swapper/020:25:010
2964631992928,1cyclictest0-21swapper/719:47:587
296463199290,28cyclictest0-21swapper/720:03:007
296463199290,28cyclictest0-21swapper/720:03:007
296462899290,28cyclictest3050015-21awk21:45:026
296462899290,28cyclictest0-21swapper/621:22:586
296462899290,28cyclictest0-21swapper/620:25:006
296462899290,1cyclictest2982487-21apt-get19:42:556
2964626992928,1cyclictest0-21swapper/523:50:015
296462699290,28cyclictest3126301-21apt-get00:07:595
296462699290,28cyclictest0-21swapper/523:40:005
296462699290,28cyclictest0-21swapper/521:52:585
296462699290,1cyclictest2974143-21apt-get19:27:585
2964622992927,1cyclictest278-21plymouthd00:30:014
2964622992927,1cyclictest0-21swapper/421:00:024
296462299290,28cyclictest0-21swapper/422:42:584
296462299290,28cyclictest0-21swapper/420:42:594
2964620992928,1cyclictest0-21swapper/300:35:013
2964620992928,1cyclictest0-21swapper/300:35:003
2964620992927,1cyclictest3053288-21apt-get21:52:583
296462099290,28cyclictest3047918-21http21:42:573
296462099290,28cyclictest2967410-21cut19:15:013
296462099290,28cyclictest0-21swapper/323:02:583
296462099290,28cyclictest0-21swapper/322:00:013
296462099290,28cyclictest0-21swapper/320:37:593
296462099290,28cyclictest0-21swapper/320:17:583
296462099290,1cyclictest681-21dbus-daemon19:35:013
296462099290,1cyclictest3023399-21apt-get20:57:593
296461799290,28cyclictest681-21dbus-daemon22:40:002
296461799290,28cyclictest3112810-21apt-get23:42:582
296461799290,28cyclictest0-21swapper/222:57:582
296461799290,28cyclictest0-21swapper/219:32:582
296461799290,28cyclictest0-21swapper/219:27:572
296461799290,1cyclictest0-21swapper/220:52:582
2964615992927,1cyclictest0-21swapper/123:57:581
2964611992927,2cyclictest0-21swapper/020:47:570
2964611992926,3cyclictest0-21swapper/023:12:570
296461199290,28cyclictest0-21swapper/023:35:000
296461199290,28cyclictest0-21swapper/021:22:580
296461199290,28cyclictest0-21swapper/019:12:570
296461199290,28cyclictest0-21swapper/000:05:010
296461199290,1cyclictest0-21swapper/019:52:570
296463199280,28cyclictest0-21swapper/722:42:577
296463199280,27cyclictest0-21swapper/721:08:007
2964628992827,0cyclictest3039568-21apt-get21:27:596
296462899280,28cyclictest0-21swapper/622:45:016
296462899280,1cyclictest2971454-21apt-get19:22:576
296462899280,1cyclictest1-21systemd22:20:016
2964626992827,1cyclictest0-21swapper/522:55:015
2964626992826,1cyclictest3034175-21apt-get21:17:595
2964626992826,1cyclictest2993518-21apt-get20:03:005
2964626992826,1cyclictest2993518-21apt-get20:02:595
296462299280,1cyclictest1-21systemd20:10:014
296462299280,0cyclictest0-21swapper/421:32:594
296462299280,0cyclictest0-21swapper/421:17:594
296462099280,28cyclictest0-21swapper/323:15:013
296462099280,28cyclictest0-21swapper/319:47:583
2964615992827,1cyclictest0-21swapper/123:22:571
2964615992827,1cyclictest0-21swapper/121:08:001
2964615992827,1cyclictest0-21swapper/100:22:571
296461599280,28cyclictest0-21swapper/123:17:581
296461599280,28cyclictest0-21swapper/120:50:031
296461599280,28cyclictest0-21swapper/120:10:011
296461599280,28cyclictest0-21swapper/100:02:581
296461599280,0cyclictest3080227-21apt-get22:42:571
296461599280,0cyclictest0-21swapper/119:12:571
2964611992827,1cyclictest0-21swapper/022:37:590
2964611992825,2cyclictest3052668-21idleruntime-cro21:50:020
2964631992727,0cyclictest0-21swapper/723:42:587
2964631992727,0cyclictest0-21swapper/720:57:597
2964631992727,0cyclictest0-21swapper/700:22:577
2964631992727,0cyclictest0-21swapper/700:02:587
2964631992726,1cyclictest0-21swapper/721:02:587
2964631992726,1cyclictest0-21swapper/720:28:007
2964628992727,0cyclictest0-21swapper/622:07:586
2964628992726,1cyclictest1-21systemd21:10:016
2964628992726,1cyclictest0-21swapper/621:50:026
296462899270,0cyclictest0-21swapper/620:07:596
2964626992727,0cyclictest0-21swapper/521:05:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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