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2026-03-13 - 03:17
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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 Fri Mar 13, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20249162241179,20sleep60-21swapper/619:08:506
20228552238173,20sleep40-21swapper/419:07:024
20228962233178,18sleep70-21swapper/719:07:397
20228202231176,17sleep50-21swapper/519:06:315
20228272224193,20sleep30-21swapper/319:06:383
20229002215182,20sleep20-21swapper/219:07:422
20228812213181,20sleep10-21swapper/119:07:241
20227772208179,19sleep00-21swapper/019:05:550
202521399340,0cyclictest0-21swapper/000:18:040
2025218993327,3cyclictest0-21swapper/200:15:012
202522399320,30cyclictest2166827-21sh23:30:023
202523199310,3cyclictest2188668-21turbostat.cron00:10:015
202522399310,2cyclictest0-21swapper/323:35:023
202521699310,29cyclictest2106804-21idleruntime-cro21:40:011
2025238993027,2cyclictest2076947-21turbostat.cron20:45:007
202523199300,29cyclictest2197385-21http00:28:035
202523199300,29cyclictest2039235-21sh19:35:005
202523199300,28cyclictest2056032-21apt-get20:08:025
202522899300,29cyclictest2199439-21apt00:30:004
2025223993023,4cyclictest1-21systemd22:15:023
202522399300,29cyclictest2185989-21munin-run00:05:003
202522399300,29cyclictest2153740-21http23:08:033
2025218993027,3cyclictest0-21swapper/220:55:012
2025218993027,2cyclictest2085259-21sh21:00:002
2025216993028,1cyclictest0-21swapper/122:23:021
202521699300,29cyclictest278-21plymouthd00:10:001
2025213993028,1cyclictest0-21swapper/021:55:000
202523899290,28cyclictest0-21swapper/722:08:047
202523899290,28cyclictest0-21swapper/721:23:027
202523899290,28cyclictest0-21swapper/720:08:037
202523899290,28cyclictest0-21swapper/700:18:047
2025236992927,1cyclictest2166829-21sh23:30:016
2025236992927,1cyclictest0-21swapper/623:35:026
2025236992927,1cyclictest0-21swapper/621:40:006
202523699290,29cyclictest0-21swapper/623:15:026
202523699290,28cyclictest0-21swapper/623:55:016
202523699290,28cyclictest0-21swapper/622:28:036
202523699290,28cyclictest0-21swapper/619:48:046
202523699290,28cyclictest0-21swapper/619:13:036
202523699290,28cyclictest0-21swapper/600:40:006
202523199290,28cyclictest0-21swapper/523:28:035
202523199290,1cyclictest0-21swapper/500:05:015
202522899290,29cyclictest681-21dbus-daemon23:30:024
202522899290,1cyclictest0-21swapper/421:28:044
2025223992926,3cyclictest1-21systemd23:40:013
202522399290,28cyclictest0-21swapper/322:23:023
202522399290,28cyclictest0-21swapper/320:58:023
202522399290,28cyclictest0-21swapper/300:23:043
202522399290,1cyclictest2106803-21latency_hist21:40:013
202522399290,1cyclictest0-21swapper/300:10:013
2025218992928,1cyclictest0-21swapper/222:35:032
2025218992928,1cyclictest0-21swapper/219:15:022
2025218992926,3cyclictest0-21swapper/222:43:032
202521899290,28cyclictest2104746-21apt-get21:38:032
202521899290,28cyclictest0-21swapper/219:35:012
202521699290,28cyclictest0-21swapper/123:08:031
202521699290,28cyclictest0-21swapper/119:38:041
202521699290,1cyclictest0-21swapper/123:30:021
202521399290,28cyclictest2099372-21apt-get21:28:030
202521399290,28cyclictest0-21swapper/023:33:050
202521399290,1cyclictest2189294-21apt-get00:13:030
2025238992826,1cyclictest2102057-21apt-get21:33:047
202523899280,27cyclictest0-21swapper/720:30:017
202523899280,0cyclictest0-21swapper/723:08:037
202523899280,0cyclictest0-21swapper/719:15:027
2025236992827,1cyclictest681-21dbus-daemon21:25:016
2025236992827,1cyclictest2175807-21apt-get23:48:036
2025236992827,1cyclictest0-21swapper/622:43:036
2025236992827,1cyclictest0-21swapper/621:30:016
202523699280,28cyclictest0-21swapper/623:03:036
202523699280,27cyclictest0-21swapper/621:48:036
202523699280,27cyclictest0-21swapper/619:38:046
2025231992827,1cyclictest2120315-21systemd-run22:05:025
202523199280,27cyclictest0-21swapper/523:13:035
202523199280,27cyclictest0-21swapper/522:00:015
202523199280,27cyclictest0-21swapper/522:00:005
2025228992827,1cyclictest2045266-21apt-get19:48:044
2025228992827,1cyclictest2029104-21apt-get19:18:034
2025228992827,1cyclictest0-21swapper/421:53:034
202522899280,28cyclictest0-21swapper/423:00:024
202522899280,28cyclictest0-21swapper/422:08:034
202522899280,28cyclictest0-21swapper/420:48:014
202522899280,28cyclictest0-21swapper/420:33:044
202522899280,28cyclictest0-21swapper/419:45:014
202522899280,28cyclictest0-21swapper/400:03:044
202522899280,27cyclictest0-21swapper/419:13:024
202522899280,27cyclictest0-21swapper/400:33:074
202522899280,0cyclictest0-21swapper/421:13:044
2025223992827,1cyclictest0-21swapper/320:35:003
2025223992827,1cyclictest0-21swapper/319:48:043
2025223992826,1cyclictest0-21swapper/323:48:033
2025223992826,1cyclictest0-21swapper/320:23:043
2025218992826,1cyclictest2053346-21apt-get20:03:042
2025218992825,3cyclictest0-21swapper/221:15:012
2025216992827,1cyclictest2158546-21systemd-run23:15:021
2025216992826,1cyclictest2047949-21apt-get19:53:031
202521699280,28cyclictest0-21swapper/123:18:021
202521699280,28cyclictest0-21swapper/121:43:031
2025213992825,2cyclictest2131044-21idleruntime-cro22:25:010
202521399280,27cyclictest0-21swapper/021:33:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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