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2026-07-03 - 13:40
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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 Jul 03, 2026 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25306822232171,19sleep20-21swapper/219:05:482
25307332229167,19sleep60-21swapper/619:06:336
25308342213184,19sleep30-21swapper/319:07:583
25308222212181,21sleep00-21swapper/019:07:470
25308002211183,18sleep50-21swapper/519:07:285
25307462211183,19sleep10-21swapper/119:06:441
25308942209180,19sleep70-21swapper/719:08:517
25308442204176,19sleep40-21swapper/419:08:084
253122899340,32cyclictest2614127-21expr21:40:014
2531234993231,1cyclictest17850irq/4-ttyS019:35:017
253123399320,4cyclictest2650162-21sed22:45:016
253123399320,31cyclictest2538623-21idleruntime-cro19:25:016
2531230993227,5cyclictest0-21swapper/519:15:015
253122899320,31cyclictest2633374-21latency_hist22:15:024
2531224993227,4cyclictest1-21systemd19:55:013
253122199320,31cyclictest2692093-21latency_hist00:00:011
2531218993227,5cyclictest0-21swapper/019:45:010
253121899320,31cyclictest279850-21systemd-journal23:55:010
253121899320,0cyclictest0-21swapper/020:50:010
2531234993127,3cyclictest2599844-21true21:15:017
253123399310,30cyclictest107-21kcompactd022:10:066
2531230993127,4cyclictest0-21swapper/519:40:005
253123099310,31cyclictest1-21systemd00:05:015
253123099310,30cyclictest2583162-21cron20:45:015
253121899310,30cyclictest1-21systemd20:15:010
253123399300,30cyclictest2641616-21apt-get22:30:016
253123399300,29cyclictest2535734-21919:20:016
253123399300,29cyclictest0-21swapper/623:34:306
253122899300,29cyclictest2661232-21cron23:05:014
253122899300,29cyclictest0-21swapper/423:25:014
253122899300,28cyclictest0-21swapper/420:01:054
2531224993029,1cyclictest0-21swapper/320:40:013
2531224993028,1cyclictest0-21swapper/321:55:033
253122499300,29cyclictest2672305-21apt-get23:25:013
253122499300,29cyclictest0-21swapper/322:19:473
253122499300,29cyclictest0-21swapper/320:45:003
2531222993028,1cyclictest2541527-21cpuspeed_turbos19:30:012
2531222993028,1cyclictest0-21swapper/222:10:012
2531218993025,4cyclictest0-21swapper/019:35:000
253121899300,29cyclictest0-21swapper/022:45:010
253121899300,28cyclictest0-21swapper/020:45:000
253121899300,0cyclictest0-21swapper/020:55:000
253121899300,0cyclictest0-21swapper/020:55:000
2531234992928,1cyclictest2672337-21munin-run23:25:017
2531234992928,1cyclictest0-21swapper/723:10:017
253123499290,28cyclictest0-21swapper/721:20:027
253123399290,28cyclictest1-21systemd19:15:026
253123399290,28cyclictest0-21swapper/621:02:226
2531230992927,2cyclictest290-21plymouthd21:01:175
2531230992927,1cyclictest0-21swapper/522:50:015
253123099290,28cyclictest2650031-21appstreamcli22:45:025
253123099290,28cyclictest0-21swapper/520:30:025
253123099290,28cyclictest0-21swapper/520:26:215
253123099290,1cyclictest0-21swapper/523:10:035
2531228992927,1cyclictest0-21swapper/422:00:014
2531228992924,4cyclictest2702958-21unix_chkpwd00:20:014
2531228992924,4cyclictest2702958-21unix_chkpwd00:20:014
253122899290,28cyclictest0-21swapper/422:20:014
253122899290,28cyclictest0-21swapper/419:24:594
253122899290,28cyclictest0-21swapper/400:00:034
2531224992927,1cyclictest2672305-21apt-get23:25:013
253122499290,28cyclictest0-21swapper/323:14:373
253122499290,28cyclictest0-21swapper/321:20:023
253122499290,28cyclictest0-21swapper/320:46:463
253122499290,28cyclictest0-21swapper/320:03:463
253122499290,1cyclictest2677867-21cron23:35:013
253122499290,1cyclictest0-21swapper/323:00:063
2531222992927,1cyclictest856-21dbus-daemon20:55:012
2531222992927,1cyclictest856-21dbus-daemon20:55:012
2531222992927,1cyclictest1-21systemd00:35:012
253122299290,28cyclictest2538473-21apt-get19:25:002
253122299290,28cyclictest0-21swapper/223:29:082
253122299290,28cyclictest0-21swapper/223:15:022
253122299290,28cyclictest0-21swapper/222:04:592
253122299290,28cyclictest0-21swapper/219:50:012
253122299290,28cyclictest0-21swapper/219:50:012
253122299290,28cyclictest0-21swapper/200:40:012
253122299290,1cyclictest2614126-21cron21:40:012
2531221992928,1cyclictest2602644-21apt-get21:20:021
2531221992928,1cyclictest0-21swapper/122:36:271
2531221992927,1cyclictest0-21swapper/122:45:021
2531221992927,1cyclictest0-21swapper/120:40:011
2531221992927,1cyclictest0-21swapper/100:10:011
253122199290,29cyclictest0-21swapper/121:50:011
253122199290,28cyclictest0-21swapper/123:38:161
253122199290,28cyclictest0-21swapper/123:10:041
253122199290,28cyclictest0-21swapper/122:55:011
253122199290,28cyclictest0-21swapper/122:32:091
253122199290,28cyclictest0-21swapper/121:40:001
253122199290,28cyclictest0-21swapper/120:41:241
253122199290,28cyclictest0-21swapper/120:20:011
253122199290,28cyclictest0-21swapper/119:25:011
2531218992928,1cyclictest0-21swapper/022:45:020
2531218992926,3cyclictest0-21swapper/021:00:040
2531218992925,3cyclictest0-21swapper/019:40:000
2531218992925,3cyclictest0-21swapper/019:15:010
253121899290,29cyclictest0-21swapper/020:55:220
253121899290,28cyclictest2630481-21apt-get22:09:590
253121899290,28cyclictest2569324-21apt-get20:20:020
253121899290,28cyclictest0-21swapper/023:08:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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