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2026-04-11 - 19:43
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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 Sat Apr 11, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31292412236176,18sleep20-21swapper/207:07:152
31292672234184,40sleep10-21swapper/107:07:371
31292182227172,17sleep60-21swapper/607:06:556
31292512222180,31sleep30-21swapper/307:07:243
31291232222168,17sleep50-21swapper/507:05:335
31291222218189,19sleep40-21swapper/407:05:324
31313202217187,19sleep00-21swapper/007:09:130
31292372212181,20sleep70-21swapper/707:07:117
313161799450,21cyclictest0-21swapper/209:33:362
3131626993230,1cyclictest681ktimers/511:20:015
313161999320,2cyclictest0-21swapper/311:25:013
3131617993228,3cyclictest3187180-21cut08:50:012
313162699310,30cyclictest3159366-21apt08:00:015
313161499310,30cyclictest369-21systemd-journal10:00:011
3131633993028,1cyclictest0-21swapper/709:53:007
313163399300,29cyclictest0-21swapper/708:55:017
313162899300,2cyclictest3134170-21idleruntime-cro07:15:006
313162899300,29cyclictest0-21swapper/612:18:006
3131626993027,2cyclictest1-21systemd07:35:015
313162699300,29cyclictest3246874-21dump-pmu-power10:40:005
313162399300,29cyclictest0-21swapper/408:40:014
3131619993029,1cyclictest278-21plymouthd08:10:023
313161999300,2cyclictest3167446-21idleruntime-cro08:15:013
313161999300,29cyclictest0-21swapper/312:20:003
313161999300,28cyclictest3304854-21apt-get12:28:013
3131617993030,0cyclictest0-21swapper/212:27:482
3131617993028,1cyclictest3225442-21apt-get10:02:592
313161799300,29cyclictest0-21swapper/211:05:012
313161799300,28cyclictest3179107-21apt-get08:38:002
3131633992928,1cyclictest0-21swapper/709:05:027
313163399290,28cyclictest0-21swapper/712:32:597
313163399290,28cyclictest0-21swapper/709:07:597
313163399290,28cyclictest0-21swapper/707:12:577
313162899290,28cyclictest3190139-21apt-get08:57:596
313162899290,28cyclictest0-21swapper/611:22:586
313162899290,28cyclictest0-21swapper/610:08:006
313162899290,28cyclictest0-21swapper/607:20:006
3131626992927,1cyclictest3241856-21apt-get10:33:015
313162699290,28cyclictest0-21swapper/511:02:585
313162699290,28cyclictest0-21swapper/509:48:005
313162699290,28cyclictest0-21swapper/508:57:595
3131623992927,1cyclictest0-21swapper/410:12:584
313162399290,28cyclictest3250203-21apt-get10:47:594
313162399290,28cyclictest0-21swapper/408:28:014
313162399290,1cyclictest3203622-21apt-get09:22:594
313162399290,1cyclictest0-21swapper/410:40:014
3131619992928,1cyclictest0-21swapper/309:17:593
3131619992927,1cyclictest3211704-21http09:37:593
313161999290,28cyclictest0-21swapper/309:55:013
313161999290,28cyclictest0-21swapper/308:28:013
313161999290,1cyclictest3171042-21apt-get08:23:003
313161999290,1cyclictest0-21swapper/311:20:023
3131617992927,1cyclictest3143198-21cron07:30:012
3131617992927,1cyclictest3143198-21cron07:30:002
3131617992927,1cyclictest0-21swapper/212:25:012
3131617992927,1cyclictest0-21swapper/208:15:022
313161799290,28cyclictest3157303-21apt-get07:58:012
313161799290,28cyclictest0-21swapper/212:07:582
313161799290,28cyclictest0-21swapper/210:57:592
313161799290,28cyclictest0-21swapper/209:28:002
313161799290,1cyclictest3263923-21apt-get11:12:592
313161799290,1cyclictest3173102-21sh08:25:022
313161799290,1cyclictest0-21swapper/211:35:012
3131614992927,1cyclictest369-21systemd-journal11:25:011
3131614992927,1cyclictest0-21swapper/112:32:591
3131614992927,1cyclictest0-21swapper/111:15:011
3131614992927,1cyclictest0-21swapper/110:27:581
313161499290,28cyclictest0-21swapper/109:42:581
313161499290,28cyclictest0-21swapper/107:15:011
313161299290,28cyclictest0-21swapper/010:08:000
3131628992828,0cyclictest0-21swapper/608:13:006
3131628992827,1cyclictest3206312-21apt-get09:28:006
3131628992827,1cyclictest0-21swapper/612:25:026
3131628992826,2cyclictest278-21plymouthd07:45:026
3131628992826,1cyclictest0-21swapper/611:42:596
313162899280,0cyclictest0-21swapper/609:05:026
3131626992827,1cyclictest0-21swapper/512:37:585
3131626992827,0cyclictest0-21swapper/508:18:005
313162699280,27cyclictest0-21swapper/512:23:005
313162699280,27cyclictest0-21swapper/507:42:585
313162699280,1cyclictest0-21swapper/511:15:015
3131623992827,1cyclictest0-21swapper/412:07:574
3131623992827,1cyclictest0-21swapper/409:48:004
3131623992826,1cyclictest278-21plymouthd10:05:014
3131623992826,1cyclictest0-21swapper/411:52:594
3131623992824,3cyclictest3238343-21dpkg10:25:014
313162399280,28cyclictest581rcuc/412:30:024
313162399280,28cyclictest3149239-21apt-get07:42:594
313162399280,28cyclictest0-21swapper/411:47:584
313162399280,28cyclictest0-21swapper/410:53:004
3131619992827,1cyclictest0-21swapper/310:35:013
3131619992827,1cyclictest0-21swapper/308:38:003
3131619992821,4cyclictest1-21systemd09:30:013
313161999280,28cyclictest1-21systemd09:35:003
313161999280,1cyclictest0-21swapper/311:02:593
313161999280,0cyclictest0-21swapper/310:22:593
313161999280,0cyclictest0-21swapper/310:10:013
3131617992827,1cyclictest0-21swapper/208:32:582
3131617992826,1cyclictest3274369-21awk11:30:012
313161799280,0cyclictest0-21swapper/209:23:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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