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2026-03-28 - 08:47
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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 Mar 28, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34588462229173,18sleep50-21swapper/519:09:245
34566252228171,45sleep30-21swapper/319:05:213
34588042222192,19sleep20-21swapper/219:08:492
34588062221188,21sleep40-21swapper/419:08:524
34588212214186,18sleep10-21swapper/119:09:051
34567312212185,17sleep60-21swapper/619:06:526
34568072211182,19sleep70-21swapper/719:07:587
34566602209177,21sleep00-21swapper/019:05:490
3459115993228,3cyclictest0-21swapper/600:20:016
345911199322,29cyclictest681ktimers/521:47:595
3459115993127,3cyclictest3487497-21apt-get20:03:026
345910699310,2cyclictest3619708-21latency_hist00:05:023
345909899310,30cyclictest3554735-21turbostat.cron22:05:010
345912099300,29cyclictest278-21plymouthd23:40:027
345912099300,29cyclictest0-21swapper/723:15:007
345911199300,2cyclictest369-21systemd-journal23:40:015
345910999301,1cyclictest0-21swapper/423:35:014
345910999300,29cyclictest3508648-21latency_hist20:40:004
345910999300,29cyclictest0-21swapper/421:33:004
345910699300,2cyclictest3473135-21sh19:35:023
3459104993028,1cyclictest3552669-21apt-get22:03:002
345910499300,29cyclictest369-21systemd-journal21:30:012
345910499300,29cyclictest0-21swapper/223:30:002
345910099300,29cyclictest3522122-21idleruntime-cro21:05:011
3459098993027,2cyclictest3614206-21idleruntime-cro23:55:020
345909899300,29cyclictest3505963-21idleruntime-cro20:35:010
3459120992926,2cyclictest3579216-21idleruntime-cro22:50:017
345912099290,28cyclictest0-21swapper/723:18:027
345912099290,28cyclictest0-21swapper/722:55:007
345912099290,0cyclictest0-21swapper/723:28:017
3459115992927,1cyclictest3536468-21apt-get21:33:016
345911599290,28cyclictest0-21swapper/623:58:016
345911599290,28cyclictest0-21swapper/621:43:006
345911599290,1cyclictest3603481-21systemd-run23:35:026
3459109992927,1cyclictest0-21swapper/419:48:014
345910999290,28cyclictest3501212-21apt-get20:28:014
345910999290,28cyclictest0-21swapper/421:13:004
3459106992927,1cyclictest0-21swapper/321:05:013
345910699290,29cyclictest3589984-21idleruntime-cro23:10:013
345910699290,29cyclictest3589984-21idleruntime-cro23:10:013
345910699290,28cyclictest0-21swapper/320:28:013
345910699290,1cyclictest3625067-21cron00:15:023
345910699290,1cyclictest0-21swapper/320:45:003
345910699290,1cyclictest0-21swapper/319:30:023
345910499290,28cyclictest0-21swapper/222:45:012
345910499290,28cyclictest0-21swapper/221:08:022
345910499290,28cyclictest0-21swapper/220:00:012
345910499290,28cyclictest0-21swapper/200:28:012
345910499290,28cyclictest0-21swapper/200:18:002
345910499290,1cyclictest3459623-21apt-get19:13:032
345910499290,1cyclictest0-21swapper/220:40:012
3459100992928,1cyclictest311rcuc/122:08:011
345910099290,29cyclictest3503285-21munin-run20:30:011
345910099290,1cyclictest1-21systemd21:50:011
345910099290,1cyclictest0-21swapper/120:25:001
3459098992927,1cyclictest3533151-21sh21:25:000
3459098992927,1cyclictest0-21swapper/023:03:030
3459098992927,1cyclictest0-21swapper/023:03:030
3459098992927,1cyclictest0-21swapper/021:13:000
345909899290,28cyclictest0-21swapper/020:38:010
3459120992827,1cyclictest0-21swapper/721:55:017
3459120992827,1cyclictest0-21swapper/720:38:017
3459120992825,2cyclictest3614208-21dump-pmu-power23:55:017
3459120992825,2cyclictest3533155-21sh21:25:017
3459120992825,2cyclictest3492867-21apt-get20:13:017
345912099280,0cyclictest0-21swapper/722:35:007
3459115992827,1cyclictest0-21swapper/619:15:026
345911599280,28cyclictest278-21plymouthd22:10:006
345911599280,0cyclictest0-21swapper/621:03:006
345911199280,1cyclictest3563437-21apt-get22:23:005
345910999280,27cyclictest0-21swapper/423:53:014
345910999280,27cyclictest0-21swapper/421:58:024
345910999280,0cyclictest0-21swapper/420:03:034
345910699280,28cyclictest0-21swapper/323:50:013
345910699280,28cyclictest0-21swapper/322:43:003
345910699280,28cyclictest0-21swapper/322:25:003
345910699280,28cyclictest0-21swapper/300:08:013
3459104992826,1cyclictest3536468-21apt-get21:33:012
345910499280,0cyclictest0-21swapper/221:12:592
345910499280,0cyclictest0-21swapper/220:53:032
3459100992826,1cyclictest0-21swapper/119:18:011
345910099280,28cyclictest0-21swapper/122:23:001
345910099280,28cyclictest0-21swapper/121:15:011
345910099280,28cyclictest0-21swapper/120:58:011
3459098992826,1cyclictest3579228-21munin-run22:50:010
3459098992826,1cyclictest0-21swapper/020:13:020
3459098992825,2cyclictest3630739-21latency_hist00:25:020
345909899280,0cyclictest0-21swapper/023:38:010
3459120992727,0cyclictest0-21swapper/719:58:017
3459120992727,0cyclictest0-21swapper/719:25:027
3459115992727,0cyclictest0-21swapper/623:55:026
3459115992727,0cyclictest0-21swapper/620:08:016
3459115992727,0cyclictest0-21swapper/600:28:016
3459115992726,1cyclictest0-21swapper/620:40:016
3459115992726,1cyclictest0-21swapper/600:25:016
3459115992724,3cyclictest3517352-21apt-get20:58:006
3459115992723,4cyclictest0-21swapper/619:35:016
3459111992727,0cyclictest0-21swapper/523:48:005
3459111992725,1cyclictest3568186-21sh22:30:015
3459111992725,1cyclictest0-21swapper/522:10:015
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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