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2025-09-19 - 07:03
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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 Sep 19, 2025 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39521472236174,19sleep40-21swapper/419:06:564
39501462234174,19sleep50-21swapper/519:06:005
39523332227169,19sleep70-21swapper/719:09:327
39501152225169,43sleep10-21swapper/119:05:321
39521992223190,21sleep00-21swapper/019:07:400
39521462221167,18sleep30-21swapper/319:06:553
39522402217185,20sleep20-21swapper/219:08:142
39522052212179,21sleep60-21swapper/619:07:466
395257499350,34cyclictest0-21swapper/121:11:071
395259299340,33cyclictest0-21swapper/721:11:077
395258699330,28cyclictest0-21swapper/519:11:075
3952592993227,4cyclictest0-21swapper/700:31:077
3952590993127,3cyclictest3955137-21sh19:15:006
395257999310,3cyclictest3991363-21idleruntime-cro20:20:002
395259299300,1cyclictest0-21swapper/723:31:077
395259099300,29cyclictest4043856-21sh22:00:016
3952586993027,3cyclictest0-21swapper/521:11:075
395258699300,30cyclictest0-21swapper/500:31:075
395258199300,29cyclictest0-21swapper/322:56:073
395257999300,2cyclictest3980579-21cron20:00:002
395257999300,2cyclictest3820478-21systemd-journal23:25:002
395257999300,29cyclictest4087502-21apt23:20:002
3952574993027,3cyclictest0-21swapper/100:31:071
3952574993026,3cyclictest0-21swapper/121:40:011
395257499300,29cyclictest3978210-21cat19:55:011
395257499300,29cyclictest3964404-21apt-get19:31:071
3952592992928,1cyclictest0-21swapper/723:56:097
3952592992927,1cyclictest4115245-21apt-get00:11:077
3952592992927,1cyclictest3981104-21apt-get20:01:077
395259299290,28cyclictest0-21swapper/720:26:067
395259299290,28cyclictest0-21swapper/719:55:017
395259299290,28cyclictest0-21swapper/719:31:077
395259299290,0cyclictest0-21swapper/722:46:067
3952590992927,1cyclictest3983792-21apt-get20:06:096
3952590992927,1cyclictest0-21swapper/600:06:086
395259099290,1cyclictest4044372-21apt-get22:01:076
3952586992927,1cyclictest0-21swapper/522:11:085
395258699290,28cyclictest0-21swapper/522:36:085
3952584992928,1cyclictest0-21swapper/420:36:114
3952584992928,1cyclictest0-21swapper/420:36:114
3952584992927,1cyclictest4022803-21apt-get21:21:074
3952584992927,1cyclictest4016637-21sh21:10:004
3952584992927,1cyclictest0-21swapper/423:01:094
395258499290,28cyclictest4005114-21dump-pmu-power20:45:004
395258499290,28cyclictest4005114-21dump-pmu-power20:45:004
395258499290,28cyclictest0-21swapper/422:51:074
395258499290,28cyclictest0-21swapper/420:35:004
395258499290,28cyclictest0-21swapper/420:35:004
395258499290,1cyclictest0-21swapper/422:36:084
395258199290,28cyclictest0-21swapper/323:36:103
395258199290,28cyclictest0-21swapper/300:16:083
3952579992927,1cyclictest4005603-21apt-get20:46:062
3952579992927,1cyclictest3820478-21systemd-journal23:00:002
3952579992927,1cyclictest0-21swapper/220:10:002
3952579992926,2cyclictest4065678-21sh22:40:002
3952579992925,3cyclictest4022109-21apt-config21:20:012
395257999290,28cyclictest0-21swapper/222:51:072
395257999290,28cyclictest0-21swapper/222:26:072
395257999290,28cyclictest0-21swapper/222:06:112
395257999290,1cyclictest4017138-21apt-get21:11:072
3952574992928,1cyclictest0-21swapper/123:56:091
3952574992927,1cyclictest39864802sleep120:11:071
395257499290,28cyclictest0-21swapper/123:11:091
395257499290,28cyclictest0-21swapper/121:51:071
395257499290,1cyclictest0-21swapper/123:31:071
395257499290,1cyclictest0-21swapper/121:50:011
3952573992926,2cyclictest3820478-21systemd-journal23:50:000
395257399290,28cyclictest4077238-21apt-get23:01:100
395257399290,28cyclictest0-21swapper/022:26:070
395257399290,28cyclictest0-21swapper/022:21:070
3952592992827,1cyclictest0-21swapper/720:11:077
3952592992826,2cyclictest0-21swapper/721:40:017
3952592992826,1cyclictest4079428-21sh23:05:007
3952592992823,4cyclictest0-21swapper/719:11:077
395259299280,1cyclictest4019828-21apt-get21:16:087
3952590992827,0cyclictest0-21swapper/621:01:026
3952590992826,1cyclictest4088017-21apt-get23:21:096
395259099280,27cyclictest0-21swapper/622:46:066
395259099280,27cyclictest0-21swapper/621:21:076
3952586992827,1cyclictest0-21swapper/523:11:085
3952586992827,1cyclictest0-21swapper/522:51:075
3952586992825,3cyclictest0-21swapper/520:41:095
3952586992825,3cyclictest0-21swapper/520:41:095
3952584992828,0cyclictest0-21swapper/419:31:074
3952584992826,1cyclictest0-21swapper/423:50:004
3952584992826,1cyclictest0-21swapper/421:16:084
3952584992826,1cyclictest0-21swapper/400:06:084
395258499280,27cyclictest0-21swapper/423:26:084
395258499280,27cyclictest0-21swapper/422:01:064
395258499280,0cyclictest0-21swapper/419:21:094
3952581992827,1cyclictest0-21swapper/320:11:073
395258199280,0cyclictest0-21swapper/322:16:073
395258199280,0cyclictest0-21swapper/321:46:073
3952574992826,1cyclictest4079429-21sh23:05:001
395257499280,28cyclictest4069145-21apt-get22:46:061
395257399280,0cyclictest0-21swapper/023:41:070
3952592992725,1cyclictest0-21swapper/722:51:077
3952592992724,3cyclictest0-21swapper/720:36:127
3952592992724,3cyclictest0-21swapper/720:36:127
395259299270,0cyclictest0-21swapper/721:50:017
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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