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2026-06-14 - 04:14
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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 Sun Jun 14, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28949282234170,20sleep10-21swapper/119:05:281
28951112222165,18sleep50-21swapper/519:08:055
28949432214186,18sleep70-21swapper/719:05:427
28950692213185,18sleep20-21swapper/219:07:302
28949772207178,19sleep40-21swapper/419:06:114
28949992205178,18sleep60-21swapper/619:06:296
28949302203172,21sleep30-21swapper/319:05:303
28949732198170,19sleep00-21swapper/019:06:070
2895454993332,1cyclictest0-21swapper/321:35:053
289546599320,31cyclictest3019000-21latency_hist22:50:017
289545499320,31cyclictest2898126-21idleruntime-cro19:15:013
289545099320,31cyclictest3035858-21apt-get23:20:061
2895460993127,3cyclictest2988019-21cron21:55:015
289546099310,30cyclictest3065413-21http00:15:065
289546099310,30cyclictest2954544-21unix_chkpwd20:55:015
289545499310,3cyclictest3073332-21cron00:30:013
2895453993127,3cyclictest279850-21systemd-journal21:25:012
289545099310,30cyclictest3010343-21true22:35:011
289545099310,30cyclictest1-21systemd20:15:011
289546599300,2cyclictest2974056-21cron21:30:017
289546299300,29cyclictest2907195-21cron19:30:016
289546299300,29cyclictest2907195-21cron19:30:016
289546099300,29cyclictest2946149-21cron20:40:015
289546099300,29cyclictest0-21swapper/520:50:015
2895458993028,1cyclictest3065410-21apt-get00:15:054
289545899300,29cyclictest2901609-21cron19:20:014
289545499300,29cyclictest0-21swapper/323:45:063
289545499300,29cyclictest0-21swapper/300:20:063
289545399300,29cyclictest2921154-21919:55:012
289545099300,29cyclictest3010730-21apt-get22:35:061
289545099300,29cyclictest0-21swapper/120:00:011
2895448993029,1cyclictest1-21systemd21:55:010
2895448993028,1cyclictest2938253-21apt-get20:25:070
289544899300,29cyclictest279850-21systemd-journal22:30:010
2895465992928,1cyclictest0-21swapper/723:15:067
289546599290,28cyclictest2994028-21apt-get22:05:067
289546599290,28cyclictest290-21plymouthd23:53:597
289546599290,28cyclictest107-21kcompactd023:42:127
289546599290,28cyclictest0-21swapper/719:50:087
289546599290,1cyclictest0-21swapper/700:25:067
289546299290,28cyclictest3019122-21http22:50:086
289546299290,28cyclictest2913201-21apt-get19:40:066
289546299290,28cyclictest0-21swapper/622:40:066
289546099290,28cyclictest2954982-21apt-get20:55:065
289546099290,28cyclictest0-21swapper/523:49:115
289546099290,28cyclictest0-21swapper/523:15:065
289546099290,28cyclictest0-21swapper/523:00:055
289546099290,28cyclictest0-21swapper/523:00:055
289546099290,28cyclictest0-21swapper/521:55:085
289546099290,28cyclictest0-21swapper/521:30:055
2895458992928,1cyclictest0-21swapper/420:45:054
2895458992927,1cyclictest2963354-21apt-get21:10:074
2895458992927,1cyclictest0-21swapper/422:50:034
2895458992926,3cyclictest3038195-21cron23:25:014
289545899290,29cyclictest3001932-21cron22:20:014
289545899290,28cyclictest0-21swapper/419:55:064
289545899290,28cyclictest0-21swapper/419:45:064
289545899290,28cyclictest0-21swapper/400:20:074
289545899290,1cyclictest0-21swapper/423:15:014
2895454992928,1cyclictest1-21systemd00:35:023
2895454992928,1cyclictest0-21swapper/322:30:063
2895454992927,1cyclictest1-21systemd00:40:023
2895454992927,1cyclictest0-21swapper/323:32:313
289545499290,28cyclictest0-21swapper/323:40:053
289545499290,28cyclictest0-21swapper/323:10:043
289545499290,28cyclictest0-21swapper/321:31:583
289545499290,28cyclictest0-21swapper/321:09:153
289545499290,28cyclictest0-21swapper/320:05:013
289545499290,28cyclictest0-21swapper/320:00:013
289545499290,1cyclictest0-21swapper/320:15:063
2895453992928,1cyclictest2982846-21apt-get21:45:062
2895453992925,3cyclictest3052185-21cron23:50:012
289545399290,29cyclictest0-21swapper/221:45:012
289545399290,28cyclictest2929891-21apt-get20:10:062
289545399290,28cyclictest0-21swapper/223:55:072
289545399290,28cyclictest0-21swapper/223:50:072
289545399290,28cyclictest0-21swapper/223:25:052
289545399290,28cyclictest0-21swapper/222:52:112
289545399290,28cyclictest0-21swapper/221:25:062
289545399290,28cyclictest0-21swapper/220:30:052
289545399290,28cyclictest0-21swapper/219:15:052
289545399290,1cyclictest0-21swapper/222:40:012
2895450992928,1cyclictest3076549-21apt-get00:35:061
289545099290,28cyclictest107-21kcompactd023:38:261
289545099290,28cyclictest0-21swapper/123:45:071
289545099290,28cyclictest0-21swapper/123:43:171
289545099290,28cyclictest0-21swapper/123:09:561
289545099290,28cyclictest0-21swapper/123:09:561
289545099290,28cyclictest0-21swapper/122:00:061
2895448992929,0cyclictest0-21swapper/022:35:000
289544899290,28cyclictest0-21swapper/023:40:060
289544899290,28cyclictest0-21swapper/022:55:050
289544899290,28cyclictest0-21swapper/022:35:060
289544899290,28cyclictest0-21swapper/022:00:070
289544899290,28cyclictest0-21swapper/000:05:070
289544899290,1cyclictest0-21swapper/000:10:090
2895465992828,0cyclictest0-21swapper/723:45:057
2895465992827,1cyclictest3013529-21apt-get22:40:067
2895465992827,1cyclictest0-21swapper/720:20:077
2895465992826,1cyclictest3038248-21923:25:017
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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