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2026-05-17 - 20:24
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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 May 17, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10000032219159,19sleep10-21swapper/107:07:051
10000162218158,19sleep50-21swapper/507:07:175
9999502217189,19sleep40-21swapper/407:06:194
9999172214184,20sleep00-21swapper/007:05:510
10001472214181,21sleep30-21swapper/307:09:083
10000262214186,18sleep60-21swapper/607:07:256
10002002209180,20sleep20-21swapper/207:09:552
10000272204173,20sleep70-21swapper/707:07:277
100045899340,32cyclictest1041-21runrttasks09:40:144
100045999320,31cyclictest1112750-21cron10:30:005
100045899320,31cyclictest1048801-21latency_hist08:35:014
1000455993226,6cyclictest0-21swapper/310:10:013
1000449993227,4cyclictest1082492-21apt-get09:35:131
100044799310,3cyclictest1110404-21apt-get10:25:130
100046599301,1cyclictest891ktimers/711:20:027
100046599300,29cyclictest1020655-21cron07:45:027
100046599300,29cyclictest0-21swapper/707:15:147
1000458993025,4cyclictest374-21systemd-journal11:10:014
100045899300,29cyclictest0-21swapper/408:55:014
100045599300,29cyclictest374-21systemd-journal08:05:023
100045599300,29cyclictest1171709-21apt-get12:15:123
100045599300,29cyclictest1070970-21wc09:15:013
100045599300,29cyclictest1068111-21true09:10:013
100045599300,29cyclictest0-21swapper/308:10:133
100045399300,2cyclictest1149442-21apt-get11:35:132
100045399300,2cyclictest1065257-21cron09:05:012
100045399300,29cyclictest0-21swapper/211:35:022
100044799300,29cyclictest1003250-21appstreamcli07:15:020
1000465992928,1cyclictest290-21plymouthd10:50:037
1000465992928,1cyclictest1157802-21apt-get11:50:137
100046599290,28cyclictest290-21plymouthd09:40:017
100046599290,28cyclictest1141066-21apt-get11:20:137
100046599290,28cyclictest0-21swapper/712:15:117
100046599290,28cyclictest0-21swapper/711:05:137
100046599290,28cyclictest0-21swapper/710:40:137
100046599290,28cyclictest0-21swapper/709:45:127
100046599290,28cyclictest0-21swapper/709:25:127
100046599290,28cyclictest0-21swapper/708:50:127
100046599290,1cyclictest1087626-21cron09:45:017
100046599290,1cyclictest1048960-21apt-get08:35:117
1000461992929,0cyclictest0-21swapper/607:15:036
1000461992925,3cyclictest1149239-21sed11:35:016
100046199290,29cyclictest374-21systemd-journal07:15:016
100046199290,28cyclictest1121548-21apt-get10:45:146
100046199290,28cyclictest1040586-21apt-get08:20:136
100046199290,28cyclictest0-21swapper/611:55:116
100046199290,28cyclictest0-21swapper/608:40:116
1000459992927,1cyclictest1068063-21apt-get09:10:015
1000459992927,1cyclictest0-21swapper/510:15:125
1000459992927,1cyclictest0-21swapper/507:35:125
100045999290,28cyclictest0-21swapper/511:45:135
100045999290,28cyclictest0-21swapper/511:40:115
100045999290,28cyclictest0-21swapper/507:55:115
1000458992927,1cyclictest0-21swapper/410:00:024
100045899290,28cyclictest0-21swapper/410:15:134
100045899290,28cyclictest0-21swapper/410:05:124
100045899290,28cyclictest0-21swapper/409:05:134
100045899290,28cyclictest0-21swapper/407:15:044
100045899290,1cyclictest1043366-21apt-get08:25:134
100045599290,28cyclictest1000784-21apt-get07:10:133
100045599290,28cyclictest0-21swapper/311:15:133
100045599290,28cyclictest0-21swapper/309:00:133
100045599290,28cyclictest0-21swapper/308:45:133
100045599290,1cyclictest1057317-21apt-get08:50:123
1000453992928,1cyclictest0-21swapper/210:40:022
1000453992927,1cyclictest1113189-21apt-get10:30:122
1000453992927,1cyclictest0-21swapper/211:15:142
100045399290,29cyclictest1101625-21910:10:012
100045399290,28cyclictest0-21swapper/211:20:132
100045399290,1cyclictest0-21swapper/209:30:122
100044999290,28cyclictest1146624-21apt-get11:30:131
100044999290,28cyclictest0-21swapper/110:50:031
100044999290,28cyclictest0-21swapper/108:35:111
100044999290,28cyclictest0-21swapper/108:30:111
100044999290,28cyclictest0-21swapper/107:10:031
100044799290,29cyclictest1070871-21cron09:15:010
100044799290,29cyclictest0-21swapper/009:10:010
1000465992828,0cyclictest0-21swapper/710:05:117
1000465992827,1cyclictest1118296-21cron10:40:017
1000465992827,1cyclictest0-21swapper/707:45:127
1000465992827,0cyclictest0-21swapper/708:45:137
100046599280,28cyclictest0-21swapper/711:00:127
100046599280,1cyclictest1062933-21apt-get09:00:147
100046599280,1cyclictest0-21swapper/712:15:007
100046599280,1cyclictest0-21swapper/710:00:007
1000461992828,0cyclictest0-21swapper/609:40:146
1000461992827,1cyclictest1079708-21apt-get09:30:126
1000461992827,1cyclictest1070956-21appstreamcli09:15:016
1000461992827,1cyclictest1029457-21apt-get08:00:166
100046199280,28cyclictest290-21plymouthd08:10:016
100046199280,28cyclictest0-21swapper/612:10:016
100046199280,28cyclictest0-21swapper/608:35:036
100046199280,28cyclictest0-21swapper/607:25:136
1000459992827,1cyclictest0-21swapper/512:20:125
1000459992827,1cyclictest0-21swapper/512:15:135
1000459992827,1cyclictest0-21swapper/511:30:135
1000459992827,1cyclictest0-21swapper/511:05:135
1000459992827,1cyclictest0-21swapper/509:10:125
100045999280,27cyclictest0-21swapper/510:35:125
100045999280,27cyclictest0-21swapper/508:05:135
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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