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2025-11-29 - 04:33
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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 rackeslot5.osadl.org (updated Sat Nov 29, 2025 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2593699330,32cyclictest0-21swapper/000:25:150
2593699320,0cyclictest0-21swapper/021:40:120
2594699300,1cyclictest14746-21sh19:55:003
25946992927,1cyclictest27030-21cron21:30:003
25946992927,1cyclictest19673-21awk21:15:013
25946992927,1cyclictest19673-21awk21:15:003
2594699290,28cyclictest25545-21apt-get22:35:133
2594699290,28cyclictest0-21swapper/320:30:143
25941992928,1cyclictest11534-21awk23:15:002
2594199290,28cyclictest12698-21turbostat21:00:012
2594199290,1cyclictest6880-21cron23:05:012
2593899290,28cyclictest0-21swapper/120:05:131
2593699290,28cyclictest0-21swapper/023:55:120
2593699290,28cyclictest0-21swapper/021:45:110
2593699290,28cyclictest0-21swapper/020:40:120
25946992828,0cyclictest0-21swapper/321:55:123
2594699280,27cyclictest18518-21apt-get22:20:123
2594699280,27cyclictest0-21swapper/323:50:133
2594699280,0cyclictest0-21swapper/321:45:123
25941992828,0cyclictest27900-21apt-get22:40:122
25941992828,0cyclictest0-21swapper/222:50:132
2594199280,27cyclictest14170-21apt-get23:20:132
2594199280,0cyclictest0-21swapper/222:45:112
2594199280,0cyclictest0-21swapper/220:15:142
25938992828,0cyclictest0-21swapper/123:25:131
25938992828,0cyclictest0-21swapper/122:30:111
25938992828,0cyclictest0-21swapper/120:35:141
25938992828,0cyclictest0-21swapper/119:10:141
2593899280,28cyclictest0-21swapper/119:15:111
2593899280,0cyclictest0-21swapper/120:45:131
2593899280,0cyclictest0-21swapper/119:45:131
2593699280,0cyclictest0-21swapper/000:35:120
25946992727,0cyclictest30578-21apt-get19:20:023
2594699270,27cyclictest0-21swapper/319:45:023
2594699270,0cyclictest0-21swapper/300:00:033
25941992727,0cyclictest3238-21perf00:05:002
25941992727,0cyclictest0-21swapper/223:40:132
25941992726,1cyclictest15043-21perf21:05:012
2594199270,0cyclictest0-21swapper/220:35:002
25938992727,0cyclictest0-21swapper/123:10:141
25938992727,0cyclictest0-21swapper/122:05:121
25938992727,0cyclictest0-21swapper/120:15:131
25938992726,1cyclictest6851-21apt-get21:55:101
2593899270,27cyclictest0-21swapper/120:25:121
25936992727,0cyclictest19960-21apt-get21:15:130
25936992727,0cyclictest0-21swapper/023:50:130
25936992727,0cyclictest0-21swapper/023:15:110
25936992727,0cyclictest0-21swapper/023:05:120
25936992726,1cyclictest3406-21perf20:40:010
2593699270,27cyclictest0-21swapper/023:45:130
25946992626,0cyclictest17384-21apt-get20:00:113
25946992626,0cyclictest0-21swapper/319:15:113
25946992626,0cyclictest0-21swapper/300:20:013
25946992624,1cyclictest12531-21cron00:25:013
25941992626,0cyclictest10504-21apt-get00:20:142
25941992626,0cyclictest0-21swapper/223:45:132
25941992626,0cyclictest0-21swapper/222:10:132
25941992626,0cyclictest0-21swapper/221:25:112
25941992626,0cyclictest0-21swapper/219:40:102
25938992626,0cyclictest0-21swapper/123:30:121
25938992626,0cyclictest0-21swapper/120:50:131
25938992626,0cyclictest0-21swapper/119:55:121
25938992625,1cyclictest14861-21awk00:30:011
25938992624,1cyclictest303-21systemd-journal22:20:001
25936992626,0cyclictest1142-21apt-get00:00:120
25936992623,3cyclictest0-21swapper/000:05:120
25946992525,0cyclictest0-21swapper/300:25:143
25941992525,0cyclictest0-21swapper/222:25:112
25941992525,0cyclictest0-21swapper/221:35:142
25941992525,0cyclictest0-21swapper/219:30:132
25941992523,1cyclictest303-21systemd-journal23:10:002
25936992525,0cyclictest0-21swapper/023:40:140
25936992524,0cyclictest0-21swapper/000:20:150
25946992424,0cyclictest15149-21apt-get00:30:133
25946992424,0cyclictest0-21swapper/323:30:123
25946992424,0cyclictest0-21swapper/322:15:113
25946992424,0cyclictest0-21swapper/320:20:163
25946992424,0cyclictest0-21swapper/320:20:163
25946992424,0cyclictest0-21swapper/300:10:133
25941992424,0cyclictest0-21swapper/222:30:112
25941992424,0cyclictest0-21swapper/222:00:122
25941992424,0cyclictest0-21swapper/221:15:122
25941992424,0cyclictest0-21swapper/220:50:122
25941992422,1cyclictest582-21apt-config00:00:022
25941992422,1cyclictest303-21systemd-journal00:10:012
25938992424,0cyclictest0-21swapper/119:20:141
25936992424,0cyclictest0-21swapper/020:00:110
2594699236,4cyclictest0-21swapper/322:49:073
25941992323,0cyclictest3668-21apt-get20:40:112
25941992323,0cyclictest1622-21apt-get21:45:022
25941992323,0cyclictest0-21swapper/223:15:112
25941992322,1cyclictest271rcuc/222:40:002
25938992323,0cyclictest29650-21apt-get21:35:141
25938992323,0cyclictest0-21swapper/122:20:131
25938992323,0cyclictest0-21swapper/121:50:131
25936992323,0cyclictest0-21swapper/019:30:120
25936992323,0cyclictest0-21swapper/019:10:150
25946992222,0cyclictest0-21swapper/322:05:113
25946992222,0cyclictest0-21swapper/321:30:113
25946992222,0cyclictest0-21swapper/320:10:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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