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2025-12-01 - 07:11
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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 Mon Dec 01, 2025 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21607993027,2cyclictest27362-21dump-pmu-power21:40:012
21609992927,1cyclictest5179-21cron23:10:013
2160999290,28cyclictest4172-21cron00:20:003
2160999290,1cyclictest17109-21apt-get23:35:143
2160799290,28cyclictest4488-21apt-get00:20:112
2160799290,28cyclictest10386-21apt-get19:55:122
2160299290,28cyclictest14176-21apt-get22:20:111
2160299290,1cyclictest31976-21munin-run00:10:011
2160299290,1cyclictest1-21systemd19:55:011
21599992927,1cyclictest29394-21apt-get20:35:140
2159999290,28cyclictest0-21swapper/021:40:120
2159999290,28cyclictest0-21swapper/000:00:130
21609992828,0cyclictest0-21swapper/322:50:153
21609992827,1cyclictest24743-21apt-get20:25:133
2160999280,28cyclictest0-21swapper/319:45:123
2160999280,0cyclictest0-21swapper/320:40:133
21607992827,1cyclictest12448-21apt-get20:00:022
2160799280,28cyclictest0-21swapper/222:00:132
2160799280,27cyclictest24165-21apt-get19:15:142
2160799280,1cyclictest13320-21perf21:10:002
2160799280,0cyclictest0-21swapper/223:20:132
2160799280,0cyclictest0-21swapper/222:40:132
2160799280,0cyclictest0-21swapper/222:30:132
21602992828,0cyclictest0-21swapper/121:20:111
21602992827,0cyclictest13597-21apt-get21:10:121
21602992826,1cyclictest626-21gdbus21:05:011
21602992826,1cyclictest26807-21munin-run20:30:001
2160299280,28cyclictest0-21swapper/123:35:141
21599992827,1cyclictest13-21ksoftirqd/000:10:010
21599992826,1cyclictest6011-21cron20:55:000
21599992825,2cyclictest303-21systemd-journal23:30:010
21599992825,2cyclictest22692-21cron21:30:000
2159999280,28cyclictest0-21swapper/023:15:130
2159999280,0cyclictest0-21swapper/022:15:150
2159999280,0cyclictest0-21swapper/021:15:130
21609992727,0cyclictest0-21swapper/321:40:123
21609992727,0cyclictest0-21swapper/320:35:143
2160999270,27cyclictest0-21swapper/300:20:113
2160999270,0cyclictest27068-21apt-get20:30:133
21607992727,0cyclictest2136-21apt-get00:15:092
21607992727,0cyclictest0-21swapper/222:10:112
21607992727,0cyclictest0-21swapper/219:45:122
21607992725,1cyclictest0-21swapper/220:40:002
2160799270,27cyclictest1374-21perf20:45:002
21599992727,0cyclictest0-21swapper/022:35:150
21599992727,0cyclictest0-21swapper/021:05:140
21599992727,0cyclictest0-21swapper/019:55:120
21609992626,0cyclictest6818-21apt-get00:25:133
21609992626,0cyclictest12455-21apt-get23:25:133
21609992626,0cyclictest0-21swapper/323:00:133
21609992626,0cyclictest0-21swapper/322:00:133
21609992626,0cyclictest0-21swapper/300:10:093
21607992625,1cyclictest31161-21apt-get19:30:132
21602992626,0cyclictest0-21swapper/123:05:141
21602992626,0cyclictest0-21swapper/121:45:131
21602992626,0cyclictest0-21swapper/120:35:141
21599992626,0cyclictest30280-21apt-get21:45:130
21599992626,0cyclictest25883-21apt-get22:45:130
21599992626,0cyclictest20062-21apt-get20:15:130
21599992626,0cyclictest0-21swapper/023:20:130
21599992626,0cyclictest0-21swapper/023:05:140
21599992624,1cyclictest0-21swapper/000:25:130
21609992525,0cyclictest0-21swapper/320:15:133
21609992524,0cyclictest0-21swapper/323:55:133
21607992525,0cyclictest5464-21apt-get23:10:142
21607992525,0cyclictest0-21swapper/220:30:132
21607992525,0cyclictest0-21swapper/200:25:122
21602992525,0cyclictest7786-21apt-get23:15:131
21602992525,0cyclictest15922-21apt-get21:15:131
21602992525,0cyclictest0-21swapper/121:40:121
21599992525,0cyclictest8943-21apt-get21:00:120
21599992525,0cyclictest0-21swapper/023:35:140
21599992525,0cyclictest0-21swapper/019:10:140
21599992523,1cyclictest6297-21apt-get20:55:140
21607992424,0cyclictest0-21swapper/223:10:012
21602992424,0cyclictest0-21swapper/120:05:121
21602992424,0cyclictest0-21swapper/119:10:141
21599992424,0cyclictest0-21swapper/019:40:140
21609992323,0cyclictest0-21swapper/322:20:113
21607992323,0cyclictest32603-21apt-get21:50:122
21607992323,0cyclictest0-21swapper/223:25:132
21602992323,0cyclictest0-21swapper/120:55:141
21602992323,0cyclictest0-21swapper/100:10:091
21602992322,0cyclictest3970-21apt-get20:50:131
21609992222,0cyclictest0-21swapper/322:55:133
21609992222,0cyclictest0-21swapper/319:30:133
21607992222,0cyclictest28211-21apt-get22:50:142
21607992222,0cyclictest20648-21apt-get21:25:132
21607992222,0cyclictest0-21swapper/200:05:022
21602992222,0cyclictest0-21swapper/122:25:131
21599992222,0cyclictest0-21swapper/023:35:000
21599992222,0cyclictest0-21swapper/023:10:130
21599992221,1cyclictest2136-21apt-get00:15:090
21599992221,1cyclictest141rcuc/023:45:010
21609992121,0cyclictest0-21swapper/322:40:133
21609992121,0cyclictest0-21swapper/321:10:123
21609992121,0cyclictest0-21swapper/320:20:153
21609992121,0cyclictest0-21swapper/319:35:133
21607992121,0cyclictest27954-21apt-get21:40:122
21607992121,0cyclictest0-21swapper/220:17:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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