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2025-12-01 - 00:42
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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 Sun Nov 30, 2025 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2288699330,32cyclictest16765-21apt-get08:05:143
2288399310,2cyclictest303-21systemd-journal12:30:020
2288399310,2cyclictest303-21systemd-journal08:05:010
22886993028,1cyclictest0-21swapper/311:00:013
22885992928,0cyclictest0-21swapper/210:50:142
22885992927,1cyclictest609-21dbus-daemon09:10:012
22885992927,1cyclictest0-21swapper/207:40:002
2288599290,28cyclictest27640-21apt-get10:45:152
2288599290,1cyclictest11873-21munin-run11:20:012
22884992927,2cyclictest16744-21idleruntime-cro09:15:001
2288499290,28cyclictest0-21swapper/112:00:141
2288499290,28cyclictest0-21swapper/110:50:141
2288399290,28cyclictest0-21swapper/007:45:120
2288399290,1cyclictest626-21gdbus09:25:010
2288399290,1cyclictest22700-21munin-run10:35:010
2288699280,28cyclictest31103-21apt-get09:45:023
2288699280,28cyclictest14458-21apt-get11:25:133
22885992827,0cyclictest0-21swapper/211:35:142
22885992826,1cyclictest28174-21cron08:30:002
2288599280,27cyclictest0-21swapper/208:50:122
22884992828,0cyclictest0-21swapper/111:10:141
22884992826,1cyclictest14149-21cron08:00:011
2288499280,27cyclictest0-21swapper/111:40:141
2288499280,27cyclictest0-21swapper/110:45:141
2288499280,0cyclictest0-21swapper/111:25:131
2288499280,0cyclictest0-21swapper/108:35:121
22883992826,1cyclictest0-21swapper/008:30:010
2288399280,28cyclictest0-21swapper/009:00:110
2288399280,0cyclictest0-21swapper/008:30:120
22886992727,0cyclictest15021-21apt-get12:35:143
22886992727,0cyclictest0-21swapper/311:50:123
22886992727,0cyclictest0-21swapper/307:10:113
2288699270,0cyclictest20640-21apt-get10:30:153
2288699270,0cyclictest0-21swapper/311:40:153
22885992725,1cyclictest19090-21apt-get08:10:142
2288599270,27cyclictest0-21swapper/210:30:142
2288599270,27cyclictest0-21swapper/207:20:182
22884992727,0cyclictest0-21swapper/110:35:141
22884992727,0cyclictest0-21swapper/110:10:131
22884992726,0cyclictest0-21swapper/111:55:021
2288499270,27cyclictest0-21swapper/109:05:121
2288499270,0cyclictest0-21swapper/109:15:141
22883992727,0cyclictest0-21swapper/009:40:100
22883992727,0cyclictest0-21swapper/009:15:140
22883992727,0cyclictest0-21swapper/007:50:130
22883992726,1cyclictest1583-21apt-get09:50:110
2288399270,27cyclictest0-21swapper/010:50:150
22886992626,0cyclictest25309-21apt-get10:40:133
22886992626,0cyclictest21470-21apt-get08:15:153
22886992626,0cyclictest19725-21apt-get09:20:113
22886992626,0cyclictest0-21swapper/309:05:133
22885992626,0cyclictest0-21swapper/212:35:142
22883992626,0cyclictest0-21swapper/009:25:120
22883992625,1cyclictest53822sleep008:50:120
22886992525,0cyclictest30799-21apt-get08:35:113
22886992525,0cyclictest22967-21apt-get10:35:143
22886992525,0cyclictest0-21swapper/311:30:133
22885992525,0cyclictest0-21swapper/212:10:142
22885992525,0cyclictest0-21swapper/207:40:142
22885992524,0cyclictest21514-21apt-get11:40:152
22884992525,0cyclictest0-21swapper/112:20:121
22884992525,0cyclictest0-21swapper/111:30:131
22884992525,0cyclictest0-21swapper/111:20:011
22884992525,0cyclictest0-21swapper/109:20:111
22883992525,0cyclictest8589-21apt-get10:05:150
22883992525,0cyclictest0-21swapper/009:35:120
22886992424,0cyclictest4840-21apt-get11:05:123
22886992424,0cyclictest0-21swapper/308:25:133
22885992424,0cyclictest0-21swapper/208:35:122
22884992424,0cyclictest16765-21apt-get08:05:141
22884992423,1cyclictest5378-21apt-get08:50:121
22883992423,0cyclictest0-21swapper/011:05:130
22883992422,1cyclictest615-21rs:main0
22886992323,0cyclictest0-21swapper/310:45:153
22886992323,0cyclictest0-21swapper/308:45:133
22885992323,0cyclictest0-21swapper/211:10:132
22885992323,0cyclictest0-21swapper/208:55:132
2288399233,7cyclictest0-21swapper/010:15:120
22885992221,1cyclictest29054-21apt-get09:40:112
22885992220,1cyclictest20341-21sh10:30:012
22884992222,0cyclictest9774-21apt-get07:50:131
22884992222,0cyclictest0-21swapper/110:30:141
22884992222,0cyclictest0-21swapper/109:00:001
22884992222,0cyclictest0-21swapper/107:20:181
22884992221,1cyclictest4530-21sendmail-msp07:40:011
22884992221,0cyclictest19111-21apt-get11:35:141
22884992220,1cyclictest28183-21cron08:30:011
22886992121,0cyclictest0-21swapper/307:45:033
22886992113,5cyclictest7112-21cat07:45:023
22885992121,0cyclictest0-21swapper/211:00:122
22885992121,0cyclictest0-21swapper/209:20:102
22885992121,0cyclictest0-21swapper/208:05:142
22883992121,0cyclictest0-21swapper/011:20:140
22886992020,0cyclictest0-21swapper/312:00:143
22886992018,1cyclictest609-21dbus-daemon09:15:013
22885992020,0cyclictest0-21swapper/207:10:122
22884992020,0cyclictest0-21swapper/112:35:141
22884992019,0cyclictest3379-21apt-get12:10:141
22883992020,0cyclictest0-21swapper/010:25:130
22886991919,0cyclictest0-21swapper/310:50:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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