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2025-11-24 - 00:01
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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 23, 2025 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2328699340,2cyclictest5209-21cron09:55:010
2328699310,0cyclictest0-21swapper/010:05:120
2328799300,29cyclictest15980-21sh09:10:011
23286993028,2cyclictest0-21swapper/012:35:130
23286993027,2cyclictest23332-21cron09:25:000
23286993024,5cyclictest13325-21sh12:30:010
23293992927,1cyclictest13943-21apt-get09:05:123
2329399290,28cyclictest26868-21munin-run08:25:013
2329399290,28cyclictest0-21swapper/310:55:143
2329399290,28cyclictest0-21swapper/308:10:013
2328799290,28cyclictest8121-21apt-get07:45:131
23286992927,2cyclictest30807-21apt-get07:25:110
2328699290,28cyclictest4629-21apt-get08:45:130
2328699290,28cyclictest25679-21perf09:30:000
23293992828,0cyclictest0-21swapper/307:30:123
2329399280,27cyclictest0-21swapper/308:50:113
23288992828,0cyclictest13620-21apt-get12:30:152
23288992826,1cyclictest7523-21cron10:00:002
23288992826,1cyclictest303-21systemd-journal09:10:012
23288992826,1cyclictest21909-21http10:30:012
2328899280,27cyclictest0-21swapper/212:15:012
2328899280,27cyclictest0-21swapper/210:50:132
2328899280,27cyclictest0-21swapper/210:10:142
2328899280,0cyclictest0-21swapper/210:35:132
23287992827,0cyclictest0-21swapper/109:00:121
23287992826,1cyclictest609-21dbus-daemon10:50:001
23287992826,1cyclictest22733-21apt-get11:40:131
2328799280,28cyclictest28485-21apt-get07:20:111
2328799280,27cyclictest0-21swapper/108:25:121
2328799280,0cyclictest0-21swapper/110:15:151
23286992828,0cyclictest0-21swapper/012:10:140
23286992827,1cyclictest15683-21apt-get11:25:110
2328699280,28cyclictest0-21swapper/011:55:110
23293992727,0cyclictest0-21swapper/308:30:123
23293992727,0cyclictest0-21swapper/307:45:133
23293992726,1cyclictest32372-21apt-get08:35:113
23293992726,0cyclictest30934-21apt-get09:40:123
2329399270,27cyclictest0-21swapper/311:25:113
2329399270,27cyclictest0-21swapper/309:15:113
2329399270,0cyclictest8419-21perf11:10:013
23288992727,0cyclictest15111-21apt-get10:15:152
23288992727,0cyclictest0-21swapper/207:55:022
23288992726,1cyclictest17743-21apt-get08:05:122
2328899270,27cyclictest0-21swapper/210:50:002
2328899270,0cyclictest0-21swapper/207:40:142
23287992727,0cyclictest0-21swapper/110:40:121
23287992726,1cyclictest29752-21apt-get08:30:121
2328799270,0cyclictest0-21swapper/110:30:011
2328799270,0cyclictest0-21swapper/108:05:121
23286992727,0cyclictest0-21swapper/011:50:130
23286992727,0cyclictest0-21swapper/009:40:120
23286992727,0cyclictest0-21swapper/007:10:130
23286992726,1cyclictest17489-21munin-run08:05:010
23286992726,1cyclictest0-21swapper/011:05:120
23293992626,0cyclictest0-21swapper/310:20:143
23293992626,0cyclictest0-21swapper/309:55:123
23293992626,0cyclictest0-21swapper/307:55:153
23288992626,0cyclictest0-21swapper/208:35:012
23288992626,0cyclictest0-21swapper/208:25:122
23288992626,0cyclictest0-21swapper/207:45:132
23288992626,0cyclictest0-21swapper/207:20:112
23287992626,0cyclictest27392-21apt-get11:50:131
23287992626,0cyclictest0-21swapper/110:30:121
23287992626,0cyclictest0-21swapper/110:20:131
23286992626,0cyclictest0-21swapper/007:55:150
23293992525,0cyclictest0-21swapper/312:30:143
23293992525,0cyclictest0-21swapper/310:10:143
23293992525,0cyclictest0-21swapper/307:30:013
23288992525,0cyclictest0-21swapper/209:00:112
23288992525,0cyclictest0-21swapper/208:10:132
23287992525,0cyclictest0-21swapper/112:25:111
23287992525,0cyclictest0-21swapper/110:35:131
23287992525,0cyclictest0-21swapper/107:15:131
23287992523,1cyclictest303-21systemd-journal07:35:011
23286992525,0cyclictest0-21swapper/009:05:120
23286992523,1cyclictest19522-21munin-run10:25:010
23293992424,0cyclictest24797-21apt-get10:35:133
23293992424,0cyclictest0-21swapper/308:45:123
23293992424,0cyclictest0-21swapper/308:00:123
23293992424,0cyclictest0-21swapper/307:15:013
23293992422,1cyclictest30524-21cron07:25:013
23288992424,0cyclictest0-21swapper/210:40:122
23288992424,0cyclictest0-21swapper/208:30:012
23287992422,1cyclictest0-21swapper/109:00:001
23286992424,0cyclictest0-21swapper/009:00:110
23288992323,0cyclictest0-21swapper/211:50:132
23288992323,0cyclictest0-21swapper/211:40:132
23288992323,0cyclictest0-21swapper/210:30:122
23288992323,0cyclictest0-21swapper/210:20:132
23288992322,0cyclictest26135-21apt-get07:15:132
23287992323,0cyclictest0-21swapper/112:35:011
23287992323,0cyclictest0-21swapper/109:25:001
23287992323,0cyclictest0-21swapper/107:35:121
2328799232,16cyclictest607-21irqbalance08:36:061
23287992321,1cyclictest4368-21munin-run08:45:001
23286992323,0cyclictest0-21swapper/010:10:140
23288992222,0cyclictest0-21swapper/212:25:112
23288992220,1cyclictest2758-21cron07:35:012
23288992220,1cyclictest23366-21perf09:25:002
23286992222,0cyclictest0-21swapper/012:20:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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