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2025-11-22 - 00:14
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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 Fri Nov 21, 2025 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
607899300,29cyclictest4050-21sh08:15:001
607899300,29cyclictest10171-21cron10:45:001
6085992927,1cyclictest609-21dbus-daemon09:15:003
608599290,28cyclictest1118-21apt-get10:25:113
608599290,28cyclictest0-21swapper/310:10:113
608599290,28cyclictest0-21swapper/307:25:113
6082992927,1cyclictest9594-21cron09:35:002
6082992927,1cyclictest29495-21cron08:00:022
608299290,28cyclictest5522-21munin-run10:35:012
608299290,28cyclictest0-21swapper/208:50:122
6078992928,1cyclictest0-21swapper/110:30:141
607899290,28cyclictest0-21swapper/109:10:091
607899290,1cyclictest0-21swapper/110:40:001
6074992927,2cyclictest0-21swapper/007:30:100
607499290,28cyclictest17811-21apt-get11:00:150
6085992828,0cyclictest2896-21apt-get09:20:103
6085992828,0cyclictest11066-21apt-get11:55:103
6085992828,0cyclictest0-21swapper/307:15:123
608599280,1cyclictest5776-21apt-get10:35:133
608599280,0cyclictest0-21swapper/308:55:133
6082992827,1cyclictest15684-21apt-get07:30:112
6082992826,1cyclictest7296-21munin-run09:30:002
608299280,28cyclictest0-21swapper/211:00:142
6078992828,0cyclictest0-21swapper/111:40:131
6078992827,0cyclictest21602-21apt-get10:00:101
607899280,28cyclictest0-21swapper/109:05:151
6074992828,0cyclictest6364-21apt-get11:45:140
607499280,0cyclictest2010-21apt-get08:10:110
6085992727,0cyclictest0-21swapper/311:15:113
6085992727,0cyclictest0-21swapper/308:35:123
608599270,0cyclictest27436-21apt-get07:55:113
608599270,0cyclictest0-21swapper/308:45:133
6082992727,0cyclictest0-21swapper/211:40:132
6082992727,0cyclictest0-21swapper/211:20:142
6082992727,0cyclictest0-21swapper/210:00:112
6082992725,2cyclictest609-21dbus-daemon11:35:002
6082992725,1cyclictest15453-21idleruntime-cro12:05:012
6082992725,1cyclictest0-21swapper/210:45:002
6078992727,0cyclictest0-21swapper/111:55:101
6078992727,0cyclictest0-21swapper/111:00:151
6078992727,0cyclictest0-21swapper/108:50:111
6078992727,0cyclictest0-21swapper/108:25:131
6074992727,0cyclictest14604-21apt-get09:45:110
6074992727,0cyclictest0-21swapper/011:40:130
6074992727,0cyclictest0-21swapper/010:55:130
6074992727,0cyclictest0-21swapper/010:20:120
6074992727,0cyclictest0-21swapper/009:55:110
6074992727,0cyclictest0-21swapper/009:30:110
607499270,0cyclictest25727-21perf09:00:000
6085992626,0cyclictest29783-21apt-get08:00:133
6085992626,0cyclictest0-21swapper/312:10:133
6085992626,0cyclictest0-21swapper/310:50:013
6085992625,1cyclictest11700-21apt-get08:30:123
6082992626,0cyclictest0-21swapper/209:55:112
6082992624,1cyclictest303-21systemd-journal11:15:012
6078992626,0cyclictest0-21swapper/107:30:111
6078992624,1cyclictest0-21swapper/108:00:011
6074992626,0cyclictest10457-21apt-get10:45:120
6074992626,0cyclictest0-21swapper/009:10:100
6085992525,0cyclictest0-21swapper/312:35:113
6085992525,0cyclictest0-21swapper/312:35:113
6085992525,0cyclictest0-21swapper/307:10:133
6078992525,0cyclictest15463-21apt-get10:55:121
6078992525,0cyclictest0-21swapper/109:00:111
6078992523,1cyclictest9596-21cron09:35:001
6078992523,1cyclictest0-21swapper/109:55:111
6074992525,0cyclictest0-21swapper/007:55:110
6074992524,1cyclictest22195-21munin-run11:10:010
6074992524,1cyclictest10168-21awk10:45:000
6085992424,0cyclictest0-21swapper/312:25:113
6085992424,0cyclictest0-21swapper/311:20:133
6085992423,1cyclictest20135-21apt-get11:05:133
6082992424,0cyclictest0-21swapper/210:25:122
6082992424,0cyclictest0-21swapper/209:45:112
6078992424,0cyclictest0-21swapper/111:20:131
6078992422,1cyclictest0-21swapper/112:05:021
6074992424,0cyclictest0-21swapper/012:05:150
6074992424,0cyclictest0-21swapper/010:40:000
6085992323,0cyclictest0-21swapper/311:35:123
6085992323,0cyclictest0-21swapper/311:10:113
6085992322,1cyclictest23631-21cron10:05:003
6082992323,0cyclictest9317-21apt-get08:25:122
6078992323,0cyclictest0-21swapper/109:30:011
6078992321,1cyclictest24493-21awk11:15:021
6078992321,1cyclictest0-21swapper/111:35:001
6074992323,0cyclictest0-21swapper/010:30:140
6074992323,0cyclictest0-21swapper/009:05:150
6085992222,0cyclictest0-21swapper/311:50:123
6085992222,0cyclictest0-21swapper/308:05:103
6085992222,0cyclictest0-21swapper/307:40:153
6085992221,1cyclictest30631-21apt-get10:20:013
6085992220,1cyclictest29425-21cron12:35:013
6082992222,0cyclictest0-21swapper/212:15:132
6082992220,1cyclictest24820-21cron07:50:012
6078992221,0cyclictest0-21swapper/110:25:121
6074992222,0cyclictest0-21swapper/008:20:150
6085992121,0cyclictest0-21swapper/309:35:123
6085992121,0cyclictest0-21swapper/307:35:133
6082992121,0cyclictest0-21swapper/212:35:112
6082992121,0cyclictest0-21swapper/212:35:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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