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2025-11-26 - 18:40
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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 Wed Nov 26, 2025 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1248599340,29cyclictest1-21systemd07:25:012
12485993126,4cyclictest609-21dbus-daemon08:55:002
12490993028,1cyclictest31480-21awk11:15:013
1249099300,29cyclictest303-21systemd-journal07:30:013
12477993028,1cyclictest26788-21cron07:40:000
1247799301,1cyclictest63250irq/126-eno108:45:120
1249099290,28cyclictest6692-21apt-get08:05:133
1249099290,28cyclictest0-21swapper/311:55:133
1249099290,28cyclictest0-21swapper/308:30:123
1249099290,28cyclictest0-21swapper/307:45:133
1249099290,1cyclictest8454-21perf11:35:003
12485992927,1cyclictest32319-21cron09:00:002
12485992927,1cyclictest22444-21awk12:05:012
1248599290,28cyclictest3190-21munin-run10:15:002
1248099290,28cyclictest3766-21munin-run11:25:021
1248099290,28cyclictest20973-21apt-get08:35:101
1248099290,1cyclictest609-21dbus-daemon09:25:011
1248099290,1cyclictest27376-21apt-get12:15:141
12477992929,0cyclictest0-21swapper/010:04:020
12490992828,0cyclictest24652-21apt-get07:35:123
1249099280,0cyclictest17383-21apt-get07:20:143
12485992826,1cyclictest31788-21munin-run12:25:002
12485992826,1cyclictest1682-21cron07:55:012
12485992825,3cyclictest0-21swapper/207:35:122
1248599280,27cyclictest0-21swapper/210:40:012
1248599280,27cyclictest0-21swapper/209:15:122
1248599280,1cyclictest20129-21munin-run12:00:012
1248599280,1cyclictest0-21swapper/210:20:002
1248599280,0cyclictest0-21swapper/209:40:132
12480992828,0cyclictest0-21swapper/111:40:131
12480992828,0cyclictest0-21swapper/110:20:131
12480992826,1cyclictest15438-21cron11:50:001
1248099280,28cyclictest0-21swapper/108:10:131
1248099280,0cyclictest20405-21apt-get12:00:121
1247799280,28cyclictest0-21swapper/011:30:110
1247799280,27cyclictest0-21swapper/010:45:120
1247799280,0cyclictest25053-21apt-get12:10:130
1247799280,0cyclictest14605-21apt-get09:30:110
12490992727,0cyclictest0-21swapper/311:40:133
12490992727,0cyclictest0-21swapper/311:35:133
12490992727,0cyclictest0-21swapper/310:35:133
12490992727,0cyclictest0-21swapper/310:20:123
12485992727,0cyclictest1968-21apt-get07:55:132
12485992727,0cyclictest0-21swapper/212:35:122
12485992727,0cyclictest0-21swapper/208:40:152
12485992726,1cyclictest27670-21cron08:50:002
12480992727,0cyclictest0-21swapper/112:25:121
12480992727,0cyclictest0-21swapper/109:55:121
12480992727,0cyclictest0-21swapper/109:45:141
12480992727,0cyclictest0-21swapper/109:25:151
12480992726,1cyclictest23322-21apt-get08:40:141
1248099270,0cyclictest4279-21apt-get12:35:121
1248099270,0cyclictest0-21swapper/107:55:121
12477992727,0cyclictest0-21swapper/010:35:120
12477992727,0cyclictest0-21swapper/008:05:140
12477992727,0cyclictest0-21swapper/007:50:120
12477992725,1cyclictest22158-21cron10:55:000
12490992626,0cyclictest0-21swapper/310:00:113
12490992625,1cyclictest20127-21apt-get10:50:123
12485992626,0cyclictest5848-21apt-get10:20:132
12485992626,0cyclictest0-21swapper/211:20:122
12485992626,0cyclictest0-21swapper/210:05:112
12485992624,1cyclictest31472-21cron07:50:022
12480992626,0cyclictest0-21swapper/112:10:121
12477992626,0cyclictest0-21swapper/011:50:130
12477992626,0cyclictest0-21swapper/007:30:120
12490992525,0cyclictest0-21swapper/310:10:123
12490992525,0cyclictest0-21swapper/309:08:033
12490992525,0cyclictest0-21swapper/308:25:123
12485992525,0cyclictest9644-21apt-get09:20:112
12485992525,0cyclictest0-21swapper/212:30:122
12485992525,0cyclictest0-21swapper/211:35:132
12485992525,0cyclictest0-21swapper/210:50:122
12480992525,0cyclictest0-21swapper/109:50:121
12480992525,0cyclictest0-21swapper/107:20:141
12480992523,1cyclictest0-21swapper/109:45:011
12477992525,0cyclictest21902-21apt-get09:45:140
12477992525,0cyclictest0-21swapper/011:25:140
12477992525,0cyclictest0-21swapper/010:40:140
12477992525,0cyclictest0-21swapper/010:30:140
12490992424,0cyclictest0-21swapper/312:05:133
12490992424,0cyclictest0-21swapper/311:05:113
12490992424,0cyclictest0-21swapper/308:10:123
12490992423,0cyclictest0-21swapper/307:15:143
12485992424,0cyclictest0-21swapper/212:10:122
12485992424,0cyclictest0-21swapper/209:45:142
12485992424,0cyclictest0-21swapper/208:35:112
12485992422,1cyclictest14033-21apt-get09:30:022
12480992424,0cyclictest0-21swapper/110:10:141
12480992424,0cyclictest0-21swapper/109:15:131
12480992424,0cyclictest0-21swapper/108:05:131
12480992424,0cyclictest0-21swapper/107:40:131
12480992424,0cyclictest0-21swapper/107:35:131
12477992424,0cyclictest0-21swapper/010:25:120
12477992424,0cyclictest0-21swapper/010:15:120
12477992424,0cyclictest0-21swapper/008:30:120
12477992422,1cyclictest14052-21http09:30:000
12490992323,0cyclictest0-21swapper/311:20:123
12490992323,0cyclictest0-21swapper/309:15:133
12490992323,0cyclictest0-21swapper/308:45:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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