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2025-11-28 - 08:08
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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 28, 2025 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1329699360,35cyclictest31949-21munin-run23:15:010
1329699330,32cyclictest0-21swapper/021:35:140
13298993027,3cyclictest0-21swapper/219:40:112
1329699300,27cyclictest0-21swapper/022:35:160
13302992928,0cyclictest0-21swapper/320:55:123
1330299290,28cyclictest14738-21apt-get20:20:143
13298992927,1cyclictest774-21perf21:00:002
1329899290,28cyclictest0-21swapper/221:45:012
1329899290,0cyclictest0-21swapper/220:30:132
1329799290,28cyclictest25503-21apt-get19:35:131
1329799290,1cyclictest0-21swapper/119:25:011
1329699290,28cyclictest18531-21apt-get19:20:150
1330299280,28cyclictest0-21swapper/323:45:133
1330299280,28cyclictest0-21swapper/323:00:123
1330299280,27cyclictest22340-21apt-get21:45:123
1330299280,27cyclictest0-21swapper/321:10:123
1330299280,0cyclictest20851-21apt-get19:25:133
1330299280,0cyclictest16480-21apt-get23:50:153
1330299280,0cyclictest0-21swapper/323:10:133
13298992827,1cyclictest14156-21apt-get23:45:142
1329899280,27cyclictest0-21swapper/223:30:122
13297992827,1cyclictest31672-21idleruntime-cro23:15:001
13297992826,1cyclictest303-21systemd-journal00:25:011
13297992826,1cyclictest15588-21awk19:15:011
1329799280,28cyclictest0-21swapper/123:20:131
1329799280,0cyclictest0-21swapper/122:25:131
1329799280,0cyclictest0-21swapper/121:50:151
1329699280,28cyclictest18803-21apt-get23:55:110
1329699280,28cyclictest0-21swapper/021:00:170
1329699280,27cyclictest0-21swapper/000:25:150
13302992727,0cyclictest0-21swapper/322:55:133
13302992727,0cyclictest0-21swapper/319:15:133
1330299270,0cyclictest10668-21perf22:30:003
13298992727,0cyclictest5461-21apt-get00:35:132
13298992727,0cyclictest0-21swapper/221:35:142
13298992727,0cyclictest0-21swapper/219:40:012
13298992726,0cyclictest0-21swapper/220:00:122
13297992727,0cyclictest10942-21apt-get22:30:131
13297992727,0cyclictest0-21swapper/123:50:151
13297992727,0cyclictest0-21swapper/100:15:151
13296992727,0cyclictest0-21swapper/023:20:130
13296992727,0cyclictest0-21swapper/022:15:120
13296992727,0cyclictest0-21swapper/020:50:140
13296992727,0cyclictest0-21swapper/019:40:120
13296992726,1cyclictest17059-21apt-get20:25:130
1329699270,0cyclictest0-21swapper/020:40:120
13302992626,0cyclictest0-21swapper/300:00:023
13302992624,1cyclictest0-21swapper/323:35:003
13298992626,0cyclictest0-21swapper/222:00:112
13298992626,0cyclictest0-21swapper/200:25:142
13298992625,0cyclictest0-21swapper/221:25:142
13297992626,0cyclictest0-21swapper/121:15:121
13297992626,0cyclictest0-21swapper/100:30:171
13297992625,1cyclictest17685-21perf22:45:011
13296992626,0cyclictest7430-21apt-get20:05:130
13296992626,0cyclictest0-21swapper/021:15:120
13296992626,0cyclictest0-21swapper/020:00:020
13296992626,0cyclictest0-21swapper/000:30:170
13302992525,0cyclictest4523-21apt-get23:25:123
13302992525,0cyclictest0-21swapper/322:50:123
13297992525,0cyclictest0-21swapper/123:45:141
13297992525,0cyclictest0-21swapper/119:30:111
13297992524,1cyclictest11802-21perf20:15:011
13296992525,0cyclictest15620-21perf19:15:010
13296992525,0cyclictest0-21swapper/023:30:120
13296992525,0cyclictest0-21swapper/022:30:130
13296992525,0cyclictest0-21swapper/020:10:130
13296992524,1cyclictest1611-21apt-get22:10:130
13302992424,0cyclictest0-21swapper/322:35:143
13302992424,0cyclictest0-21swapper/321:05:143
13302992424,0cyclictest0-21swapper/319:45:113
13302992424,0cyclictest0-21swapper/319:35:133
13298992424,0cyclictest0-21swapper/223:35:022
13298992424,0cyclictest0-21swapper/222:15:112
13298992424,0cyclictest0-21swapper/221:55:122
13298992424,0cyclictest0-21swapper/220:25:122
13298992423,1cyclictest13295-21cyclictest23:55:122
13297992424,0cyclictest21760-21apt-get20:35:121
13297992424,0cyclictest0-21swapper/123:35:021
13297992424,0cyclictest0-21swapper/122:00:101
13297992424,0cyclictest0-21swapper/119:55:131
13296992424,0cyclictest19385-21apt-get20:30:130
13296992423,1cyclictest22083-21munin-run21:45:010
13302992323,0cyclictest0-21swapper/322:10:133
13302992323,0cyclictest0-21swapper/320:05:143
13298992323,0cyclictest0-21swapper/220:15:132
13298992323,0cyclictest0-21swapper/220:15:132
13298992322,0cyclictest0-21swapper/220:40:122
1329799238,14cyclictest8952-21munin-node19:49:571
13297992323,0cyclictest17672-21apt-get21:35:141
13297992323,0cyclictest0-21swapper/122:15:121
13297992323,0cyclictest0-21swapper/122:10:121
13297992323,0cyclictest0-21swapper/121:00:171
13297992323,0cyclictest0-21swapper/100:25:151
13296992323,0cyclictest0-21swapper/019:50:150
1330299225,4cyclictest0-21swapper/322:22:273
13302992222,0cyclictest0-21swapper/320:40:113
13297992222,0cyclictest0-21swapper/121:15:011
13297992222,0cyclictest0-21swapper/120:50:141
13297992222,0cyclictest0-21swapper/120:40:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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