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2025-11-22 - 06:09
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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 Sat Nov 22, 2025 00:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2045199310,30cyclictest24973-21cron23:55:001
2045699300,29cyclictest303-21systemd-journal23:05:013
2045199300,29cyclictest11311-21cron20:00:001
2045699290,28cyclictest27039-21apt-get22:50:143
20453992927,2cyclictest17977-21cron23:40:022
2045399290,28cyclictest16317-21perf20:10:022
2045199290,28cyclictest27338-40mandb00:00:001
2045199290,28cyclictest0-21swapper/123:35:131
2045199290,28cyclictest0-21swapper/122:40:011
2045199290,28cyclictest0-21swapper/121:40:121
2045199290,1cyclictest4285-21cron19:45:001
2045199290,1cyclictest0-21swapper/119:40:011
2045199290,1cyclictest0-21swapper/119:20:011
2045099290,28cyclictest16318-21munin-run20:10:010
2045699280,28cyclictest0-21swapper/323:30:123
2045699280,28cyclictest0-21swapper/319:50:143
2045699280,1cyclictest0-21swapper/322:30:003
2045699280,0cyclictest17160-21apt-get21:20:133
2045399280,28cyclictest0-21swapper/223:40:162
2045399280,28cyclictest0-21swapper/219:35:122
2045399280,27cyclictest772-21apt-get20:45:122
2045399280,27cyclictest31132-21apt-get21:50:132
2045399280,0cyclictest13613-21apt-get23:30:132
2045399280,0cyclictest0-21swapper/223:50:122
2045399280,0cyclictest0-21swapper/220:30:112
20451992828,0cyclictest0-21swapper/122:55:121
20451992828,0cyclictest0-21swapper/121:20:121
20451992827,1cyclictest9295-21apt-get00:30:141
2045199280,27cyclictest0-21swapper/123:00:141
20450992828,0cyclictest18292-21apt-get23:40:150
2045099280,28cyclictest0-21swapper/023:30:120
2045099280,28cyclictest0-21swapper/020:30:110
2045099280,28cyclictest0-21swapper/019:30:140
2045099280,1cyclictest15942-21apt-get23:35:120
20456992727,0cyclictest0-21swapper/323:50:123
20456992727,0cyclictest0-21swapper/319:30:143
20456992725,1cyclictest626-21gdbus19:40:023
2045699270,27cyclictest0-21swapper/321:50:123
20453992727,0cyclictest0-21swapper/221:45:102
2045399270,0cyclictest7782-21apt-get21:00:132
20451992727,0cyclictest0-21swapper/121:05:001
20451992727,0cyclictest0-21swapper/100:25:121
20450992727,0cyclictest32324-21apt-get19:35:110
20450992727,0cyclictest0-21swapper/019:20:150
2045099270,27cyclictest0-21swapper/021:00:120
2045099270,27cyclictest0-21swapper/020:45:130
20456992626,0cyclictest0-21swapper/322:30:123
20456992626,0cyclictest0-21swapper/322:00:133
20453992626,0cyclictest0-21swapper/223:00:152
20453992626,0cyclictest0-21swapper/219:50:002
20453992626,0cyclictest0-21swapper/219:25:152
20453992625,1cyclictest0-21swapper/222:25:122
20450992626,0cyclictest28807-21apt-get21:45:110
20456992525,0cyclictest11622-21apt-get00:35:143
20456992525,0cyclictest0-21swapper/321:15:143
20456992525,0cyclictest0-21swapper/319:55:113
20453992525,0cyclictest0-21swapper/222:00:142
20453992525,0cyclictest0-21swapper/200:30:142
20451992525,0cyclictest1608-21apt-get23:05:111
20451992525,0cyclictest0-21swapper/120:45:131
20451992525,0cyclictest0-21swapper/120:40:101
20451992524,0cyclictest0-21swapper/121:05:111
20450992525,0cyclictest0-21swapper/023:00:140
20450992525,0cyclictest0-21swapper/019:50:010
20450992525,0cyclictest0-21swapper/019:25:140
20450992524,1cyclictest3390-21apt-get22:00:130
2045699246,0cyclictest0-21swapper/300:00:093
20456992424,0cyclictest0-21swapper/320:45:123
20456992423,1cyclictest10104-21apt-get21:05:123
20453992424,0cyclictest0-21swapper/221:05:122
20453992424,0cyclictest0-21swapper/219:55:122
20453992422,2cyclictest0-21swapper/223:05:112
20451992424,0cyclictest0-21swapper/122:30:131
20451992423,1cyclictest25904-21apt-get20:30:111
20451992423,0cyclictest0-21swapper/123:20:121
20451992422,1cyclictest0-21swapper/120:55:011
20450992424,0cyclictest0-21swapper/022:25:130
20450992424,0cyclictest0-21swapper/000:30:130
20456992323,0cyclictest21818-21apt-get21:30:133
20456992323,0cyclictest0-21swapper/321:00:113
20456992323,0cyclictest0-21swapper/320:25:013
20456992322,0cyclictest27338-40mandb00:00:013
20453992323,0cyclictest0-21swapper/222:30:112
20453992322,1cyclictest24119-21cron22:45:012
20451992323,0cyclictest0-21swapper/123:40:151
20451992323,0cyclictest0-21swapper/121:15:141
20450992323,0cyclictest0-21swapper/021:05:110
20450992322,1cyclictest9226-21apt-get19:55:130
20456992222,0cyclictest0-21swapper/319:20:143
20451992222,0cyclictest0-21swapper/120:20:151
20451992221,0cyclictest0-21swapper/123:10:161
20450992222,0cyclictest17410-21apt-get22:30:120
20450992221,1cyclictest24117-21cron22:45:000
20450992220,2cyclictest0-21swapper/023:05:110
2045699214,0cyclictest0-21swapper/320:38:363
20456992121,0cyclictest10355-21apt-get22:15:123
20456992121,0cyclictest0-21swapper/323:40:153
20453992121,0cyclictest0-21swapper/223:15:112
20453992119,1cyclictest27463-21munin-run00:00:022
20456992020,0cyclictest0-21swapper/300:20:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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