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2025-11-21 - 05:29
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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 00:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
356599310,29cyclictest303-21systemd-journal23:05:012
356599310,29cyclictest10939-40invoke-rc.d00:00:012
3559993128,2cyclictest1-21systemd00:00:010
356999300,29cyclictest17472-21cron19:40:013
356199300,29cyclictest19823-21idleruntime-cro19:45:011
356199300,1cyclictest303-21systemd-journal22:50:011
356999290,28cyclictest18492-21apt-get00:15:153
356599290,28cyclictest6117-21apt-get19:15:132
356599290,28cyclictest0-21swapper/220:05:012
3561992928,1cyclictest31172-21apt-get22:25:141
356199290,1cyclictest10502-21idleruntime-cro19:25:021
355999290,28cyclictest28850-21apt-get22:20:140
355999290,28cyclictest0-21swapper/000:25:010
355999290,1cyclictest0-21swapper/020:50:000
3569992827,1cyclictest11054-21cron20:35:003
356999280,27cyclictest0-21swapper/320:15:153
356999280,0cyclictest0-21swapper/320:45:143
3565992828,0cyclictest0-21swapper/223:15:122
3565992826,1cyclictest0-21swapper/219:35:012
356599280,27cyclictest19531-21apt-get22:00:122
356599280,0cyclictest29453-21apt-get23:30:122
356599280,0cyclictest0-21swapper/220:35:122
356599280,0cyclictest0-21swapper/219:25:132
3561992828,0cyclictest0-21swapper/100:35:141
3561992828,0cyclictest0-21swapper/100:00:131
356199280,28cyclictest1477-21perf23:40:011
356199280,28cyclictest0-21swapper/100:10:141
356199280,0cyclictest0-21swapper/121:25:121
356199280,0cyclictest0-21swapper/120:45:141
356199280,0cyclictest0-21swapper/119:50:121
3559992826,1cyclictest1759-21apt-get23:40:130
355999280,28cyclictest0-21swapper/019:35:140
355999280,27cyclictest0-21swapper/023:25:120
3569992727,0cyclictest25640-21apt-get21:05:123
3569992727,0cyclictest0-21swapper/323:45:123
3569992727,0cyclictest0-21swapper/323:30:123
3569992727,0cyclictest0-21swapper/322:50:133
3569992727,0cyclictest0-21swapper/322:05:123
3569992727,0cyclictest0-21swapper/320:20:143
3569992727,0cyclictest0-21swapper/319:55:133
3565992727,0cyclictest25788-21apt-get00:30:132
3565992727,0cyclictest0-21swapper/223:20:152
3565992727,0cyclictest0-21swapper/222:20:152
3565992726,0cyclictest0-21swapper/223:35:162
356599270,27cyclictest0-21swapper/221:45:132
356599270,0cyclictest0-21swapper/220:30:172
356599270,0cyclictest0-21swapper/220:10:162
356599270,0cyclictest0-21swapper/200:20:012
3561992727,0cyclictest14279-21apt-get21:50:011
3561992727,0cyclictest0-21swapper/121:20:141
3561992727,0cyclictest0-21swapper/120:50:131
3559992727,0cyclictest0-21swapper/020:15:150
3569992626,0cyclictest18056-21apt-get20:50:013
3569992625,1cyclictest12230-21apt-get21:45:133
3569992624,1cyclictest615-21rs:main3
3569992624,1cyclictest0-21swapper/300:00:013
3565992626,0cyclictest0-21swapper/222:35:132
3561992626,0cyclictest0-21swapper/123:50:131
3561992626,0cyclictest0-21swapper/123:25:121
3559992626,0cyclictest0-21swapper/000:05:120
3559992624,1cyclictest27664-21cron21:10:000
3569992525,0cyclictest0-21swapper/321:30:153
3569992523,1cyclictest611-21avahi-daemon20:10:013
3565992525,0cyclictest0-21swapper/222:50:132
3565992522,2cyclictest615-21rs:main2
3561992525,0cyclictest0-21swapper/123:05:151
3561992525,0cyclictest0-21swapper/122:40:131
3561992525,0cyclictest0-21swapper/121:35:131
3559992525,0cyclictest8137-21apt-get22:45:130
3559992525,0cyclictest31518-21perf23:35:010
3559992525,0cyclictest0-21swapper/021:50:130
3559992525,0cyclictest0-21swapper/021:45:130
3559992523,1cyclictest24157-21sendmail-msp23:20:000
3569992424,0cyclictest0-21swapper/323:10:123
3569992424,0cyclictest0-21swapper/319:25:133
3569992424,0cyclictest0-21swapper/300:10:143
3569992423,1cyclictest32057-21apt-get20:10:163
3569992423,1cyclictest29142-21cron20:05:013
3565992424,0cyclictest15441-21apt-get19:35:142
3561992422,1cyclictest26786-21cron20:00:001
3559992424,0cyclictest26500-21apt-get22:15:130
3559992424,0cyclictest11180-21apt-get00:00:130
3569992323,0cyclictest0-21swapper/322:00:123
3569992323,0cyclictest0-21swapper/320:35:123
3569992322,0cyclictest22104-21apt-get23:15:123
3565992323,0cyclictest16021-21apt-get20:45:142
3565992323,0cyclictest0-21swapper/219:45:122
3561992323,0cyclictest0-21swapper/121:00:121
3559992323,0cyclictest0-21swapper/021:10:120
3569992222,0cyclictest7562-21apt-get21:35:133
3569992222,0cyclictest0-21swapper/323:20:153
3569992222,0cyclictest0-21swapper/322:10:183
3569992222,0cyclictest0-21swapper/319:15:133
3569992220,1cyclictest15144-21cron19:35:013
3565992222,0cyclictest17188-21apt-get21:55:132
3565992222,0cyclictest0-21swapper/223:05:152
3559992222,0cyclictest0-21swapper/022:55:140
3559992221,1cyclictest21818-21sh23:15:000
3559992219,2cyclictest6416-21idleruntime-cro20:25:000
3569992120,0cyclictest0-21swapper/323:35:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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