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2026-06-01 - 06:18
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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 50 highest latencies:
System rackeslot5.osadl.org (updated Mon Jun 01, 2026 00:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6645993027,2cyclictest0-21swapper/123:55:131
664399300,29cyclictest23119-21idleruntime-cro23:10:010
6647992927,1cyclictest0-21swapper/219:15:022
6647992926,2cyclictest307-21systemd-journal19:40:002
664799290,28cyclictest4422-21apt-get22:30:132
664799290,28cyclictest0-21swapper/222:00:152
664799290,1cyclictest0-21swapper/219:25:132
6645992926,3cyclictest17083-21apt-get20:40:111
664599290,1cyclictest24140-21awk00:25:011
6643992928,0cyclictest31343-21apt-get21:10:130
664399290,28cyclictest5363-21apt-get20:15:130
664399290,28cyclictest0-21swapper/023:30:110
664999280,0cyclictest0-21swapper/323:20:133
6647992828,0cyclictest0-21swapper/223:10:112
6647992828,0cyclictest0-21swapper/200:00:132
6647992826,1cyclictest18505-21munin-run23:00:012
6645992826,1cyclictest267-21jbd2/nvme0n1p2-22:45:001
664599280,28cyclictest0-21swapper/119:35:111
664599280,0cyclictest0-21swapper/121:25:121
6643992827,0cyclictest0-21swapper/019:45:130
6643992826,1cyclictest9494-21apt-get19:15:140
6643992826,1cyclictest21775-21munin-run20:50:000
664399280,0cyclictest0-21swapper/023:20:120
664399280,0cyclictest0-21swapper/019:35:120
6649992727,0cyclictest24902-21apt-get22:05:133
6649992727,0cyclictest0-21swapper/323:35:123
6649992727,0cyclictest0-21swapper/322:15:113
6649992727,0cyclictest0-21swapper/319:30:123
6649992727,0cyclictest0-21swapper/319:15:143
6649992725,1cyclictest307-21systemd-journal00:35:013
664999270,27cyclictest0-21swapper/300:10:093
6647992727,0cyclictest26747-21apt-get00:30:112
6647992727,0cyclictest0-21swapper/222:40:112
6647992727,0cyclictest0-21swapper/220:10:142
6647992726,1cyclictest20238-21apt-get21:55:122
664599273,13cyclictest0-21swapper/120:03:561
6645992727,0cyclictest0-21swapper/122:50:131
6645992725,1cyclictest31055-21cron21:10:001
664599270,0cyclictest0-21swapper/122:30:021
664399270,0cyclictest16421-21apt-get22:55:130
664399270,0cyclictest0-21swapper/023:10:110
6649992626,0cyclictest19757-21apt-get00:15:153
6649992626,0cyclictest0-21swapper/321:00:123
6647992626,0cyclictest10927-21apt-get21:35:122
6647992626,0cyclictest0-21swapper/223:45:122
6647992626,0cyclictest0-21swapper/221:30:112
6647992626,0cyclictest0-21swapper/221:10:122
6647992626,0cyclictest0-21swapper/200:15:142
6647992625,1cyclictest11776-21apt-get22:45:122
6645992626,0cyclictest0-21swapper/123:30:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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