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2026-06-29 - 11:35
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 20 highest latencies:
System rackeslot4.osadl.org (updated Mon Jun 29, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2788310993026,3cyclictest3074154-21turbostat23:50:003
2788303992724,2cyclictest516-21rs:main0
278831099262,22cyclictest2809585-21apt-get19:30:133
278831099262,21cyclictest2814640-21apt-get19:35:133
278831099261,21cyclictest3109825-21apt-get00:25:123
2788310992519,3cyclictest2901516-21apt-get21:00:133
2788310992517,6cyclictest3064781-21irqcore23:40:163
278831099251,21cyclictest3079451-21apt-get23:55:113
278830899251,21cyclictest0-21swapper/221:20:142
2788310992419,3cyclictest2926812-21apt-get21:25:123
278831099241,22cyclictest3023793-21irqcore23:00:183
278831099241,20cyclictest3104771-21apt-get00:20:103
278831099241,20cyclictest2936912-21apt-get21:35:113
278831099240,4cyclictest2972797-21grep22:10:153
278831099240,21cyclictest0-21swapper/321:45:133
278830899242,2cyclictest2855536-21apt-get20:15:132
2788308992420,2cyclictest2860592-21apt-get20:20:122
2788308992418,2cyclictest2976207-21ntpq22:10:202
278830899241,21cyclictest3777322-21systemd-journal20:35:012
278830899241,21cyclictest1-21systemd23:05:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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