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2026-06-20 - 09:14
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot2.osadl.org (updated Sat Jun 20, 2026 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21183998642,40cyclictest0-21swapper/122:35:231
21182998371,7cyclictest70271-21apt-get21:30:180
21183998043,35cyclictest23255-21ntpq19:15:341
21183998043,35cyclictest23255-21ntpq19:15:331
21183997365,6cyclictest226379-21kworker/u4:12+events_unbound00:28:391
2118399724,30cyclictest106303-21ssh22:10:341
2118399717,22cyclictest167843-21ntpq23:20:261
21183997137,30cyclictest35559-21wget20:05:151
21182997127,17cyclictest22601-21apt-get19:15:110
21182997127,17cyclictest22601-21apt-get19:15:100
21183997037,5cyclictest71407-21switchtime21:30:481
21183996863,3cyclictest23677-21kworker/u4:14+events_unbound19:55:431
21183996851,11cyclictest228914-21fschecks_count00:30:191
21183996835,5cyclictest41718-21grep20:30:021
21183996832,6cyclictest0-21swapper/121:25:091
21182996723,38cyclictest25650irq/23-42890000.ethernet19:25:090
21182996525,16cyclictest56721-21apt-get21:15:110
21182996523,15cyclictest26538-21apt-get19:30:120
21182996422,11cyclictest32914-21apt-get19:55:110
21183996352,8cyclictest155741-21systemd23:06:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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