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2026-03-28 - 04:36
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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 10 highest latencies:
System rackeslot4.osadl.org (updated Sat Mar 28, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8340993210,20cyclictest0-21swapper/119:30:211
8346993127,2cyclictest261-21systemd-journal22:30:003
8346992918,2cyclictest191rcu_preempt23:10:173
8342992926,2cyclictest0-21swapper/223:00:162
8342992821,5cyclictest197470-21seq22:15:102
834699261,23cyclictest289385-21cut23:45:163
834699252,3cyclictest340049-21apt-get00:35:123
834699251,3cyclictest0-21swapper/300:05:133
834699251,2cyclictest222857-21apt-get22:40:093
834699251,21cyclictest283824-21apt-get23:40:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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