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2026-03-18 - 14:21
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack7slot3.osadl.org (updated Wed Mar 18, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5419273115sleep5420-21latency_hist19:07:310
543599277138cyclictest12812-21latency_hist21:58:140
543599275143cyclictest2895-21netwatch23:28:290
543599271143cyclictest28787-21timerandwakeup20:49:000
543599269129cyclictest11239-21ssh00:02:440
543599266245cyclictest15882sleep21:13:260
543599262132cyclictest5815-21ntp_offset21:29:420
543599260119cyclictest7661-1kworker/0:1H22:54:030
543599259132cyclictest29244-21ssh23:04:010
543599259127cyclictest31435-21latency_hist21:02:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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