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2026-05-23 - 13:26
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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 rack7slot8.osadl.org (updated Fri May 22, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26708211730,12sleep026697-21ntp_states07:05:420
274899916530,117cyclictest31366-21memory11:35:390
274899916426,118cyclictest1408-21nginx07:44:320
274899916423,15cyclictest1408-21nginx11:20:160
274899916325,118cyclictest24124-21wget09:00:130
274899916324,15cyclictest10250irq/56-4a10000008:08:550
274899916148,92cyclictest10150irq/55-4a10000007:10:390
274899916131,21cyclictest28476-21fw_conntrack09:15:420
274899916118,16cyclictest24451-21wget11:10:090
274899916043,97cyclictest10150irq/55-4a10000009:10:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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