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2025-12-10 - 10:08
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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 rack9slot4.osadl.org (updated Wed Dec 10, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
116689913043cyclictest304-21snmpd20:11:440
11442112080sleep0-21swapper/117:59:251
116689911937cyclictest19432-21latency_hist18:24:340
116689911740cyclictest4121-21latency_hist19:19:350
116689911440cyclictest22990-21latency_hist21:04:390
116689911349cyclictest10755-21diskstats19:39:560
116689911342cyclictest6567-21ntpq21:30:190
116689911340cyclictest11616-21latency_hist17:59:330
116689911338cyclictest31884-21latency_hist21:19:390
116689911236cyclictest30418-21latency_hist18:59:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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