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2026-05-12 - 21:45
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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 Tue May 12, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
154322844158,355sleep015192-21kworker/0:019:09:570
15502991667,137cyclictest21992-21memory23:50:340
155029916546,109cyclictest27153-21munin-node22:05:120
155029916227,116cyclictest1408-21nginx21:13:080
155029916223,17cyclictest19217-21latency_hist19:25:030
155029916137,108cyclictest10250irq/56-4a10000023:20:160
155029916022,17cyclictest16882-21wget19:15:130
155029915923,15cyclictest10250irq/56-4a10000021:48:440
155029915815,17cyclictest1408-21nginx19:58:180
15502991577,18cyclictest8709-21apt-get23:02:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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