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2026-07-08 - 23:24
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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 rack4slot2.osadl.org (updated Wed Jul 08, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745010470,0irq/46-4a1000002967-1kworker/u3:107:06:430
38869911187,0cyclictest16985-21irqstats12:29:430
38869911178,0cyclictest7005-21ps12:00:070
38869910984,0cyclictest17153-21memory07:44:520
38869910978,0cyclictest13345-21sed07:34:260
38869910887,0cyclictest13680-21meminfo12:19:590
38869910873,0cyclictest25728-21ntpq11:20:030
38869910872,0cyclictest19873-21latency_hist11:04:120
38869910870,0cyclictest11864-21irqstats12:14:440
38869910786,0cyclictest31775-21munin-run08:29:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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