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2025-04-04 - 10:39
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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 Fri Apr 04, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502610,0irq/46-4a10000017870-1kworker/u3:118:58:070
195219912859,0cyclictest12-21ksoftirqd/019:34:480
195219912131,0cyclictest25036-21cat22:40:130
195219911940,0cyclictest27572-21runrttasks20:59:200
195219911932,0cyclictest5699-21wget19:54:580
195219911929,0cyclictest26390-21runrttasks19:20:060
195219911839,0cyclictest0-21swapper23:42:440
195219911836,0cyclictest19249-21hostname20:34:530
195219911834,0cyclictest29357-21munin-run19:29:400
195219911834,0cyclictest14023-21ls20:19:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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