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2026-04-06 - 00:53
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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 20 highest latencies:
System rack7slot3.osadl.org (updated Sun Apr 05, 2026 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2019599241216cyclictest1743-21ssh10:23:580
2019599240210cyclictest26548-21munin-node0
2019599237208cyclictest8558-21ssh10:50:270
2019599237172cyclictest16686-21irqstats09:13:320
2019599236211cyclictest8642-21latency08:37:550
2019599236170cyclictest28260-21ssh09:59:300
2019599234168cyclictest32068-21sh12:25:090
2019599233208cyclictest20135-21latency_hist07:07:020
2019599233206cyclictest26466-21chrt09:52:580
2019599233170cyclictest2953-21runrttasks11:52:380
2019599233170cyclictest24147-21chrt11:53:430
2019599233167cyclictest3658-21ssh10:31:110
2019599232170cyclictest28324-21ssh12:09:580
2019599230204cyclictest13282-21ssh11:09:210
2019599229205cyclictest9223-21ssh10:53:150
2019599229200cyclictest7550-21munin-run10:46:580
2019599228202cyclictest20896-21ssh11:41:120
2019599228197cyclictest17673-21munin-node0
25608222719sleep25611-21ntp_offset09:49:100
2019599227202cyclictest21506-21munin-node0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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