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2026-08-19 - 00:55
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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 Tue Aug 18, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2586299261230cyclictest17638-21munin-node08:52:070
2586299260232cyclictest31190-21ssh12:13:560
2586299256230cyclictest13169-21latency_hist08:32:200
2586299256227cyclictest27136-21ls07:12:230
2586299256223cyclictest17028-21munin-node0
2586299254204cyclictest4986-21sendmail-msp07:57:020
258629925352cyclictest20381-21munin-run11:27:010
258629925345cyclictest3467-21latency_hist10:12:500
2586299253229cyclictest22299-21cpu09:12:130
2586299253220cyclictest2935-21runrttasks09:44:390
2586299253189cyclictest832-21irqstats12:23:310
2586299252227cyclictest23011-21runrttasks11:38:100
2586299252224cyclictest18534-21ssh11:18:220
2586299252222cyclictest32229-21cut12:18:460
258629925147cyclictest11312-21ntp_states08:23:250
2586299251223cyclictest28505-21ssh09:38:540
2586299251223cyclictest26895-21latency_hist09:32:300
2586299251217cyclictest29447-21munin-run12:07:170
2586299250190cyclictest26441-21perl11:53:170
258629924954cyclictest30680-21df12:12:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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