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2026-08-23 - 07:32
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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 rack7slot3.osadl.org (updated Sun Aug 23, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7554240524sleep7556-21latency_hist19:06:560
759699260233cyclictest2830-21ssh21:07:090
759699251223cyclictest20289-21cpu20:02:040
759699250187cyclictest16031-21cut22:03:080
759699250182cyclictest12815-21munin-run00:12:020
759699249221cyclictest29765-21irqstats23:03:300
759699249184cyclictest25428-21ntpdc22:44:060
759699248219cyclictest15623-21runrttasks22:01:370
759699248218cyclictest5549-21ssh21:18:180
759699248215cyclictest6556-21latency23:43:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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