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2026-04-25 - 01:22
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack3slot2.osadl.org (updated Fri Apr 24, 2026 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
236109799292261,19cyclictest2435409-21kworker/u2:112:00:210
236109799283252,20cyclictest29-21kswapd007:40:220
236109799276241,23cyclictest2441140-21ntpq11:56:030
243861122600,2sleep02438612-21cat11:46:210
244687622540,2sleep02446879-21cut12:16:170
238513422540,3chrt2385131-21irqstats08:35:240
236850722500,3chrt2368502-21ntpq07:35:330
243589922470,3chrt2435897-21users11:36:240
242952122420,3chrt2429522-21/usr/sbin/munin11:15:110
236705522340,4chrt2367053-21memory07:30:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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