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2026-04-24 - 15:57
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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 20 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
236109799215184,19cyclictest2362496-21kworker/u2:307:20:030
236109799209177,20cyclictest2388116-21kworker/u2:209:40:050
236109799205175,18cyclictest2429394-21kworker/u2:211:25:050
236109799204176,18cyclictest2388116-21kworker/u2:209:00:050
238769021980,2sleep02387692-21wc08:45:070
236109799198170,18cyclictest2388116-21kworker/u2:209:31:180
236109799198169,18cyclictest2443831-21kworker/u2:012:10:030
236109799197165,19cyclictest2388116-21kworker/u2:209:25:030
239457121960,2sleep02394572-21munin-plugin-st09:10:000
236109799196167,18cyclictest2388116-21kworker/u2:211:00:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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