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2026-03-11 - 17:51
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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 Wed Mar 11, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
171088399340306,22cyclictest1719555-21/usr/sbin/munin07:40:230
171088399305248,44cyclictest29-21kswapd007:37:460
173555222470,2chrt1735550-21users08:36:230
171088399243210,21cyclictest1730694-21awk08:20:210
176393022310,4chrt1763928-21ls10:20:070
176564522300,3chrt1765643-21memory10:25:290
174619322260,4chrt1746192-21/usr/sbin/munin09:15:310
171088399225183,18cyclictest1705789-21kworker/u2:107:15:050
171088399217186,19cyclictest1788982-21kworker/u2:112:15:040
171088399216186,18cyclictest1719798-21kworker/u2:108:05:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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