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2025-12-17 - 17:33
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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 Dec 17, 2025 12:44:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
243495922680,2sleep02434961-21cat10:21:180
240824322610,3chrt2408213-21ntp_states08:46:050
245086322510,3sleep02450865-21wc11:20:070
239294122430,3chrt2392931-21ntpq07:51:110
241104122290,2chrt2411038-21ntpq08:56:110
242173922270,3chrt2421740-21grep09:35:120
243267322210,2sleep02432675-21cron10:15:010
238107799213184,19cyclictest2458263-21kworker/u2:111:46:170
238468622100,2sleep02384687-21/usr/sbin/munin07:21:170
243626122070,2sleep02436263-21sendmail_mailtr10:26:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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