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2025-08-30 - 01:30
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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 Aug 29, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
161861922570,3chrt1618587-21/usr/sbin/munin07:15:060
168135322550,4chrt1681351-21/usr/sbin/munin10:40:350
165080922550,2sleep01650811-21sort09:10:110
171776222540,4chrt1717761-21/usr/sbin/munin12:30:220
167811322430,2sleep01678114-21/usr/sbin/munin10:30:350
171139322330,3chrt1711390-21ntpq12:10:570
161720099212183,17cyclictest1662528-21kworker/u2:110:05:060
161720099212182,18cyclictest1657217-21kworker/u2:009:40:280
169486422090,3sleep01694865-21cat11:21:160
161720099208178,20cyclictest29-21kswapd008:41:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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