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2026-03-22 - 09:04
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack7slot8.osadl.org (updated Sun Mar 22, 2026 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16545220418,48sleep00-21swapper/019:09:440
16644991678,20cyclictest19236-21/usr/sbin/munin19:20:500
166449916725,108cyclictest1305-21snmpd23:50:500
16644991649,25cyclictest2458-21df00:35:200
166449916425,118cyclictest802-21in:imuxsock19:20:000
166449916329,113cyclictest31028-21apt-config20:05:130
166449916227,23cyclictest1408-21nginx21:27:310
166449916133,112cyclictest2598-21runrttasks22:28:340
166449916049,92cyclictest10150irq/55-4a10000020:05:040
166449916026,19cyclictest1305-21snmpd20:22:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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