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2026-08-22 - 22:01
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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 Sat Aug 22, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22389220529,54sleep00-21swapper/019:08:250
22641991669,137cyclictest22487-21http23:30:040
22641991668,137cyclictest801-21dbus-daemon00:00:010
22641991647,111cyclictest6292-21apt-get22:17:070
226419916439,107cyclictest10250irq/56-4a10000019:56:220
22641991629,96cyclictest32114-21/usr/sbin/munin00:05:530
226419916127,114cyclictest1305-21snmpd22:06:050
226419916125,114cyclictest1408-21nginx21:56:520
22641991596,97cyclictest24104-21apt-get23:37:090
22641991589,112cyclictest23362-21memory23:31:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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