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2026-03-31 - 15:24
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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 Tue Mar 31, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23735221931,56sleep00-21swapper/019:08:380
239629916650,97cyclictest3650irq/20-4900000022:32:130
239629916529,12cyclictest0-21swapper/019:22:390
239629916456,19cyclictest3913-21/usr/sbin/munin22:01:080
239629916432,12cyclictest0-21swapper/020:26:280
239629916225,47cyclictest10250irq/56-4a10000022:43:400
239629916149,19cyclictest9793-21runrttasks22:25:140
23962991607,19cyclictest9173-21apt-get00:32:140
23962991578,18cyclictest21777-21apt-get21:12:100
239629915761,12cyclictest101ktimersoftd/022:45:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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