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2026-05-09 - 11:18
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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 Fri May 08, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2188627240,13sleep021888-21cut07:05:110
230679914155,36cyclictest1276-21runrttasks09:02:130
230679913677,43cyclictest26226-21seq11:30:410
230679913655,39cyclictest939-21/usr/sbin/munin07:50:040
230679913568,48cyclictest28251-21wget07:30:140
230679913457,38cyclictest14139-21diskstats08:40:230
230679913457,21cyclictest21983-21diskstats09:10:230
230679913254,38cyclictest32397-21fw_conntrack09:50:410
230679913151,62cyclictest3335-21apt-get10:07:090
230679913148,24cyclictest937-21apt-get07:52:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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