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2026-03-27 - 18:58
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Fri Mar 27, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
537638993218,13cyclictest261-21systemd-journal07:30:000
53763899321,22cyclictest707021-21apt-get09:55:110
53763899311,3cyclictest701965-21apt-get09:50:120
53763899311,2cyclictest828888-21apt-get11:55:120
53763899311,21cyclictest681655-21apt-get09:30:130
53763899301,3cyclictest712072-21apt-get10:00:120
53763899301,21cyclictest0-21swapper/009:40:120
53763899291,21cyclictest676577-21apt-get09:25:110
53763899281,1cyclictest869714-21apt-config12:35:010
53763899280,2cyclictest1-21systemd12:40:010
537648992725,1cyclictest0-21swapper/312:00:123
53763899272,21cyclictest752900-21apt-get10:40:100
53764699261,23cyclictest1-21systemd12:30:002
537638992616,9cyclictest0-21swapper/011:50:120
537638992612,5cyclictest864350-21sed12:30:000
53763899261,20cyclictest0-21swapper/009:35:110
53763899260,1cyclictest0-21swapper/012:00:130
537648992522,1cyclictest772872-21sh11:00:013
537641992521,2cyclictest311ktimers/111:40:151
53763899252,3cyclictest768069-21apt-get10:55:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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