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2026-03-09 - 23:20
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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 rackeslot4.osadl.org (updated Mon Mar 09, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3092647995047,2cyclictest3267116-21fwupd09:59:563
3092644993026,2cyclictest261-21systemd-journal08:25:002
3092647992825,1cyclictest0-21swapper/307:15:183
309264799281,22cyclictest3179783-21apt-get08:35:133
309264499287,5cyclictest3354585-21grep11:25:172
309264499282,23cyclictest3092634-21cyclictest07:25:112
309264799271,22cyclictest3195387-21apt-get08:50:133
309264499275,21cyclictest3317276-21cat10:45:252
3092641992721,2cyclictest191rcu_preempt12:40:001
3092639992723,3cyclictest3184628-21systemd-run08:40:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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