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2026-04-07 - 22:37
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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 Tue Apr 07, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1132642994037,2cyclictest1233807-21fwupd08:46:403
1132642994037,2cyclictest1233807-21fwupd08:46:403
113263799271,21cyclictest1142937-21apt-get07:20:121
113264299262,22cyclictest1392526-21apt-get11:25:133
113263799262,21cyclictest1168257-21apt-get07:45:131
1132637992620,3cyclictest1448867-21apt-get12:20:111
113263799261,22cyclictest1153070-21apt-get07:30:131
113263599260,20cyclictest211rcuc/009:40:000
1132642992520,2cyclictest1433344-21apt-get12:05:113
113264299251,20cyclictest0-21swapper/307:20:123
113264299250,5cyclictest1259561-21idleruntime-cro09:15:003
113264299250,1cyclictest191rcu_preempt11:40:003
113264099252,2cyclictest1464409-21apt-get12:35:102
1132640992519,5cyclictest1245056-21cut09:00:152
113263799252,2cyclictest1408067-21apt-get11:40:131
113263799252,20cyclictest1428292-21apt-get12:00:121
113263799250,21cyclictest0-21swapper/108:25:121
113263599252,21cyclictest1357079-21apt-get10:50:110
1132642992414,1cyclictest191rcu_preempt09:15:113
113264299241,21cyclictest1321100-21apt-get10:15:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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