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2026-08-16 - 17:37
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack4slot2.osadl.org (updated Sun Aug 16, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502330,0irq/45-4a10000012770-21kworker/0:207:05:120
22182999258,0cyclictest0-21swapper09:05:350
22182999258,0cyclictest0-21swapper08:15:280
22182999156,0cyclictest0-21swapper09:25:360
22182999074,0cyclictest28227-21/usr/sbin/munin07:24:560
22182999058,0cyclictest0-21swapper10:05:410
22182999057,0cyclictest0-21swapper12:10:280
22182998965,0cyclictest0-21swapper11:10:220
22182998955,0cyclictest0-21swapper07:10:340
22182998954,0cyclictest0-21swapper07:30:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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