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2026-06-14 - 18:28
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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 20 highest latencies:
System rack4slot2.osadl.org (updated Sun Jun 14, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501950,0irq/46-4a1000003982-21/usr/sbin/munin07:05:220
49739912139,0cyclictest0-21swapper08:05:410
49739912036,0cyclictest0-21swapper09:40:390
49739911841,0cyclictest0-21swapper09:50:240
49739910765,0cyclictest0-21swapper11:15:370
49739910555,0cyclictest0-21swapper11:25:410
49739910451,0cyclictest0-21swapper07:40:400
49739910358,0cyclictest0-21swapper07:29:530
4973999446,0cyclictest0-21swapper12:35:240
4973999158,0cyclictest0-21swapper08:25:340
4973999158,0cyclictest0-21swapper07:25:360
4973999156,0cyclictest0-21swapper12:05:180
4973999156,0cyclictest0-21swapper07:50:320
4973999058,0cyclictest0-21swapper11:10:380
4973999058,0cyclictest0-21swapper09:45:280
4973999057,0cyclictest0-21swapper10:10:380
4973999057,0cyclictest0-21swapper07:35:200
4973999056,0cyclictest0-21swapper08:50:330
4973998958,0cyclictest0-21swapper09:55:280
4973998957,0cyclictest0-21swapper11:45:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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