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2026-09-10 - 19:04
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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 Thu Sep 10, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502350,0irq/45-4a1000008231-21kworker/0:007:05:200
109499912642,0cyclictest0-21swapper12:30:530
109499912638,0cyclictest0-21swapper12:14:510
109499912636,0cyclictest0-21swapper07:41:580
109499912542,0cyclictest0-21swapper11:50:470
109499912540,0cyclictest0-21swapper08:19:170
109499912441,0cyclictest0-21swapper07:55:320
109499912440,0cyclictest21316-21runrttasks07:36:200
109499912440,0cyclictest0-21swapper11:55:320
109499912440,0cyclictest0-21swapper11:40:480
109499912438,0cyclictest0-21swapper09:57:060
109499912354,0cyclictest7350irq/45-4a10000007:15:280
109499912341,0cyclictest0-21swapper10:55:420
109499912341,0cyclictest0-21swapper07:20:390
109499912340,0cyclictest0-21swapper10:14:310
109499912340,0cyclictest0-21swapper08:35:120
109499912339,0cyclictest0-21swapper10:23:240
109499912334,0cyclictest8825-21runrttasks11:45:330
109499912241,0cyclictest0-21swapper08:50:340
109499912240,0cyclictest0-21swapper10:40:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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