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2026-04-21 - 18:59
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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 Tue Apr 21, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745011260,0irq/46-4a10000029878-1kworker/u3:207:02:130
308139912853,0cyclictest0-21swapper07:31:020
308139911058,0cyclictest0-21swapper07:50:360
30813999359,0cyclictest0-21swapper07:46:050
30813999358,0cyclictest0-21swapper10:51:140
30813999257,0cyclictest0-21swapper07:21:170
30813999169,0cyclictest0-21swapper09:46:020
30813999158,0cyclictest0-21swapper08:56:210
30813999157,0cyclictest0-21swapper10:26:090
30813999157,0cyclictest0-21swapper09:26:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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