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2026-04-25 - 10:34
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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: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 10 highest latencies:
System rack8slot1.osadl.org (updated Sat Apr 25, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2723799431324,0cyclictest0-21swapper21:27:270
272379934153313,0cyclictest0-21swapper00:02:260
2723799314930,0cyclictest20896-1kworker/0:0H23:32:330
27237993078310,0cyclictest20896-1kworker/0:0H00:02:310
27237992870158,0cyclictest0-21swapper23:47:300
27237992811654,0cyclictest9-21ksoftirqd/020:02:320
27237992728773,0cyclictest2675-21munin-node21:07:320
27237992713330,0cyclictest20896-1kworker/0:0H21:02:320
27237992412282,0cyclictest20896-1kworker/0:0H22:17:320
2723799239372,0cyclictest20896-1kworker/0:0H21:42:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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