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2026-04-10 - 23:16
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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 Fri Apr 10, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502520,0irq/46-4a10000024849-1kworker/u3:007:03:380
26823999256,0cyclictest0-21swapper07:21:090
935529126,0sleep09356-21memory10:56:250
26823999159,0cyclictest0-21swapper07:06:400
26823999157,0cyclictest0-21swapper07:16:200
26823999155,0cyclictest0-21swapper07:51:390
26823999057,0cyclictest0-21swapper10:41:350
26823999057,0cyclictest0-21swapper07:56:180
26823999056,0cyclictest0-21swapper12:01:040
7350890,0irq/45-4a10000026473-21ntpdc10:11:300
7350890,0irq/45-4a10000014487-1kworker/u3:109:36:320
26823998960,0cyclictest0-21swapper08:41:070
26823998956,0cyclictest0-21swapper12:21:390
26823998956,0cyclictest0-21swapper09:26:140
7350880,0irq/45-4a1000005780-1kworker/u3:107:46:020
7350880,0irq/45-4a1000002972-21users09:01:410
26823998857,0cyclictest0-21swapper11:40:520
26823998857,0cyclictest0-21swapper07:26:350
26823998855,0cyclictest0-21swapper11:11:150
26823998855,0cyclictest0-21swapper09:11:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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