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2026-04-13 - 20:41
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rackbslot6.osadl.org (updated Mon Apr 13, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911090,4ptp4l401ktimersoftd/308:12:533
171732650,5sleep04667-1kworker/u9:011:42:550
2595996457,4cyclictest25-21ksoftirqd/111:17:481
70962630,2sleep00-21swapper/009:32:470
3842630,2sleep10-21swapper/113:37:351
2602996349,7cyclictest33-21ksoftirqd/210:57:482
174162620,3sleep30-21swapper/311:10:423
2595996153,4cyclictest25-21ksoftirqd/112:52:511
224262570,2sleep20-21swapper/210:42:552
21762564,40sleep00-21swapper/008:13:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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