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2026-04-24 - 09:09
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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 20 highest latencies:
System rackbslot6.osadl.org (updated Fri Apr 24, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2657121820,4sleep33070599cyclictest22:58:403
2871721470,2sleep30-21swapper/320:18:353
256202690,5sleep125622-21timerandwakeup22:23:531
3012670,2sleep00-21swapper/023:03:550
305222614,10sleep20-21swapper/220:22:382
106891560,1ptp4l401ktimersoftd/323:58:503
106891560,1ptp4l401ktimersoftd/323:58:503
302472554,40sleep00-21swapper/020:19:010
106891550,1ptp4l401ktimersoftd/323:44:033
304712534,38sleep10-21swapper/120:21:571
30705995224,7cyclictest41-21ksoftirqd/322:33:373
106891520,1ptp4l401ktimersoftd/301:05:553
30705995130,3cyclictest41-21ksoftirqd/322:28:493
30705995022,10cyclictest41-21ksoftirqd/301:33:283
28582500,2sleep20-21swapper/223:07:462
30705994920,10cyclictest41-21ksoftirqd/322:43:243
43962480,1sleep30-21swapper/301:19:403
30705994833,3cyclictest41-21ksoftirqd/300:28:443
30705994818,7cyclictest41-21ksoftirqd/323:40:503
30705994718,8cyclictest41-21ksoftirqd/321:18:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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