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2026-03-19 - 22:15
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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 highest latencies:
System rack4slot1.osadl.org (updated Thu Mar 19, 2026 07:26:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2300324400,1sleep227-21ksoftirqd/207:11:582
2300324400,1sleep227-21ksoftirqd/207:11:582
246472950,1sleep012-21ksoftirqd/007:16:550
246472950,1sleep012-21ksoftirqd/007:16:550
230242490,3sleep021539-21ls07:12:010
230242490,3sleep021539-21ls07:12:010
230222371,29sleep30-21swapper/307:12:003
230222371,29sleep30-21swapper/307:12:003
228902354,24sleep121539-21ls07:11:581
228902354,24sleep121539-21ls07:11:581
2307499281,2cyclictest0-21swapper/107:16:541
2307499281,2cyclictest0-21swapper/107:16:541
2307599263,5cyclictest27-21ksoftirqd/207:21:532
2307599263,5cyclictest27-21ksoftirqd/207:21:532
2307599263,5cyclictest27-21ksoftirqd/207:21:532
23075992615,9cyclictest73-21kswapd007:16:542
23075992615,9cyclictest73-21kswapd007:16:542
2307399191,10cyclictest25861-21cut07:21:420
2307399191,10cyclictest25861-21cut07:21:420
2307399191,10cyclictest25861-21cut07:21:420
23076991811,5cyclictest0-21swapper/307:16:553
23076991811,5cyclictest0-21swapper/307:16:553
2307499171,13cyclictest26871-21grep07:21:551
2307499171,13cyclictest26871-21grep07:21:551
2307499171,13cyclictest26871-21grep07:21:551
2307699131,10cyclictest26304-21chrt07:21:483
2307699131,10cyclictest26304-21chrt07:21:483
2307699131,10cyclictest26304-21chrt07:21:483
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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