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2025-11-02 - 12:44
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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 rack0slot1.osadl.org (updated Sun Nov 02, 2025 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1117027064,3sleep40-21swapper/419:04:034
297072670,2sleep71175999cyclictest22:39:147
297072670,2sleep71175999cyclictest22:39:147
245422620,0sleep00-21swapper/000:34:020
205042610,0sleep559-21rcuc/522:53:145
898125422,17sleep70-21swapper/719:00:137
1087124522,8sleep20-21swapper/219:03:452
1045224324,4sleep60-21swapper/619:02:296
899223724,7sleep40-21swapper/419:00:184
1060923725,7sleep30-21swapper/319:03:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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