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2026-06-04 - 02:13
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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 rack4slot1.osadl.org (updated Thu Jun 04, 2026 00:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
850821300,3sleep20-21swapper/219:10:372
850821300,3sleep20-21swapper/219:10:372
767321190,11chrt12-21ksoftirqd/019:10:210
767321190,11chrt12-21ksoftirqd/019:10:210
842821130,2sleep18505-21switchtime19:10:361
842821130,2sleep18505-21switchtime19:10:361
1322221020,3sleep30-21swapper/323:17:563
2682521010,2sleep20-21swapper/220:30:162
2682521010,2sleep20-21swapper/220:30:162
1140221010,3sleep00-21swapper/000:35:260
1140221010,3sleep00-21swapper/000:35:260
1140221010,3sleep00-21swapper/000:35:260
932021000,2sleep20-21swapper/223:14:142
932021000,2sleep20-21swapper/223:14:142
9612930,3sleep30-21swapper/320:55:133
9612930,3sleep30-21swapper/320:55:133
77192910,4sleep30-21swapper/319:10:253
77192910,4sleep30-21swapper/319:10:253
252922910,3sleep30-21swapper/322:15:273
124212860,2sleep00-21swapper/021:20:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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